gcc-4.0.2: tweak atmel patch a bit

1 files changed, 0 insertions, 21336 deletions

diff --git a/packages/gcc/gcc-4.0.2/gcc-4.0.2-atmel.0.99.2.patch b/packages/gcc/gcc-4.0.2/gcc-4.0.2-atmel.0.99.2.patch
index 4e8993c7c2..273846f565 100644
--- a/packages/gcc/gcc-4.0.2/gcc-4.0.2-atmel.0.99.2.patch
+++ b/packages/gcc/gcc-4.0.2/gcc-4.0.2-atmel.0.99.2.patch
@@ -20932,21342 +20932,6 @@ diff -Nrup --ignore-space-change gcc-4.0.2/libstdc++-v3/acinclude.m4 gcc-4.0.2-a
    # Find platform-specific directories containing configuration info.
    # Also possibly modify flags used elsewhere, as needed by the platform.
    GLIBCXX_CHECK_HOST
-diff -Nrup --ignore-space-change gcc-4.0.2/libstdc++-v3/aclocal.m4 gcc-4.0.2-atmel.0.99.2/libstdc++-v3/aclocal.m4
---- gcc-4.0.2/libstdc++-v3/aclocal.m4	2005-02-01 07:54:48.000000000 +0100
-+++ gcc-4.0.2-atmel.0.99.2/libstdc++-v3/aclocal.m4	2006-03-28 10:54:09.000000000 +0200
-@@ -1,7 +1,7 @@
--# generated automatically by aclocal 1.9.3 -*- Autoconf -*-
-+# generated automatically by aclocal 1.9.6 -*- Autoconf -*-
- 
--# Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004
--# Free Software Foundation, Inc.
-+# Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
-+# 2005  Free Software Foundation, Inc.
- # This file is free software; the Free Software Foundation
- # gives unlimited permission to copy and/or distribute it,
- # with or without modifications, as long as this notice is preserved.
-@@ -11,23 +11,11 @@
- # even the implied warranty of MERCHANTABILITY or FITNESS FOR A
- # PARTICULAR PURPOSE.
- 
--#                                                        -*- Autoconf -*-
--# Copyright (C) 2002, 2003  Free Software Foundation, Inc.
--# Generated from amversion.in; do not edit by hand.
--
--# This program is free software; you can redistribute it and/or modify
--# it under the terms of the GNU General Public License as published by
--# the Free Software Foundation; either version 2, or (at your option)
--# any later version.
--
--# This program is distributed in the hope that it will be useful,
--# but WITHOUT ANY WARRANTY; without even the implied warranty of
--# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
--# GNU General Public License for more details.
--
--# You should have received a copy of the GNU General Public License
--# along with this program; if not, write to the Free Software
--# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
-+# Copyright (C) 2002, 2003, 2005  Free Software Foundation, Inc.
-+#
-+# This file is free software; the Free Software Foundation
-+# gives unlimited permission to copy and/or distribute it,
-+# with or without modifications, as long as this notice is preserved.
- 
- # AM_AUTOMAKE_VERSION(VERSION)
- # ----------------------------
-@@ -40,26 +28,15 @@ AC_DEFUN([AM_AUTOMAKE_VERSION], [am__api
- # Call AM_AUTOMAKE_VERSION so it can be traced.
- # This function is AC_REQUIREd by AC_INIT_AUTOMAKE.
- AC_DEFUN([AM_SET_CURRENT_AUTOMAKE_VERSION],
--	 [AM_AUTOMAKE_VERSION([1.9.3])])
--
--# AM_AUX_DIR_EXPAND
-+	 [AM_AUTOMAKE_VERSION([1.9.6])])
- 
--# Copyright (C) 2001, 2003 Free Software Foundation, Inc.
-+# AM_AUX_DIR_EXPAND                                         -*- Autoconf -*-
- 
--# This program is free software; you can redistribute it and/or modify
--# it under the terms of the GNU General Public License as published by
--# the Free Software Foundation; either version 2, or (at your option)
--# any later version.
--
--# This program is distributed in the hope that it will be useful,
--# but WITHOUT ANY WARRANTY; without even the implied warranty of
--# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
--# GNU General Public License for more details.
--
--# You should have received a copy of the GNU General Public License
--# along with this program; if not, write to the Free Software
--# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
--# 02111-1307, USA.
-+# Copyright (C) 2001, 2003, 2005  Free Software Foundation, Inc.
-+#
-+# This file is free software; the Free Software Foundation
-+# gives unlimited permission to copy and/or distribute it,
-+# with or without modifications, as long as this notice is preserved.
- 
- # For projects using AC_CONFIG_AUX_DIR([foo]), Autoconf sets
- # $ac_aux_dir to `$srcdir/foo'.  In other projects, it is set to
-@@ -108,24 +85,14 @@ am_aux_dir=`cd $ac_aux_dir && pwd`
- 
- # AM_CONDITIONAL                                              -*- Autoconf -*-
- 
--# Copyright (C) 1997, 2000, 2001, 2003, 2004 Free Software Foundation, Inc.
--
--# This program is free software; you can redistribute it and/or modify
--# it under the terms of the GNU General Public License as published by
--# the Free Software Foundation; either version 2, or (at your option)
--# any later version.
--
--# This program is distributed in the hope that it will be useful,
--# but WITHOUT ANY WARRANTY; without even the implied warranty of
--# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
--# GNU General Public License for more details.
--
--# You should have received a copy of the GNU General Public License
--# along with this program; if not, write to the Free Software
--# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
--# 02111-1307, USA.
-+# Copyright (C) 1997, 2000, 2001, 2003, 2004, 2005
-+# Free Software Foundation, Inc.
-+#
-+# This file is free software; the Free Software Foundation
-+# gives unlimited permission to copy and/or distribute it,
-+# with or without modifications, as long as this notice is preserved.
- 
--# serial 6
-+# serial 7
- 
- # AM_CONDITIONAL(NAME, SHELL-CONDITION)
- # -------------------------------------
-@@ -151,28 +118,17 @@ fi])])
- 
- # Do all the work for Automake.                            -*- Autoconf -*-
- 
--# This macro actually does too much some checks are only needed if
--# your package does certain things.  But this isn't really a big deal.
--
--# Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004
-+# Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005
- # Free Software Foundation, Inc.
-+#
-+# This file is free software; the Free Software Foundation
-+# gives unlimited permission to copy and/or distribute it,
-+# with or without modifications, as long as this notice is preserved.
- 
--# This program is free software; you can redistribute it and/or modify
--# it under the terms of the GNU General Public License as published by
--# the Free Software Foundation; either version 2, or (at your option)
--# any later version.
--
--# This program is distributed in the hope that it will be useful,
--# but WITHOUT ANY WARRANTY; without even the implied warranty of
--# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
--# GNU General Public License for more details.
--
--# You should have received a copy of the GNU General Public License
--# along with this program; if not, write to the Free Software
--# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
--# 02111-1307, USA.
-+# serial 12
- 
--# serial 11
-+# This macro actually does too much.  Some checks are only needed if
-+# your package does certain things.  But this isn't really a big deal.
- 
- # AM_INIT_AUTOMAKE(PACKAGE, VERSION, [NO-DEFINE])
- # AM_INIT_AUTOMAKE([OPTIONS])
-@@ -274,51 +230,27 @@ for _am_header in $config_headers :; do
- done
- echo "timestamp for $1" >`AS_DIRNAME([$1])`/stamp-h[]$_am_stamp_count])
- 
-+# Copyright (C) 2001, 2003, 2005  Free Software Foundation, Inc.
-+#
-+# This file is free software; the Free Software Foundation
-+# gives unlimited permission to copy and/or distribute it,
-+# with or without modifications, as long as this notice is preserved.
-+
- # AM_PROG_INSTALL_SH
- # ------------------
- # Define $install_sh.
--
--# Copyright (C) 2001, 2003 Free Software Foundation, Inc.
--
--# This program is free software; you can redistribute it and/or modify
--# it under the terms of the GNU General Public License as published by
--# the Free Software Foundation; either version 2, or (at your option)
--# any later version.
--
--# This program is distributed in the hope that it will be useful,
--# but WITHOUT ANY WARRANTY; without even the implied warranty of
--# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
--# GNU General Public License for more details.
--
--# You should have received a copy of the GNU General Public License
--# along with this program; if not, write to the Free Software
--# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
--# 02111-1307, USA.
--
- AC_DEFUN([AM_PROG_INSTALL_SH],
- [AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl
- install_sh=${install_sh-"$am_aux_dir/install-sh"}
- AC_SUBST(install_sh)])
- 
--#                                                          -*- Autoconf -*-
--# Copyright (C) 2003  Free Software Foundation, Inc.
--
--# This program is free software; you can redistribute it and/or modify
--# it under the terms of the GNU General Public License as published by
--# the Free Software Foundation; either version 2, or (at your option)
--# any later version.
--
--# This program is distributed in the hope that it will be useful,
--# but WITHOUT ANY WARRANTY; without even the implied warranty of
--# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
--# GNU General Public License for more details.
--
--# You should have received a copy of the GNU General Public License
--# along with this program; if not, write to the Free Software
--# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
--# 02111-1307, USA.
-+# Copyright (C) 2003, 2005  Free Software Foundation, Inc.
-+#
-+# This file is free software; the Free Software Foundation
-+# gives unlimited permission to copy and/or distribute it,
-+# with or without modifications, as long as this notice is preserved.
- 
--# serial 1
-+# serial 2
- 
- # Check whether the underlying file-system supports filenames
- # with a leading dot.  For instance MS-DOS doesn't.
-@@ -333,28 +265,17 @@ fi
- rmdir .tst 2>/dev/null
- AC_SUBST([am__leading_dot])])
- 
--# Add --enable-maintainer-mode option to configure.
-+# Add --enable-maintainer-mode option to configure.         -*- Autoconf -*-
- # From Jim Meyering
- 
--# Copyright (C) 1996, 1998, 2000, 2001, 2002, 2003, 2004
-+# Copyright (C) 1996, 1998, 2000, 2001, 2002, 2003, 2004, 2005
- # Free Software Foundation, Inc.
-+#
-+# This file is free software; the Free Software Foundation
-+# gives unlimited permission to copy and/or distribute it,
-+# with or without modifications, as long as this notice is preserved.
- 
--# This program is free software; you can redistribute it and/or modify
--# it under the terms of the GNU General Public License as published by
--# the Free Software Foundation; either version 2, or (at your option)
--# any later version.
--
--# This program is distributed in the hope that it will be useful,
--# but WITHOUT ANY WARRANTY; without even the implied warranty of
--# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
--# GNU General Public License for more details.
--
--# You should have received a copy of the GNU General Public License
--# along with this program; if not, write to the Free Software
--# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
--# 02111-1307, USA.
--
--# serial 3
-+# serial 4
- 
- AC_DEFUN([AM_MAINTAINER_MODE],
- [AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
-@@ -373,27 +294,16 @@ AC_DEFUN([AM_MAINTAINER_MODE],
- 
- AU_DEFUN([jm_MAINTAINER_MODE], [AM_MAINTAINER_MODE])
- 
--#  -*- Autoconf -*-
--
--
--# Copyright (C) 1997, 1999, 2000, 2001, 2003 Free Software Foundation, Inc.
-+# Fake the existence of programs that GNU maintainers use.  -*- Autoconf -*-
- 
--# This program is free software; you can redistribute it and/or modify
--# it under the terms of the GNU General Public License as published by
--# the Free Software Foundation; either version 2, or (at your option)
--# any later version.
--
--# This program is distributed in the hope that it will be useful,
--# but WITHOUT ANY WARRANTY; without even the implied warranty of
--# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
--# GNU General Public License for more details.
--
--# You should have received a copy of the GNU General Public License
--# along with this program; if not, write to the Free Software
--# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
--# 02111-1307, USA.
-+# Copyright (C) 1997, 1999, 2000, 2001, 2003, 2005
-+# Free Software Foundation, Inc.
-+#
-+# This file is free software; the Free Software Foundation
-+# gives unlimited permission to copy and/or distribute it,
-+# with or without modifications, as long as this notice is preserved.
- 
--# serial 3
-+# serial 4
- 
- # AM_MISSING_PROG(NAME, PROGRAM)
- # ------------------------------
-@@ -419,27 +329,16 @@ else
- fi
- ])
- 
-+# Copyright (C) 2003, 2004, 2005  Free Software Foundation, Inc.
-+#
-+# This file is free software; the Free Software Foundation
-+# gives unlimited permission to copy and/or distribute it,
-+# with or without modifications, as long as this notice is preserved.
-+
- # AM_PROG_MKDIR_P
- # ---------------
- # Check whether `mkdir -p' is supported, fallback to mkinstalldirs otherwise.
--
--# Copyright (C) 2003, 2004 Free Software Foundation, Inc.
--
--# This program is free software; you can redistribute it and/or modify
--# it under the terms of the GNU General Public License as published by
--# the Free Software Foundation; either version 2, or (at your option)
--# any later version.
--
--# This program is distributed in the hope that it will be useful,
--# but WITHOUT ANY WARRANTY; without even the implied warranty of
--# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
--# GNU General Public License for more details.
--
--# You should have received a copy of the GNU General Public License
--# along with this program; if not, write to the Free Software
--# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
--# 02111-1307, USA.
--
-+#
- # Automake 1.8 used `mkdir -m 0755 -p --' to ensure that directories
- # created by `make install' are always world readable, even if the
- # installer happens to have an overly restrictive umask (e.g. 077).
-@@ -493,25 +392,14 @@ else
- fi
- AC_SUBST([mkdir_p])])
- 
--# Copyright (C) 1998, 1999, 2000, 2001, 2003, 2004
-+# Copyright (C) 1998, 1999, 2000, 2001, 2003, 2004, 2005
- # Free Software Foundation, Inc.
-+#
-+# This file is free software; the Free Software Foundation
-+# gives unlimited permission to copy and/or distribute it,
-+# with or without modifications, as long as this notice is preserved.
- 
--# This program is free software; you can redistribute it and/or modify
--# it under the terms of the GNU General Public License as published by
--# the Free Software Foundation; either version 2, or (at your option)
--# any later version.
--
--# This program is distributed in the hope that it will be useful,
--# but WITHOUT ANY WARRANTY; without even the implied warranty of
--# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
--# GNU General Public License for more details.
--
--# You should have received a copy of the GNU General Public License
--# along with this program; if not, write to the Free Software
--# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
--# 02111-1307, USA.
--
--# serial 4
-+# serial 5
- 
- # AM_ENABLE_MULTILIB([MAKEFILE], [REL-TO-TOP-SRCDIR])
- # ---------------------------------------------------
-@@ -564,24 +452,13 @@ CC="$CC"])])dnl
- 
- # Helper functions for option handling.                    -*- Autoconf -*-
- 
--# Copyright (C) 2001, 2002, 2003  Free Software Foundation, Inc.
--
--# This program is free software; you can redistribute it and/or modify
--# it under the terms of the GNU General Public License as published by
--# the Free Software Foundation; either version 2, or (at your option)
--# any later version.
--
--# This program is distributed in the hope that it will be useful,
--# but WITHOUT ANY WARRANTY; without even the implied warranty of
--# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
--# GNU General Public License for more details.
--
--# You should have received a copy of the GNU General Public License
--# along with this program; if not, write to the Free Software
--# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
--# 02111-1307, USA.
-+# Copyright (C) 2001, 2002, 2003, 2005  Free Software Foundation, Inc.
-+#
-+# This file is free software; the Free Software Foundation
-+# gives unlimited permission to copy and/or distribute it,
-+# with or without modifications, as long as this notice is preserved.
- 
--# serial 2
-+# serial 3
- 
- # _AM_MANGLE_OPTION(NAME)
- # -----------------------
-@@ -606,28 +483,16 @@ AC_DEFUN([_AM_SET_OPTIONS],
- AC_DEFUN([_AM_IF_OPTION],
- [m4_ifset(_AM_MANGLE_OPTION([$1]), [$2], [$3])])
- 
--#
--# Check to make sure that the build environment is sane.
--#
--
--# Copyright (C) 1996, 1997, 2000, 2001, 2003 Free Software Foundation, Inc.
-+# Check to make sure that the build environment is sane.    -*- Autoconf -*-
- 
--# This program is free software; you can redistribute it and/or modify
--# it under the terms of the GNU General Public License as published by
--# the Free Software Foundation; either version 2, or (at your option)
--# any later version.
--
--# This program is distributed in the hope that it will be useful,
--# but WITHOUT ANY WARRANTY; without even the implied warranty of
--# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
--# GNU General Public License for more details.
--
--# You should have received a copy of the GNU General Public License
--# along with this program; if not, write to the Free Software
--# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
--# 02111-1307, USA.
-+# Copyright (C) 1996, 1997, 2000, 2001, 2003, 2005
-+# Free Software Foundation, Inc.
-+#
-+# This file is free software; the Free Software Foundation
-+# gives unlimited permission to copy and/or distribute it,
-+# with or without modifications, as long as this notice is preserved.
- 
--# serial 3
-+# serial 4
- 
- # AM_SANITY_CHECK
- # ---------------
-@@ -670,25 +535,14 @@ Check your system clock])
- fi
- AC_MSG_RESULT(yes)])
- 
--# AM_PROG_INSTALL_STRIP
--
--# Copyright (C) 2001, 2003 Free Software Foundation, Inc.
--
--# This program is free software; you can redistribute it and/or modify
--# it under the terms of the GNU General Public License as published by
--# the Free Software Foundation; either version 2, or (at your option)
--# any later version.
--
--# This program is distributed in the hope that it will be useful,
--# but WITHOUT ANY WARRANTY; without even the implied warranty of
--# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
--# GNU General Public License for more details.
--
--# You should have received a copy of the GNU General Public License
--# along with this program; if not, write to the Free Software
--# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
--# 02111-1307, USA.
-+# Copyright (C) 2001, 2003, 2005  Free Software Foundation, Inc.
-+#
-+# This file is free software; the Free Software Foundation
-+# gives unlimited permission to copy and/or distribute it,
-+# with or without modifications, as long as this notice is preserved.
- 
-+# AM_PROG_INSTALL_STRIP
-+# ---------------------
- # One issue with vendor `install' (even GNU) is that you can't
- # specify the program used to strip binaries.  This is especially
- # annoying in cross-compiling environments, where the build's strip
-@@ -711,25 +565,13 @@ AC_SUBST([INSTALL_STRIP_PROGRAM])])
- 
- # Check how to create a tarball.                            -*- Autoconf -*-
- 
--# Copyright (C) 2004  Free Software Foundation, Inc.
--
--# This program is free software; you can redistribute it and/or modify
--# it under the terms of the GNU General Public License as published by
--# the Free Software Foundation; either version 2, or (at your option)
--# any later version.
--
--# This program is distributed in the hope that it will be useful,
--# but WITHOUT ANY WARRANTY; without even the implied warranty of
--# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
--# GNU General Public License for more details.
--
--# You should have received a copy of the GNU General Public License
--# along with this program; if not, write to the Free Software
--# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
--# 02111-1307, USA.
--
--# serial 1
-+# Copyright (C) 2004, 2005  Free Software Foundation, Inc.
-+#
-+# This file is free software; the Free Software Foundation
-+# gives unlimited permission to copy and/or distribute it,
-+# with or without modifications, as long as this notice is preserved.
- 
-+# serial 2
- 
- # _AM_PROG_TAR(FORMAT)
- # --------------------
-diff -Nrup --ignore-space-change gcc-4.0.2/libstdc++-v3/configure gcc-4.0.2-atmel.0.99.2/libstdc++-v3/configure
---- gcc-4.0.2/libstdc++-v3/configure	2005-08-26 23:17:34.000000000 +0200
-+++ gcc-4.0.2-atmel.0.99.2/libstdc++-v3/configure	2006-03-28 10:54:09.000000000 +0200
-@@ -309,7 +309,7 @@ ac_includes_default="\
- # include <unistd.h>
- #endif"
- 
--ac_subst_vars='SHELL PATH_SEPARATOR PACKAGE_NAME PACKAGE_TARNAME PACKAGE_VERSION PACKAGE_STRING PACKAGE_BUGREPORT exec_prefix prefix program_transform_name bindir sbindir libexecdir datadir sysconfdir sharedstatedir localstatedir libdir includedir oldincludedir infodir mandir build_alias host_alias target_alias DEFS ECHO_C ECHO_N ECHO_T LIBS libtool_VERSION multi_basedir build build_cpu build_vendor build_os host host_cpu host_vendor host_os target target_cpu target_vendor target_os INSTALL_PROGRAM INSTALL_SCRIPT INSTALL_DATA CYGPATH_W PACKAGE VERSION ACLOCAL AUTOCONF AUTOMAKE AUTOHEADER MAKEINFO install_sh STRIP ac_ct_STRIP INSTALL_STRIP_PROGRAM mkdir_p AWK SET_MAKE am__leading_dot AMTAR am__tar am__untar glibcxx_builddir glibcxx_srcdir toplevel_srcdir CC ac_ct_CC EXEEXT OBJEXT CXX ac_ct_CXX CFLAGS CXXFLAGS LN_S AS ac_ct_AS AR ac_ct_AR RANLIB ac_ct_RANLIB MAINTAINER_MODE_TRUE MAINTAINER_MODE_FALSE MAINT LIBTOOL CXXCPP CPPFLAGS enable_shared enable_static GLIBCXX_HOSTED_TRUE GLIBCXX_HOSTED_FALSE GLIBCXX_BUILD_PCH_TRUE GLIBCXX_BUILD_PCH_FALSE glibcxx_PCHFLAGS CSTDIO_H BASIC_FILE_H BASIC_FILE_CC CPP EGREP check_msgfmt glibcxx_MOFILES glibcxx_POFILES glibcxx_localedir USE_NLS CLOCALE_H CMESSAGES_H CCODECVT_CC CCOLLATE_CC CCTYPE_CC CMESSAGES_CC CMONEY_CC CNUMERIC_CC CTIME_H CTIME_CC CLOCALE_CC CLOCALE_INTERNAL_H ALLOCATOR_H ALLOCATOR_NAME C_INCLUDE_DIR GLIBCXX_C_HEADERS_C_TRUE GLIBCXX_C_HEADERS_C_FALSE GLIBCXX_C_HEADERS_C_STD_TRUE GLIBCXX_C_HEADERS_C_STD_FALSE GLIBCXX_C_HEADERS_COMPATIBILITY_TRUE GLIBCXX_C_HEADERS_COMPATIBILITY_FALSE glibcxx_thread_h DEBUG_FLAGS GLIBCXX_BUILD_DEBUG_TRUE GLIBCXX_BUILD_DEBUG_FALSE EXTRA_CXX_FLAGS WERROR SECTION_FLAGS SECTION_LDFLAGS OPT_LDFLAGS LIBMATHOBJS LIBICONV SYMVER_MAP port_specific_symbol_files GLIBCXX_BUILD_VERSIONED_SHLIB_TRUE GLIBCXX_BUILD_VERSIONED_SHLIB_FALSE baseline_dir GLIBCXX_TEST_WCHAR_T_TRUE GLIBCXX_TEST_WCHAR_T_FALSE GLIBCXX_TEST_THREAD_TRUE GLIBCXX_TEST_THREAD_FALSE ATOMICITY_SRCDIR ATOMIC_WORD_SRCDIR ABI_TWEAKS_SRCDIR OS_INC_SRCDIR glibcxx_prefixdir gxx_include_dir glibcxx_toolexecdir glibcxx_toolexeclibdir GLIBCXX_INCLUDES TOPLEVEL_INCLUDES OPTIMIZE_CXXFLAGS WARN_FLAGS LIBSUPCXX_PICFLAGS LIBOBJS LTLIBOBJS'
-+ac_subst_vars='SHELL PATH_SEPARATOR PACKAGE_NAME PACKAGE_TARNAME PACKAGE_VERSION PACKAGE_STRING PACKAGE_BUGREPORT exec_prefix prefix program_transform_name bindir sbindir libexecdir datadir sysconfdir sharedstatedir localstatedir libdir includedir oldincludedir infodir mandir build_alias host_alias target_alias DEFS ECHO_C ECHO_N ECHO_T LIBS libtool_VERSION multi_basedir build build_cpu build_vendor build_os host host_cpu host_vendor host_os target target_cpu target_vendor target_os INSTALL_PROGRAM INSTALL_SCRIPT INSTALL_DATA PACKAGE VERSION ACLOCAL AUTOCONF AUTOMAKE AUTOHEADER MAKEINFO AMTAR install_sh STRIP ac_ct_STRIP INSTALL_STRIP_PROGRAM AWK SET_MAKE glibcxx_builddir glibcxx_srcdir toplevel_srcdir CC ac_ct_CC EXEEXT OBJEXT CXX ac_ct_CXX CFLAGS CXXFLAGS LN_S AS ac_ct_AS AR ac_ct_AR RANLIB ac_ct_RANLIB MAINTAINER_MODE_TRUE MAINTAINER_MODE_FALSE MAINT CPP CPPFLAGS EGREP LIBTOOL CXXCPP enable_shared enable_static GLIBCXX_HOSTED_TRUE GLIBCXX_HOSTED_FALSE GLIBCXX_BUILD_PCH_TRUE GLIBCXX_BUILD_PCH_FALSE glibcxx_PCHFLAGS CSTDIO_H BASIC_FILE_H BASIC_FILE_CC check_msgfmt glibcxx_MOFILES glibcxx_POFILES glibcxx_localedir USE_NLS CLOCALE_H CMESSAGES_H CCODECVT_CC CCOLLATE_CC CCTYPE_CC CMESSAGES_CC CMONEY_CC CNUMERIC_CC CTIME_H CTIME_CC CLOCALE_CC CLOCALE_INTERNAL_H ALLOCATOR_H ALLOCATOR_NAME C_INCLUDE_DIR GLIBCXX_C_HEADERS_C_TRUE GLIBCXX_C_HEADERS_C_FALSE GLIBCXX_C_HEADERS_C_STD_TRUE GLIBCXX_C_HEADERS_C_STD_FALSE GLIBCXX_C_HEADERS_COMPATIBILITY_TRUE GLIBCXX_C_HEADERS_COMPATIBILITY_FALSE glibcxx_thread_h DEBUG_FLAGS GLIBCXX_BUILD_DEBUG_TRUE GLIBCXX_BUILD_DEBUG_FALSE EXTRA_CXX_FLAGS WERROR SECTION_FLAGS SECTION_LDFLAGS OPT_LDFLAGS LIBMATHOBJS LIBICONV SYMVER_MAP port_specific_symbol_files GLIBCXX_BUILD_VERSIONED_SHLIB_TRUE GLIBCXX_BUILD_VERSIONED_SHLIB_FALSE baseline_dir GLIBCXX_TEST_WCHAR_T_TRUE GLIBCXX_TEST_WCHAR_T_FALSE GLIBCXX_TEST_THREAD_TRUE GLIBCXX_TEST_THREAD_FALSE ATOMICITY_SRCDIR ATOMIC_WORD_SRCDIR ABI_TWEAKS_SRCDIR OS_INC_SRCDIR glibcxx_prefixdir gxx_include_dir glibcxx_toolexecdir glibcxx_toolexeclibdir GLIBCXX_INCLUDES TOPLEVEL_INCLUDES OPTIMIZE_CXXFLAGS WARN_FLAGS LIBSUPCXX_PICFLAGS LIBOBJS LTLIBOBJS'
- ac_subst_files=''
- 
- # Initialize some variables set by options.
-@@ -750,18 +750,18 @@ ac_env_target_alias_set=${target_alias+s
- ac_env_target_alias_value=$target_alias
- ac_cv_env_target_alias_set=${target_alias+set}
- ac_cv_env_target_alias_value=$target_alias
--ac_env_CXXCPP_set=${CXXCPP+set}
--ac_env_CXXCPP_value=$CXXCPP
--ac_cv_env_CXXCPP_set=${CXXCPP+set}
--ac_cv_env_CXXCPP_value=$CXXCPP
--ac_env_CPPFLAGS_set=${CPPFLAGS+set}
--ac_env_CPPFLAGS_value=$CPPFLAGS
--ac_cv_env_CPPFLAGS_set=${CPPFLAGS+set}
--ac_cv_env_CPPFLAGS_value=$CPPFLAGS
- ac_env_CPP_set=${CPP+set}
- ac_env_CPP_value=$CPP
- ac_cv_env_CPP_set=${CPP+set}
- ac_cv_env_CPP_value=$CPP
-+ac_env_CPPFLAGS_set=${CPPFLAGS+set}
-+ac_env_CPPFLAGS_value=$CPPFLAGS
-+ac_cv_env_CPPFLAGS_set=${CPPFLAGS+set}
-+ac_cv_env_CPPFLAGS_value=$CPPFLAGS
-+ac_env_CXXCPP_set=${CXXCPP+set}
-+ac_env_CXXCPP_value=$CXXCPP
-+ac_cv_env_CXXCPP_set=${CXXCPP+set}
-+ac_cv_env_CXXCPP_value=$CXXCPP
- 
- #
- # Report the --help message.
-@@ -914,8 +914,8 @@ Some influential environment variables:
-               headers in a nonstandard directory <include dir>
-   CXX         C++ compiler command
-   CXXFLAGS    C++ compiler flags
--  CXXCPP      C++ preprocessor
-   CPP         C preprocessor
-+  CXXCPP      C++ preprocessor
- 
- Use these variables to override the choices made by `configure' or to help
- it to find libraries and programs with nonstandard names/locations.
-@@ -1558,7 +1558,7 @@ fi
- #  no-dependencies:  turns off auto dependency generation (just for now)
- #  -Wall:  turns on all automake warnings...
- #  -Wno-portability:  ...except this one, since GNU make is now required.
--am__api_version="1.9"
-+am__api_version="1.6"
- # Find a good install program.  We prefer a C program (faster),
- # so one script is as good as another.  But avoid the broken or
- # incompatible versions:
-@@ -1696,6 +1696,7 @@ _ACEOF
- program_transform_name=`echo $program_transform_name | sed -f conftest.sed`
- rm conftest.sed
- 
-+
- # expand $ac_aux_dir to an absolute path
- am_aux_dir=`cd $ac_aux_dir && pwd`
- 
-@@ -1709,39 +1710,6 @@ else
- echo "$as_me: WARNING: \`missing' script is too old or missing" >&2;}
- fi
- 
--if mkdir -p --version . >/dev/null 2>&1 && test ! -d ./--version; then
--  # We used to keeping the `.' as first argument, in order to
--  # allow $(mkdir_p) to be used without argument.  As in
--  #   $(mkdir_p) $(somedir)
--  # where $(somedir) is conditionally defined.  However this is wrong
--  # for two reasons:
--  #  1. if the package is installed by a user who cannot write `.'
--  #     make install will fail,
--  #  2. the above comment should most certainly read
--  #     $(mkdir_p) $(DESTDIR)$(somedir)
--  #     so it does not work when $(somedir) is undefined and
--  #     $(DESTDIR) is not.
--  #  To support the latter case, we have to write
--  #     test -z "$(somedir)" || $(mkdir_p) $(DESTDIR)$(somedir),
--  #  so the `.' trick is pointless.
--  mkdir_p='mkdir -p --'
--else
--  # On NextStep and OpenStep, the `mkdir' command does not
--  # recognize any option.  It will interpret all options as
--  # directories to create, and then abort because `.' already
--  # exists.
--  for d in ./-p ./--version;
--  do
--    test -d $d && rmdir $d
--  done
--  # $(mkinstalldirs) is defined by Automake if mkinstalldirs exists.
--  if test -f "$ac_aux_dir/mkinstalldirs"; then
--    mkdir_p='$(mkinstalldirs)'
--  else
--    mkdir_p='$(install_sh) -d'
--  fi
--fi
--
- for ac_prog in gawk mawk nawk awk
- do
-   # Extract the first word of "$ac_prog", so it can be a program name with args.
-@@ -1811,16 +1779,7 @@ echo "${ECHO_T}no" >&6
-   SET_MAKE="MAKE=${MAKE-make}"
- fi
- 
--rm -rf .tst 2>/dev/null
--mkdir .tst 2>/dev/null
--if test -d .tst; then
--  am__leading_dot=.
--else
--  am__leading_dot=_
--fi
--rmdir .tst 2>/dev/null
--
--# test to see if srcdir already configured
-+ # test to see if srcdir already configured
- if test "`cd $srcdir && pwd`" != "`pwd`" &&
-    test -f $srcdir/config.status; then
-   { { echo "$as_me:$LINENO: error: source directory already configured; run \"make distclean\" there first" >&5
-@@ -1828,19 +1787,9 @@ echo "$as_me: error: source directory al
-    { (exit 1); exit 1; }; }
- fi
- 
--# test whether we have cygpath
--if test -z "$CYGPATH_W"; then
--  if (cygpath --version) >/dev/null 2>/dev/null; then
--    CYGPATH_W='cygpath -w'
--  else
--    CYGPATH_W=echo
--  fi
--fi
--
--
- # Define the identity of the package.
-- PACKAGE='libstdc++'
-- VERSION='version-unused'
-+ PACKAGE=libstdc++
-+ VERSION=version-unused
- 
- 
- # Some tools Automake needs.
-@@ -1859,6 +1808,9 @@ AUTOHEADER=${AUTOHEADER-"${am_missing_ru
- 
- MAKEINFO=${MAKEINFO-"${am_missing_run}makeinfo"}
- 
-+
-+AMTAR=${AMTAR-"${am_missing_run}tar"}
-+
- install_sh=${install_sh-"$am_aux_dir/install-sh"}
- 
- # Installed binaries are usually stripped using `strip' when the user
-@@ -1951,19 +1903,263 @@ INSTALL_STRIP_PROGRAM="\${SHELL} \$(inst
- 
- # We need awk for the "check" target.  The system "awk" is bad on
- # some platforms.
--# Always define AMTAR for backward compatibility.
- 
--AMTAR=${AMTAR-"${am_missing_run}tar"}
- 
--am__tar='${AMTAR} chof - "$$tardir"'; am__untar='${AMTAR} xf -'
- 
- 
-+# Runs configure.host, finds CC, CXX, and assorted other critical bits.  Sets
-+# up critical shell variables.
-+
-+ac_ext=c
-+ac_cpp='$CPP $CPPFLAGS'
-+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_c_compiler_gnu
-+echo "$as_me:$LINENO: checking how to run the C preprocessor" >&5
-+echo $ECHO_N "checking how to run the C preprocessor... $ECHO_C" >&6
-+# On Suns, sometimes $CPP names a directory.
-+if test -n "$CPP" && test -d "$CPP"; then
-+  CPP=
-+fi
-+if test -z "$CPP"; then
-+  if test "${ac_cv_prog_CPP+set}" = set; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+      # Double quotes because CPP needs to be expanded
-+    for CPP in "$CC -E" "$CC -E -traditional-cpp" "/lib/cpp"
-+    do
-+      ac_preproc_ok=false
-+for ac_c_preproc_warn_flag in '' yes
-+do
-+  # Use a header file that comes with gcc, so configuring glibc
-+  # with a fresh cross-compiler works.
-+  # Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
-+  # <limits.h> exists even on freestanding compilers.
-+  # On the NeXT, cc -E runs the code through the compiler's parser,
-+  # not just through cpp. "Syntax error" is here to catch this case.
-+  cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+#ifdef __STDC__
-+# include <limits.h>
-+#else
-+# include <assert.h>
-+#endif
-+		     Syntax error
-+_ACEOF
-+if { (eval echo "$as_me:$LINENO: \"$ac_cpp conftest.$ac_ext\"") >&5
-+  (eval $ac_cpp conftest.$ac_ext) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } >/dev/null; then
-+  if test -s conftest.err; then
-+    ac_cpp_err=$ac_c_preproc_warn_flag
-+    ac_cpp_err=$ac_cpp_err$ac_c_werror_flag
-+  else
-+    ac_cpp_err=
-+  fi
-+else
-+  ac_cpp_err=yes
-+fi
-+if test -z "$ac_cpp_err"; then
-+  :
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+  # Broken: fails on valid input.
-+continue
-+fi
-+rm -f conftest.err conftest.$ac_ext
-+
-+  # OK, works on sane cases.  Now check whether non-existent headers
-+  # can be detected and how.
-+  cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+#include <ac_nonexistent.h>
-+_ACEOF
-+if { (eval echo "$as_me:$LINENO: \"$ac_cpp conftest.$ac_ext\"") >&5
-+  (eval $ac_cpp conftest.$ac_ext) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } >/dev/null; then
-+  if test -s conftest.err; then
-+    ac_cpp_err=$ac_c_preproc_warn_flag
-+    ac_cpp_err=$ac_cpp_err$ac_c_werror_flag
-+  else
-+    ac_cpp_err=
-+  fi
-+else
-+  ac_cpp_err=yes
-+fi
-+if test -z "$ac_cpp_err"; then
-+  # Broken: success on invalid input.
-+continue
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+  # Passes both tests.
-+ac_preproc_ok=:
-+break
-+fi
-+rm -f conftest.err conftest.$ac_ext
-+
-+done
-+# Because of `break', _AC_PREPROC_IFELSE's cleaning code was skipped.
-+rm -f conftest.err conftest.$ac_ext
-+if $ac_preproc_ok; then
-+  break
-+fi
-+
-+    done
-+    ac_cv_prog_CPP=$CPP
-+
-+fi
-+  CPP=$ac_cv_prog_CPP
-+else
-+  ac_cv_prog_CPP=$CPP
-+fi
-+echo "$as_me:$LINENO: result: $CPP" >&5
-+echo "${ECHO_T}$CPP" >&6
-+ac_preproc_ok=false
-+for ac_c_preproc_warn_flag in '' yes
-+do
-+  # Use a header file that comes with gcc, so configuring glibc
-+  # with a fresh cross-compiler works.
-+  # Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
-+  # <limits.h> exists even on freestanding compilers.
-+  # On the NeXT, cc -E runs the code through the compiler's parser,
-+  # not just through cpp. "Syntax error" is here to catch this case.
-+  cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+#ifdef __STDC__
-+# include <limits.h>
-+#else
-+# include <assert.h>
-+#endif
-+		     Syntax error
-+_ACEOF
-+if { (eval echo "$as_me:$LINENO: \"$ac_cpp conftest.$ac_ext\"") >&5
-+  (eval $ac_cpp conftest.$ac_ext) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } >/dev/null; then
-+  if test -s conftest.err; then
-+    ac_cpp_err=$ac_c_preproc_warn_flag
-+    ac_cpp_err=$ac_cpp_err$ac_c_werror_flag
-+  else
-+    ac_cpp_err=
-+  fi
-+else
-+  ac_cpp_err=yes
-+fi
-+if test -z "$ac_cpp_err"; then
-+  :
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
- 
-+  # Broken: fails on valid input.
-+continue
-+fi
-+rm -f conftest.err conftest.$ac_ext
- 
-+  # OK, works on sane cases.  Now check whether non-existent headers
-+  # can be detected and how.
-+  cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+#include <ac_nonexistent.h>
-+_ACEOF
-+if { (eval echo "$as_me:$LINENO: \"$ac_cpp conftest.$ac_ext\"") >&5
-+  (eval $ac_cpp conftest.$ac_ext) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } >/dev/null; then
-+  if test -s conftest.err; then
-+    ac_cpp_err=$ac_c_preproc_warn_flag
-+    ac_cpp_err=$ac_cpp_err$ac_c_werror_flag
-+  else
-+    ac_cpp_err=
-+  fi
-+else
-+  ac_cpp_err=yes
-+fi
-+if test -z "$ac_cpp_err"; then
-+  # Broken: success on invalid input.
-+continue
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+  # Passes both tests.
-+ac_preproc_ok=:
-+break
-+fi
-+rm -f conftest.err conftest.$ac_ext
-+
-+done
-+# Because of `break', _AC_PREPROC_IFELSE's cleaning code was skipped.
-+rm -f conftest.err conftest.$ac_ext
-+if $ac_preproc_ok; then
-+  :
-+else
-+  { { echo "$as_me:$LINENO: error: C preprocessor \"$CPP\" fails sanity check
-+See \`config.log' for more details." >&5
-+echo "$as_me: error: C preprocessor \"$CPP\" fails sanity check
-+See \`config.log' for more details." >&2;}
-+   { (exit 1); exit 1; }; }
-+fi
-+
-+ac_ext=c
-+ac_cpp='$CPP $CPPFLAGS'
-+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_c_compiler_gnu
-+
-+
-+echo "$as_me:$LINENO: checking for egrep" >&5
-+echo $ECHO_N "checking for egrep... $ECHO_C" >&6
-+if test "${ac_cv_prog_egrep+set}" = set; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+  if echo a | (grep -E '(a|b)') >/dev/null 2>&1
-+    then ac_cv_prog_egrep='grep -E'
-+    else ac_cv_prog_egrep='egrep'
-+    fi
-+fi
-+echo "$as_me:$LINENO: result: $ac_cv_prog_egrep" >&5
-+echo "${ECHO_T}$ac_cv_prog_egrep" >&6
-+ EGREP=$ac_cv_prog_egrep
- 
- 
--# Runs configure.host, finds CC, CXX, and assorted other critical bits.  Sets
--# up critical shell variables.
- 
-   # Keep these sync'd with the list in Makefile.am.  The first provides an
-   # expandable list at autoconf time; the second provides an expandable list
-@@ -3653,6 +3849,30 @@ fi
-   #enable_symvers=no
-   #enable_hosted_libstdcxx=yes
- 
-+  # Check for uClibc since Linux platforms use different configuration
-+  # directories depending on the C library in use.
-+  cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+
-+  #include <stdio.h>
-+  #if __UCLIBC__
-+    _using_uclibc
-+  #endif
-+
-+_ACEOF
-+if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
-+  $EGREP "_using_uclibc" >/dev/null 2>&1; then
-+  uclibc=yes
-+else
-+  uclibc=no
-+fi
-+rm -f conftest*
-+
-+
-   # Find platform-specific directories containing configuration info.
-   # Also possibly modify flags used elsewhere, as needed by the platform.
- 
-@@ -4054,7 +4274,6 @@ deplibs_check_method=$lt_cv_deplibs_chec
- 
- 
- 
--
- # Autoconf 2.13's AC_OBJEXT and AC_EXEEXT macros only works for C compilers!
- 
- # Only perform the check for file, if the check method requires it
-@@ -4390,7 +4609,7 @@ test x"$pic_mode" = xno && libtool_flags
- case $host in
- *-*-irix6*)
-   # Find out which ABI we are using.
--  echo '#line 4393 "configure"' > conftest.$ac_ext
-+  echo '#line 4612 "configure"' > conftest.$ac_ext
-   if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-   (eval $ac_compile) 2>&5
-   ac_status=$?
-@@ -5011,7 +5230,7 @@ fi;
-     #
-     # Fake what AC_TRY_COMPILE does.  XXX Look at redoing this new-style.
-     cat > conftest.$ac_ext << EOF
--#line 5014 "configure"
-+#line 5233 "configure"
- struct S { ~S(); };
- void bar();
- void foo()
-@@ -5176,358 +5395,108 @@ echo "${ECHO_T}stdio" >&6
- 
- 
- 
--ac_ext=c
--ac_cpp='$CPP $CPPFLAGS'
--ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
--ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
--ac_compiler_gnu=$ac_cv_c_compiler_gnu
--echo "$as_me:$LINENO: checking how to run the C preprocessor" >&5
--echo $ECHO_N "checking how to run the C preprocessor... $ECHO_C" >&6
--# On Suns, sometimes $CPP names a directory.
--if test -n "$CPP" && test -d "$CPP"; then
--  CPP=
--fi
--if test -z "$CPP"; then
--  if test "${ac_cv_prog_CPP+set}" = set; then
-+echo "$as_me:$LINENO: checking for ANSI C header files" >&5
-+echo $ECHO_N "checking for ANSI C header files... $ECHO_C" >&6
-+if test "${ac_cv_header_stdc+set}" = set; then
-   echo $ECHO_N "(cached) $ECHO_C" >&6
- else
--      # Double quotes because CPP needs to be expanded
--    for CPP in "$CC -E" "$CC -E -traditional-cpp" "/lib/cpp"
--    do
--      ac_preproc_ok=false
--for ac_c_preproc_warn_flag in '' yes
--do
--  # Use a header file that comes with gcc, so configuring glibc
--  # with a fresh cross-compiler works.
--  # Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
--  # <limits.h> exists even on freestanding compilers.
--  # On the NeXT, cc -E runs the code through the compiler's parser,
--  # not just through cpp. "Syntax error" is here to catch this case.
-   cat >conftest.$ac_ext <<_ACEOF
- /* confdefs.h.  */
- _ACEOF
- cat confdefs.h >>conftest.$ac_ext
- cat >>conftest.$ac_ext <<_ACEOF
- /* end confdefs.h.  */
--#ifdef __STDC__
--# include <limits.h>
--#else
--# include <assert.h>
--#endif
--		     Syntax error
-+#include <stdlib.h>
-+#include <stdarg.h>
-+#include <string.h>
-+#include <float.h>
-+
-+int
-+main ()
-+{
-+
-+  ;
-+  return 0;
-+}
- _ACEOF
--if { (eval echo "$as_me:$LINENO: \"$ac_cpp conftest.$ac_ext\"") >&5
--  (eval $ac_cpp conftest.$ac_ext) 2>conftest.er1
-+rm -f conftest.$ac_objext
-+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-+  (eval $ac_compile) 2>conftest.er1
-   ac_status=$?
-   grep -v '^ *+' conftest.er1 >conftest.err
-   rm -f conftest.er1
-   cat conftest.err >&5
-   echo "$as_me:$LINENO: \$? = $ac_status" >&5
--  (exit $ac_status); } >/dev/null; then
--  if test -s conftest.err; then
--    ac_cpp_err=$ac_c_preproc_warn_flag
--    ac_cpp_err=$ac_cpp_err$ac_c_werror_flag
--  else
--    ac_cpp_err=
--  fi
--else
--  ac_cpp_err=yes
--fi
--if test -z "$ac_cpp_err"; then
--  :
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_c_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest.$ac_objext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  ac_cv_header_stdc=yes
- else
-   echo "$as_me: failed program was:" >&5
- sed 's/^/| /' conftest.$ac_ext >&5
- 
--  # Broken: fails on valid input.
--continue
-+ac_cv_header_stdc=no
- fi
--rm -f conftest.err conftest.$ac_ext
-+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
- 
--  # OK, works on sane cases.  Now check whether non-existent headers
--  # can be detected and how.
-+if test $ac_cv_header_stdc = yes; then
-+  # SunOS 4.x string.h does not declare mem*, contrary to ANSI.
-   cat >conftest.$ac_ext <<_ACEOF
- /* confdefs.h.  */
- _ACEOF
- cat confdefs.h >>conftest.$ac_ext
- cat >>conftest.$ac_ext <<_ACEOF
- /* end confdefs.h.  */
--#include <ac_nonexistent.h>
-+#include <string.h>
-+
- _ACEOF
--if { (eval echo "$as_me:$LINENO: \"$ac_cpp conftest.$ac_ext\"") >&5
--  (eval $ac_cpp conftest.$ac_ext) 2>conftest.er1
--  ac_status=$?
--  grep -v '^ *+' conftest.er1 >conftest.err
--  rm -f conftest.er1
--  cat conftest.err >&5
--  echo "$as_me:$LINENO: \$? = $ac_status" >&5
--  (exit $ac_status); } >/dev/null; then
--  if test -s conftest.err; then
--    ac_cpp_err=$ac_c_preproc_warn_flag
--    ac_cpp_err=$ac_cpp_err$ac_c_werror_flag
--  else
--    ac_cpp_err=
--  fi
--else
--  ac_cpp_err=yes
--fi
--if test -z "$ac_cpp_err"; then
--  # Broken: success on invalid input.
--continue
-+if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
-+  $EGREP "memchr" >/dev/null 2>&1; then
-+  :
- else
--  echo "$as_me: failed program was:" >&5
--sed 's/^/| /' conftest.$ac_ext >&5
--
--  # Passes both tests.
--ac_preproc_ok=:
--break
-+  ac_cv_header_stdc=no
- fi
--rm -f conftest.err conftest.$ac_ext
-+rm -f conftest*
- 
--done
--# Because of `break', _AC_PREPROC_IFELSE's cleaning code was skipped.
--rm -f conftest.err conftest.$ac_ext
--if $ac_preproc_ok; then
--  break
- fi
- 
--    done
--    ac_cv_prog_CPP=$CPP
--
--fi
--  CPP=$ac_cv_prog_CPP
--else
--  ac_cv_prog_CPP=$CPP
--fi
--echo "$as_me:$LINENO: result: $CPP" >&5
--echo "${ECHO_T}$CPP" >&6
--ac_preproc_ok=false
--for ac_c_preproc_warn_flag in '' yes
--do
--  # Use a header file that comes with gcc, so configuring glibc
--  # with a fresh cross-compiler works.
--  # Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
--  # <limits.h> exists even on freestanding compilers.
--  # On the NeXT, cc -E runs the code through the compiler's parser,
--  # not just through cpp. "Syntax error" is here to catch this case.
-+if test $ac_cv_header_stdc = yes; then
-+  # ISC 2.0.2 stdlib.h does not declare free, contrary to ANSI.
-   cat >conftest.$ac_ext <<_ACEOF
- /* confdefs.h.  */
- _ACEOF
- cat confdefs.h >>conftest.$ac_ext
- cat >>conftest.$ac_ext <<_ACEOF
- /* end confdefs.h.  */
--#ifdef __STDC__
--# include <limits.h>
--#else
--# include <assert.h>
--#endif
--		     Syntax error
-+#include <stdlib.h>
-+
- _ACEOF
--if { (eval echo "$as_me:$LINENO: \"$ac_cpp conftest.$ac_ext\"") >&5
--  (eval $ac_cpp conftest.$ac_ext) 2>conftest.er1
--  ac_status=$?
--  grep -v '^ *+' conftest.er1 >conftest.err
--  rm -f conftest.er1
--  cat conftest.err >&5
--  echo "$as_me:$LINENO: \$? = $ac_status" >&5
--  (exit $ac_status); } >/dev/null; then
--  if test -s conftest.err; then
--    ac_cpp_err=$ac_c_preproc_warn_flag
--    ac_cpp_err=$ac_cpp_err$ac_c_werror_flag
--  else
--    ac_cpp_err=
--  fi
--else
--  ac_cpp_err=yes
--fi
--if test -z "$ac_cpp_err"; then
-+if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
-+  $EGREP "free" >/dev/null 2>&1; then
-   :
- else
--  echo "$as_me: failed program was:" >&5
--sed 's/^/| /' conftest.$ac_ext >&5
-+  ac_cv_header_stdc=no
-+fi
-+rm -f conftest*
- 
--  # Broken: fails on valid input.
--continue
- fi
--rm -f conftest.err conftest.$ac_ext
- 
--  # OK, works on sane cases.  Now check whether non-existent headers
--  # can be detected and how.
--  cat >conftest.$ac_ext <<_ACEOF
--/* confdefs.h.  */
--_ACEOF
--cat confdefs.h >>conftest.$ac_ext
--cat >>conftest.$ac_ext <<_ACEOF
--/* end confdefs.h.  */
--#include <ac_nonexistent.h>
--_ACEOF
--if { (eval echo "$as_me:$LINENO: \"$ac_cpp conftest.$ac_ext\"") >&5
--  (eval $ac_cpp conftest.$ac_ext) 2>conftest.er1
--  ac_status=$?
--  grep -v '^ *+' conftest.er1 >conftest.err
--  rm -f conftest.er1
--  cat conftest.err >&5
--  echo "$as_me:$LINENO: \$? = $ac_status" >&5
--  (exit $ac_status); } >/dev/null; then
--  if test -s conftest.err; then
--    ac_cpp_err=$ac_c_preproc_warn_flag
--    ac_cpp_err=$ac_cpp_err$ac_c_werror_flag
--  else
--    ac_cpp_err=
--  fi
--else
--  ac_cpp_err=yes
--fi
--if test -z "$ac_cpp_err"; then
--  # Broken: success on invalid input.
--continue
--else
--  echo "$as_me: failed program was:" >&5
--sed 's/^/| /' conftest.$ac_ext >&5
--
--  # Passes both tests.
--ac_preproc_ok=:
--break
--fi
--rm -f conftest.err conftest.$ac_ext
--
--done
--# Because of `break', _AC_PREPROC_IFELSE's cleaning code was skipped.
--rm -f conftest.err conftest.$ac_ext
--if $ac_preproc_ok; then
--  :
--else
--  { { echo "$as_me:$LINENO: error: C preprocessor \"$CPP\" fails sanity check
--See \`config.log' for more details." >&5
--echo "$as_me: error: C preprocessor \"$CPP\" fails sanity check
--See \`config.log' for more details." >&2;}
--   { (exit 1); exit 1; }; }
--fi
--
--ac_ext=c
--ac_cpp='$CPP $CPPFLAGS'
--ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
--ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
--ac_compiler_gnu=$ac_cv_c_compiler_gnu
--
--
--echo "$as_me:$LINENO: checking for egrep" >&5
--echo $ECHO_N "checking for egrep... $ECHO_C" >&6
--if test "${ac_cv_prog_egrep+set}" = set; then
--  echo $ECHO_N "(cached) $ECHO_C" >&6
--else
--  if echo a | (grep -E '(a|b)') >/dev/null 2>&1
--    then ac_cv_prog_egrep='grep -E'
--    else ac_cv_prog_egrep='egrep'
--    fi
--fi
--echo "$as_me:$LINENO: result: $ac_cv_prog_egrep" >&5
--echo "${ECHO_T}$ac_cv_prog_egrep" >&6
-- EGREP=$ac_cv_prog_egrep
--
--
--echo "$as_me:$LINENO: checking for ANSI C header files" >&5
--echo $ECHO_N "checking for ANSI C header files... $ECHO_C" >&6
--if test "${ac_cv_header_stdc+set}" = set; then
--  echo $ECHO_N "(cached) $ECHO_C" >&6
--else
--  cat >conftest.$ac_ext <<_ACEOF
--/* confdefs.h.  */
--_ACEOF
--cat confdefs.h >>conftest.$ac_ext
--cat >>conftest.$ac_ext <<_ACEOF
--/* end confdefs.h.  */
--#include <stdlib.h>
--#include <stdarg.h>
--#include <string.h>
--#include <float.h>
--
--int
--main ()
--{
--
--  ;
--  return 0;
--}
--_ACEOF
--rm -f conftest.$ac_objext
--if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
--  (eval $ac_compile) 2>conftest.er1
--  ac_status=$?
--  grep -v '^ *+' conftest.er1 >conftest.err
--  rm -f conftest.er1
--  cat conftest.err >&5
--  echo "$as_me:$LINENO: \$? = $ac_status" >&5
--  (exit $ac_status); } &&
--	 { ac_try='test -z "$ac_c_werror_flag"
--			 || test ! -s conftest.err'
--  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
--  (eval $ac_try) 2>&5
--  ac_status=$?
--  echo "$as_me:$LINENO: \$? = $ac_status" >&5
--  (exit $ac_status); }; } &&
--	 { ac_try='test -s conftest.$ac_objext'
--  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
--  (eval $ac_try) 2>&5
--  ac_status=$?
--  echo "$as_me:$LINENO: \$? = $ac_status" >&5
--  (exit $ac_status); }; }; then
--  ac_cv_header_stdc=yes
--else
--  echo "$as_me: failed program was:" >&5
--sed 's/^/| /' conftest.$ac_ext >&5
--
--ac_cv_header_stdc=no
--fi
--rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
--
--if test $ac_cv_header_stdc = yes; then
--  # SunOS 4.x string.h does not declare mem*, contrary to ANSI.
--  cat >conftest.$ac_ext <<_ACEOF
--/* confdefs.h.  */
--_ACEOF
--cat confdefs.h >>conftest.$ac_ext
--cat >>conftest.$ac_ext <<_ACEOF
--/* end confdefs.h.  */
--#include <string.h>
--
--_ACEOF
--if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
--  $EGREP "memchr" >/dev/null 2>&1; then
--  :
--else
--  ac_cv_header_stdc=no
--fi
--rm -f conftest*
--
--fi
--
--if test $ac_cv_header_stdc = yes; then
--  # ISC 2.0.2 stdlib.h does not declare free, contrary to ANSI.
--  cat >conftest.$ac_ext <<_ACEOF
--/* confdefs.h.  */
--_ACEOF
--cat confdefs.h >>conftest.$ac_ext
--cat >>conftest.$ac_ext <<_ACEOF
--/* end confdefs.h.  */
--#include <stdlib.h>
--
--_ACEOF
--if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
--  $EGREP "free" >/dev/null 2>&1; then
--  :
--else
--  ac_cv_header_stdc=no
--fi
--rm -f conftest*
--
--fi
--
--if test $ac_cv_header_stdc = yes; then
--  # /bin/cc in Irix-4.0.5 gets non-ANSI ctype macros unless using -ansi.
--  if test "$cross_compiling" = yes; then
--  :
--else
-+if test $ac_cv_header_stdc = yes; then
-+  # /bin/cc in Irix-4.0.5 gets non-ANSI ctype macros unless using -ansi.
-+  if test "$cross_compiling" = yes; then
-+  :
-+else
-   cat >conftest.$ac_ext <<_ACEOF
- /* confdefs.h.  */
- _ACEOF
-@@ -81511,6 +81480,98 @@ done
-     SECTION_FLAGS='-ffunction-sections -fdata-sections'
- 
- 
-+  # All these tests are for C++; save the language and the compiler flags.
-+  # The CXXFLAGS thing is suspicious, but based on similar bits previously
-+  # found in GLIBCXX_CONFIGURE.
-+
-+
-+  ac_ext=cc
-+ac_cpp='$CXXCPP $CPPFLAGS'
-+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
-+
-+  ac_test_CXXFLAGS="${CXXFLAGS+set}"
-+  ac_save_CXXFLAGS="$CXXFLAGS"
-+
-+  # Check for maintainer-mode bits.
-+  if test x"$USE_MAINTAINER_MODE" = xno; then
-+    WERROR=''
-+  else
-+    WERROR='-Werror'
-+  fi
-+
-+  # Check for -ffunction-sections -fdata-sections
-+  echo "$as_me:$LINENO: checking for g++ that supports -ffunction-sections -fdata-sections" >&5
-+echo $ECHO_N "checking for g++ that supports -ffunction-sections -fdata-sections... $ECHO_C" >&6
-+  CXXFLAGS='-Werror -ffunction-sections -fdata-sections'
-+  cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+
-+int
-+main ()
-+{
-+int foo;
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext
-+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-+  (eval $ac_compile) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_cxx_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest.$ac_objext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  ac_fdsections=yes
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+ac_fdsections=no
-+fi
-+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
-+  if test "$ac_test_CXXFLAGS" = set; then
-+    CXXFLAGS="$ac_save_CXXFLAGS"
-+  else
-+    # this is the suspicious part
-+    CXXFLAGS=''
-+  fi
-+  if test x"$ac_fdsections" = x"yes"; then
-+    SECTION_FLAGS='-ffunction-sections -fdata-sections'
-+  fi
-+  echo "$as_me:$LINENO: result: $ac_fdsections" >&5
-+echo "${ECHO_T}$ac_fdsections" >&6
-+
-+  ac_ext=c
-+ac_cpp='$CPP $CPPFLAGS'
-+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_c_compiler_gnu
-+
-+
-+
-+
-+
-   # If we're not using GNU ld, then there's no point in even trying these
-   # tests.  Check for that first.  We should have already tested for gld
-   # by now (in libtool), but require it now just to be safe...
-@@ -81624,10 +81685,13 @@ echo "${ECHO_T}$ac_sectionLDflags" >&6
- 
- 
- 
-+  ac_test_CXXFLAGS="${CXXFLAGS+set}"
-+  ac_save_CXXFLAGS="$CXXFLAGS"
-+  CXXFLAGS='-fno-builtin -D_GNU_SOURCE'
- 
--echo "$as_me:$LINENO: checking for main in -lm" >&5
--echo $ECHO_N "checking for main in -lm... $ECHO_C" >&6
--if test "${ac_cv_lib_m_main+set}" = set; then
-+    echo "$as_me:$LINENO: checking for sin in -lm" >&5
-+echo $ECHO_N "checking for sin in -lm... $ECHO_C" >&6
-+if test "${ac_cv_lib_m_sin+set}" = set; then
-   echo $ECHO_N "(cached) $ECHO_C" >&6
- else
-   ac_check_lib_save_LIBS=$LIBS
-@@ -81644,11 +81708,17 @@ cat confdefs.h >>conftest.$ac_ext
- cat >>conftest.$ac_ext <<_ACEOF
- /* end confdefs.h.  */
- 
--
-+/* Override any gcc2 internal prototype to avoid an error.  */
-+#ifdef __cplusplus
-+extern "C"
-+#endif
-+/* We use char because int might match the return type of a gcc2
-+   builtin and then its argument prototype would still apply.  */
-+char sin ();
- int
- main ()
- {
--main ();
-+sin ();
-   ;
-   return 0;
- }
-@@ -81675,140 +81745,108 @@ if { (eval echo "$as_me:$LINENO: \"$ac_l
-   ac_status=$?
-   echo "$as_me:$LINENO: \$? = $ac_status" >&5
-   (exit $ac_status); }; }; then
--  ac_cv_lib_m_main=yes
-+  ac_cv_lib_m_sin=yes
- else
-   echo "$as_me: failed program was:" >&5
- sed 's/^/| /' conftest.$ac_ext >&5
- 
--ac_cv_lib_m_main=no
-+ac_cv_lib_m_sin=no
- fi
- rm -f conftest.err conftest.$ac_objext \
-       conftest$ac_exeext conftest.$ac_ext
- LIBS=$ac_check_lib_save_LIBS
- fi
--echo "$as_me:$LINENO: result: $ac_cv_lib_m_main" >&5
--echo "${ECHO_T}$ac_cv_lib_m_main" >&6
--if test $ac_cv_lib_m_main = yes; then
--  cat >>confdefs.h <<_ACEOF
--#define HAVE_LIBM 1
--_ACEOF
-+echo "$as_me:$LINENO: result: $ac_cv_lib_m_sin" >&5
-+echo "${ECHO_T}$ac_cv_lib_m_sin" >&6
-+if test $ac_cv_lib_m_sin = yes; then
-+  libm="-lm"
-+fi
- 
--  LIBS="-lm $LIBS"
-+  ac_save_LIBS="$LIBS"
-+  LIBS="$LIBS $libm"
- 
--fi
- 
- 
--for ac_func in copysignf
--do
--as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh`
--echo "$as_me:$LINENO: checking for $ac_func" >&5
--echo $ECHO_N "checking for $ac_func... $ECHO_C" >&6
--if eval "test \"\${$as_ac_var+set}\" = set"; then
-+  echo "$as_me:$LINENO: checking for isinf declaration" >&5
-+echo $ECHO_N "checking for isinf declaration... $ECHO_C" >&6
-+  if test x${glibcxx_cv_func_isinf_use+set} != xset; then
-+    if test "${glibcxx_cv_func_isinf_use+set}" = set; then
-   echo $ECHO_N "(cached) $ECHO_C" >&6
- else
--  if test x$gcc_no_link = xyes; then
--  { { echo "$as_me:$LINENO: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&5
--echo "$as_me: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&2;}
--   { (exit 1); exit 1; }; }
--fi
--cat >conftest.$ac_ext <<_ACEOF
-+
-+
-+
-+      ac_ext=cc
-+ac_cpp='$CXXCPP $CPPFLAGS'
-+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
-+
-+      cat >conftest.$ac_ext <<_ACEOF
- /* confdefs.h.  */
- _ACEOF
- cat confdefs.h >>conftest.$ac_ext
- cat >>conftest.$ac_ext <<_ACEOF
- /* end confdefs.h.  */
--/* Define $ac_func to an innocuous variant, in case <limits.h> declares $ac_func.
--   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
--#define $ac_func innocuous_$ac_func
--
--/* System header to define __stub macros and hopefully few prototypes,
--    which can conflict with char $ac_func (); below.
--    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
--    <limits.h> exists even on freestanding compilers.  */
--
--#ifdef __STDC__
--# include <limits.h>
--#else
--# include <assert.h>
--#endif
--
--#undef $ac_func
--
--/* Override any gcc2 internal prototype to avoid an error.  */
--#ifdef __cplusplus
--extern "C"
--{
--#endif
--/* We use char because int might match the return type of a gcc2
--   builtin and then its argument prototype would still apply.  */
--char $ac_func ();
--/* The GNU C library defines this for functions which it implements
--    to always fail with ENOSYS.  Some functions are actually named
--    something starting with __ and the normal name is an alias.  */
--#if defined (__stub_$ac_func) || defined (__stub___$ac_func)
--choke me
--#else
--char (*f) () = $ac_func;
--#endif
--#ifdef __cplusplus
--}
--#endif
-+#include <math.h>
-+		      #ifdef HAVE_IEEEFP_H
-+		      #include <ieeefp.h>
-+		      #endif
- 
- int
- main ()
- {
--return f != $ac_func;
-+ isinf(0);
-   ;
-   return 0;
- }
- _ACEOF
--rm -f conftest.$ac_objext conftest$ac_exeext
--if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
--  (eval $ac_link) 2>conftest.er1
-+rm -f conftest.$ac_objext
-+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-+  (eval $ac_compile) 2>conftest.er1
-   ac_status=$?
-   grep -v '^ *+' conftest.er1 >conftest.err
-   rm -f conftest.er1
-   cat conftest.err >&5
-   echo "$as_me:$LINENO: \$? = $ac_status" >&5
-   (exit $ac_status); } &&
--	 { ac_try='test -z "$ac_c_werror_flag"
-+	 { ac_try='test -z "$ac_cxx_werror_flag"
- 			 || test ! -s conftest.err'
-   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-   (eval $ac_try) 2>&5
-   ac_status=$?
-   echo "$as_me:$LINENO: \$? = $ac_status" >&5
-   (exit $ac_status); }; } &&
--	 { ac_try='test -s conftest$ac_exeext'
-+	 { ac_try='test -s conftest.$ac_objext'
-   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-   (eval $ac_try) 2>&5
-   ac_status=$?
-   echo "$as_me:$LINENO: \$? = $ac_status" >&5
-   (exit $ac_status); }; }; then
--  eval "$as_ac_var=yes"
-+  glibcxx_cv_func_isinf_use=yes
- else
-   echo "$as_me: failed program was:" >&5
- sed 's/^/| /' conftest.$ac_ext >&5
- 
--eval "$as_ac_var=no"
--fi
--rm -f conftest.err conftest.$ac_objext \
--      conftest$ac_exeext conftest.$ac_ext
-+glibcxx_cv_func_isinf_use=no
- fi
--echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_var'}'`" >&5
--echo "${ECHO_T}`eval echo '${'$as_ac_var'}'`" >&6
--if test `eval echo '${'$as_ac_var'}'` = yes; then
--  cat >>confdefs.h <<_ACEOF
--#define `echo "HAVE_$ac_func" | $as_tr_cpp` 1
--_ACEOF
-+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
-+      ac_ext=c
-+ac_cpp='$CPP $CPPFLAGS'
-+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_c_compiler_gnu
-+
- 
--else
--  LIBMATHOBJS="$LIBMATHOBJS ${ac_func}.lo"
- fi
--done
- 
-+  fi
-+  echo "$as_me:$LINENO: result: $glibcxx_cv_func_isinf_use" >&5
-+echo "${ECHO_T}$glibcxx_cv_func_isinf_use" >&6
- 
-+  if test x$glibcxx_cv_func_isinf_use = x"yes"; then
- 
--for ac_func in __signbit
-+for ac_func in isinf
- do
- as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh`
- echo "$as_me:$LINENO: checking for $ac_func" >&5
-@@ -81911,125 +81949,91 @@ if test `eval echo '${'$as_ac_var'}'` = 
- #define `echo "HAVE_$ac_func" | $as_tr_cpp` 1
- _ACEOF
- 
--else
--  LIBMATHOBJS="$LIBMATHOBJS signbit.lo"
- fi
- done
- 
-+  else
- 
--
--for ac_func in __signbitf
--do
--as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh`
--echo "$as_me:$LINENO: checking for $ac_func" >&5
--echo $ECHO_N "checking for $ac_func... $ECHO_C" >&6
--if eval "test \"\${$as_ac_var+set}\" = set"; then
-+  echo "$as_me:$LINENO: checking for _isinf declaration" >&5
-+echo $ECHO_N "checking for _isinf declaration... $ECHO_C" >&6
-+  if test x${glibcxx_cv_func__isinf_use+set} != xset; then
-+    if test "${glibcxx_cv_func__isinf_use+set}" = set; then
-   echo $ECHO_N "(cached) $ECHO_C" >&6
- else
--  if test x$gcc_no_link = xyes; then
--  { { echo "$as_me:$LINENO: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&5
--echo "$as_me: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&2;}
--   { (exit 1); exit 1; }; }
--fi
--cat >conftest.$ac_ext <<_ACEOF
-+
-+
-+
-+      ac_ext=cc
-+ac_cpp='$CXXCPP $CPPFLAGS'
-+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
-+
-+      cat >conftest.$ac_ext <<_ACEOF
- /* confdefs.h.  */
- _ACEOF
- cat confdefs.h >>conftest.$ac_ext
- cat >>conftest.$ac_ext <<_ACEOF
- /* end confdefs.h.  */
--/* Define $ac_func to an innocuous variant, in case <limits.h> declares $ac_func.
--   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
--#define $ac_func innocuous_$ac_func
--
--/* System header to define __stub macros and hopefully few prototypes,
--    which can conflict with char $ac_func (); below.
--    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
--    <limits.h> exists even on freestanding compilers.  */
--
--#ifdef __STDC__
--# include <limits.h>
--#else
--# include <assert.h>
--#endif
--
--#undef $ac_func
--
--/* Override any gcc2 internal prototype to avoid an error.  */
--#ifdef __cplusplus
--extern "C"
--{
--#endif
--/* We use char because int might match the return type of a gcc2
--   builtin and then its argument prototype would still apply.  */
--char $ac_func ();
--/* The GNU C library defines this for functions which it implements
--    to always fail with ENOSYS.  Some functions are actually named
--    something starting with __ and the normal name is an alias.  */
--#if defined (__stub_$ac_func) || defined (__stub___$ac_func)
--choke me
--#else
--char (*f) () = $ac_func;
--#endif
--#ifdef __cplusplus
--}
--#endif
-+#include <math.h>
-+		      #ifdef HAVE_IEEEFP_H
-+		      #include <ieeefp.h>
-+		      #endif
- 
- int
- main ()
- {
--return f != $ac_func;
-+ _isinf(0);
-   ;
-   return 0;
- }
- _ACEOF
--rm -f conftest.$ac_objext conftest$ac_exeext
--if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
--  (eval $ac_link) 2>conftest.er1
-+rm -f conftest.$ac_objext
-+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-+  (eval $ac_compile) 2>conftest.er1
-   ac_status=$?
-   grep -v '^ *+' conftest.er1 >conftest.err
-   rm -f conftest.er1
-   cat conftest.err >&5
-   echo "$as_me:$LINENO: \$? = $ac_status" >&5
-   (exit $ac_status); } &&
--	 { ac_try='test -z "$ac_c_werror_flag"
-+	 { ac_try='test -z "$ac_cxx_werror_flag"
- 			 || test ! -s conftest.err'
-   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-   (eval $ac_try) 2>&5
-   ac_status=$?
-   echo "$as_me:$LINENO: \$? = $ac_status" >&5
-   (exit $ac_status); }; } &&
--	 { ac_try='test -s conftest$ac_exeext'
-+	 { ac_try='test -s conftest.$ac_objext'
-   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-   (eval $ac_try) 2>&5
-   ac_status=$?
-   echo "$as_me:$LINENO: \$? = $ac_status" >&5
-   (exit $ac_status); }; }; then
--  eval "$as_ac_var=yes"
-+  glibcxx_cv_func__isinf_use=yes
- else
-   echo "$as_me: failed program was:" >&5
- sed 's/^/| /' conftest.$ac_ext >&5
- 
--eval "$as_ac_var=no"
--fi
--rm -f conftest.err conftest.$ac_objext \
--      conftest$ac_exeext conftest.$ac_ext
-+glibcxx_cv_func__isinf_use=no
- fi
--echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_var'}'`" >&5
--echo "${ECHO_T}`eval echo '${'$as_ac_var'}'`" >&6
--if test `eval echo '${'$as_ac_var'}'` = yes; then
--  cat >>confdefs.h <<_ACEOF
--#define `echo "HAVE_$ac_func" | $as_tr_cpp` 1
--_ACEOF
-+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
-+      ac_ext=c
-+ac_cpp='$CPP $CPPFLAGS'
-+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_c_compiler_gnu
-+
- 
--else
--  LIBMATHOBJS="$LIBMATHOBJS signbitf.lo"
- fi
--done
- 
-+  fi
-+  echo "$as_me:$LINENO: result: $glibcxx_cv_func__isinf_use" >&5
-+echo "${ECHO_T}$glibcxx_cv_func__isinf_use" >&6
- 
--          if test x$ac_cv_func_copysignl = x"yes"; then
-+    if test x$glibcxx_cv_func__isinf_use = x"yes"; then
- 
--for ac_func in __signbitl
-+for ac_func in _isinf
- do
- as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh`
- echo "$as_me:$LINENO: checking for $ac_func" >&5
-@@ -82132,35 +82136,17795 @@ if test `eval echo '${'$as_ac_var'}'` = 
- #define `echo "HAVE_$ac_func" | $as_tr_cpp` 1
- _ACEOF
- 
--else
--  LIBMATHOBJS="$LIBMATHOBJS signbitl.lo"
- fi
- done
- 
-   fi
-+  fi
-+
-+
-+
-+  echo "$as_me:$LINENO: checking for isnan declaration" >&5
-+echo $ECHO_N "checking for isnan declaration... $ECHO_C" >&6
-+  if test x${glibcxx_cv_func_isnan_use+set} != xset; then
-+    if test "${glibcxx_cv_func_isnan_use+set}" = set; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+
-+
-+
-+      ac_ext=cc
-+ac_cpp='$CXXCPP $CPPFLAGS'
-+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
-+
-+      cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+#include <math.h>
-+		      #ifdef HAVE_IEEEFP_H
-+		      #include <ieeefp.h>
-+		      #endif
-+
-+int
-+main ()
-+{
-+ isnan(0);
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext
-+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-+  (eval $ac_compile) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_cxx_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest.$ac_objext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  glibcxx_cv_func_isnan_use=yes
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+glibcxx_cv_func_isnan_use=no
-+fi
-+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
-+      ac_ext=c
-+ac_cpp='$CPP $CPPFLAGS'
-+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_c_compiler_gnu
-+
-+
-+fi
-+
-+  fi
-+  echo "$as_me:$LINENO: result: $glibcxx_cv_func_isnan_use" >&5
-+echo "${ECHO_T}$glibcxx_cv_func_isnan_use" >&6
-+
-+  if test x$glibcxx_cv_func_isnan_use = x"yes"; then
-+
-+for ac_func in isnan
-+do
-+as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh`
-+echo "$as_me:$LINENO: checking for $ac_func" >&5
-+echo $ECHO_N "checking for $ac_func... $ECHO_C" >&6
-+if eval "test \"\${$as_ac_var+set}\" = set"; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+  if test x$gcc_no_link = xyes; then
-+  { { echo "$as_me:$LINENO: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&5
-+echo "$as_me: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&2;}
-+   { (exit 1); exit 1; }; }
-+fi
-+cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+/* Define $ac_func to an innocuous variant, in case <limits.h> declares $ac_func.
-+   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
-+#define $ac_func innocuous_$ac_func
-+
-+/* System header to define __stub macros and hopefully few prototypes,
-+    which can conflict with char $ac_func (); below.
-+    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
-+    <limits.h> exists even on freestanding compilers.  */
-+
-+#ifdef __STDC__
-+# include <limits.h>
-+#else
-+# include <assert.h>
-+#endif
-+
-+#undef $ac_func
-+
-+/* Override any gcc2 internal prototype to avoid an error.  */
-+#ifdef __cplusplus
-+extern "C"
-+{
-+#endif
-+/* We use char because int might match the return type of a gcc2
-+   builtin and then its argument prototype would still apply.  */
-+char $ac_func ();
-+/* The GNU C library defines this for functions which it implements
-+    to always fail with ENOSYS.  Some functions are actually named
-+    something starting with __ and the normal name is an alias.  */
-+#if defined (__stub_$ac_func) || defined (__stub___$ac_func)
-+choke me
-+#else
-+char (*f) () = $ac_func;
-+#endif
-+#ifdef __cplusplus
-+}
-+#endif
-+
-+int
-+main ()
-+{
-+return f != $ac_func;
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext conftest$ac_exeext
-+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-+  (eval $ac_link) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_c_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest$ac_exeext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  eval "$as_ac_var=yes"
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+eval "$as_ac_var=no"
-+fi
-+rm -f conftest.err conftest.$ac_objext \
-+      conftest$ac_exeext conftest.$ac_ext
-+fi
-+echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_var'}'`" >&5
-+echo "${ECHO_T}`eval echo '${'$as_ac_var'}'`" >&6
-+if test `eval echo '${'$as_ac_var'}'` = yes; then
-+  cat >>confdefs.h <<_ACEOF
-+#define `echo "HAVE_$ac_func" | $as_tr_cpp` 1
-+_ACEOF
-+
-+fi
-+done
-+
-+  else
-+
-+  echo "$as_me:$LINENO: checking for _isnan declaration" >&5
-+echo $ECHO_N "checking for _isnan declaration... $ECHO_C" >&6
-+  if test x${glibcxx_cv_func__isnan_use+set} != xset; then
-+    if test "${glibcxx_cv_func__isnan_use+set}" = set; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+
-+
-+
-+      ac_ext=cc
-+ac_cpp='$CXXCPP $CPPFLAGS'
-+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
-+
-+      cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+#include <math.h>
-+		      #ifdef HAVE_IEEEFP_H
-+		      #include <ieeefp.h>
-+		      #endif
-+
-+int
-+main ()
-+{
-+ _isnan(0);
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext
-+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-+  (eval $ac_compile) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_cxx_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest.$ac_objext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  glibcxx_cv_func__isnan_use=yes
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+glibcxx_cv_func__isnan_use=no
-+fi
-+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
-+      ac_ext=c
-+ac_cpp='$CPP $CPPFLAGS'
-+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_c_compiler_gnu
-+
-+
-+fi
-+
-+  fi
-+  echo "$as_me:$LINENO: result: $glibcxx_cv_func__isnan_use" >&5
-+echo "${ECHO_T}$glibcxx_cv_func__isnan_use" >&6
-+
-+    if test x$glibcxx_cv_func__isnan_use = x"yes"; then
-+
-+for ac_func in _isnan
-+do
-+as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh`
-+echo "$as_me:$LINENO: checking for $ac_func" >&5
-+echo $ECHO_N "checking for $ac_func... $ECHO_C" >&6
-+if eval "test \"\${$as_ac_var+set}\" = set"; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+  if test x$gcc_no_link = xyes; then
-+  { { echo "$as_me:$LINENO: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&5
-+echo "$as_me: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&2;}
-+   { (exit 1); exit 1; }; }
-+fi
-+cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+/* Define $ac_func to an innocuous variant, in case <limits.h> declares $ac_func.
-+   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
-+#define $ac_func innocuous_$ac_func
-+
-+/* System header to define __stub macros and hopefully few prototypes,
-+    which can conflict with char $ac_func (); below.
-+    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
-+    <limits.h> exists even on freestanding compilers.  */
-+
-+#ifdef __STDC__
-+# include <limits.h>
-+#else
-+# include <assert.h>
-+#endif
-+
-+#undef $ac_func
-+
-+/* Override any gcc2 internal prototype to avoid an error.  */
-+#ifdef __cplusplus
-+extern "C"
-+{
-+#endif
-+/* We use char because int might match the return type of a gcc2
-+   builtin and then its argument prototype would still apply.  */
-+char $ac_func ();
-+/* The GNU C library defines this for functions which it implements
-+    to always fail with ENOSYS.  Some functions are actually named
-+    something starting with __ and the normal name is an alias.  */
-+#if defined (__stub_$ac_func) || defined (__stub___$ac_func)
-+choke me
-+#else
-+char (*f) () = $ac_func;
-+#endif
-+#ifdef __cplusplus
-+}
-+#endif
-+
-+int
-+main ()
-+{
-+return f != $ac_func;
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext conftest$ac_exeext
-+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-+  (eval $ac_link) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_c_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest$ac_exeext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  eval "$as_ac_var=yes"
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+eval "$as_ac_var=no"
-+fi
-+rm -f conftest.err conftest.$ac_objext \
-+      conftest$ac_exeext conftest.$ac_ext
-+fi
-+echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_var'}'`" >&5
-+echo "${ECHO_T}`eval echo '${'$as_ac_var'}'`" >&6
-+if test `eval echo '${'$as_ac_var'}'` = yes; then
-+  cat >>confdefs.h <<_ACEOF
-+#define `echo "HAVE_$ac_func" | $as_tr_cpp` 1
-+_ACEOF
-+
-+fi
-+done
-+
-+    fi
-+  fi
-+
-+
-+
-+  echo "$as_me:$LINENO: checking for finite declaration" >&5
-+echo $ECHO_N "checking for finite declaration... $ECHO_C" >&6
-+  if test x${glibcxx_cv_func_finite_use+set} != xset; then
-+    if test "${glibcxx_cv_func_finite_use+set}" = set; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+
-+
-+
-+      ac_ext=cc
-+ac_cpp='$CXXCPP $CPPFLAGS'
-+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
-+
-+      cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+#include <math.h>
-+		      #ifdef HAVE_IEEEFP_H
-+		      #include <ieeefp.h>
-+		      #endif
-+
-+int
-+main ()
-+{
-+ finite(0);
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext
-+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-+  (eval $ac_compile) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_cxx_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest.$ac_objext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  glibcxx_cv_func_finite_use=yes
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+glibcxx_cv_func_finite_use=no
-+fi
-+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
-+      ac_ext=c
-+ac_cpp='$CPP $CPPFLAGS'
-+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_c_compiler_gnu
-+
-+
-+fi
-+
-+  fi
-+  echo "$as_me:$LINENO: result: $glibcxx_cv_func_finite_use" >&5
-+echo "${ECHO_T}$glibcxx_cv_func_finite_use" >&6
-+
-+  if test x$glibcxx_cv_func_finite_use = x"yes"; then
-+
-+for ac_func in finite
-+do
-+as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh`
-+echo "$as_me:$LINENO: checking for $ac_func" >&5
-+echo $ECHO_N "checking for $ac_func... $ECHO_C" >&6
-+if eval "test \"\${$as_ac_var+set}\" = set"; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+  if test x$gcc_no_link = xyes; then
-+  { { echo "$as_me:$LINENO: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&5
-+echo "$as_me: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&2;}
-+   { (exit 1); exit 1; }; }
-+fi
-+cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+/* Define $ac_func to an innocuous variant, in case <limits.h> declares $ac_func.
-+   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
-+#define $ac_func innocuous_$ac_func
-+
-+/* System header to define __stub macros and hopefully few prototypes,
-+    which can conflict with char $ac_func (); below.
-+    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
-+    <limits.h> exists even on freestanding compilers.  */
-+
-+#ifdef __STDC__
-+# include <limits.h>
-+#else
-+# include <assert.h>
-+#endif
-+
-+#undef $ac_func
-+
-+/* Override any gcc2 internal prototype to avoid an error.  */
-+#ifdef __cplusplus
-+extern "C"
-+{
-+#endif
-+/* We use char because int might match the return type of a gcc2
-+   builtin and then its argument prototype would still apply.  */
-+char $ac_func ();
-+/* The GNU C library defines this for functions which it implements
-+    to always fail with ENOSYS.  Some functions are actually named
-+    something starting with __ and the normal name is an alias.  */
-+#if defined (__stub_$ac_func) || defined (__stub___$ac_func)
-+choke me
-+#else
-+char (*f) () = $ac_func;
-+#endif
-+#ifdef __cplusplus
-+}
-+#endif
-+
-+int
-+main ()
-+{
-+return f != $ac_func;
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext conftest$ac_exeext
-+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-+  (eval $ac_link) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_c_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest$ac_exeext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  eval "$as_ac_var=yes"
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+eval "$as_ac_var=no"
-+fi
-+rm -f conftest.err conftest.$ac_objext \
-+      conftest$ac_exeext conftest.$ac_ext
-+fi
-+echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_var'}'`" >&5
-+echo "${ECHO_T}`eval echo '${'$as_ac_var'}'`" >&6
-+if test `eval echo '${'$as_ac_var'}'` = yes; then
-+  cat >>confdefs.h <<_ACEOF
-+#define `echo "HAVE_$ac_func" | $as_tr_cpp` 1
-+_ACEOF
-+
-+fi
-+done
-+
-+  else
-+
-+  echo "$as_me:$LINENO: checking for _finite declaration" >&5
-+echo $ECHO_N "checking for _finite declaration... $ECHO_C" >&6
-+  if test x${glibcxx_cv_func__finite_use+set} != xset; then
-+    if test "${glibcxx_cv_func__finite_use+set}" = set; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+
-+
-+
-+      ac_ext=cc
-+ac_cpp='$CXXCPP $CPPFLAGS'
-+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
-+
-+      cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+#include <math.h>
-+		      #ifdef HAVE_IEEEFP_H
-+		      #include <ieeefp.h>
-+		      #endif
-+
-+int
-+main ()
-+{
-+ _finite(0);
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext
-+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-+  (eval $ac_compile) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_cxx_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest.$ac_objext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  glibcxx_cv_func__finite_use=yes
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+glibcxx_cv_func__finite_use=no
-+fi
-+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
-+      ac_ext=c
-+ac_cpp='$CPP $CPPFLAGS'
-+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_c_compiler_gnu
-+
-+
-+fi
-+
-+  fi
-+  echo "$as_me:$LINENO: result: $glibcxx_cv_func__finite_use" >&5
-+echo "${ECHO_T}$glibcxx_cv_func__finite_use" >&6
-+
-+    if test x$glibcxx_cv_func__finite_use = x"yes"; then
-+
-+for ac_func in _finite
-+do
-+as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh`
-+echo "$as_me:$LINENO: checking for $ac_func" >&5
-+echo $ECHO_N "checking for $ac_func... $ECHO_C" >&6
-+if eval "test \"\${$as_ac_var+set}\" = set"; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+  if test x$gcc_no_link = xyes; then
-+  { { echo "$as_me:$LINENO: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&5
-+echo "$as_me: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&2;}
-+   { (exit 1); exit 1; }; }
-+fi
-+cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+/* Define $ac_func to an innocuous variant, in case <limits.h> declares $ac_func.
-+   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
-+#define $ac_func innocuous_$ac_func
-+
-+/* System header to define __stub macros and hopefully few prototypes,
-+    which can conflict with char $ac_func (); below.
-+    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
-+    <limits.h> exists even on freestanding compilers.  */
-+
-+#ifdef __STDC__
-+# include <limits.h>
-+#else
-+# include <assert.h>
-+#endif
-+
-+#undef $ac_func
-+
-+/* Override any gcc2 internal prototype to avoid an error.  */
-+#ifdef __cplusplus
-+extern "C"
-+{
-+#endif
-+/* We use char because int might match the return type of a gcc2
-+   builtin and then its argument prototype would still apply.  */
-+char $ac_func ();
-+/* The GNU C library defines this for functions which it implements
-+    to always fail with ENOSYS.  Some functions are actually named
-+    something starting with __ and the normal name is an alias.  */
-+#if defined (__stub_$ac_func) || defined (__stub___$ac_func)
-+choke me
-+#else
-+char (*f) () = $ac_func;
-+#endif
-+#ifdef __cplusplus
-+}
-+#endif
-+
-+int
-+main ()
-+{
-+return f != $ac_func;
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext conftest$ac_exeext
-+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-+  (eval $ac_link) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_c_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest$ac_exeext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  eval "$as_ac_var=yes"
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+eval "$as_ac_var=no"
-+fi
-+rm -f conftest.err conftest.$ac_objext \
-+      conftest$ac_exeext conftest.$ac_ext
-+fi
-+echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_var'}'`" >&5
-+echo "${ECHO_T}`eval echo '${'$as_ac_var'}'`" >&6
-+if test `eval echo '${'$as_ac_var'}'` = yes; then
-+  cat >>confdefs.h <<_ACEOF
-+#define `echo "HAVE_$ac_func" | $as_tr_cpp` 1
-+_ACEOF
-+
-+fi
-+done
-+
-+    fi
-+  fi
-+
-+
-+
-+  echo "$as_me:$LINENO: checking for copysign declaration" >&5
-+echo $ECHO_N "checking for copysign declaration... $ECHO_C" >&6
-+  if test x${glibcxx_cv_func_copysign_use+set} != xset; then
-+    if test "${glibcxx_cv_func_copysign_use+set}" = set; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+
-+
-+
-+      ac_ext=cc
-+ac_cpp='$CXXCPP $CPPFLAGS'
-+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
-+
-+      cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+#include <math.h>
-+int
-+main ()
-+{
-+ copysign(0, 0);
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext
-+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-+  (eval $ac_compile) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_cxx_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest.$ac_objext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  glibcxx_cv_func_copysign_use=yes
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+glibcxx_cv_func_copysign_use=no
-+fi
-+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
-+      ac_ext=c
-+ac_cpp='$CPP $CPPFLAGS'
-+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_c_compiler_gnu
-+
-+
-+fi
-+
-+  fi
-+  echo "$as_me:$LINENO: result: $glibcxx_cv_func_copysign_use" >&5
-+echo "${ECHO_T}$glibcxx_cv_func_copysign_use" >&6
-+
-+  if test x$glibcxx_cv_func_copysign_use = x"yes"; then
-+
-+for ac_func in copysign
-+do
-+as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh`
-+echo "$as_me:$LINENO: checking for $ac_func" >&5
-+echo $ECHO_N "checking for $ac_func... $ECHO_C" >&6
-+if eval "test \"\${$as_ac_var+set}\" = set"; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+  if test x$gcc_no_link = xyes; then
-+  { { echo "$as_me:$LINENO: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&5
-+echo "$as_me: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&2;}
-+   { (exit 1); exit 1; }; }
-+fi
-+cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+/* Define $ac_func to an innocuous variant, in case <limits.h> declares $ac_func.
-+   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
-+#define $ac_func innocuous_$ac_func
-+
-+/* System header to define __stub macros and hopefully few prototypes,
-+    which can conflict with char $ac_func (); below.
-+    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
-+    <limits.h> exists even on freestanding compilers.  */
-+
-+#ifdef __STDC__
-+# include <limits.h>
-+#else
-+# include <assert.h>
-+#endif
-+
-+#undef $ac_func
-+
-+/* Override any gcc2 internal prototype to avoid an error.  */
-+#ifdef __cplusplus
-+extern "C"
-+{
-+#endif
-+/* We use char because int might match the return type of a gcc2
-+   builtin and then its argument prototype would still apply.  */
-+char $ac_func ();
-+/* The GNU C library defines this for functions which it implements
-+    to always fail with ENOSYS.  Some functions are actually named
-+    something starting with __ and the normal name is an alias.  */
-+#if defined (__stub_$ac_func) || defined (__stub___$ac_func)
-+choke me
-+#else
-+char (*f) () = $ac_func;
-+#endif
-+#ifdef __cplusplus
-+}
-+#endif
-+
-+int
-+main ()
-+{
-+return f != $ac_func;
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext conftest$ac_exeext
-+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-+  (eval $ac_link) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_c_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest$ac_exeext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  eval "$as_ac_var=yes"
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+eval "$as_ac_var=no"
-+fi
-+rm -f conftest.err conftest.$ac_objext \
-+      conftest$ac_exeext conftest.$ac_ext
-+fi
-+echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_var'}'`" >&5
-+echo "${ECHO_T}`eval echo '${'$as_ac_var'}'`" >&6
-+if test `eval echo '${'$as_ac_var'}'` = yes; then
-+  cat >>confdefs.h <<_ACEOF
-+#define `echo "HAVE_$ac_func" | $as_tr_cpp` 1
-+_ACEOF
-+
-+fi
-+done
-+
-+  else
-+
-+  echo "$as_me:$LINENO: checking for _copysign declaration" >&5
-+echo $ECHO_N "checking for _copysign declaration... $ECHO_C" >&6
-+  if test x${glibcxx_cv_func__copysign_use+set} != xset; then
-+    if test "${glibcxx_cv_func__copysign_use+set}" = set; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+
-+
-+
-+      ac_ext=cc
-+ac_cpp='$CXXCPP $CPPFLAGS'
-+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
-+
-+      cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+#include <math.h>
-+int
-+main ()
-+{
-+ _copysign(0, 0);
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext
-+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-+  (eval $ac_compile) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_cxx_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest.$ac_objext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  glibcxx_cv_func__copysign_use=yes
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+glibcxx_cv_func__copysign_use=no
-+fi
-+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
-+      ac_ext=c
-+ac_cpp='$CPP $CPPFLAGS'
-+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_c_compiler_gnu
-+
-+
-+fi
-+
-+  fi
-+  echo "$as_me:$LINENO: result: $glibcxx_cv_func__copysign_use" >&5
-+echo "${ECHO_T}$glibcxx_cv_func__copysign_use" >&6
-+
-+    if test x$glibcxx_cv_func__copysign_use = x"yes"; then
-+
-+for ac_func in _copysign
-+do
-+as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh`
-+echo "$as_me:$LINENO: checking for $ac_func" >&5
-+echo $ECHO_N "checking for $ac_func... $ECHO_C" >&6
-+if eval "test \"\${$as_ac_var+set}\" = set"; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+  if test x$gcc_no_link = xyes; then
-+  { { echo "$as_me:$LINENO: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&5
-+echo "$as_me: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&2;}
-+   { (exit 1); exit 1; }; }
-+fi
-+cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+/* Define $ac_func to an innocuous variant, in case <limits.h> declares $ac_func.
-+   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
-+#define $ac_func innocuous_$ac_func
-+
-+/* System header to define __stub macros and hopefully few prototypes,
-+    which can conflict with char $ac_func (); below.
-+    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
-+    <limits.h> exists even on freestanding compilers.  */
-+
-+#ifdef __STDC__
-+# include <limits.h>
-+#else
-+# include <assert.h>
-+#endif
-+
-+#undef $ac_func
-+
-+/* Override any gcc2 internal prototype to avoid an error.  */
-+#ifdef __cplusplus
-+extern "C"
-+{
-+#endif
-+/* We use char because int might match the return type of a gcc2
-+   builtin and then its argument prototype would still apply.  */
-+char $ac_func ();
-+/* The GNU C library defines this for functions which it implements
-+    to always fail with ENOSYS.  Some functions are actually named
-+    something starting with __ and the normal name is an alias.  */
-+#if defined (__stub_$ac_func) || defined (__stub___$ac_func)
-+choke me
-+#else
-+char (*f) () = $ac_func;
-+#endif
-+#ifdef __cplusplus
-+}
-+#endif
-+
-+int
-+main ()
-+{
-+return f != $ac_func;
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext conftest$ac_exeext
-+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-+  (eval $ac_link) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_c_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest$ac_exeext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  eval "$as_ac_var=yes"
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+eval "$as_ac_var=no"
-+fi
-+rm -f conftest.err conftest.$ac_objext \
-+      conftest$ac_exeext conftest.$ac_ext
-+fi
-+echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_var'}'`" >&5
-+echo "${ECHO_T}`eval echo '${'$as_ac_var'}'`" >&6
-+if test `eval echo '${'$as_ac_var'}'` = yes; then
-+  cat >>confdefs.h <<_ACEOF
-+#define `echo "HAVE_$ac_func" | $as_tr_cpp` 1
-+_ACEOF
-+
-+fi
-+done
-+
-+    fi
-+  fi
-+
-+
-+
-+  echo "$as_me:$LINENO: checking for sincos declaration" >&5
-+echo $ECHO_N "checking for sincos declaration... $ECHO_C" >&6
-+  if test x${glibcxx_cv_func_sincos_use+set} != xset; then
-+    if test "${glibcxx_cv_func_sincos_use+set}" = set; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+
-+
-+
-+      ac_ext=cc
-+ac_cpp='$CXXCPP $CPPFLAGS'
-+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
-+
-+      cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+#include <math.h>
-+int
-+main ()
-+{
-+ sincos(0, 0, 0);
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext
-+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-+  (eval $ac_compile) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_cxx_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest.$ac_objext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  glibcxx_cv_func_sincos_use=yes
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+glibcxx_cv_func_sincos_use=no
-+fi
-+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
-+      ac_ext=c
-+ac_cpp='$CPP $CPPFLAGS'
-+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_c_compiler_gnu
-+
-+
-+fi
-+
-+  fi
-+  echo "$as_me:$LINENO: result: $glibcxx_cv_func_sincos_use" >&5
-+echo "${ECHO_T}$glibcxx_cv_func_sincos_use" >&6
-+
-+  if test x$glibcxx_cv_func_sincos_use = x"yes"; then
-+
-+for ac_func in sincos
-+do
-+as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh`
-+echo "$as_me:$LINENO: checking for $ac_func" >&5
-+echo $ECHO_N "checking for $ac_func... $ECHO_C" >&6
-+if eval "test \"\${$as_ac_var+set}\" = set"; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+  if test x$gcc_no_link = xyes; then
-+  { { echo "$as_me:$LINENO: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&5
-+echo "$as_me: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&2;}
-+   { (exit 1); exit 1; }; }
-+fi
-+cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+/* Define $ac_func to an innocuous variant, in case <limits.h> declares $ac_func.
-+   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
-+#define $ac_func innocuous_$ac_func
-+
-+/* System header to define __stub macros and hopefully few prototypes,
-+    which can conflict with char $ac_func (); below.
-+    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
-+    <limits.h> exists even on freestanding compilers.  */
-+
-+#ifdef __STDC__
-+# include <limits.h>
-+#else
-+# include <assert.h>
-+#endif
-+
-+#undef $ac_func
-+
-+/* Override any gcc2 internal prototype to avoid an error.  */
-+#ifdef __cplusplus
-+extern "C"
-+{
-+#endif
-+/* We use char because int might match the return type of a gcc2
-+   builtin and then its argument prototype would still apply.  */
-+char $ac_func ();
-+/* The GNU C library defines this for functions which it implements
-+    to always fail with ENOSYS.  Some functions are actually named
-+    something starting with __ and the normal name is an alias.  */
-+#if defined (__stub_$ac_func) || defined (__stub___$ac_func)
-+choke me
-+#else
-+char (*f) () = $ac_func;
-+#endif
-+#ifdef __cplusplus
-+}
-+#endif
-+
-+int
-+main ()
-+{
-+return f != $ac_func;
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext conftest$ac_exeext
-+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-+  (eval $ac_link) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_c_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest$ac_exeext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  eval "$as_ac_var=yes"
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+eval "$as_ac_var=no"
-+fi
-+rm -f conftest.err conftest.$ac_objext \
-+      conftest$ac_exeext conftest.$ac_ext
-+fi
-+echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_var'}'`" >&5
-+echo "${ECHO_T}`eval echo '${'$as_ac_var'}'`" >&6
-+if test `eval echo '${'$as_ac_var'}'` = yes; then
-+  cat >>confdefs.h <<_ACEOF
-+#define `echo "HAVE_$ac_func" | $as_tr_cpp` 1
-+_ACEOF
-+
-+fi
-+done
-+
-+  else
-+
-+  echo "$as_me:$LINENO: checking for _sincos declaration" >&5
-+echo $ECHO_N "checking for _sincos declaration... $ECHO_C" >&6
-+  if test x${glibcxx_cv_func__sincos_use+set} != xset; then
-+    if test "${glibcxx_cv_func__sincos_use+set}" = set; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+
-+
-+
-+      ac_ext=cc
-+ac_cpp='$CXXCPP $CPPFLAGS'
-+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
-+
-+      cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+#include <math.h>
-+int
-+main ()
-+{
-+ _sincos(0, 0, 0);
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext
-+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-+  (eval $ac_compile) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_cxx_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest.$ac_objext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  glibcxx_cv_func__sincos_use=yes
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+glibcxx_cv_func__sincos_use=no
-+fi
-+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
-+      ac_ext=c
-+ac_cpp='$CPP $CPPFLAGS'
-+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_c_compiler_gnu
-+
-+
-+fi
-+
-+  fi
-+  echo "$as_me:$LINENO: result: $glibcxx_cv_func__sincos_use" >&5
-+echo "${ECHO_T}$glibcxx_cv_func__sincos_use" >&6
-+
-+    if test x$glibcxx_cv_func__sincos_use = x"yes"; then
-+
-+for ac_func in _sincos
-+do
-+as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh`
-+echo "$as_me:$LINENO: checking for $ac_func" >&5
-+echo $ECHO_N "checking for $ac_func... $ECHO_C" >&6
-+if eval "test \"\${$as_ac_var+set}\" = set"; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+  if test x$gcc_no_link = xyes; then
-+  { { echo "$as_me:$LINENO: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&5
-+echo "$as_me: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&2;}
-+   { (exit 1); exit 1; }; }
-+fi
-+cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+/* Define $ac_func to an innocuous variant, in case <limits.h> declares $ac_func.
-+   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
-+#define $ac_func innocuous_$ac_func
-+
-+/* System header to define __stub macros and hopefully few prototypes,
-+    which can conflict with char $ac_func (); below.
-+    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
-+    <limits.h> exists even on freestanding compilers.  */
-+
-+#ifdef __STDC__
-+# include <limits.h>
-+#else
-+# include <assert.h>
-+#endif
-+
-+#undef $ac_func
-+
-+/* Override any gcc2 internal prototype to avoid an error.  */
-+#ifdef __cplusplus
-+extern "C"
-+{
-+#endif
-+/* We use char because int might match the return type of a gcc2
-+   builtin and then its argument prototype would still apply.  */
-+char $ac_func ();
-+/* The GNU C library defines this for functions which it implements
-+    to always fail with ENOSYS.  Some functions are actually named
-+    something starting with __ and the normal name is an alias.  */
-+#if defined (__stub_$ac_func) || defined (__stub___$ac_func)
-+choke me
-+#else
-+char (*f) () = $ac_func;
-+#endif
-+#ifdef __cplusplus
-+}
-+#endif
-+
-+int
-+main ()
-+{
-+return f != $ac_func;
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext conftest$ac_exeext
-+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-+  (eval $ac_link) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_c_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest$ac_exeext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  eval "$as_ac_var=yes"
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+eval "$as_ac_var=no"
-+fi
-+rm -f conftest.err conftest.$ac_objext \
-+      conftest$ac_exeext conftest.$ac_ext
-+fi
-+echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_var'}'`" >&5
-+echo "${ECHO_T}`eval echo '${'$as_ac_var'}'`" >&6
-+if test `eval echo '${'$as_ac_var'}'` = yes; then
-+  cat >>confdefs.h <<_ACEOF
-+#define `echo "HAVE_$ac_func" | $as_tr_cpp` 1
-+_ACEOF
-+
-+fi
-+done
-+
-+    fi
-+  fi
-+
-+
-+
-+  echo "$as_me:$LINENO: checking for fpclass declaration" >&5
-+echo $ECHO_N "checking for fpclass declaration... $ECHO_C" >&6
-+  if test x${glibcxx_cv_func_fpclass_use+set} != xset; then
-+    if test "${glibcxx_cv_func_fpclass_use+set}" = set; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+
-+
-+
-+      ac_ext=cc
-+ac_cpp='$CXXCPP $CPPFLAGS'
-+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
-+
-+      cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+#include <math.h>
-+		      #ifdef HAVE_IEEEFP_H
-+		      #include <ieeefp.h>
-+		      #endif
-+
-+int
-+main ()
-+{
-+ fpclass(0);
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext
-+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-+  (eval $ac_compile) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_cxx_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest.$ac_objext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  glibcxx_cv_func_fpclass_use=yes
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+glibcxx_cv_func_fpclass_use=no
-+fi
-+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
-+      ac_ext=c
-+ac_cpp='$CPP $CPPFLAGS'
-+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_c_compiler_gnu
-+
-+
-+fi
-+
-+  fi
-+  echo "$as_me:$LINENO: result: $glibcxx_cv_func_fpclass_use" >&5
-+echo "${ECHO_T}$glibcxx_cv_func_fpclass_use" >&6
-+
-+  if test x$glibcxx_cv_func_fpclass_use = x"yes"; then
-+
-+for ac_func in fpclass
-+do
-+as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh`
-+echo "$as_me:$LINENO: checking for $ac_func" >&5
-+echo $ECHO_N "checking for $ac_func... $ECHO_C" >&6
-+if eval "test \"\${$as_ac_var+set}\" = set"; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+  if test x$gcc_no_link = xyes; then
-+  { { echo "$as_me:$LINENO: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&5
-+echo "$as_me: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&2;}
-+   { (exit 1); exit 1; }; }
-+fi
-+cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+/* Define $ac_func to an innocuous variant, in case <limits.h> declares $ac_func.
-+   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
-+#define $ac_func innocuous_$ac_func
-+
-+/* System header to define __stub macros and hopefully few prototypes,
-+    which can conflict with char $ac_func (); below.
-+    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
-+    <limits.h> exists even on freestanding compilers.  */
-+
-+#ifdef __STDC__
-+# include <limits.h>
-+#else
-+# include <assert.h>
-+#endif
-+
-+#undef $ac_func
-+
-+/* Override any gcc2 internal prototype to avoid an error.  */
-+#ifdef __cplusplus
-+extern "C"
-+{
-+#endif
-+/* We use char because int might match the return type of a gcc2
-+   builtin and then its argument prototype would still apply.  */
-+char $ac_func ();
-+/* The GNU C library defines this for functions which it implements
-+    to always fail with ENOSYS.  Some functions are actually named
-+    something starting with __ and the normal name is an alias.  */
-+#if defined (__stub_$ac_func) || defined (__stub___$ac_func)
-+choke me
-+#else
-+char (*f) () = $ac_func;
-+#endif
-+#ifdef __cplusplus
-+}
-+#endif
-+
-+int
-+main ()
-+{
-+return f != $ac_func;
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext conftest$ac_exeext
-+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-+  (eval $ac_link) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_c_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest$ac_exeext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  eval "$as_ac_var=yes"
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+eval "$as_ac_var=no"
-+fi
-+rm -f conftest.err conftest.$ac_objext \
-+      conftest$ac_exeext conftest.$ac_ext
-+fi
-+echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_var'}'`" >&5
-+echo "${ECHO_T}`eval echo '${'$as_ac_var'}'`" >&6
-+if test `eval echo '${'$as_ac_var'}'` = yes; then
-+  cat >>confdefs.h <<_ACEOF
-+#define `echo "HAVE_$ac_func" | $as_tr_cpp` 1
-+_ACEOF
-+
-+fi
-+done
-+
-+  else
-+
-+  echo "$as_me:$LINENO: checking for _fpclass declaration" >&5
-+echo $ECHO_N "checking for _fpclass declaration... $ECHO_C" >&6
-+  if test x${glibcxx_cv_func__fpclass_use+set} != xset; then
-+    if test "${glibcxx_cv_func__fpclass_use+set}" = set; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+
-+
-+
-+      ac_ext=cc
-+ac_cpp='$CXXCPP $CPPFLAGS'
-+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
-+
-+      cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+#include <math.h>
-+		      #ifdef HAVE_IEEEFP_H
-+		      #include <ieeefp.h>
-+		      #endif
-+
-+int
-+main ()
-+{
-+ _fpclass(0);
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext
-+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-+  (eval $ac_compile) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_cxx_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest.$ac_objext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  glibcxx_cv_func__fpclass_use=yes
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+glibcxx_cv_func__fpclass_use=no
-+fi
-+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
-+      ac_ext=c
-+ac_cpp='$CPP $CPPFLAGS'
-+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_c_compiler_gnu
-+
-+
-+fi
-+
-+  fi
-+  echo "$as_me:$LINENO: result: $glibcxx_cv_func__fpclass_use" >&5
-+echo "${ECHO_T}$glibcxx_cv_func__fpclass_use" >&6
-+
-+    if test x$glibcxx_cv_func__fpclass_use = x"yes"; then
-+
-+for ac_func in _fpclass
-+do
-+as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh`
-+echo "$as_me:$LINENO: checking for $ac_func" >&5
-+echo $ECHO_N "checking for $ac_func... $ECHO_C" >&6
-+if eval "test \"\${$as_ac_var+set}\" = set"; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+  if test x$gcc_no_link = xyes; then
-+  { { echo "$as_me:$LINENO: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&5
-+echo "$as_me: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&2;}
-+   { (exit 1); exit 1; }; }
-+fi
-+cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+/* Define $ac_func to an innocuous variant, in case <limits.h> declares $ac_func.
-+   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
-+#define $ac_func innocuous_$ac_func
-+
-+/* System header to define __stub macros and hopefully few prototypes,
-+    which can conflict with char $ac_func (); below.
-+    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
-+    <limits.h> exists even on freestanding compilers.  */
-+
-+#ifdef __STDC__
-+# include <limits.h>
-+#else
-+# include <assert.h>
-+#endif
-+
-+#undef $ac_func
-+
-+/* Override any gcc2 internal prototype to avoid an error.  */
-+#ifdef __cplusplus
-+extern "C"
-+{
-+#endif
-+/* We use char because int might match the return type of a gcc2
-+   builtin and then its argument prototype would still apply.  */
-+char $ac_func ();
-+/* The GNU C library defines this for functions which it implements
-+    to always fail with ENOSYS.  Some functions are actually named
-+    something starting with __ and the normal name is an alias.  */
-+#if defined (__stub_$ac_func) || defined (__stub___$ac_func)
-+choke me
-+#else
-+char (*f) () = $ac_func;
-+#endif
-+#ifdef __cplusplus
-+}
-+#endif
-+
-+int
-+main ()
-+{
-+return f != $ac_func;
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext conftest$ac_exeext
-+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-+  (eval $ac_link) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_c_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest$ac_exeext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  eval "$as_ac_var=yes"
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+eval "$as_ac_var=no"
-+fi
-+rm -f conftest.err conftest.$ac_objext \
-+      conftest$ac_exeext conftest.$ac_ext
-+fi
-+echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_var'}'`" >&5
-+echo "${ECHO_T}`eval echo '${'$as_ac_var'}'`" >&6
-+if test `eval echo '${'$as_ac_var'}'` = yes; then
-+  cat >>confdefs.h <<_ACEOF
-+#define `echo "HAVE_$ac_func" | $as_tr_cpp` 1
-+_ACEOF
-+
-+fi
-+done
-+
-+    fi
-+  fi
-+
-+
-+
-+  echo "$as_me:$LINENO: checking for qfpclass declaration" >&5
-+echo $ECHO_N "checking for qfpclass declaration... $ECHO_C" >&6
-+  if test x${glibcxx_cv_func_qfpclass_use+set} != xset; then
-+    if test "${glibcxx_cv_func_qfpclass_use+set}" = set; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+
-+
-+
-+      ac_ext=cc
-+ac_cpp='$CXXCPP $CPPFLAGS'
-+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
-+
-+      cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+#include <math.h>
-+		      #ifdef HAVE_IEEEFP_H
-+		      #include <ieeefp.h>
-+		      #endif
-+
-+int
-+main ()
-+{
-+ qfpclass(0);
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext
-+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-+  (eval $ac_compile) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_cxx_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest.$ac_objext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  glibcxx_cv_func_qfpclass_use=yes
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+glibcxx_cv_func_qfpclass_use=no
-+fi
-+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
-+      ac_ext=c
-+ac_cpp='$CPP $CPPFLAGS'
-+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_c_compiler_gnu
-+
-+
-+fi
-+
-+  fi
-+  echo "$as_me:$LINENO: result: $glibcxx_cv_func_qfpclass_use" >&5
-+echo "${ECHO_T}$glibcxx_cv_func_qfpclass_use" >&6
-+
-+  if test x$glibcxx_cv_func_qfpclass_use = x"yes"; then
-+
-+for ac_func in qfpclass
-+do
-+as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh`
-+echo "$as_me:$LINENO: checking for $ac_func" >&5
-+echo $ECHO_N "checking for $ac_func... $ECHO_C" >&6
-+if eval "test \"\${$as_ac_var+set}\" = set"; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+  if test x$gcc_no_link = xyes; then
-+  { { echo "$as_me:$LINENO: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&5
-+echo "$as_me: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&2;}
-+   { (exit 1); exit 1; }; }
-+fi
-+cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+/* Define $ac_func to an innocuous variant, in case <limits.h> declares $ac_func.
-+   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
-+#define $ac_func innocuous_$ac_func
-+
-+/* System header to define __stub macros and hopefully few prototypes,
-+    which can conflict with char $ac_func (); below.
-+    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
-+    <limits.h> exists even on freestanding compilers.  */
-+
-+#ifdef __STDC__
-+# include <limits.h>
-+#else
-+# include <assert.h>
-+#endif
-+
-+#undef $ac_func
-+
-+/* Override any gcc2 internal prototype to avoid an error.  */
-+#ifdef __cplusplus
-+extern "C"
-+{
-+#endif
-+/* We use char because int might match the return type of a gcc2
-+   builtin and then its argument prototype would still apply.  */
-+char $ac_func ();
-+/* The GNU C library defines this for functions which it implements
-+    to always fail with ENOSYS.  Some functions are actually named
-+    something starting with __ and the normal name is an alias.  */
-+#if defined (__stub_$ac_func) || defined (__stub___$ac_func)
-+choke me
-+#else
-+char (*f) () = $ac_func;
-+#endif
-+#ifdef __cplusplus
-+}
-+#endif
-+
-+int
-+main ()
-+{
-+return f != $ac_func;
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext conftest$ac_exeext
-+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-+  (eval $ac_link) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_c_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest$ac_exeext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  eval "$as_ac_var=yes"
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+eval "$as_ac_var=no"
-+fi
-+rm -f conftest.err conftest.$ac_objext \
-+      conftest$ac_exeext conftest.$ac_ext
-+fi
-+echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_var'}'`" >&5
-+echo "${ECHO_T}`eval echo '${'$as_ac_var'}'`" >&6
-+if test `eval echo '${'$as_ac_var'}'` = yes; then
-+  cat >>confdefs.h <<_ACEOF
-+#define `echo "HAVE_$ac_func" | $as_tr_cpp` 1
-+_ACEOF
-+
-+fi
-+done
-+
-+  else
-+
-+  echo "$as_me:$LINENO: checking for _qfpclass declaration" >&5
-+echo $ECHO_N "checking for _qfpclass declaration... $ECHO_C" >&6
-+  if test x${glibcxx_cv_func__qfpclass_use+set} != xset; then
-+    if test "${glibcxx_cv_func__qfpclass_use+set}" = set; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+
-+
-+
-+      ac_ext=cc
-+ac_cpp='$CXXCPP $CPPFLAGS'
-+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
-+
-+      cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+#include <math.h>
-+		      #ifdef HAVE_IEEEFP_H
-+		      #include <ieeefp.h>
-+		      #endif
-+
-+int
-+main ()
-+{
-+ _qfpclass(0);
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext
-+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-+  (eval $ac_compile) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_cxx_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest.$ac_objext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  glibcxx_cv_func__qfpclass_use=yes
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+glibcxx_cv_func__qfpclass_use=no
-+fi
-+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
-+      ac_ext=c
-+ac_cpp='$CPP $CPPFLAGS'
-+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_c_compiler_gnu
-+
-+
-+fi
-+
-+  fi
-+  echo "$as_me:$LINENO: result: $glibcxx_cv_func__qfpclass_use" >&5
-+echo "${ECHO_T}$glibcxx_cv_func__qfpclass_use" >&6
-+
-+    if test x$glibcxx_cv_func__qfpclass_use = x"yes"; then
-+
-+for ac_func in _qfpclass
-+do
-+as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh`
-+echo "$as_me:$LINENO: checking for $ac_func" >&5
-+echo $ECHO_N "checking for $ac_func... $ECHO_C" >&6
-+if eval "test \"\${$as_ac_var+set}\" = set"; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+  if test x$gcc_no_link = xyes; then
-+  { { echo "$as_me:$LINENO: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&5
-+echo "$as_me: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&2;}
-+   { (exit 1); exit 1; }; }
-+fi
-+cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+/* Define $ac_func to an innocuous variant, in case <limits.h> declares $ac_func.
-+   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
-+#define $ac_func innocuous_$ac_func
-+
-+/* System header to define __stub macros and hopefully few prototypes,
-+    which can conflict with char $ac_func (); below.
-+    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
-+    <limits.h> exists even on freestanding compilers.  */
-+
-+#ifdef __STDC__
-+# include <limits.h>
-+#else
-+# include <assert.h>
-+#endif
-+
-+#undef $ac_func
-+
-+/* Override any gcc2 internal prototype to avoid an error.  */
-+#ifdef __cplusplus
-+extern "C"
-+{
-+#endif
-+/* We use char because int might match the return type of a gcc2
-+   builtin and then its argument prototype would still apply.  */
-+char $ac_func ();
-+/* The GNU C library defines this for functions which it implements
-+    to always fail with ENOSYS.  Some functions are actually named
-+    something starting with __ and the normal name is an alias.  */
-+#if defined (__stub_$ac_func) || defined (__stub___$ac_func)
-+choke me
-+#else
-+char (*f) () = $ac_func;
-+#endif
-+#ifdef __cplusplus
-+}
-+#endif
-+
-+int
-+main ()
-+{
-+return f != $ac_func;
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext conftest$ac_exeext
-+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-+  (eval $ac_link) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_c_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest$ac_exeext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  eval "$as_ac_var=yes"
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+eval "$as_ac_var=no"
-+fi
-+rm -f conftest.err conftest.$ac_objext \
-+      conftest$ac_exeext conftest.$ac_ext
-+fi
-+echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_var'}'`" >&5
-+echo "${ECHO_T}`eval echo '${'$as_ac_var'}'`" >&6
-+if test `eval echo '${'$as_ac_var'}'` = yes; then
-+  cat >>confdefs.h <<_ACEOF
-+#define `echo "HAVE_$ac_func" | $as_tr_cpp` 1
-+_ACEOF
-+
-+fi
-+done
-+
-+    fi
-+  fi
-+
-+
-+
-+  echo "$as_me:$LINENO: checking for hypot declaration" >&5
-+echo $ECHO_N "checking for hypot declaration... $ECHO_C" >&6
-+  if test x${glibcxx_cv_func_hypot_use+set} != xset; then
-+    if test "${glibcxx_cv_func_hypot_use+set}" = set; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+
-+
-+
-+      ac_ext=cc
-+ac_cpp='$CXXCPP $CPPFLAGS'
-+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
-+
-+      cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+#include <math.h>
-+int
-+main ()
-+{
-+ hypot(0, 0);
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext
-+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-+  (eval $ac_compile) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_cxx_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest.$ac_objext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  glibcxx_cv_func_hypot_use=yes
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+glibcxx_cv_func_hypot_use=no
-+fi
-+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
-+      ac_ext=c
-+ac_cpp='$CPP $CPPFLAGS'
-+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_c_compiler_gnu
-+
-+
-+fi
-+
-+  fi
-+  echo "$as_me:$LINENO: result: $glibcxx_cv_func_hypot_use" >&5
-+echo "${ECHO_T}$glibcxx_cv_func_hypot_use" >&6
-+
-+  if test x$glibcxx_cv_func_hypot_use = x"yes"; then
-+
-+for ac_func in hypot
-+do
-+as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh`
-+echo "$as_me:$LINENO: checking for $ac_func" >&5
-+echo $ECHO_N "checking for $ac_func... $ECHO_C" >&6
-+if eval "test \"\${$as_ac_var+set}\" = set"; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+  if test x$gcc_no_link = xyes; then
-+  { { echo "$as_me:$LINENO: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&5
-+echo "$as_me: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&2;}
-+   { (exit 1); exit 1; }; }
-+fi
-+cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+/* Define $ac_func to an innocuous variant, in case <limits.h> declares $ac_func.
-+   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
-+#define $ac_func innocuous_$ac_func
-+
-+/* System header to define __stub macros and hopefully few prototypes,
-+    which can conflict with char $ac_func (); below.
-+    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
-+    <limits.h> exists even on freestanding compilers.  */
-+
-+#ifdef __STDC__
-+# include <limits.h>
-+#else
-+# include <assert.h>
-+#endif
-+
-+#undef $ac_func
-+
-+/* Override any gcc2 internal prototype to avoid an error.  */
-+#ifdef __cplusplus
-+extern "C"
-+{
-+#endif
-+/* We use char because int might match the return type of a gcc2
-+   builtin and then its argument prototype would still apply.  */
-+char $ac_func ();
-+/* The GNU C library defines this for functions which it implements
-+    to always fail with ENOSYS.  Some functions are actually named
-+    something starting with __ and the normal name is an alias.  */
-+#if defined (__stub_$ac_func) || defined (__stub___$ac_func)
-+choke me
-+#else
-+char (*f) () = $ac_func;
-+#endif
-+#ifdef __cplusplus
-+}
-+#endif
-+
-+int
-+main ()
-+{
-+return f != $ac_func;
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext conftest$ac_exeext
-+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-+  (eval $ac_link) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_c_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest$ac_exeext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  eval "$as_ac_var=yes"
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+eval "$as_ac_var=no"
-+fi
-+rm -f conftest.err conftest.$ac_objext \
-+      conftest$ac_exeext conftest.$ac_ext
-+fi
-+echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_var'}'`" >&5
-+echo "${ECHO_T}`eval echo '${'$as_ac_var'}'`" >&6
-+if test `eval echo '${'$as_ac_var'}'` = yes; then
-+  cat >>confdefs.h <<_ACEOF
-+#define `echo "HAVE_$ac_func" | $as_tr_cpp` 1
-+_ACEOF
-+
-+fi
-+done
-+
-+  else
-+
-+  echo "$as_me:$LINENO: checking for _hypot declaration" >&5
-+echo $ECHO_N "checking for _hypot declaration... $ECHO_C" >&6
-+  if test x${glibcxx_cv_func__hypot_use+set} != xset; then
-+    if test "${glibcxx_cv_func__hypot_use+set}" = set; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+
-+
-+
-+      ac_ext=cc
-+ac_cpp='$CXXCPP $CPPFLAGS'
-+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
-+
-+      cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+#include <math.h>
-+int
-+main ()
-+{
-+ _hypot(0, 0);
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext
-+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-+  (eval $ac_compile) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_cxx_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest.$ac_objext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  glibcxx_cv_func__hypot_use=yes
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+glibcxx_cv_func__hypot_use=no
-+fi
-+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
-+      ac_ext=c
-+ac_cpp='$CPP $CPPFLAGS'
-+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_c_compiler_gnu
-+
-+
-+fi
-+
-+  fi
-+  echo "$as_me:$LINENO: result: $glibcxx_cv_func__hypot_use" >&5
-+echo "${ECHO_T}$glibcxx_cv_func__hypot_use" >&6
-+
-+    if test x$glibcxx_cv_func__hypot_use = x"yes"; then
-+
-+for ac_func in _hypot
-+do
-+as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh`
-+echo "$as_me:$LINENO: checking for $ac_func" >&5
-+echo $ECHO_N "checking for $ac_func... $ECHO_C" >&6
-+if eval "test \"\${$as_ac_var+set}\" = set"; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+  if test x$gcc_no_link = xyes; then
-+  { { echo "$as_me:$LINENO: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&5
-+echo "$as_me: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&2;}
-+   { (exit 1); exit 1; }; }
-+fi
-+cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+/* Define $ac_func to an innocuous variant, in case <limits.h> declares $ac_func.
-+   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
-+#define $ac_func innocuous_$ac_func
-+
-+/* System header to define __stub macros and hopefully few prototypes,
-+    which can conflict with char $ac_func (); below.
-+    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
-+    <limits.h> exists even on freestanding compilers.  */
-+
-+#ifdef __STDC__
-+# include <limits.h>
-+#else
-+# include <assert.h>
-+#endif
-+
-+#undef $ac_func
-+
-+/* Override any gcc2 internal prototype to avoid an error.  */
-+#ifdef __cplusplus
-+extern "C"
-+{
-+#endif
-+/* We use char because int might match the return type of a gcc2
-+   builtin and then its argument prototype would still apply.  */
-+char $ac_func ();
-+/* The GNU C library defines this for functions which it implements
-+    to always fail with ENOSYS.  Some functions are actually named
-+    something starting with __ and the normal name is an alias.  */
-+#if defined (__stub_$ac_func) || defined (__stub___$ac_func)
-+choke me
-+#else
-+char (*f) () = $ac_func;
-+#endif
-+#ifdef __cplusplus
-+}
-+#endif
-+
-+int
-+main ()
-+{
-+return f != $ac_func;
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext conftest$ac_exeext
-+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-+  (eval $ac_link) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_c_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest$ac_exeext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  eval "$as_ac_var=yes"
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+eval "$as_ac_var=no"
-+fi
-+rm -f conftest.err conftest.$ac_objext \
-+      conftest$ac_exeext conftest.$ac_ext
-+fi
-+echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_var'}'`" >&5
-+echo "${ECHO_T}`eval echo '${'$as_ac_var'}'`" >&6
-+if test `eval echo '${'$as_ac_var'}'` = yes; then
-+  cat >>confdefs.h <<_ACEOF
-+#define `echo "HAVE_$ac_func" | $as_tr_cpp` 1
-+_ACEOF
-+
-+fi
-+done
-+
-+    fi
-+  fi
-+
-+
-+
-+  echo "$as_me:$LINENO: checking for float trig functions" >&5
-+echo $ECHO_N "checking for float trig functions... $ECHO_C" >&6
-+  if test "${glibcxx_cv_func_float_trig_use+set}" = set; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+
-+
-+
-+    ac_ext=cc
-+ac_cpp='$CXXCPP $CPPFLAGS'
-+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
-+
-+    cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+#include <math.h>
-+int
-+main ()
-+{
-+ `for x in acosf asinf atanf \
-+                                          cosf sinf tanf \
-+                                          coshf sinhf tanhf; do echo "$x (0);"; done`
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext
-+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-+  (eval $ac_compile) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_cxx_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest.$ac_objext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  glibcxx_cv_func_float_trig_use=yes
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+glibcxx_cv_func_float_trig_use=no
-+fi
-+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
-+    ac_ext=c
-+ac_cpp='$CPP $CPPFLAGS'
-+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_c_compiler_gnu
-+
-+fi
-+
-+  echo "$as_me:$LINENO: result: $glibcxx_cv_func_float_trig_use" >&5
-+echo "${ECHO_T}$glibcxx_cv_func_float_trig_use" >&6
-+  if test x$glibcxx_cv_func_float_trig_use = x"yes"; then
-+
-+
-+
-+
-+
-+
-+
-+
-+
-+for ac_func in acosf asinf atanf \
-+                                          cosf sinf tanf \
-+                                          coshf sinhf tanhf
-+do
-+as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh`
-+echo "$as_me:$LINENO: checking for $ac_func" >&5
-+echo $ECHO_N "checking for $ac_func... $ECHO_C" >&6
-+if eval "test \"\${$as_ac_var+set}\" = set"; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+  if test x$gcc_no_link = xyes; then
-+  { { echo "$as_me:$LINENO: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&5
-+echo "$as_me: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&2;}
-+   { (exit 1); exit 1; }; }
-+fi
-+cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+/* Define $ac_func to an innocuous variant, in case <limits.h> declares $ac_func.
-+   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
-+#define $ac_func innocuous_$ac_func
-+
-+/* System header to define __stub macros and hopefully few prototypes,
-+    which can conflict with char $ac_func (); below.
-+    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
-+    <limits.h> exists even on freestanding compilers.  */
-+
-+#ifdef __STDC__
-+# include <limits.h>
-+#else
-+# include <assert.h>
-+#endif
-+
-+#undef $ac_func
-+
-+/* Override any gcc2 internal prototype to avoid an error.  */
-+#ifdef __cplusplus
-+extern "C"
-+{
-+#endif
-+/* We use char because int might match the return type of a gcc2
-+   builtin and then its argument prototype would still apply.  */
-+char $ac_func ();
-+/* The GNU C library defines this for functions which it implements
-+    to always fail with ENOSYS.  Some functions are actually named
-+    something starting with __ and the normal name is an alias.  */
-+#if defined (__stub_$ac_func) || defined (__stub___$ac_func)
-+choke me
-+#else
-+char (*f) () = $ac_func;
-+#endif
-+#ifdef __cplusplus
-+}
-+#endif
-+
-+int
-+main ()
-+{
-+return f != $ac_func;
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext conftest$ac_exeext
-+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-+  (eval $ac_link) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_c_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest$ac_exeext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  eval "$as_ac_var=yes"
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+eval "$as_ac_var=no"
-+fi
-+rm -f conftest.err conftest.$ac_objext \
-+      conftest$ac_exeext conftest.$ac_ext
-+fi
-+echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_var'}'`" >&5
-+echo "${ECHO_T}`eval echo '${'$as_ac_var'}'`" >&6
-+if test `eval echo '${'$as_ac_var'}'` = yes; then
-+  cat >>confdefs.h <<_ACEOF
-+#define `echo "HAVE_$ac_func" | $as_tr_cpp` 1
-+_ACEOF
-+
-+fi
-+done
-+
-+  fi
-+
-+
-+  echo "$as_me:$LINENO: checking for float round functions" >&5
-+echo $ECHO_N "checking for float round functions... $ECHO_C" >&6
-+  if test "${glibcxx_cv_func_float_round_use+set}" = set; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+
-+
-+
-+    ac_ext=cc
-+ac_cpp='$CXXCPP $CPPFLAGS'
-+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
-+
-+    cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+#include <math.h>
-+int
-+main ()
-+{
-+ `for x in ceilf floorf; do echo "$x (0);"; done`
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext
-+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-+  (eval $ac_compile) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_cxx_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest.$ac_objext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  glibcxx_cv_func_float_round_use=yes
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+glibcxx_cv_func_float_round_use=no
-+fi
-+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
-+    ac_ext=c
-+ac_cpp='$CPP $CPPFLAGS'
-+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_c_compiler_gnu
-+
-+fi
-+
-+  echo "$as_me:$LINENO: result: $glibcxx_cv_func_float_round_use" >&5
-+echo "${ECHO_T}$glibcxx_cv_func_float_round_use" >&6
-+  if test x$glibcxx_cv_func_float_round_use = x"yes"; then
-+
-+
-+for ac_func in ceilf floorf
-+do
-+as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh`
-+echo "$as_me:$LINENO: checking for $ac_func" >&5
-+echo $ECHO_N "checking for $ac_func... $ECHO_C" >&6
-+if eval "test \"\${$as_ac_var+set}\" = set"; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+  if test x$gcc_no_link = xyes; then
-+  { { echo "$as_me:$LINENO: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&5
-+echo "$as_me: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&2;}
-+   { (exit 1); exit 1; }; }
-+fi
-+cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+/* Define $ac_func to an innocuous variant, in case <limits.h> declares $ac_func.
-+   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
-+#define $ac_func innocuous_$ac_func
-+
-+/* System header to define __stub macros and hopefully few prototypes,
-+    which can conflict with char $ac_func (); below.
-+    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
-+    <limits.h> exists even on freestanding compilers.  */
-+
-+#ifdef __STDC__
-+# include <limits.h>
-+#else
-+# include <assert.h>
-+#endif
-+
-+#undef $ac_func
-+
-+/* Override any gcc2 internal prototype to avoid an error.  */
-+#ifdef __cplusplus
-+extern "C"
-+{
-+#endif
-+/* We use char because int might match the return type of a gcc2
-+   builtin and then its argument prototype would still apply.  */
-+char $ac_func ();
-+/* The GNU C library defines this for functions which it implements
-+    to always fail with ENOSYS.  Some functions are actually named
-+    something starting with __ and the normal name is an alias.  */
-+#if defined (__stub_$ac_func) || defined (__stub___$ac_func)
-+choke me
-+#else
-+char (*f) () = $ac_func;
-+#endif
-+#ifdef __cplusplus
-+}
-+#endif
-+
-+int
-+main ()
-+{
-+return f != $ac_func;
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext conftest$ac_exeext
-+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-+  (eval $ac_link) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_c_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest$ac_exeext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  eval "$as_ac_var=yes"
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+eval "$as_ac_var=no"
-+fi
-+rm -f conftest.err conftest.$ac_objext \
-+      conftest$ac_exeext conftest.$ac_ext
-+fi
-+echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_var'}'`" >&5
-+echo "${ECHO_T}`eval echo '${'$as_ac_var'}'`" >&6
-+if test `eval echo '${'$as_ac_var'}'` = yes; then
-+  cat >>confdefs.h <<_ACEOF
-+#define `echo "HAVE_$ac_func" | $as_tr_cpp` 1
-+_ACEOF
-+
-+fi
-+done
-+
-+  fi
-+
-+
-+
-+  echo "$as_me:$LINENO: checking for expf declaration" >&5
-+echo $ECHO_N "checking for expf declaration... $ECHO_C" >&6
-+  if test x${glibcxx_cv_func_expf_use+set} != xset; then
-+    if test "${glibcxx_cv_func_expf_use+set}" = set; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+
-+
-+
-+      ac_ext=cc
-+ac_cpp='$CXXCPP $CPPFLAGS'
-+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
-+
-+      cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+#include <math.h>
-+		      #ifdef HAVE_IEEEFP_H
-+		      #include <ieeefp.h>
-+		      #endif
-+
-+int
-+main ()
-+{
-+ expf(0);
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext
-+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-+  (eval $ac_compile) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_cxx_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest.$ac_objext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  glibcxx_cv_func_expf_use=yes
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+glibcxx_cv_func_expf_use=no
-+fi
-+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
-+      ac_ext=c
-+ac_cpp='$CPP $CPPFLAGS'
-+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_c_compiler_gnu
-+
-+
-+fi
-+
-+  fi
-+  echo "$as_me:$LINENO: result: $glibcxx_cv_func_expf_use" >&5
-+echo "${ECHO_T}$glibcxx_cv_func_expf_use" >&6
-+
-+  if test x$glibcxx_cv_func_expf_use = x"yes"; then
-+
-+for ac_func in expf
-+do
-+as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh`
-+echo "$as_me:$LINENO: checking for $ac_func" >&5
-+echo $ECHO_N "checking for $ac_func... $ECHO_C" >&6
-+if eval "test \"\${$as_ac_var+set}\" = set"; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+  if test x$gcc_no_link = xyes; then
-+  { { echo "$as_me:$LINENO: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&5
-+echo "$as_me: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&2;}
-+   { (exit 1); exit 1; }; }
-+fi
-+cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+/* Define $ac_func to an innocuous variant, in case <limits.h> declares $ac_func.
-+   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
-+#define $ac_func innocuous_$ac_func
-+
-+/* System header to define __stub macros and hopefully few prototypes,
-+    which can conflict with char $ac_func (); below.
-+    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
-+    <limits.h> exists even on freestanding compilers.  */
-+
-+#ifdef __STDC__
-+# include <limits.h>
-+#else
-+# include <assert.h>
-+#endif
-+
-+#undef $ac_func
-+
-+/* Override any gcc2 internal prototype to avoid an error.  */
-+#ifdef __cplusplus
-+extern "C"
-+{
-+#endif
-+/* We use char because int might match the return type of a gcc2
-+   builtin and then its argument prototype would still apply.  */
-+char $ac_func ();
-+/* The GNU C library defines this for functions which it implements
-+    to always fail with ENOSYS.  Some functions are actually named
-+    something starting with __ and the normal name is an alias.  */
-+#if defined (__stub_$ac_func) || defined (__stub___$ac_func)
-+choke me
-+#else
-+char (*f) () = $ac_func;
-+#endif
-+#ifdef __cplusplus
-+}
-+#endif
-+
-+int
-+main ()
-+{
-+return f != $ac_func;
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext conftest$ac_exeext
-+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-+  (eval $ac_link) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_c_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest$ac_exeext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  eval "$as_ac_var=yes"
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+eval "$as_ac_var=no"
-+fi
-+rm -f conftest.err conftest.$ac_objext \
-+      conftest$ac_exeext conftest.$ac_ext
-+fi
-+echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_var'}'`" >&5
-+echo "${ECHO_T}`eval echo '${'$as_ac_var'}'`" >&6
-+if test `eval echo '${'$as_ac_var'}'` = yes; then
-+  cat >>confdefs.h <<_ACEOF
-+#define `echo "HAVE_$ac_func" | $as_tr_cpp` 1
-+_ACEOF
-+
-+fi
-+done
-+
-+  else
-+
-+  echo "$as_me:$LINENO: checking for _expf declaration" >&5
-+echo $ECHO_N "checking for _expf declaration... $ECHO_C" >&6
-+  if test x${glibcxx_cv_func__expf_use+set} != xset; then
-+    if test "${glibcxx_cv_func__expf_use+set}" = set; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+
-+
-+
-+      ac_ext=cc
-+ac_cpp='$CXXCPP $CPPFLAGS'
-+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
-+
-+      cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+#include <math.h>
-+		      #ifdef HAVE_IEEEFP_H
-+		      #include <ieeefp.h>
-+		      #endif
-+
-+int
-+main ()
-+{
-+ _expf(0);
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext
-+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-+  (eval $ac_compile) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_cxx_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest.$ac_objext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  glibcxx_cv_func__expf_use=yes
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+glibcxx_cv_func__expf_use=no
-+fi
-+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
-+      ac_ext=c
-+ac_cpp='$CPP $CPPFLAGS'
-+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_c_compiler_gnu
-+
-+
-+fi
-+
-+  fi
-+  echo "$as_me:$LINENO: result: $glibcxx_cv_func__expf_use" >&5
-+echo "${ECHO_T}$glibcxx_cv_func__expf_use" >&6
-+
-+    if test x$glibcxx_cv_func__expf_use = x"yes"; then
-+
-+for ac_func in _expf
-+do
-+as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh`
-+echo "$as_me:$LINENO: checking for $ac_func" >&5
-+echo $ECHO_N "checking for $ac_func... $ECHO_C" >&6
-+if eval "test \"\${$as_ac_var+set}\" = set"; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+  if test x$gcc_no_link = xyes; then
-+  { { echo "$as_me:$LINENO: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&5
-+echo "$as_me: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&2;}
-+   { (exit 1); exit 1; }; }
-+fi
-+cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+/* Define $ac_func to an innocuous variant, in case <limits.h> declares $ac_func.
-+   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
-+#define $ac_func innocuous_$ac_func
-+
-+/* System header to define __stub macros and hopefully few prototypes,
-+    which can conflict with char $ac_func (); below.
-+    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
-+    <limits.h> exists even on freestanding compilers.  */
-+
-+#ifdef __STDC__
-+# include <limits.h>
-+#else
-+# include <assert.h>
-+#endif
-+
-+#undef $ac_func
-+
-+/* Override any gcc2 internal prototype to avoid an error.  */
-+#ifdef __cplusplus
-+extern "C"
-+{
-+#endif
-+/* We use char because int might match the return type of a gcc2
-+   builtin and then its argument prototype would still apply.  */
-+char $ac_func ();
-+/* The GNU C library defines this for functions which it implements
-+    to always fail with ENOSYS.  Some functions are actually named
-+    something starting with __ and the normal name is an alias.  */
-+#if defined (__stub_$ac_func) || defined (__stub___$ac_func)
-+choke me
-+#else
-+char (*f) () = $ac_func;
-+#endif
-+#ifdef __cplusplus
-+}
-+#endif
-+
-+int
-+main ()
-+{
-+return f != $ac_func;
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext conftest$ac_exeext
-+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-+  (eval $ac_link) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_c_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest$ac_exeext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  eval "$as_ac_var=yes"
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+eval "$as_ac_var=no"
-+fi
-+rm -f conftest.err conftest.$ac_objext \
-+      conftest$ac_exeext conftest.$ac_ext
-+fi
-+echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_var'}'`" >&5
-+echo "${ECHO_T}`eval echo '${'$as_ac_var'}'`" >&6
-+if test `eval echo '${'$as_ac_var'}'` = yes; then
-+  cat >>confdefs.h <<_ACEOF
-+#define `echo "HAVE_$ac_func" | $as_tr_cpp` 1
-+_ACEOF
-+
-+fi
-+done
-+
-+    fi
-+  fi
-+
-+
-+
-+  echo "$as_me:$LINENO: checking for isnanf declaration" >&5
-+echo $ECHO_N "checking for isnanf declaration... $ECHO_C" >&6
-+  if test x${glibcxx_cv_func_isnanf_use+set} != xset; then
-+    if test "${glibcxx_cv_func_isnanf_use+set}" = set; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+
-+
-+
-+      ac_ext=cc
-+ac_cpp='$CXXCPP $CPPFLAGS'
-+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
-+
-+      cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+#include <math.h>
-+		      #ifdef HAVE_IEEEFP_H
-+		      #include <ieeefp.h>
-+		      #endif
-+
-+int
-+main ()
-+{
-+ isnanf(0);
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext
-+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-+  (eval $ac_compile) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_cxx_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest.$ac_objext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  glibcxx_cv_func_isnanf_use=yes
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+glibcxx_cv_func_isnanf_use=no
-+fi
-+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
-+      ac_ext=c
-+ac_cpp='$CPP $CPPFLAGS'
-+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_c_compiler_gnu
-+
-+
-+fi
-+
-+  fi
-+  echo "$as_me:$LINENO: result: $glibcxx_cv_func_isnanf_use" >&5
-+echo "${ECHO_T}$glibcxx_cv_func_isnanf_use" >&6
-+
-+  if test x$glibcxx_cv_func_isnanf_use = x"yes"; then
-+
-+for ac_func in isnanf
-+do
-+as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh`
-+echo "$as_me:$LINENO: checking for $ac_func" >&5
-+echo $ECHO_N "checking for $ac_func... $ECHO_C" >&6
-+if eval "test \"\${$as_ac_var+set}\" = set"; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+  if test x$gcc_no_link = xyes; then
-+  { { echo "$as_me:$LINENO: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&5
-+echo "$as_me: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&2;}
-+   { (exit 1); exit 1; }; }
-+fi
-+cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+/* Define $ac_func to an innocuous variant, in case <limits.h> declares $ac_func.
-+   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
-+#define $ac_func innocuous_$ac_func
-+
-+/* System header to define __stub macros and hopefully few prototypes,
-+    which can conflict with char $ac_func (); below.
-+    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
-+    <limits.h> exists even on freestanding compilers.  */
-+
-+#ifdef __STDC__
-+# include <limits.h>
-+#else
-+# include <assert.h>
-+#endif
-+
-+#undef $ac_func
-+
-+/* Override any gcc2 internal prototype to avoid an error.  */
-+#ifdef __cplusplus
-+extern "C"
-+{
-+#endif
-+/* We use char because int might match the return type of a gcc2
-+   builtin and then its argument prototype would still apply.  */
-+char $ac_func ();
-+/* The GNU C library defines this for functions which it implements
-+    to always fail with ENOSYS.  Some functions are actually named
-+    something starting with __ and the normal name is an alias.  */
-+#if defined (__stub_$ac_func) || defined (__stub___$ac_func)
-+choke me
-+#else
-+char (*f) () = $ac_func;
-+#endif
-+#ifdef __cplusplus
-+}
-+#endif
-+
-+int
-+main ()
-+{
-+return f != $ac_func;
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext conftest$ac_exeext
-+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-+  (eval $ac_link) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_c_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest$ac_exeext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  eval "$as_ac_var=yes"
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+eval "$as_ac_var=no"
-+fi
-+rm -f conftest.err conftest.$ac_objext \
-+      conftest$ac_exeext conftest.$ac_ext
-+fi
-+echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_var'}'`" >&5
-+echo "${ECHO_T}`eval echo '${'$as_ac_var'}'`" >&6
-+if test `eval echo '${'$as_ac_var'}'` = yes; then
-+  cat >>confdefs.h <<_ACEOF
-+#define `echo "HAVE_$ac_func" | $as_tr_cpp` 1
-+_ACEOF
-+
-+fi
-+done
-+
-+  else
-+
-+  echo "$as_me:$LINENO: checking for _isnanf declaration" >&5
-+echo $ECHO_N "checking for _isnanf declaration... $ECHO_C" >&6
-+  if test x${glibcxx_cv_func__isnanf_use+set} != xset; then
-+    if test "${glibcxx_cv_func__isnanf_use+set}" = set; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+
-+
-+
-+      ac_ext=cc
-+ac_cpp='$CXXCPP $CPPFLAGS'
-+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
-+
-+      cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+#include <math.h>
-+		      #ifdef HAVE_IEEEFP_H
-+		      #include <ieeefp.h>
-+		      #endif
-+
-+int
-+main ()
-+{
-+ _isnanf(0);
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext
-+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-+  (eval $ac_compile) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_cxx_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest.$ac_objext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  glibcxx_cv_func__isnanf_use=yes
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+glibcxx_cv_func__isnanf_use=no
-+fi
-+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
-+      ac_ext=c
-+ac_cpp='$CPP $CPPFLAGS'
-+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_c_compiler_gnu
-+
-+
-+fi
-+
-+  fi
-+  echo "$as_me:$LINENO: result: $glibcxx_cv_func__isnanf_use" >&5
-+echo "${ECHO_T}$glibcxx_cv_func__isnanf_use" >&6
-+
-+    if test x$glibcxx_cv_func__isnanf_use = x"yes"; then
-+
-+for ac_func in _isnanf
-+do
-+as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh`
-+echo "$as_me:$LINENO: checking for $ac_func" >&5
-+echo $ECHO_N "checking for $ac_func... $ECHO_C" >&6
-+if eval "test \"\${$as_ac_var+set}\" = set"; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+  if test x$gcc_no_link = xyes; then
-+  { { echo "$as_me:$LINENO: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&5
-+echo "$as_me: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&2;}
-+   { (exit 1); exit 1; }; }
-+fi
-+cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+/* Define $ac_func to an innocuous variant, in case <limits.h> declares $ac_func.
-+   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
-+#define $ac_func innocuous_$ac_func
-+
-+/* System header to define __stub macros and hopefully few prototypes,
-+    which can conflict with char $ac_func (); below.
-+    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
-+    <limits.h> exists even on freestanding compilers.  */
-+
-+#ifdef __STDC__
-+# include <limits.h>
-+#else
-+# include <assert.h>
-+#endif
-+
-+#undef $ac_func
-+
-+/* Override any gcc2 internal prototype to avoid an error.  */
-+#ifdef __cplusplus
-+extern "C"
-+{
-+#endif
-+/* We use char because int might match the return type of a gcc2
-+   builtin and then its argument prototype would still apply.  */
-+char $ac_func ();
-+/* The GNU C library defines this for functions which it implements
-+    to always fail with ENOSYS.  Some functions are actually named
-+    something starting with __ and the normal name is an alias.  */
-+#if defined (__stub_$ac_func) || defined (__stub___$ac_func)
-+choke me
-+#else
-+char (*f) () = $ac_func;
-+#endif
-+#ifdef __cplusplus
-+}
-+#endif
-+
-+int
-+main ()
-+{
-+return f != $ac_func;
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext conftest$ac_exeext
-+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-+  (eval $ac_link) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_c_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest$ac_exeext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  eval "$as_ac_var=yes"
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+eval "$as_ac_var=no"
-+fi
-+rm -f conftest.err conftest.$ac_objext \
-+      conftest$ac_exeext conftest.$ac_ext
-+fi
-+echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_var'}'`" >&5
-+echo "${ECHO_T}`eval echo '${'$as_ac_var'}'`" >&6
-+if test `eval echo '${'$as_ac_var'}'` = yes; then
-+  cat >>confdefs.h <<_ACEOF
-+#define `echo "HAVE_$ac_func" | $as_tr_cpp` 1
-+_ACEOF
-+
-+fi
-+done
-+
-+    fi
-+  fi
-+
-+
-+
-+  echo "$as_me:$LINENO: checking for isinff declaration" >&5
-+echo $ECHO_N "checking for isinff declaration... $ECHO_C" >&6
-+  if test x${glibcxx_cv_func_isinff_use+set} != xset; then
-+    if test "${glibcxx_cv_func_isinff_use+set}" = set; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+
-+
-+
-+      ac_ext=cc
-+ac_cpp='$CXXCPP $CPPFLAGS'
-+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
-+
-+      cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+#include <math.h>
-+		      #ifdef HAVE_IEEEFP_H
-+		      #include <ieeefp.h>
-+		      #endif
-+
-+int
-+main ()
-+{
-+ isinff(0);
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext
-+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-+  (eval $ac_compile) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_cxx_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest.$ac_objext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  glibcxx_cv_func_isinff_use=yes
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+glibcxx_cv_func_isinff_use=no
-+fi
-+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
-+      ac_ext=c
-+ac_cpp='$CPP $CPPFLAGS'
-+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_c_compiler_gnu
-+
-+
-+fi
-+
-+  fi
-+  echo "$as_me:$LINENO: result: $glibcxx_cv_func_isinff_use" >&5
-+echo "${ECHO_T}$glibcxx_cv_func_isinff_use" >&6
-+
-+  if test x$glibcxx_cv_func_isinff_use = x"yes"; then
-+
-+for ac_func in isinff
-+do
-+as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh`
-+echo "$as_me:$LINENO: checking for $ac_func" >&5
-+echo $ECHO_N "checking for $ac_func... $ECHO_C" >&6
-+if eval "test \"\${$as_ac_var+set}\" = set"; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+  if test x$gcc_no_link = xyes; then
-+  { { echo "$as_me:$LINENO: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&5
-+echo "$as_me: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&2;}
-+   { (exit 1); exit 1; }; }
-+fi
-+cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+/* Define $ac_func to an innocuous variant, in case <limits.h> declares $ac_func.
-+   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
-+#define $ac_func innocuous_$ac_func
-+
-+/* System header to define __stub macros and hopefully few prototypes,
-+    which can conflict with char $ac_func (); below.
-+    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
-+    <limits.h> exists even on freestanding compilers.  */
-+
-+#ifdef __STDC__
-+# include <limits.h>
-+#else
-+# include <assert.h>
-+#endif
-+
-+#undef $ac_func
-+
-+/* Override any gcc2 internal prototype to avoid an error.  */
-+#ifdef __cplusplus
-+extern "C"
-+{
-+#endif
-+/* We use char because int might match the return type of a gcc2
-+   builtin and then its argument prototype would still apply.  */
-+char $ac_func ();
-+/* The GNU C library defines this for functions which it implements
-+    to always fail with ENOSYS.  Some functions are actually named
-+    something starting with __ and the normal name is an alias.  */
-+#if defined (__stub_$ac_func) || defined (__stub___$ac_func)
-+choke me
-+#else
-+char (*f) () = $ac_func;
-+#endif
-+#ifdef __cplusplus
-+}
-+#endif
-+
-+int
-+main ()
-+{
-+return f != $ac_func;
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext conftest$ac_exeext
-+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-+  (eval $ac_link) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_c_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest$ac_exeext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  eval "$as_ac_var=yes"
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+eval "$as_ac_var=no"
-+fi
-+rm -f conftest.err conftest.$ac_objext \
-+      conftest$ac_exeext conftest.$ac_ext
-+fi
-+echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_var'}'`" >&5
-+echo "${ECHO_T}`eval echo '${'$as_ac_var'}'`" >&6
-+if test `eval echo '${'$as_ac_var'}'` = yes; then
-+  cat >>confdefs.h <<_ACEOF
-+#define `echo "HAVE_$ac_func" | $as_tr_cpp` 1
-+_ACEOF
-+
-+fi
-+done
-+
-+  else
-+
-+  echo "$as_me:$LINENO: checking for _isinff declaration" >&5
-+echo $ECHO_N "checking for _isinff declaration... $ECHO_C" >&6
-+  if test x${glibcxx_cv_func__isinff_use+set} != xset; then
-+    if test "${glibcxx_cv_func__isinff_use+set}" = set; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+
-+
-+
-+      ac_ext=cc
-+ac_cpp='$CXXCPP $CPPFLAGS'
-+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
-+
-+      cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+#include <math.h>
-+		      #ifdef HAVE_IEEEFP_H
-+		      #include <ieeefp.h>
-+		      #endif
-+
-+int
-+main ()
-+{
-+ _isinff(0);
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext
-+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-+  (eval $ac_compile) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_cxx_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest.$ac_objext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  glibcxx_cv_func__isinff_use=yes
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+glibcxx_cv_func__isinff_use=no
-+fi
-+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
-+      ac_ext=c
-+ac_cpp='$CPP $CPPFLAGS'
-+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_c_compiler_gnu
-+
-+
-+fi
-+
-+  fi
-+  echo "$as_me:$LINENO: result: $glibcxx_cv_func__isinff_use" >&5
-+echo "${ECHO_T}$glibcxx_cv_func__isinff_use" >&6
-+
-+    if test x$glibcxx_cv_func__isinff_use = x"yes"; then
-+
-+for ac_func in _isinff
-+do
-+as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh`
-+echo "$as_me:$LINENO: checking for $ac_func" >&5
-+echo $ECHO_N "checking for $ac_func... $ECHO_C" >&6
-+if eval "test \"\${$as_ac_var+set}\" = set"; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+  if test x$gcc_no_link = xyes; then
-+  { { echo "$as_me:$LINENO: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&5
-+echo "$as_me: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&2;}
-+   { (exit 1); exit 1; }; }
-+fi
-+cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+/* Define $ac_func to an innocuous variant, in case <limits.h> declares $ac_func.
-+   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
-+#define $ac_func innocuous_$ac_func
-+
-+/* System header to define __stub macros and hopefully few prototypes,
-+    which can conflict with char $ac_func (); below.
-+    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
-+    <limits.h> exists even on freestanding compilers.  */
-+
-+#ifdef __STDC__
-+# include <limits.h>
-+#else
-+# include <assert.h>
-+#endif
-+
-+#undef $ac_func
-+
-+/* Override any gcc2 internal prototype to avoid an error.  */
-+#ifdef __cplusplus
-+extern "C"
-+{
-+#endif
-+/* We use char because int might match the return type of a gcc2
-+   builtin and then its argument prototype would still apply.  */
-+char $ac_func ();
-+/* The GNU C library defines this for functions which it implements
-+    to always fail with ENOSYS.  Some functions are actually named
-+    something starting with __ and the normal name is an alias.  */
-+#if defined (__stub_$ac_func) || defined (__stub___$ac_func)
-+choke me
-+#else
-+char (*f) () = $ac_func;
-+#endif
-+#ifdef __cplusplus
-+}
-+#endif
-+
-+int
-+main ()
-+{
-+return f != $ac_func;
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext conftest$ac_exeext
-+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-+  (eval $ac_link) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_c_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest$ac_exeext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  eval "$as_ac_var=yes"
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+eval "$as_ac_var=no"
-+fi
-+rm -f conftest.err conftest.$ac_objext \
-+      conftest$ac_exeext conftest.$ac_ext
-+fi
-+echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_var'}'`" >&5
-+echo "${ECHO_T}`eval echo '${'$as_ac_var'}'`" >&6
-+if test `eval echo '${'$as_ac_var'}'` = yes; then
-+  cat >>confdefs.h <<_ACEOF
-+#define `echo "HAVE_$ac_func" | $as_tr_cpp` 1
-+_ACEOF
-+
-+fi
-+done
-+
-+    fi
-+  fi
-+
-+
-+
-+  echo "$as_me:$LINENO: checking for atan2f declaration" >&5
-+echo $ECHO_N "checking for atan2f declaration... $ECHO_C" >&6
-+  if test x${glibcxx_cv_func_atan2f_use+set} != xset; then
-+    if test "${glibcxx_cv_func_atan2f_use+set}" = set; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+
-+
-+
-+      ac_ext=cc
-+ac_cpp='$CXXCPP $CPPFLAGS'
-+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
-+
-+      cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+#include <math.h>
-+int
-+main ()
-+{
-+ atan2f(0, 0);
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext
-+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-+  (eval $ac_compile) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_cxx_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest.$ac_objext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  glibcxx_cv_func_atan2f_use=yes
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+glibcxx_cv_func_atan2f_use=no
-+fi
-+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
-+      ac_ext=c
-+ac_cpp='$CPP $CPPFLAGS'
-+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_c_compiler_gnu
-+
-+
-+fi
-+
-+  fi
-+  echo "$as_me:$LINENO: result: $glibcxx_cv_func_atan2f_use" >&5
-+echo "${ECHO_T}$glibcxx_cv_func_atan2f_use" >&6
-+
-+  if test x$glibcxx_cv_func_atan2f_use = x"yes"; then
-+
-+for ac_func in atan2f
-+do
-+as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh`
-+echo "$as_me:$LINENO: checking for $ac_func" >&5
-+echo $ECHO_N "checking for $ac_func... $ECHO_C" >&6
-+if eval "test \"\${$as_ac_var+set}\" = set"; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+  if test x$gcc_no_link = xyes; then
-+  { { echo "$as_me:$LINENO: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&5
-+echo "$as_me: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&2;}
-+   { (exit 1); exit 1; }; }
-+fi
-+cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+/* Define $ac_func to an innocuous variant, in case <limits.h> declares $ac_func.
-+   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
-+#define $ac_func innocuous_$ac_func
-+
-+/* System header to define __stub macros and hopefully few prototypes,
-+    which can conflict with char $ac_func (); below.
-+    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
-+    <limits.h> exists even on freestanding compilers.  */
-+
-+#ifdef __STDC__
-+# include <limits.h>
-+#else
-+# include <assert.h>
-+#endif
-+
-+#undef $ac_func
-+
-+/* Override any gcc2 internal prototype to avoid an error.  */
-+#ifdef __cplusplus
-+extern "C"
-+{
-+#endif
-+/* We use char because int might match the return type of a gcc2
-+   builtin and then its argument prototype would still apply.  */
-+char $ac_func ();
-+/* The GNU C library defines this for functions which it implements
-+    to always fail with ENOSYS.  Some functions are actually named
-+    something starting with __ and the normal name is an alias.  */
-+#if defined (__stub_$ac_func) || defined (__stub___$ac_func)
-+choke me
-+#else
-+char (*f) () = $ac_func;
-+#endif
-+#ifdef __cplusplus
-+}
-+#endif
-+
-+int
-+main ()
-+{
-+return f != $ac_func;
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext conftest$ac_exeext
-+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-+  (eval $ac_link) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_c_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest$ac_exeext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  eval "$as_ac_var=yes"
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+eval "$as_ac_var=no"
-+fi
-+rm -f conftest.err conftest.$ac_objext \
-+      conftest$ac_exeext conftest.$ac_ext
-+fi
-+echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_var'}'`" >&5
-+echo "${ECHO_T}`eval echo '${'$as_ac_var'}'`" >&6
-+if test `eval echo '${'$as_ac_var'}'` = yes; then
-+  cat >>confdefs.h <<_ACEOF
-+#define `echo "HAVE_$ac_func" | $as_tr_cpp` 1
-+_ACEOF
-+
-+fi
-+done
-+
-+  else
-+
-+  echo "$as_me:$LINENO: checking for _atan2f declaration" >&5
-+echo $ECHO_N "checking for _atan2f declaration... $ECHO_C" >&6
-+  if test x${glibcxx_cv_func__atan2f_use+set} != xset; then
-+    if test "${glibcxx_cv_func__atan2f_use+set}" = set; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+
-+
-+
-+      ac_ext=cc
-+ac_cpp='$CXXCPP $CPPFLAGS'
-+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
-+
-+      cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+#include <math.h>
-+int
-+main ()
-+{
-+ _atan2f(0, 0);
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext
-+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-+  (eval $ac_compile) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_cxx_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest.$ac_objext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  glibcxx_cv_func__atan2f_use=yes
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+glibcxx_cv_func__atan2f_use=no
-+fi
-+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
-+      ac_ext=c
-+ac_cpp='$CPP $CPPFLAGS'
-+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_c_compiler_gnu
-+
-+
-+fi
-+
-+  fi
-+  echo "$as_me:$LINENO: result: $glibcxx_cv_func__atan2f_use" >&5
-+echo "${ECHO_T}$glibcxx_cv_func__atan2f_use" >&6
-+
-+    if test x$glibcxx_cv_func__atan2f_use = x"yes"; then
-+
-+for ac_func in _atan2f
-+do
-+as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh`
-+echo "$as_me:$LINENO: checking for $ac_func" >&5
-+echo $ECHO_N "checking for $ac_func... $ECHO_C" >&6
-+if eval "test \"\${$as_ac_var+set}\" = set"; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+  if test x$gcc_no_link = xyes; then
-+  { { echo "$as_me:$LINENO: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&5
-+echo "$as_me: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&2;}
-+   { (exit 1); exit 1; }; }
-+fi
-+cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+/* Define $ac_func to an innocuous variant, in case <limits.h> declares $ac_func.
-+   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
-+#define $ac_func innocuous_$ac_func
-+
-+/* System header to define __stub macros and hopefully few prototypes,
-+    which can conflict with char $ac_func (); below.
-+    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
-+    <limits.h> exists even on freestanding compilers.  */
-+
-+#ifdef __STDC__
-+# include <limits.h>
-+#else
-+# include <assert.h>
-+#endif
-+
-+#undef $ac_func
-+
-+/* Override any gcc2 internal prototype to avoid an error.  */
-+#ifdef __cplusplus
-+extern "C"
-+{
-+#endif
-+/* We use char because int might match the return type of a gcc2
-+   builtin and then its argument prototype would still apply.  */
-+char $ac_func ();
-+/* The GNU C library defines this for functions which it implements
-+    to always fail with ENOSYS.  Some functions are actually named
-+    something starting with __ and the normal name is an alias.  */
-+#if defined (__stub_$ac_func) || defined (__stub___$ac_func)
-+choke me
-+#else
-+char (*f) () = $ac_func;
-+#endif
-+#ifdef __cplusplus
-+}
-+#endif
-+
-+int
-+main ()
-+{
-+return f != $ac_func;
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext conftest$ac_exeext
-+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-+  (eval $ac_link) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_c_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest$ac_exeext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  eval "$as_ac_var=yes"
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+eval "$as_ac_var=no"
-+fi
-+rm -f conftest.err conftest.$ac_objext \
-+      conftest$ac_exeext conftest.$ac_ext
-+fi
-+echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_var'}'`" >&5
-+echo "${ECHO_T}`eval echo '${'$as_ac_var'}'`" >&6
-+if test `eval echo '${'$as_ac_var'}'` = yes; then
-+  cat >>confdefs.h <<_ACEOF
-+#define `echo "HAVE_$ac_func" | $as_tr_cpp` 1
-+_ACEOF
-+
-+fi
-+done
-+
-+    fi
-+  fi
-+
-+
-+
-+  echo "$as_me:$LINENO: checking for fabsf declaration" >&5
-+echo $ECHO_N "checking for fabsf declaration... $ECHO_C" >&6
-+  if test x${glibcxx_cv_func_fabsf_use+set} != xset; then
-+    if test "${glibcxx_cv_func_fabsf_use+set}" = set; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+
-+
-+
-+      ac_ext=cc
-+ac_cpp='$CXXCPP $CPPFLAGS'
-+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
-+
-+      cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+#include <math.h>
-+		      #ifdef HAVE_IEEEFP_H
-+		      #include <ieeefp.h>
-+		      #endif
-+
-+int
-+main ()
-+{
-+ fabsf(0);
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext
-+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-+  (eval $ac_compile) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_cxx_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest.$ac_objext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  glibcxx_cv_func_fabsf_use=yes
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+glibcxx_cv_func_fabsf_use=no
-+fi
-+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
-+      ac_ext=c
-+ac_cpp='$CPP $CPPFLAGS'
-+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_c_compiler_gnu
-+
-+
-+fi
-+
-+  fi
-+  echo "$as_me:$LINENO: result: $glibcxx_cv_func_fabsf_use" >&5
-+echo "${ECHO_T}$glibcxx_cv_func_fabsf_use" >&6
-+
-+  if test x$glibcxx_cv_func_fabsf_use = x"yes"; then
-+
-+for ac_func in fabsf
-+do
-+as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh`
-+echo "$as_me:$LINENO: checking for $ac_func" >&5
-+echo $ECHO_N "checking for $ac_func... $ECHO_C" >&6
-+if eval "test \"\${$as_ac_var+set}\" = set"; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+  if test x$gcc_no_link = xyes; then
-+  { { echo "$as_me:$LINENO: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&5
-+echo "$as_me: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&2;}
-+   { (exit 1); exit 1; }; }
-+fi
-+cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+/* Define $ac_func to an innocuous variant, in case <limits.h> declares $ac_func.
-+   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
-+#define $ac_func innocuous_$ac_func
-+
-+/* System header to define __stub macros and hopefully few prototypes,
-+    which can conflict with char $ac_func (); below.
-+    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
-+    <limits.h> exists even on freestanding compilers.  */
-+
-+#ifdef __STDC__
-+# include <limits.h>
-+#else
-+# include <assert.h>
-+#endif
-+
-+#undef $ac_func
-+
-+/* Override any gcc2 internal prototype to avoid an error.  */
-+#ifdef __cplusplus
-+extern "C"
-+{
-+#endif
-+/* We use char because int might match the return type of a gcc2
-+   builtin and then its argument prototype would still apply.  */
-+char $ac_func ();
-+/* The GNU C library defines this for functions which it implements
-+    to always fail with ENOSYS.  Some functions are actually named
-+    something starting with __ and the normal name is an alias.  */
-+#if defined (__stub_$ac_func) || defined (__stub___$ac_func)
-+choke me
-+#else
-+char (*f) () = $ac_func;
-+#endif
-+#ifdef __cplusplus
-+}
-+#endif
-+
-+int
-+main ()
-+{
-+return f != $ac_func;
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext conftest$ac_exeext
-+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-+  (eval $ac_link) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_c_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest$ac_exeext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  eval "$as_ac_var=yes"
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+eval "$as_ac_var=no"
-+fi
-+rm -f conftest.err conftest.$ac_objext \
-+      conftest$ac_exeext conftest.$ac_ext
-+fi
-+echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_var'}'`" >&5
-+echo "${ECHO_T}`eval echo '${'$as_ac_var'}'`" >&6
-+if test `eval echo '${'$as_ac_var'}'` = yes; then
-+  cat >>confdefs.h <<_ACEOF
-+#define `echo "HAVE_$ac_func" | $as_tr_cpp` 1
-+_ACEOF
-+
-+fi
-+done
-+
-+  else
-+
-+  echo "$as_me:$LINENO: checking for _fabsf declaration" >&5
-+echo $ECHO_N "checking for _fabsf declaration... $ECHO_C" >&6
-+  if test x${glibcxx_cv_func__fabsf_use+set} != xset; then
-+    if test "${glibcxx_cv_func__fabsf_use+set}" = set; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+
-+
-+
-+      ac_ext=cc
-+ac_cpp='$CXXCPP $CPPFLAGS'
-+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
-+
-+      cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+#include <math.h>
-+		      #ifdef HAVE_IEEEFP_H
-+		      #include <ieeefp.h>
-+		      #endif
-+
-+int
-+main ()
-+{
-+ _fabsf(0);
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext
-+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-+  (eval $ac_compile) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_cxx_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest.$ac_objext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  glibcxx_cv_func__fabsf_use=yes
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+glibcxx_cv_func__fabsf_use=no
-+fi
-+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
-+      ac_ext=c
-+ac_cpp='$CPP $CPPFLAGS'
-+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_c_compiler_gnu
-+
-+
-+fi
-+
-+  fi
-+  echo "$as_me:$LINENO: result: $glibcxx_cv_func__fabsf_use" >&5
-+echo "${ECHO_T}$glibcxx_cv_func__fabsf_use" >&6
-+
-+    if test x$glibcxx_cv_func__fabsf_use = x"yes"; then
-+
-+for ac_func in _fabsf
-+do
-+as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh`
-+echo "$as_me:$LINENO: checking for $ac_func" >&5
-+echo $ECHO_N "checking for $ac_func... $ECHO_C" >&6
-+if eval "test \"\${$as_ac_var+set}\" = set"; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+  if test x$gcc_no_link = xyes; then
-+  { { echo "$as_me:$LINENO: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&5
-+echo "$as_me: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&2;}
-+   { (exit 1); exit 1; }; }
-+fi
-+cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+/* Define $ac_func to an innocuous variant, in case <limits.h> declares $ac_func.
-+   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
-+#define $ac_func innocuous_$ac_func
-+
-+/* System header to define __stub macros and hopefully few prototypes,
-+    which can conflict with char $ac_func (); below.
-+    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
-+    <limits.h> exists even on freestanding compilers.  */
-+
-+#ifdef __STDC__
-+# include <limits.h>
-+#else
-+# include <assert.h>
-+#endif
-+
-+#undef $ac_func
-+
-+/* Override any gcc2 internal prototype to avoid an error.  */
-+#ifdef __cplusplus
-+extern "C"
-+{
-+#endif
-+/* We use char because int might match the return type of a gcc2
-+   builtin and then its argument prototype would still apply.  */
-+char $ac_func ();
-+/* The GNU C library defines this for functions which it implements
-+    to always fail with ENOSYS.  Some functions are actually named
-+    something starting with __ and the normal name is an alias.  */
-+#if defined (__stub_$ac_func) || defined (__stub___$ac_func)
-+choke me
-+#else
-+char (*f) () = $ac_func;
-+#endif
-+#ifdef __cplusplus
-+}
-+#endif
-+
-+int
-+main ()
-+{
-+return f != $ac_func;
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext conftest$ac_exeext
-+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-+  (eval $ac_link) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_c_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest$ac_exeext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  eval "$as_ac_var=yes"
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+eval "$as_ac_var=no"
-+fi
-+rm -f conftest.err conftest.$ac_objext \
-+      conftest$ac_exeext conftest.$ac_ext
-+fi
-+echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_var'}'`" >&5
-+echo "${ECHO_T}`eval echo '${'$as_ac_var'}'`" >&6
-+if test `eval echo '${'$as_ac_var'}'` = yes; then
-+  cat >>confdefs.h <<_ACEOF
-+#define `echo "HAVE_$ac_func" | $as_tr_cpp` 1
-+_ACEOF
-+
-+fi
-+done
-+
-+    fi
-+  fi
-+
-+
-+
-+  echo "$as_me:$LINENO: checking for fmodf declaration" >&5
-+echo $ECHO_N "checking for fmodf declaration... $ECHO_C" >&6
-+  if test x${glibcxx_cv_func_fmodf_use+set} != xset; then
-+    if test "${glibcxx_cv_func_fmodf_use+set}" = set; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+
-+
-+
-+      ac_ext=cc
-+ac_cpp='$CXXCPP $CPPFLAGS'
-+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
-+
-+      cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+#include <math.h>
-+int
-+main ()
-+{
-+ fmodf(0, 0);
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext
-+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-+  (eval $ac_compile) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_cxx_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest.$ac_objext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  glibcxx_cv_func_fmodf_use=yes
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+glibcxx_cv_func_fmodf_use=no
-+fi
-+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
-+      ac_ext=c
-+ac_cpp='$CPP $CPPFLAGS'
-+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_c_compiler_gnu
-+
-+
-+fi
-+
-+  fi
-+  echo "$as_me:$LINENO: result: $glibcxx_cv_func_fmodf_use" >&5
-+echo "${ECHO_T}$glibcxx_cv_func_fmodf_use" >&6
-+
-+  if test x$glibcxx_cv_func_fmodf_use = x"yes"; then
-+
-+for ac_func in fmodf
-+do
-+as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh`
-+echo "$as_me:$LINENO: checking for $ac_func" >&5
-+echo $ECHO_N "checking for $ac_func... $ECHO_C" >&6
-+if eval "test \"\${$as_ac_var+set}\" = set"; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+  if test x$gcc_no_link = xyes; then
-+  { { echo "$as_me:$LINENO: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&5
-+echo "$as_me: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&2;}
-+   { (exit 1); exit 1; }; }
-+fi
-+cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+/* Define $ac_func to an innocuous variant, in case <limits.h> declares $ac_func.
-+   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
-+#define $ac_func innocuous_$ac_func
-+
-+/* System header to define __stub macros and hopefully few prototypes,
-+    which can conflict with char $ac_func (); below.
-+    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
-+    <limits.h> exists even on freestanding compilers.  */
-+
-+#ifdef __STDC__
-+# include <limits.h>
-+#else
-+# include <assert.h>
-+#endif
-+
-+#undef $ac_func
-+
-+/* Override any gcc2 internal prototype to avoid an error.  */
-+#ifdef __cplusplus
-+extern "C"
-+{
-+#endif
-+/* We use char because int might match the return type of a gcc2
-+   builtin and then its argument prototype would still apply.  */
-+char $ac_func ();
-+/* The GNU C library defines this for functions which it implements
-+    to always fail with ENOSYS.  Some functions are actually named
-+    something starting with __ and the normal name is an alias.  */
-+#if defined (__stub_$ac_func) || defined (__stub___$ac_func)
-+choke me
-+#else
-+char (*f) () = $ac_func;
-+#endif
-+#ifdef __cplusplus
-+}
-+#endif
-+
-+int
-+main ()
-+{
-+return f != $ac_func;
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext conftest$ac_exeext
-+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-+  (eval $ac_link) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_c_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest$ac_exeext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  eval "$as_ac_var=yes"
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+eval "$as_ac_var=no"
-+fi
-+rm -f conftest.err conftest.$ac_objext \
-+      conftest$ac_exeext conftest.$ac_ext
-+fi
-+echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_var'}'`" >&5
-+echo "${ECHO_T}`eval echo '${'$as_ac_var'}'`" >&6
-+if test `eval echo '${'$as_ac_var'}'` = yes; then
-+  cat >>confdefs.h <<_ACEOF
-+#define `echo "HAVE_$ac_func" | $as_tr_cpp` 1
-+_ACEOF
-+
-+fi
-+done
-+
-+  else
-+
-+  echo "$as_me:$LINENO: checking for _fmodf declaration" >&5
-+echo $ECHO_N "checking for _fmodf declaration... $ECHO_C" >&6
-+  if test x${glibcxx_cv_func__fmodf_use+set} != xset; then
-+    if test "${glibcxx_cv_func__fmodf_use+set}" = set; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+
-+
-+
-+      ac_ext=cc
-+ac_cpp='$CXXCPP $CPPFLAGS'
-+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
-+
-+      cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+#include <math.h>
-+int
-+main ()
-+{
-+ _fmodf(0, 0);
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext
-+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-+  (eval $ac_compile) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_cxx_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest.$ac_objext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  glibcxx_cv_func__fmodf_use=yes
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+glibcxx_cv_func__fmodf_use=no
-+fi
-+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
-+      ac_ext=c
-+ac_cpp='$CPP $CPPFLAGS'
-+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_c_compiler_gnu
-+
-+
-+fi
-+
-+  fi
-+  echo "$as_me:$LINENO: result: $glibcxx_cv_func__fmodf_use" >&5
-+echo "${ECHO_T}$glibcxx_cv_func__fmodf_use" >&6
-+
-+    if test x$glibcxx_cv_func__fmodf_use = x"yes"; then
-+
-+for ac_func in _fmodf
-+do
-+as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh`
-+echo "$as_me:$LINENO: checking for $ac_func" >&5
-+echo $ECHO_N "checking for $ac_func... $ECHO_C" >&6
-+if eval "test \"\${$as_ac_var+set}\" = set"; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+  if test x$gcc_no_link = xyes; then
-+  { { echo "$as_me:$LINENO: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&5
-+echo "$as_me: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&2;}
-+   { (exit 1); exit 1; }; }
-+fi
-+cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+/* Define $ac_func to an innocuous variant, in case <limits.h> declares $ac_func.
-+   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
-+#define $ac_func innocuous_$ac_func
-+
-+/* System header to define __stub macros and hopefully few prototypes,
-+    which can conflict with char $ac_func (); below.
-+    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
-+    <limits.h> exists even on freestanding compilers.  */
-+
-+#ifdef __STDC__
-+# include <limits.h>
-+#else
-+# include <assert.h>
-+#endif
-+
-+#undef $ac_func
-+
-+/* Override any gcc2 internal prototype to avoid an error.  */
-+#ifdef __cplusplus
-+extern "C"
-+{
-+#endif
-+/* We use char because int might match the return type of a gcc2
-+   builtin and then its argument prototype would still apply.  */
-+char $ac_func ();
-+/* The GNU C library defines this for functions which it implements
-+    to always fail with ENOSYS.  Some functions are actually named
-+    something starting with __ and the normal name is an alias.  */
-+#if defined (__stub_$ac_func) || defined (__stub___$ac_func)
-+choke me
-+#else
-+char (*f) () = $ac_func;
-+#endif
-+#ifdef __cplusplus
-+}
-+#endif
-+
-+int
-+main ()
-+{
-+return f != $ac_func;
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext conftest$ac_exeext
-+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-+  (eval $ac_link) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_c_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest$ac_exeext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  eval "$as_ac_var=yes"
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+eval "$as_ac_var=no"
-+fi
-+rm -f conftest.err conftest.$ac_objext \
-+      conftest$ac_exeext conftest.$ac_ext
-+fi
-+echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_var'}'`" >&5
-+echo "${ECHO_T}`eval echo '${'$as_ac_var'}'`" >&6
-+if test `eval echo '${'$as_ac_var'}'` = yes; then
-+  cat >>confdefs.h <<_ACEOF
-+#define `echo "HAVE_$ac_func" | $as_tr_cpp` 1
-+_ACEOF
-+
-+fi
-+done
-+
-+    fi
-+  fi
-+
-+
-+
-+  echo "$as_me:$LINENO: checking for frexpf declaration" >&5
-+echo $ECHO_N "checking for frexpf declaration... $ECHO_C" >&6
-+  if test x${glibcxx_cv_func_frexpf_use+set} != xset; then
-+    if test "${glibcxx_cv_func_frexpf_use+set}" = set; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+
-+
-+
-+      ac_ext=cc
-+ac_cpp='$CXXCPP $CPPFLAGS'
-+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
-+
-+      cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+#include <math.h>
-+int
-+main ()
-+{
-+ frexpf(0, 0);
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext
-+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-+  (eval $ac_compile) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_cxx_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest.$ac_objext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  glibcxx_cv_func_frexpf_use=yes
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+glibcxx_cv_func_frexpf_use=no
-+fi
-+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
-+      ac_ext=c
-+ac_cpp='$CPP $CPPFLAGS'
-+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_c_compiler_gnu
-+
-+
-+fi
-+
-+  fi
-+  echo "$as_me:$LINENO: result: $glibcxx_cv_func_frexpf_use" >&5
-+echo "${ECHO_T}$glibcxx_cv_func_frexpf_use" >&6
-+
-+  if test x$glibcxx_cv_func_frexpf_use = x"yes"; then
-+
-+for ac_func in frexpf
-+do
-+as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh`
-+echo "$as_me:$LINENO: checking for $ac_func" >&5
-+echo $ECHO_N "checking for $ac_func... $ECHO_C" >&6
-+if eval "test \"\${$as_ac_var+set}\" = set"; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+  if test x$gcc_no_link = xyes; then
-+  { { echo "$as_me:$LINENO: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&5
-+echo "$as_me: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&2;}
-+   { (exit 1); exit 1; }; }
-+fi
-+cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+/* Define $ac_func to an innocuous variant, in case <limits.h> declares $ac_func.
-+   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
-+#define $ac_func innocuous_$ac_func
-+
-+/* System header to define __stub macros and hopefully few prototypes,
-+    which can conflict with char $ac_func (); below.
-+    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
-+    <limits.h> exists even on freestanding compilers.  */
-+
-+#ifdef __STDC__
-+# include <limits.h>
-+#else
-+# include <assert.h>
-+#endif
-+
-+#undef $ac_func
-+
-+/* Override any gcc2 internal prototype to avoid an error.  */
-+#ifdef __cplusplus
-+extern "C"
-+{
-+#endif
-+/* We use char because int might match the return type of a gcc2
-+   builtin and then its argument prototype would still apply.  */
-+char $ac_func ();
-+/* The GNU C library defines this for functions which it implements
-+    to always fail with ENOSYS.  Some functions are actually named
-+    something starting with __ and the normal name is an alias.  */
-+#if defined (__stub_$ac_func) || defined (__stub___$ac_func)
-+choke me
-+#else
-+char (*f) () = $ac_func;
-+#endif
-+#ifdef __cplusplus
-+}
-+#endif
-+
-+int
-+main ()
-+{
-+return f != $ac_func;
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext conftest$ac_exeext
-+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-+  (eval $ac_link) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_c_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest$ac_exeext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  eval "$as_ac_var=yes"
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+eval "$as_ac_var=no"
-+fi
-+rm -f conftest.err conftest.$ac_objext \
-+      conftest$ac_exeext conftest.$ac_ext
-+fi
-+echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_var'}'`" >&5
-+echo "${ECHO_T}`eval echo '${'$as_ac_var'}'`" >&6
-+if test `eval echo '${'$as_ac_var'}'` = yes; then
-+  cat >>confdefs.h <<_ACEOF
-+#define `echo "HAVE_$ac_func" | $as_tr_cpp` 1
-+_ACEOF
-+
-+fi
-+done
-+
-+  else
-+
-+  echo "$as_me:$LINENO: checking for _frexpf declaration" >&5
-+echo $ECHO_N "checking for _frexpf declaration... $ECHO_C" >&6
-+  if test x${glibcxx_cv_func__frexpf_use+set} != xset; then
-+    if test "${glibcxx_cv_func__frexpf_use+set}" = set; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+
-+
-+
-+      ac_ext=cc
-+ac_cpp='$CXXCPP $CPPFLAGS'
-+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
-+
-+      cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+#include <math.h>
-+int
-+main ()
-+{
-+ _frexpf(0, 0);
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext
-+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-+  (eval $ac_compile) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_cxx_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest.$ac_objext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  glibcxx_cv_func__frexpf_use=yes
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+glibcxx_cv_func__frexpf_use=no
-+fi
-+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
-+      ac_ext=c
-+ac_cpp='$CPP $CPPFLAGS'
-+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_c_compiler_gnu
-+
-+
-+fi
-+
-+  fi
-+  echo "$as_me:$LINENO: result: $glibcxx_cv_func__frexpf_use" >&5
-+echo "${ECHO_T}$glibcxx_cv_func__frexpf_use" >&6
-+
-+    if test x$glibcxx_cv_func__frexpf_use = x"yes"; then
-+
-+for ac_func in _frexpf
-+do
-+as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh`
-+echo "$as_me:$LINENO: checking for $ac_func" >&5
-+echo $ECHO_N "checking for $ac_func... $ECHO_C" >&6
-+if eval "test \"\${$as_ac_var+set}\" = set"; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+  if test x$gcc_no_link = xyes; then
-+  { { echo "$as_me:$LINENO: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&5
-+echo "$as_me: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&2;}
-+   { (exit 1); exit 1; }; }
-+fi
-+cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+/* Define $ac_func to an innocuous variant, in case <limits.h> declares $ac_func.
-+   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
-+#define $ac_func innocuous_$ac_func
-+
-+/* System header to define __stub macros and hopefully few prototypes,
-+    which can conflict with char $ac_func (); below.
-+    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
-+    <limits.h> exists even on freestanding compilers.  */
-+
-+#ifdef __STDC__
-+# include <limits.h>
-+#else
-+# include <assert.h>
-+#endif
-+
-+#undef $ac_func
-+
-+/* Override any gcc2 internal prototype to avoid an error.  */
-+#ifdef __cplusplus
-+extern "C"
-+{
-+#endif
-+/* We use char because int might match the return type of a gcc2
-+   builtin and then its argument prototype would still apply.  */
-+char $ac_func ();
-+/* The GNU C library defines this for functions which it implements
-+    to always fail with ENOSYS.  Some functions are actually named
-+    something starting with __ and the normal name is an alias.  */
-+#if defined (__stub_$ac_func) || defined (__stub___$ac_func)
-+choke me
-+#else
-+char (*f) () = $ac_func;
-+#endif
-+#ifdef __cplusplus
-+}
-+#endif
-+
-+int
-+main ()
-+{
-+return f != $ac_func;
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext conftest$ac_exeext
-+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-+  (eval $ac_link) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_c_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest$ac_exeext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  eval "$as_ac_var=yes"
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+eval "$as_ac_var=no"
-+fi
-+rm -f conftest.err conftest.$ac_objext \
-+      conftest$ac_exeext conftest.$ac_ext
-+fi
-+echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_var'}'`" >&5
-+echo "${ECHO_T}`eval echo '${'$as_ac_var'}'`" >&6
-+if test `eval echo '${'$as_ac_var'}'` = yes; then
-+  cat >>confdefs.h <<_ACEOF
-+#define `echo "HAVE_$ac_func" | $as_tr_cpp` 1
-+_ACEOF
-+
-+fi
-+done
-+
-+    fi
-+  fi
-+
-+
-+
-+  echo "$as_me:$LINENO: checking for hypotf declaration" >&5
-+echo $ECHO_N "checking for hypotf declaration... $ECHO_C" >&6
-+  if test x${glibcxx_cv_func_hypotf_use+set} != xset; then
-+    if test "${glibcxx_cv_func_hypotf_use+set}" = set; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+
-+
-+
-+      ac_ext=cc
-+ac_cpp='$CXXCPP $CPPFLAGS'
-+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
-+
-+      cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+#include <math.h>
-+int
-+main ()
-+{
-+ hypotf(0, 0);
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext
-+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-+  (eval $ac_compile) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_cxx_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest.$ac_objext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  glibcxx_cv_func_hypotf_use=yes
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+glibcxx_cv_func_hypotf_use=no
-+fi
-+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
-+      ac_ext=c
-+ac_cpp='$CPP $CPPFLAGS'
-+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_c_compiler_gnu
-+
-+
-+fi
-+
-+  fi
-+  echo "$as_me:$LINENO: result: $glibcxx_cv_func_hypotf_use" >&5
-+echo "${ECHO_T}$glibcxx_cv_func_hypotf_use" >&6
-+
-+  if test x$glibcxx_cv_func_hypotf_use = x"yes"; then
-+
-+for ac_func in hypotf
-+do
-+as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh`
-+echo "$as_me:$LINENO: checking for $ac_func" >&5
-+echo $ECHO_N "checking for $ac_func... $ECHO_C" >&6
-+if eval "test \"\${$as_ac_var+set}\" = set"; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+  if test x$gcc_no_link = xyes; then
-+  { { echo "$as_me:$LINENO: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&5
-+echo "$as_me: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&2;}
-+   { (exit 1); exit 1; }; }
-+fi
-+cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+/* Define $ac_func to an innocuous variant, in case <limits.h> declares $ac_func.
-+   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
-+#define $ac_func innocuous_$ac_func
-+
-+/* System header to define __stub macros and hopefully few prototypes,
-+    which can conflict with char $ac_func (); below.
-+    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
-+    <limits.h> exists even on freestanding compilers.  */
-+
-+#ifdef __STDC__
-+# include <limits.h>
-+#else
-+# include <assert.h>
-+#endif
-+
-+#undef $ac_func
-+
-+/* Override any gcc2 internal prototype to avoid an error.  */
-+#ifdef __cplusplus
-+extern "C"
-+{
-+#endif
-+/* We use char because int might match the return type of a gcc2
-+   builtin and then its argument prototype would still apply.  */
-+char $ac_func ();
-+/* The GNU C library defines this for functions which it implements
-+    to always fail with ENOSYS.  Some functions are actually named
-+    something starting with __ and the normal name is an alias.  */
-+#if defined (__stub_$ac_func) || defined (__stub___$ac_func)
-+choke me
-+#else
-+char (*f) () = $ac_func;
-+#endif
-+#ifdef __cplusplus
-+}
-+#endif
-+
-+int
-+main ()
-+{
-+return f != $ac_func;
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext conftest$ac_exeext
-+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-+  (eval $ac_link) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_c_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest$ac_exeext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  eval "$as_ac_var=yes"
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+eval "$as_ac_var=no"
-+fi
-+rm -f conftest.err conftest.$ac_objext \
-+      conftest$ac_exeext conftest.$ac_ext
-+fi
-+echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_var'}'`" >&5
-+echo "${ECHO_T}`eval echo '${'$as_ac_var'}'`" >&6
-+if test `eval echo '${'$as_ac_var'}'` = yes; then
-+  cat >>confdefs.h <<_ACEOF
-+#define `echo "HAVE_$ac_func" | $as_tr_cpp` 1
-+_ACEOF
-+
-+fi
-+done
-+
-+  else
-+
-+  echo "$as_me:$LINENO: checking for _hypotf declaration" >&5
-+echo $ECHO_N "checking for _hypotf declaration... $ECHO_C" >&6
-+  if test x${glibcxx_cv_func__hypotf_use+set} != xset; then
-+    if test "${glibcxx_cv_func__hypotf_use+set}" = set; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+
-+
-+
-+      ac_ext=cc
-+ac_cpp='$CXXCPP $CPPFLAGS'
-+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
-+
-+      cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+#include <math.h>
-+int
-+main ()
-+{
-+ _hypotf(0, 0);
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext
-+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-+  (eval $ac_compile) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_cxx_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest.$ac_objext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  glibcxx_cv_func__hypotf_use=yes
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+glibcxx_cv_func__hypotf_use=no
-+fi
-+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
-+      ac_ext=c
-+ac_cpp='$CPP $CPPFLAGS'
-+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_c_compiler_gnu
-+
-+
-+fi
-+
-+  fi
-+  echo "$as_me:$LINENO: result: $glibcxx_cv_func__hypotf_use" >&5
-+echo "${ECHO_T}$glibcxx_cv_func__hypotf_use" >&6
-+
-+    if test x$glibcxx_cv_func__hypotf_use = x"yes"; then
-+
-+for ac_func in _hypotf
-+do
-+as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh`
-+echo "$as_me:$LINENO: checking for $ac_func" >&5
-+echo $ECHO_N "checking for $ac_func... $ECHO_C" >&6
-+if eval "test \"\${$as_ac_var+set}\" = set"; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+  if test x$gcc_no_link = xyes; then
-+  { { echo "$as_me:$LINENO: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&5
-+echo "$as_me: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&2;}
-+   { (exit 1); exit 1; }; }
-+fi
-+cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+/* Define $ac_func to an innocuous variant, in case <limits.h> declares $ac_func.
-+   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
-+#define $ac_func innocuous_$ac_func
-+
-+/* System header to define __stub macros and hopefully few prototypes,
-+    which can conflict with char $ac_func (); below.
-+    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
-+    <limits.h> exists even on freestanding compilers.  */
-+
-+#ifdef __STDC__
-+# include <limits.h>
-+#else
-+# include <assert.h>
-+#endif
-+
-+#undef $ac_func
-+
-+/* Override any gcc2 internal prototype to avoid an error.  */
-+#ifdef __cplusplus
-+extern "C"
-+{
-+#endif
-+/* We use char because int might match the return type of a gcc2
-+   builtin and then its argument prototype would still apply.  */
-+char $ac_func ();
-+/* The GNU C library defines this for functions which it implements
-+    to always fail with ENOSYS.  Some functions are actually named
-+    something starting with __ and the normal name is an alias.  */
-+#if defined (__stub_$ac_func) || defined (__stub___$ac_func)
-+choke me
-+#else
-+char (*f) () = $ac_func;
-+#endif
-+#ifdef __cplusplus
-+}
-+#endif
-+
-+int
-+main ()
-+{
-+return f != $ac_func;
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext conftest$ac_exeext
-+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-+  (eval $ac_link) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_c_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest$ac_exeext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  eval "$as_ac_var=yes"
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+eval "$as_ac_var=no"
-+fi
-+rm -f conftest.err conftest.$ac_objext \
-+      conftest$ac_exeext conftest.$ac_ext
-+fi
-+echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_var'}'`" >&5
-+echo "${ECHO_T}`eval echo '${'$as_ac_var'}'`" >&6
-+if test `eval echo '${'$as_ac_var'}'` = yes; then
-+  cat >>confdefs.h <<_ACEOF
-+#define `echo "HAVE_$ac_func" | $as_tr_cpp` 1
-+_ACEOF
-+
-+fi
-+done
-+
-+    fi
-+  fi
-+
-+
-+
-+  echo "$as_me:$LINENO: checking for ldexpf declaration" >&5
-+echo $ECHO_N "checking for ldexpf declaration... $ECHO_C" >&6
-+  if test x${glibcxx_cv_func_ldexpf_use+set} != xset; then
-+    if test "${glibcxx_cv_func_ldexpf_use+set}" = set; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+
-+
-+
-+      ac_ext=cc
-+ac_cpp='$CXXCPP $CPPFLAGS'
-+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
-+
-+      cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+#include <math.h>
-+int
-+main ()
-+{
-+ ldexpf(0, 0);
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext
-+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-+  (eval $ac_compile) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_cxx_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest.$ac_objext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  glibcxx_cv_func_ldexpf_use=yes
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+glibcxx_cv_func_ldexpf_use=no
-+fi
-+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
-+      ac_ext=c
-+ac_cpp='$CPP $CPPFLAGS'
-+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_c_compiler_gnu
-+
-+
-+fi
-+
-+  fi
-+  echo "$as_me:$LINENO: result: $glibcxx_cv_func_ldexpf_use" >&5
-+echo "${ECHO_T}$glibcxx_cv_func_ldexpf_use" >&6
-+
-+  if test x$glibcxx_cv_func_ldexpf_use = x"yes"; then
-+
-+for ac_func in ldexpf
-+do
-+as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh`
-+echo "$as_me:$LINENO: checking for $ac_func" >&5
-+echo $ECHO_N "checking for $ac_func... $ECHO_C" >&6
-+if eval "test \"\${$as_ac_var+set}\" = set"; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+  if test x$gcc_no_link = xyes; then
-+  { { echo "$as_me:$LINENO: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&5
-+echo "$as_me: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&2;}
-+   { (exit 1); exit 1; }; }
-+fi
-+cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+/* Define $ac_func to an innocuous variant, in case <limits.h> declares $ac_func.
-+   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
-+#define $ac_func innocuous_$ac_func
-+
-+/* System header to define __stub macros and hopefully few prototypes,
-+    which can conflict with char $ac_func (); below.
-+    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
-+    <limits.h> exists even on freestanding compilers.  */
-+
-+#ifdef __STDC__
-+# include <limits.h>
-+#else
-+# include <assert.h>
-+#endif
-+
-+#undef $ac_func
-+
-+/* Override any gcc2 internal prototype to avoid an error.  */
-+#ifdef __cplusplus
-+extern "C"
-+{
-+#endif
-+/* We use char because int might match the return type of a gcc2
-+   builtin and then its argument prototype would still apply.  */
-+char $ac_func ();
-+/* The GNU C library defines this for functions which it implements
-+    to always fail with ENOSYS.  Some functions are actually named
-+    something starting with __ and the normal name is an alias.  */
-+#if defined (__stub_$ac_func) || defined (__stub___$ac_func)
-+choke me
-+#else
-+char (*f) () = $ac_func;
-+#endif
-+#ifdef __cplusplus
-+}
-+#endif
-+
-+int
-+main ()
-+{
-+return f != $ac_func;
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext conftest$ac_exeext
-+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-+  (eval $ac_link) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_c_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest$ac_exeext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  eval "$as_ac_var=yes"
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+eval "$as_ac_var=no"
-+fi
-+rm -f conftest.err conftest.$ac_objext \
-+      conftest$ac_exeext conftest.$ac_ext
-+fi
-+echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_var'}'`" >&5
-+echo "${ECHO_T}`eval echo '${'$as_ac_var'}'`" >&6
-+if test `eval echo '${'$as_ac_var'}'` = yes; then
-+  cat >>confdefs.h <<_ACEOF
-+#define `echo "HAVE_$ac_func" | $as_tr_cpp` 1
-+_ACEOF
-+
-+fi
-+done
-+
-+  else
-+
-+  echo "$as_me:$LINENO: checking for _ldexpf declaration" >&5
-+echo $ECHO_N "checking for _ldexpf declaration... $ECHO_C" >&6
-+  if test x${glibcxx_cv_func__ldexpf_use+set} != xset; then
-+    if test "${glibcxx_cv_func__ldexpf_use+set}" = set; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+
-+
-+
-+      ac_ext=cc
-+ac_cpp='$CXXCPP $CPPFLAGS'
-+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
-+
-+      cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+#include <math.h>
-+int
-+main ()
-+{
-+ _ldexpf(0, 0);
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext
-+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-+  (eval $ac_compile) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_cxx_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest.$ac_objext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  glibcxx_cv_func__ldexpf_use=yes
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+glibcxx_cv_func__ldexpf_use=no
-+fi
-+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
-+      ac_ext=c
-+ac_cpp='$CPP $CPPFLAGS'
-+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_c_compiler_gnu
-+
-+
-+fi
-+
-+  fi
-+  echo "$as_me:$LINENO: result: $glibcxx_cv_func__ldexpf_use" >&5
-+echo "${ECHO_T}$glibcxx_cv_func__ldexpf_use" >&6
-+
-+    if test x$glibcxx_cv_func__ldexpf_use = x"yes"; then
-+
-+for ac_func in _ldexpf
-+do
-+as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh`
-+echo "$as_me:$LINENO: checking for $ac_func" >&5
-+echo $ECHO_N "checking for $ac_func... $ECHO_C" >&6
-+if eval "test \"\${$as_ac_var+set}\" = set"; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+  if test x$gcc_no_link = xyes; then
-+  { { echo "$as_me:$LINENO: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&5
-+echo "$as_me: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&2;}
-+   { (exit 1); exit 1; }; }
-+fi
-+cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+/* Define $ac_func to an innocuous variant, in case <limits.h> declares $ac_func.
-+   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
-+#define $ac_func innocuous_$ac_func
-+
-+/* System header to define __stub macros and hopefully few prototypes,
-+    which can conflict with char $ac_func (); below.
-+    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
-+    <limits.h> exists even on freestanding compilers.  */
-+
-+#ifdef __STDC__
-+# include <limits.h>
-+#else
-+# include <assert.h>
-+#endif
-+
-+#undef $ac_func
-+
-+/* Override any gcc2 internal prototype to avoid an error.  */
-+#ifdef __cplusplus
-+extern "C"
-+{
-+#endif
-+/* We use char because int might match the return type of a gcc2
-+   builtin and then its argument prototype would still apply.  */
-+char $ac_func ();
-+/* The GNU C library defines this for functions which it implements
-+    to always fail with ENOSYS.  Some functions are actually named
-+    something starting with __ and the normal name is an alias.  */
-+#if defined (__stub_$ac_func) || defined (__stub___$ac_func)
-+choke me
-+#else
-+char (*f) () = $ac_func;
-+#endif
-+#ifdef __cplusplus
-+}
-+#endif
-+
-+int
-+main ()
-+{
-+return f != $ac_func;
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext conftest$ac_exeext
-+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-+  (eval $ac_link) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_c_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest$ac_exeext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  eval "$as_ac_var=yes"
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+eval "$as_ac_var=no"
-+fi
-+rm -f conftest.err conftest.$ac_objext \
-+      conftest$ac_exeext conftest.$ac_ext
-+fi
-+echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_var'}'`" >&5
-+echo "${ECHO_T}`eval echo '${'$as_ac_var'}'`" >&6
-+if test `eval echo '${'$as_ac_var'}'` = yes; then
-+  cat >>confdefs.h <<_ACEOF
-+#define `echo "HAVE_$ac_func" | $as_tr_cpp` 1
-+_ACEOF
-+
-+fi
-+done
-+
-+    fi
-+  fi
-+
-+
-+
-+  echo "$as_me:$LINENO: checking for logf declaration" >&5
-+echo $ECHO_N "checking for logf declaration... $ECHO_C" >&6
-+  if test x${glibcxx_cv_func_logf_use+set} != xset; then
-+    if test "${glibcxx_cv_func_logf_use+set}" = set; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+
-+
-+
-+      ac_ext=cc
-+ac_cpp='$CXXCPP $CPPFLAGS'
-+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
-+
-+      cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+#include <math.h>
-+		      #ifdef HAVE_IEEEFP_H
-+		      #include <ieeefp.h>
-+		      #endif
-+
-+int
-+main ()
-+{
-+ logf(0);
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext
-+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-+  (eval $ac_compile) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_cxx_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest.$ac_objext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  glibcxx_cv_func_logf_use=yes
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+glibcxx_cv_func_logf_use=no
-+fi
-+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
-+      ac_ext=c
-+ac_cpp='$CPP $CPPFLAGS'
-+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_c_compiler_gnu
-+
-+
-+fi
-+
-+  fi
-+  echo "$as_me:$LINENO: result: $glibcxx_cv_func_logf_use" >&5
-+echo "${ECHO_T}$glibcxx_cv_func_logf_use" >&6
-+
-+  if test x$glibcxx_cv_func_logf_use = x"yes"; then
-+
-+for ac_func in logf
-+do
-+as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh`
-+echo "$as_me:$LINENO: checking for $ac_func" >&5
-+echo $ECHO_N "checking for $ac_func... $ECHO_C" >&6
-+if eval "test \"\${$as_ac_var+set}\" = set"; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+  if test x$gcc_no_link = xyes; then
-+  { { echo "$as_me:$LINENO: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&5
-+echo "$as_me: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&2;}
-+   { (exit 1); exit 1; }; }
-+fi
-+cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+/* Define $ac_func to an innocuous variant, in case <limits.h> declares $ac_func.
-+   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
-+#define $ac_func innocuous_$ac_func
-+
-+/* System header to define __stub macros and hopefully few prototypes,
-+    which can conflict with char $ac_func (); below.
-+    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
-+    <limits.h> exists even on freestanding compilers.  */
-+
-+#ifdef __STDC__
-+# include <limits.h>
-+#else
-+# include <assert.h>
-+#endif
-+
-+#undef $ac_func
-+
-+/* Override any gcc2 internal prototype to avoid an error.  */
-+#ifdef __cplusplus
-+extern "C"
-+{
-+#endif
-+/* We use char because int might match the return type of a gcc2
-+   builtin and then its argument prototype would still apply.  */
-+char $ac_func ();
-+/* The GNU C library defines this for functions which it implements
-+    to always fail with ENOSYS.  Some functions are actually named
-+    something starting with __ and the normal name is an alias.  */
-+#if defined (__stub_$ac_func) || defined (__stub___$ac_func)
-+choke me
-+#else
-+char (*f) () = $ac_func;
-+#endif
-+#ifdef __cplusplus
-+}
-+#endif
-+
-+int
-+main ()
-+{
-+return f != $ac_func;
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext conftest$ac_exeext
-+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-+  (eval $ac_link) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_c_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest$ac_exeext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  eval "$as_ac_var=yes"
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+eval "$as_ac_var=no"
-+fi
-+rm -f conftest.err conftest.$ac_objext \
-+      conftest$ac_exeext conftest.$ac_ext
-+fi
-+echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_var'}'`" >&5
-+echo "${ECHO_T}`eval echo '${'$as_ac_var'}'`" >&6
-+if test `eval echo '${'$as_ac_var'}'` = yes; then
-+  cat >>confdefs.h <<_ACEOF
-+#define `echo "HAVE_$ac_func" | $as_tr_cpp` 1
-+_ACEOF
-+
-+fi
-+done
-+
-+  else
-+
-+  echo "$as_me:$LINENO: checking for _logf declaration" >&5
-+echo $ECHO_N "checking for _logf declaration... $ECHO_C" >&6
-+  if test x${glibcxx_cv_func__logf_use+set} != xset; then
-+    if test "${glibcxx_cv_func__logf_use+set}" = set; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+
-+
-+
-+      ac_ext=cc
-+ac_cpp='$CXXCPP $CPPFLAGS'
-+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
-+
-+      cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+#include <math.h>
-+		      #ifdef HAVE_IEEEFP_H
-+		      #include <ieeefp.h>
-+		      #endif
-+
-+int
-+main ()
-+{
-+ _logf(0);
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext
-+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-+  (eval $ac_compile) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_cxx_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest.$ac_objext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  glibcxx_cv_func__logf_use=yes
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+glibcxx_cv_func__logf_use=no
-+fi
-+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
-+      ac_ext=c
-+ac_cpp='$CPP $CPPFLAGS'
-+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_c_compiler_gnu
-+
-+
-+fi
-+
-+  fi
-+  echo "$as_me:$LINENO: result: $glibcxx_cv_func__logf_use" >&5
-+echo "${ECHO_T}$glibcxx_cv_func__logf_use" >&6
-+
-+    if test x$glibcxx_cv_func__logf_use = x"yes"; then
-+
-+for ac_func in _logf
-+do
-+as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh`
-+echo "$as_me:$LINENO: checking for $ac_func" >&5
-+echo $ECHO_N "checking for $ac_func... $ECHO_C" >&6
-+if eval "test \"\${$as_ac_var+set}\" = set"; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+  if test x$gcc_no_link = xyes; then
-+  { { echo "$as_me:$LINENO: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&5
-+echo "$as_me: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&2;}
-+   { (exit 1); exit 1; }; }
-+fi
-+cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+/* Define $ac_func to an innocuous variant, in case <limits.h> declares $ac_func.
-+   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
-+#define $ac_func innocuous_$ac_func
-+
-+/* System header to define __stub macros and hopefully few prototypes,
-+    which can conflict with char $ac_func (); below.
-+    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
-+    <limits.h> exists even on freestanding compilers.  */
-+
-+#ifdef __STDC__
-+# include <limits.h>
-+#else
-+# include <assert.h>
-+#endif
-+
-+#undef $ac_func
-+
-+/* Override any gcc2 internal prototype to avoid an error.  */
-+#ifdef __cplusplus
-+extern "C"
-+{
-+#endif
-+/* We use char because int might match the return type of a gcc2
-+   builtin and then its argument prototype would still apply.  */
-+char $ac_func ();
-+/* The GNU C library defines this for functions which it implements
-+    to always fail with ENOSYS.  Some functions are actually named
-+    something starting with __ and the normal name is an alias.  */
-+#if defined (__stub_$ac_func) || defined (__stub___$ac_func)
-+choke me
-+#else
-+char (*f) () = $ac_func;
-+#endif
-+#ifdef __cplusplus
-+}
-+#endif
-+
-+int
-+main ()
-+{
-+return f != $ac_func;
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext conftest$ac_exeext
-+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-+  (eval $ac_link) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_c_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest$ac_exeext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  eval "$as_ac_var=yes"
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+eval "$as_ac_var=no"
-+fi
-+rm -f conftest.err conftest.$ac_objext \
-+      conftest$ac_exeext conftest.$ac_ext
-+fi
-+echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_var'}'`" >&5
-+echo "${ECHO_T}`eval echo '${'$as_ac_var'}'`" >&6
-+if test `eval echo '${'$as_ac_var'}'` = yes; then
-+  cat >>confdefs.h <<_ACEOF
-+#define `echo "HAVE_$ac_func" | $as_tr_cpp` 1
-+_ACEOF
-+
-+fi
-+done
-+
-+    fi
-+  fi
-+
-+
-+
-+  echo "$as_me:$LINENO: checking for log10f declaration" >&5
-+echo $ECHO_N "checking for log10f declaration... $ECHO_C" >&6
-+  if test x${glibcxx_cv_func_log10f_use+set} != xset; then
-+    if test "${glibcxx_cv_func_log10f_use+set}" = set; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+
-+
-+
-+      ac_ext=cc
-+ac_cpp='$CXXCPP $CPPFLAGS'
-+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
-+
-+      cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+#include <math.h>
-+		      #ifdef HAVE_IEEEFP_H
-+		      #include <ieeefp.h>
-+		      #endif
-+
-+int
-+main ()
-+{
-+ log10f(0);
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext
-+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-+  (eval $ac_compile) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_cxx_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest.$ac_objext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  glibcxx_cv_func_log10f_use=yes
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+glibcxx_cv_func_log10f_use=no
-+fi
-+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
-+      ac_ext=c
-+ac_cpp='$CPP $CPPFLAGS'
-+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_c_compiler_gnu
-+
-+
-+fi
-+
-+  fi
-+  echo "$as_me:$LINENO: result: $glibcxx_cv_func_log10f_use" >&5
-+echo "${ECHO_T}$glibcxx_cv_func_log10f_use" >&6
-+
-+  if test x$glibcxx_cv_func_log10f_use = x"yes"; then
-+
-+for ac_func in log10f
-+do
-+as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh`
-+echo "$as_me:$LINENO: checking for $ac_func" >&5
-+echo $ECHO_N "checking for $ac_func... $ECHO_C" >&6
-+if eval "test \"\${$as_ac_var+set}\" = set"; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+  if test x$gcc_no_link = xyes; then
-+  { { echo "$as_me:$LINENO: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&5
-+echo "$as_me: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&2;}
-+   { (exit 1); exit 1; }; }
-+fi
-+cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+/* Define $ac_func to an innocuous variant, in case <limits.h> declares $ac_func.
-+   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
-+#define $ac_func innocuous_$ac_func
-+
-+/* System header to define __stub macros and hopefully few prototypes,
-+    which can conflict with char $ac_func (); below.
-+    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
-+    <limits.h> exists even on freestanding compilers.  */
-+
-+#ifdef __STDC__
-+# include <limits.h>
-+#else
-+# include <assert.h>
-+#endif
-+
-+#undef $ac_func
-+
-+/* Override any gcc2 internal prototype to avoid an error.  */
-+#ifdef __cplusplus
-+extern "C"
-+{
-+#endif
-+/* We use char because int might match the return type of a gcc2
-+   builtin and then its argument prototype would still apply.  */
-+char $ac_func ();
-+/* The GNU C library defines this for functions which it implements
-+    to always fail with ENOSYS.  Some functions are actually named
-+    something starting with __ and the normal name is an alias.  */
-+#if defined (__stub_$ac_func) || defined (__stub___$ac_func)
-+choke me
-+#else
-+char (*f) () = $ac_func;
-+#endif
-+#ifdef __cplusplus
-+}
-+#endif
-+
-+int
-+main ()
-+{
-+return f != $ac_func;
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext conftest$ac_exeext
-+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-+  (eval $ac_link) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_c_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest$ac_exeext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  eval "$as_ac_var=yes"
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+eval "$as_ac_var=no"
-+fi
-+rm -f conftest.err conftest.$ac_objext \
-+      conftest$ac_exeext conftest.$ac_ext
-+fi
-+echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_var'}'`" >&5
-+echo "${ECHO_T}`eval echo '${'$as_ac_var'}'`" >&6
-+if test `eval echo '${'$as_ac_var'}'` = yes; then
-+  cat >>confdefs.h <<_ACEOF
-+#define `echo "HAVE_$ac_func" | $as_tr_cpp` 1
-+_ACEOF
-+
-+fi
-+done
-+
-+  else
-+
-+  echo "$as_me:$LINENO: checking for _log10f declaration" >&5
-+echo $ECHO_N "checking for _log10f declaration... $ECHO_C" >&6
-+  if test x${glibcxx_cv_func__log10f_use+set} != xset; then
-+    if test "${glibcxx_cv_func__log10f_use+set}" = set; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+
-+
-+
-+      ac_ext=cc
-+ac_cpp='$CXXCPP $CPPFLAGS'
-+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
-+
-+      cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+#include <math.h>
-+		      #ifdef HAVE_IEEEFP_H
-+		      #include <ieeefp.h>
-+		      #endif
-+
-+int
-+main ()
-+{
-+ _log10f(0);
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext
-+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-+  (eval $ac_compile) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_cxx_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest.$ac_objext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  glibcxx_cv_func__log10f_use=yes
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+glibcxx_cv_func__log10f_use=no
-+fi
-+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
-+      ac_ext=c
-+ac_cpp='$CPP $CPPFLAGS'
-+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_c_compiler_gnu
-+
-+
-+fi
-+
-+  fi
-+  echo "$as_me:$LINENO: result: $glibcxx_cv_func__log10f_use" >&5
-+echo "${ECHO_T}$glibcxx_cv_func__log10f_use" >&6
-+
-+    if test x$glibcxx_cv_func__log10f_use = x"yes"; then
-+
-+for ac_func in _log10f
-+do
-+as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh`
-+echo "$as_me:$LINENO: checking for $ac_func" >&5
-+echo $ECHO_N "checking for $ac_func... $ECHO_C" >&6
-+if eval "test \"\${$as_ac_var+set}\" = set"; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+  if test x$gcc_no_link = xyes; then
-+  { { echo "$as_me:$LINENO: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&5
-+echo "$as_me: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&2;}
-+   { (exit 1); exit 1; }; }
-+fi
-+cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+/* Define $ac_func to an innocuous variant, in case <limits.h> declares $ac_func.
-+   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
-+#define $ac_func innocuous_$ac_func
-+
-+/* System header to define __stub macros and hopefully few prototypes,
-+    which can conflict with char $ac_func (); below.
-+    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
-+    <limits.h> exists even on freestanding compilers.  */
-+
-+#ifdef __STDC__
-+# include <limits.h>
-+#else
-+# include <assert.h>
-+#endif
-+
-+#undef $ac_func
-+
-+/* Override any gcc2 internal prototype to avoid an error.  */
-+#ifdef __cplusplus
-+extern "C"
-+{
-+#endif
-+/* We use char because int might match the return type of a gcc2
-+   builtin and then its argument prototype would still apply.  */
-+char $ac_func ();
-+/* The GNU C library defines this for functions which it implements
-+    to always fail with ENOSYS.  Some functions are actually named
-+    something starting with __ and the normal name is an alias.  */
-+#if defined (__stub_$ac_func) || defined (__stub___$ac_func)
-+choke me
-+#else
-+char (*f) () = $ac_func;
-+#endif
-+#ifdef __cplusplus
-+}
-+#endif
-+
-+int
-+main ()
-+{
-+return f != $ac_func;
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext conftest$ac_exeext
-+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-+  (eval $ac_link) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_c_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest$ac_exeext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  eval "$as_ac_var=yes"
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+eval "$as_ac_var=no"
-+fi
-+rm -f conftest.err conftest.$ac_objext \
-+      conftest$ac_exeext conftest.$ac_ext
-+fi
-+echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_var'}'`" >&5
-+echo "${ECHO_T}`eval echo '${'$as_ac_var'}'`" >&6
-+if test `eval echo '${'$as_ac_var'}'` = yes; then
-+  cat >>confdefs.h <<_ACEOF
-+#define `echo "HAVE_$ac_func" | $as_tr_cpp` 1
-+_ACEOF
-+
-+fi
-+done
-+
-+    fi
-+  fi
-+
-+
-+
-+  echo "$as_me:$LINENO: checking for modff declaration" >&5
-+echo $ECHO_N "checking for modff declaration... $ECHO_C" >&6
-+  if test x${glibcxx_cv_func_modff_use+set} != xset; then
-+    if test "${glibcxx_cv_func_modff_use+set}" = set; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+
-+
-+
-+      ac_ext=cc
-+ac_cpp='$CXXCPP $CPPFLAGS'
-+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
-+
-+      cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+#include <math.h>
-+int
-+main ()
-+{
-+ modff(0, 0);
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext
-+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-+  (eval $ac_compile) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_cxx_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest.$ac_objext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  glibcxx_cv_func_modff_use=yes
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+glibcxx_cv_func_modff_use=no
-+fi
-+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
-+      ac_ext=c
-+ac_cpp='$CPP $CPPFLAGS'
-+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_c_compiler_gnu
-+
-+
-+fi
-+
-+  fi
-+  echo "$as_me:$LINENO: result: $glibcxx_cv_func_modff_use" >&5
-+echo "${ECHO_T}$glibcxx_cv_func_modff_use" >&6
-+
-+  if test x$glibcxx_cv_func_modff_use = x"yes"; then
-+
-+for ac_func in modff
-+do
-+as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh`
-+echo "$as_me:$LINENO: checking for $ac_func" >&5
-+echo $ECHO_N "checking for $ac_func... $ECHO_C" >&6
-+if eval "test \"\${$as_ac_var+set}\" = set"; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+  if test x$gcc_no_link = xyes; then
-+  { { echo "$as_me:$LINENO: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&5
-+echo "$as_me: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&2;}
-+   { (exit 1); exit 1; }; }
-+fi
-+cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+/* Define $ac_func to an innocuous variant, in case <limits.h> declares $ac_func.
-+   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
-+#define $ac_func innocuous_$ac_func
-+
-+/* System header to define __stub macros and hopefully few prototypes,
-+    which can conflict with char $ac_func (); below.
-+    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
-+    <limits.h> exists even on freestanding compilers.  */
-+
-+#ifdef __STDC__
-+# include <limits.h>
-+#else
-+# include <assert.h>
-+#endif
-+
-+#undef $ac_func
-+
-+/* Override any gcc2 internal prototype to avoid an error.  */
-+#ifdef __cplusplus
-+extern "C"
-+{
-+#endif
-+/* We use char because int might match the return type of a gcc2
-+   builtin and then its argument prototype would still apply.  */
-+char $ac_func ();
-+/* The GNU C library defines this for functions which it implements
-+    to always fail with ENOSYS.  Some functions are actually named
-+    something starting with __ and the normal name is an alias.  */
-+#if defined (__stub_$ac_func) || defined (__stub___$ac_func)
-+choke me
-+#else
-+char (*f) () = $ac_func;
-+#endif
-+#ifdef __cplusplus
-+}
-+#endif
-+
-+int
-+main ()
-+{
-+return f != $ac_func;
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext conftest$ac_exeext
-+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-+  (eval $ac_link) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_c_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest$ac_exeext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  eval "$as_ac_var=yes"
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+eval "$as_ac_var=no"
-+fi
-+rm -f conftest.err conftest.$ac_objext \
-+      conftest$ac_exeext conftest.$ac_ext
-+fi
-+echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_var'}'`" >&5
-+echo "${ECHO_T}`eval echo '${'$as_ac_var'}'`" >&6
-+if test `eval echo '${'$as_ac_var'}'` = yes; then
-+  cat >>confdefs.h <<_ACEOF
-+#define `echo "HAVE_$ac_func" | $as_tr_cpp` 1
-+_ACEOF
-+
-+fi
-+done
-+
-+  else
-+
-+  echo "$as_me:$LINENO: checking for _modff declaration" >&5
-+echo $ECHO_N "checking for _modff declaration... $ECHO_C" >&6
-+  if test x${glibcxx_cv_func__modff_use+set} != xset; then
-+    if test "${glibcxx_cv_func__modff_use+set}" = set; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+
-+
-+
-+      ac_ext=cc
-+ac_cpp='$CXXCPP $CPPFLAGS'
-+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
-+
-+      cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+#include <math.h>
-+int
-+main ()
-+{
-+ _modff(0, 0);
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext
-+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-+  (eval $ac_compile) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_cxx_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest.$ac_objext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  glibcxx_cv_func__modff_use=yes
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+glibcxx_cv_func__modff_use=no
-+fi
-+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
-+      ac_ext=c
-+ac_cpp='$CPP $CPPFLAGS'
-+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_c_compiler_gnu
-+
-+
-+fi
-+
-+  fi
-+  echo "$as_me:$LINENO: result: $glibcxx_cv_func__modff_use" >&5
-+echo "${ECHO_T}$glibcxx_cv_func__modff_use" >&6
-+
-+    if test x$glibcxx_cv_func__modff_use = x"yes"; then
-+
-+for ac_func in _modff
-+do
-+as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh`
-+echo "$as_me:$LINENO: checking for $ac_func" >&5
-+echo $ECHO_N "checking for $ac_func... $ECHO_C" >&6
-+if eval "test \"\${$as_ac_var+set}\" = set"; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+  if test x$gcc_no_link = xyes; then
-+  { { echo "$as_me:$LINENO: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&5
-+echo "$as_me: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&2;}
-+   { (exit 1); exit 1; }; }
-+fi
-+cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+/* Define $ac_func to an innocuous variant, in case <limits.h> declares $ac_func.
-+   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
-+#define $ac_func innocuous_$ac_func
-+
-+/* System header to define __stub macros and hopefully few prototypes,
-+    which can conflict with char $ac_func (); below.
-+    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
-+    <limits.h> exists even on freestanding compilers.  */
-+
-+#ifdef __STDC__
-+# include <limits.h>
-+#else
-+# include <assert.h>
-+#endif
-+
-+#undef $ac_func
-+
-+/* Override any gcc2 internal prototype to avoid an error.  */
-+#ifdef __cplusplus
-+extern "C"
-+{
-+#endif
-+/* We use char because int might match the return type of a gcc2
-+   builtin and then its argument prototype would still apply.  */
-+char $ac_func ();
-+/* The GNU C library defines this for functions which it implements
-+    to always fail with ENOSYS.  Some functions are actually named
-+    something starting with __ and the normal name is an alias.  */
-+#if defined (__stub_$ac_func) || defined (__stub___$ac_func)
-+choke me
-+#else
-+char (*f) () = $ac_func;
-+#endif
-+#ifdef __cplusplus
-+}
-+#endif
-+
-+int
-+main ()
-+{
-+return f != $ac_func;
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext conftest$ac_exeext
-+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-+  (eval $ac_link) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_c_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest$ac_exeext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  eval "$as_ac_var=yes"
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+eval "$as_ac_var=no"
-+fi
-+rm -f conftest.err conftest.$ac_objext \
-+      conftest$ac_exeext conftest.$ac_ext
-+fi
-+echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_var'}'`" >&5
-+echo "${ECHO_T}`eval echo '${'$as_ac_var'}'`" >&6
-+if test `eval echo '${'$as_ac_var'}'` = yes; then
-+  cat >>confdefs.h <<_ACEOF
-+#define `echo "HAVE_$ac_func" | $as_tr_cpp` 1
-+_ACEOF
-+
-+fi
-+done
-+
-+    fi
-+  fi
-+
-+
-+
-+  echo "$as_me:$LINENO: checking for powf declaration" >&5
-+echo $ECHO_N "checking for powf declaration... $ECHO_C" >&6
-+  if test x${glibcxx_cv_func_powf_use+set} != xset; then
-+    if test "${glibcxx_cv_func_powf_use+set}" = set; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+
-+
-+
-+      ac_ext=cc
-+ac_cpp='$CXXCPP $CPPFLAGS'
-+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
-+
-+      cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+#include <math.h>
-+int
-+main ()
-+{
-+ powf(0, 0);
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext
-+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-+  (eval $ac_compile) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_cxx_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest.$ac_objext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  glibcxx_cv_func_powf_use=yes
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+glibcxx_cv_func_powf_use=no
-+fi
-+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
-+      ac_ext=c
-+ac_cpp='$CPP $CPPFLAGS'
-+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_c_compiler_gnu
-+
-+
-+fi
-+
-+  fi
-+  echo "$as_me:$LINENO: result: $glibcxx_cv_func_powf_use" >&5
-+echo "${ECHO_T}$glibcxx_cv_func_powf_use" >&6
-+
-+  if test x$glibcxx_cv_func_powf_use = x"yes"; then
-+
-+for ac_func in powf
-+do
-+as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh`
-+echo "$as_me:$LINENO: checking for $ac_func" >&5
-+echo $ECHO_N "checking for $ac_func... $ECHO_C" >&6
-+if eval "test \"\${$as_ac_var+set}\" = set"; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+  if test x$gcc_no_link = xyes; then
-+  { { echo "$as_me:$LINENO: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&5
-+echo "$as_me: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&2;}
-+   { (exit 1); exit 1; }; }
-+fi
-+cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+/* Define $ac_func to an innocuous variant, in case <limits.h> declares $ac_func.
-+   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
-+#define $ac_func innocuous_$ac_func
-+
-+/* System header to define __stub macros and hopefully few prototypes,
-+    which can conflict with char $ac_func (); below.
-+    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
-+    <limits.h> exists even on freestanding compilers.  */
-+
-+#ifdef __STDC__
-+# include <limits.h>
-+#else
-+# include <assert.h>
-+#endif
-+
-+#undef $ac_func
-+
-+/* Override any gcc2 internal prototype to avoid an error.  */
-+#ifdef __cplusplus
-+extern "C"
-+{
-+#endif
-+/* We use char because int might match the return type of a gcc2
-+   builtin and then its argument prototype would still apply.  */
-+char $ac_func ();
-+/* The GNU C library defines this for functions which it implements
-+    to always fail with ENOSYS.  Some functions are actually named
-+    something starting with __ and the normal name is an alias.  */
-+#if defined (__stub_$ac_func) || defined (__stub___$ac_func)
-+choke me
-+#else
-+char (*f) () = $ac_func;
-+#endif
-+#ifdef __cplusplus
-+}
-+#endif
-+
-+int
-+main ()
-+{
-+return f != $ac_func;
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext conftest$ac_exeext
-+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-+  (eval $ac_link) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_c_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest$ac_exeext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  eval "$as_ac_var=yes"
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+eval "$as_ac_var=no"
-+fi
-+rm -f conftest.err conftest.$ac_objext \
-+      conftest$ac_exeext conftest.$ac_ext
-+fi
-+echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_var'}'`" >&5
-+echo "${ECHO_T}`eval echo '${'$as_ac_var'}'`" >&6
-+if test `eval echo '${'$as_ac_var'}'` = yes; then
-+  cat >>confdefs.h <<_ACEOF
-+#define `echo "HAVE_$ac_func" | $as_tr_cpp` 1
-+_ACEOF
-+
-+fi
-+done
-+
-+  else
-+
-+  echo "$as_me:$LINENO: checking for _powf declaration" >&5
-+echo $ECHO_N "checking for _powf declaration... $ECHO_C" >&6
-+  if test x${glibcxx_cv_func__powf_use+set} != xset; then
-+    if test "${glibcxx_cv_func__powf_use+set}" = set; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+
-+
-+
-+      ac_ext=cc
-+ac_cpp='$CXXCPP $CPPFLAGS'
-+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
-+
-+      cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+#include <math.h>
-+int
-+main ()
-+{
-+ _powf(0, 0);
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext
-+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-+  (eval $ac_compile) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_cxx_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest.$ac_objext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  glibcxx_cv_func__powf_use=yes
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+glibcxx_cv_func__powf_use=no
-+fi
-+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
-+      ac_ext=c
-+ac_cpp='$CPP $CPPFLAGS'
-+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_c_compiler_gnu
-+
-+
-+fi
-+
-+  fi
-+  echo "$as_me:$LINENO: result: $glibcxx_cv_func__powf_use" >&5
-+echo "${ECHO_T}$glibcxx_cv_func__powf_use" >&6
-+
-+    if test x$glibcxx_cv_func__powf_use = x"yes"; then
-+
-+for ac_func in _powf
-+do
-+as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh`
-+echo "$as_me:$LINENO: checking for $ac_func" >&5
-+echo $ECHO_N "checking for $ac_func... $ECHO_C" >&6
-+if eval "test \"\${$as_ac_var+set}\" = set"; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+  if test x$gcc_no_link = xyes; then
-+  { { echo "$as_me:$LINENO: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&5
-+echo "$as_me: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&2;}
-+   { (exit 1); exit 1; }; }
-+fi
-+cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+/* Define $ac_func to an innocuous variant, in case <limits.h> declares $ac_func.
-+   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
-+#define $ac_func innocuous_$ac_func
-+
-+/* System header to define __stub macros and hopefully few prototypes,
-+    which can conflict with char $ac_func (); below.
-+    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
-+    <limits.h> exists even on freestanding compilers.  */
-+
-+#ifdef __STDC__
-+# include <limits.h>
-+#else
-+# include <assert.h>
-+#endif
-+
-+#undef $ac_func
-+
-+/* Override any gcc2 internal prototype to avoid an error.  */
-+#ifdef __cplusplus
-+extern "C"
-+{
-+#endif
-+/* We use char because int might match the return type of a gcc2
-+   builtin and then its argument prototype would still apply.  */
-+char $ac_func ();
-+/* The GNU C library defines this for functions which it implements
-+    to always fail with ENOSYS.  Some functions are actually named
-+    something starting with __ and the normal name is an alias.  */
-+#if defined (__stub_$ac_func) || defined (__stub___$ac_func)
-+choke me
-+#else
-+char (*f) () = $ac_func;
-+#endif
-+#ifdef __cplusplus
-+}
-+#endif
-+
-+int
-+main ()
-+{
-+return f != $ac_func;
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext conftest$ac_exeext
-+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-+  (eval $ac_link) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_c_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest$ac_exeext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  eval "$as_ac_var=yes"
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+eval "$as_ac_var=no"
-+fi
-+rm -f conftest.err conftest.$ac_objext \
-+      conftest$ac_exeext conftest.$ac_ext
-+fi
-+echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_var'}'`" >&5
-+echo "${ECHO_T}`eval echo '${'$as_ac_var'}'`" >&6
-+if test `eval echo '${'$as_ac_var'}'` = yes; then
-+  cat >>confdefs.h <<_ACEOF
-+#define `echo "HAVE_$ac_func" | $as_tr_cpp` 1
-+_ACEOF
-+
-+fi
-+done
-+
-+    fi
-+  fi
-+
-+
-+
-+  echo "$as_me:$LINENO: checking for sqrtf declaration" >&5
-+echo $ECHO_N "checking for sqrtf declaration... $ECHO_C" >&6
-+  if test x${glibcxx_cv_func_sqrtf_use+set} != xset; then
-+    if test "${glibcxx_cv_func_sqrtf_use+set}" = set; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+
-+
-+
-+      ac_ext=cc
-+ac_cpp='$CXXCPP $CPPFLAGS'
-+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
-+
-+      cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+#include <math.h>
-+		      #ifdef HAVE_IEEEFP_H
-+		      #include <ieeefp.h>
-+		      #endif
-+
-+int
-+main ()
-+{
-+ sqrtf(0);
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext
-+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-+  (eval $ac_compile) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_cxx_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest.$ac_objext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  glibcxx_cv_func_sqrtf_use=yes
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+glibcxx_cv_func_sqrtf_use=no
-+fi
-+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
-+      ac_ext=c
-+ac_cpp='$CPP $CPPFLAGS'
-+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_c_compiler_gnu
-+
-+
-+fi
-+
-+  fi
-+  echo "$as_me:$LINENO: result: $glibcxx_cv_func_sqrtf_use" >&5
-+echo "${ECHO_T}$glibcxx_cv_func_sqrtf_use" >&6
-+
-+  if test x$glibcxx_cv_func_sqrtf_use = x"yes"; then
-+
-+for ac_func in sqrtf
-+do
-+as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh`
-+echo "$as_me:$LINENO: checking for $ac_func" >&5
-+echo $ECHO_N "checking for $ac_func... $ECHO_C" >&6
-+if eval "test \"\${$as_ac_var+set}\" = set"; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+  if test x$gcc_no_link = xyes; then
-+  { { echo "$as_me:$LINENO: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&5
-+echo "$as_me: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&2;}
-+   { (exit 1); exit 1; }; }
-+fi
-+cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+/* Define $ac_func to an innocuous variant, in case <limits.h> declares $ac_func.
-+   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
-+#define $ac_func innocuous_$ac_func
-+
-+/* System header to define __stub macros and hopefully few prototypes,
-+    which can conflict with char $ac_func (); below.
-+    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
-+    <limits.h> exists even on freestanding compilers.  */
-+
-+#ifdef __STDC__
-+# include <limits.h>
-+#else
-+# include <assert.h>
-+#endif
-+
-+#undef $ac_func
-+
-+/* Override any gcc2 internal prototype to avoid an error.  */
-+#ifdef __cplusplus
-+extern "C"
-+{
-+#endif
-+/* We use char because int might match the return type of a gcc2
-+   builtin and then its argument prototype would still apply.  */
-+char $ac_func ();
-+/* The GNU C library defines this for functions which it implements
-+    to always fail with ENOSYS.  Some functions are actually named
-+    something starting with __ and the normal name is an alias.  */
-+#if defined (__stub_$ac_func) || defined (__stub___$ac_func)
-+choke me
-+#else
-+char (*f) () = $ac_func;
-+#endif
-+#ifdef __cplusplus
-+}
-+#endif
-+
-+int
-+main ()
-+{
-+return f != $ac_func;
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext conftest$ac_exeext
-+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-+  (eval $ac_link) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_c_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest$ac_exeext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  eval "$as_ac_var=yes"
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+eval "$as_ac_var=no"
-+fi
-+rm -f conftest.err conftest.$ac_objext \
-+      conftest$ac_exeext conftest.$ac_ext
-+fi
-+echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_var'}'`" >&5
-+echo "${ECHO_T}`eval echo '${'$as_ac_var'}'`" >&6
-+if test `eval echo '${'$as_ac_var'}'` = yes; then
-+  cat >>confdefs.h <<_ACEOF
-+#define `echo "HAVE_$ac_func" | $as_tr_cpp` 1
-+_ACEOF
-+
-+fi
-+done
-+
-+  else
-+
-+  echo "$as_me:$LINENO: checking for _sqrtf declaration" >&5
-+echo $ECHO_N "checking for _sqrtf declaration... $ECHO_C" >&6
-+  if test x${glibcxx_cv_func__sqrtf_use+set} != xset; then
-+    if test "${glibcxx_cv_func__sqrtf_use+set}" = set; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+
-+
-+
-+      ac_ext=cc
-+ac_cpp='$CXXCPP $CPPFLAGS'
-+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
-+
-+      cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+#include <math.h>
-+		      #ifdef HAVE_IEEEFP_H
-+		      #include <ieeefp.h>
-+		      #endif
-+
-+int
-+main ()
-+{
-+ _sqrtf(0);
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext
-+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-+  (eval $ac_compile) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_cxx_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest.$ac_objext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  glibcxx_cv_func__sqrtf_use=yes
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+glibcxx_cv_func__sqrtf_use=no
-+fi
-+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
-+      ac_ext=c
-+ac_cpp='$CPP $CPPFLAGS'
-+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_c_compiler_gnu
-+
-+
-+fi
-+
-+  fi
-+  echo "$as_me:$LINENO: result: $glibcxx_cv_func__sqrtf_use" >&5
-+echo "${ECHO_T}$glibcxx_cv_func__sqrtf_use" >&6
-+
-+    if test x$glibcxx_cv_func__sqrtf_use = x"yes"; then
-+
-+for ac_func in _sqrtf
-+do
-+as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh`
-+echo "$as_me:$LINENO: checking for $ac_func" >&5
-+echo $ECHO_N "checking for $ac_func... $ECHO_C" >&6
-+if eval "test \"\${$as_ac_var+set}\" = set"; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+  if test x$gcc_no_link = xyes; then
-+  { { echo "$as_me:$LINENO: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&5
-+echo "$as_me: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&2;}
-+   { (exit 1); exit 1; }; }
-+fi
-+cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+/* Define $ac_func to an innocuous variant, in case <limits.h> declares $ac_func.
-+   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
-+#define $ac_func innocuous_$ac_func
-+
-+/* System header to define __stub macros and hopefully few prototypes,
-+    which can conflict with char $ac_func (); below.
-+    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
-+    <limits.h> exists even on freestanding compilers.  */
-+
-+#ifdef __STDC__
-+# include <limits.h>
-+#else
-+# include <assert.h>
-+#endif
-+
-+#undef $ac_func
-+
-+/* Override any gcc2 internal prototype to avoid an error.  */
-+#ifdef __cplusplus
-+extern "C"
-+{
-+#endif
-+/* We use char because int might match the return type of a gcc2
-+   builtin and then its argument prototype would still apply.  */
-+char $ac_func ();
-+/* The GNU C library defines this for functions which it implements
-+    to always fail with ENOSYS.  Some functions are actually named
-+    something starting with __ and the normal name is an alias.  */
-+#if defined (__stub_$ac_func) || defined (__stub___$ac_func)
-+choke me
-+#else
-+char (*f) () = $ac_func;
-+#endif
-+#ifdef __cplusplus
-+}
-+#endif
-+
-+int
-+main ()
-+{
-+return f != $ac_func;
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext conftest$ac_exeext
-+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-+  (eval $ac_link) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_c_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest$ac_exeext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  eval "$as_ac_var=yes"
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+eval "$as_ac_var=no"
-+fi
-+rm -f conftest.err conftest.$ac_objext \
-+      conftest$ac_exeext conftest.$ac_ext
-+fi
-+echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_var'}'`" >&5
-+echo "${ECHO_T}`eval echo '${'$as_ac_var'}'`" >&6
-+if test `eval echo '${'$as_ac_var'}'` = yes; then
-+  cat >>confdefs.h <<_ACEOF
-+#define `echo "HAVE_$ac_func" | $as_tr_cpp` 1
-+_ACEOF
-+
-+fi
-+done
-+
-+    fi
-+  fi
-+
-+
-+
-+  echo "$as_me:$LINENO: checking for sincosf declaration" >&5
-+echo $ECHO_N "checking for sincosf declaration... $ECHO_C" >&6
-+  if test x${glibcxx_cv_func_sincosf_use+set} != xset; then
-+    if test "${glibcxx_cv_func_sincosf_use+set}" = set; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+
-+
-+
-+      ac_ext=cc
-+ac_cpp='$CXXCPP $CPPFLAGS'
-+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
-+
-+      cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+#include <math.h>
-+int
-+main ()
-+{
-+ sincosf(0, 0, 0);
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext
-+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-+  (eval $ac_compile) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_cxx_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest.$ac_objext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  glibcxx_cv_func_sincosf_use=yes
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+glibcxx_cv_func_sincosf_use=no
-+fi
-+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
-+      ac_ext=c
-+ac_cpp='$CPP $CPPFLAGS'
-+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_c_compiler_gnu
-+
-+
-+fi
-+
-+  fi
-+  echo "$as_me:$LINENO: result: $glibcxx_cv_func_sincosf_use" >&5
-+echo "${ECHO_T}$glibcxx_cv_func_sincosf_use" >&6
-+
-+  if test x$glibcxx_cv_func_sincosf_use = x"yes"; then
-+
-+for ac_func in sincosf
-+do
-+as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh`
-+echo "$as_me:$LINENO: checking for $ac_func" >&5
-+echo $ECHO_N "checking for $ac_func... $ECHO_C" >&6
-+if eval "test \"\${$as_ac_var+set}\" = set"; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+  if test x$gcc_no_link = xyes; then
-+  { { echo "$as_me:$LINENO: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&5
-+echo "$as_me: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&2;}
-+   { (exit 1); exit 1; }; }
-+fi
-+cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+/* Define $ac_func to an innocuous variant, in case <limits.h> declares $ac_func.
-+   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
-+#define $ac_func innocuous_$ac_func
-+
-+/* System header to define __stub macros and hopefully few prototypes,
-+    which can conflict with char $ac_func (); below.
-+    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
-+    <limits.h> exists even on freestanding compilers.  */
-+
-+#ifdef __STDC__
-+# include <limits.h>
-+#else
-+# include <assert.h>
-+#endif
-+
-+#undef $ac_func
-+
-+/* Override any gcc2 internal prototype to avoid an error.  */
-+#ifdef __cplusplus
-+extern "C"
-+{
-+#endif
-+/* We use char because int might match the return type of a gcc2
-+   builtin and then its argument prototype would still apply.  */
-+char $ac_func ();
-+/* The GNU C library defines this for functions which it implements
-+    to always fail with ENOSYS.  Some functions are actually named
-+    something starting with __ and the normal name is an alias.  */
-+#if defined (__stub_$ac_func) || defined (__stub___$ac_func)
-+choke me
-+#else
-+char (*f) () = $ac_func;
-+#endif
-+#ifdef __cplusplus
-+}
-+#endif
-+
-+int
-+main ()
-+{
-+return f != $ac_func;
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext conftest$ac_exeext
-+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-+  (eval $ac_link) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_c_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest$ac_exeext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  eval "$as_ac_var=yes"
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+eval "$as_ac_var=no"
-+fi
-+rm -f conftest.err conftest.$ac_objext \
-+      conftest$ac_exeext conftest.$ac_ext
-+fi
-+echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_var'}'`" >&5
-+echo "${ECHO_T}`eval echo '${'$as_ac_var'}'`" >&6
-+if test `eval echo '${'$as_ac_var'}'` = yes; then
-+  cat >>confdefs.h <<_ACEOF
-+#define `echo "HAVE_$ac_func" | $as_tr_cpp` 1
-+_ACEOF
-+
-+fi
-+done
-+
-+  else
-+
-+  echo "$as_me:$LINENO: checking for _sincosf declaration" >&5
-+echo $ECHO_N "checking for _sincosf declaration... $ECHO_C" >&6
-+  if test x${glibcxx_cv_func__sincosf_use+set} != xset; then
-+    if test "${glibcxx_cv_func__sincosf_use+set}" = set; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+
-+
-+
-+      ac_ext=cc
-+ac_cpp='$CXXCPP $CPPFLAGS'
-+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
-+
-+      cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+#include <math.h>
-+int
-+main ()
-+{
-+ _sincosf(0, 0, 0);
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext
-+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-+  (eval $ac_compile) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_cxx_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest.$ac_objext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  glibcxx_cv_func__sincosf_use=yes
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+glibcxx_cv_func__sincosf_use=no
-+fi
-+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
-+      ac_ext=c
-+ac_cpp='$CPP $CPPFLAGS'
-+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_c_compiler_gnu
-+
-+
-+fi
-+
-+  fi
-+  echo "$as_me:$LINENO: result: $glibcxx_cv_func__sincosf_use" >&5
-+echo "${ECHO_T}$glibcxx_cv_func__sincosf_use" >&6
-+
-+    if test x$glibcxx_cv_func__sincosf_use = x"yes"; then
-+
-+for ac_func in _sincosf
-+do
-+as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh`
-+echo "$as_me:$LINENO: checking for $ac_func" >&5
-+echo $ECHO_N "checking for $ac_func... $ECHO_C" >&6
-+if eval "test \"\${$as_ac_var+set}\" = set"; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+  if test x$gcc_no_link = xyes; then
-+  { { echo "$as_me:$LINENO: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&5
-+echo "$as_me: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&2;}
-+   { (exit 1); exit 1; }; }
-+fi
-+cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+/* Define $ac_func to an innocuous variant, in case <limits.h> declares $ac_func.
-+   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
-+#define $ac_func innocuous_$ac_func
-+
-+/* System header to define __stub macros and hopefully few prototypes,
-+    which can conflict with char $ac_func (); below.
-+    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
-+    <limits.h> exists even on freestanding compilers.  */
-+
-+#ifdef __STDC__
-+# include <limits.h>
-+#else
-+# include <assert.h>
-+#endif
-+
-+#undef $ac_func
-+
-+/* Override any gcc2 internal prototype to avoid an error.  */
-+#ifdef __cplusplus
-+extern "C"
-+{
-+#endif
-+/* We use char because int might match the return type of a gcc2
-+   builtin and then its argument prototype would still apply.  */
-+char $ac_func ();
-+/* The GNU C library defines this for functions which it implements
-+    to always fail with ENOSYS.  Some functions are actually named
-+    something starting with __ and the normal name is an alias.  */
-+#if defined (__stub_$ac_func) || defined (__stub___$ac_func)
-+choke me
-+#else
-+char (*f) () = $ac_func;
-+#endif
-+#ifdef __cplusplus
-+}
-+#endif
-+
-+int
-+main ()
-+{
-+return f != $ac_func;
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext conftest$ac_exeext
-+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-+  (eval $ac_link) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_c_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest$ac_exeext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  eval "$as_ac_var=yes"
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+eval "$as_ac_var=no"
-+fi
-+rm -f conftest.err conftest.$ac_objext \
-+      conftest$ac_exeext conftest.$ac_ext
-+fi
-+echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_var'}'`" >&5
-+echo "${ECHO_T}`eval echo '${'$as_ac_var'}'`" >&6
-+if test `eval echo '${'$as_ac_var'}'` = yes; then
-+  cat >>confdefs.h <<_ACEOF
-+#define `echo "HAVE_$ac_func" | $as_tr_cpp` 1
-+_ACEOF
-+
-+fi
-+done
-+
-+    fi
-+  fi
-+
-+
-+
-+  echo "$as_me:$LINENO: checking for finitef declaration" >&5
-+echo $ECHO_N "checking for finitef declaration... $ECHO_C" >&6
-+  if test x${glibcxx_cv_func_finitef_use+set} != xset; then
-+    if test "${glibcxx_cv_func_finitef_use+set}" = set; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+
-+
-+
-+      ac_ext=cc
-+ac_cpp='$CXXCPP $CPPFLAGS'
-+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
-+
-+      cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+#include <math.h>
-+		      #ifdef HAVE_IEEEFP_H
-+		      #include <ieeefp.h>
-+		      #endif
-+
-+int
-+main ()
-+{
-+ finitef(0);
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext
-+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-+  (eval $ac_compile) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_cxx_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest.$ac_objext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  glibcxx_cv_func_finitef_use=yes
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+glibcxx_cv_func_finitef_use=no
-+fi
-+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
-+      ac_ext=c
-+ac_cpp='$CPP $CPPFLAGS'
-+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_c_compiler_gnu
-+
-+
-+fi
-+
-+  fi
-+  echo "$as_me:$LINENO: result: $glibcxx_cv_func_finitef_use" >&5
-+echo "${ECHO_T}$glibcxx_cv_func_finitef_use" >&6
-+
-+  if test x$glibcxx_cv_func_finitef_use = x"yes"; then
-+
-+for ac_func in finitef
-+do
-+as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh`
-+echo "$as_me:$LINENO: checking for $ac_func" >&5
-+echo $ECHO_N "checking for $ac_func... $ECHO_C" >&6
-+if eval "test \"\${$as_ac_var+set}\" = set"; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+  if test x$gcc_no_link = xyes; then
-+  { { echo "$as_me:$LINENO: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&5
-+echo "$as_me: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&2;}
-+   { (exit 1); exit 1; }; }
-+fi
-+cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+/* Define $ac_func to an innocuous variant, in case <limits.h> declares $ac_func.
-+   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
-+#define $ac_func innocuous_$ac_func
-+
-+/* System header to define __stub macros and hopefully few prototypes,
-+    which can conflict with char $ac_func (); below.
-+    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
-+    <limits.h> exists even on freestanding compilers.  */
-+
-+#ifdef __STDC__
-+# include <limits.h>
-+#else
-+# include <assert.h>
-+#endif
-+
-+#undef $ac_func
-+
-+/* Override any gcc2 internal prototype to avoid an error.  */
-+#ifdef __cplusplus
-+extern "C"
-+{
-+#endif
-+/* We use char because int might match the return type of a gcc2
-+   builtin and then its argument prototype would still apply.  */
-+char $ac_func ();
-+/* The GNU C library defines this for functions which it implements
-+    to always fail with ENOSYS.  Some functions are actually named
-+    something starting with __ and the normal name is an alias.  */
-+#if defined (__stub_$ac_func) || defined (__stub___$ac_func)
-+choke me
-+#else
-+char (*f) () = $ac_func;
-+#endif
-+#ifdef __cplusplus
-+}
-+#endif
-+
-+int
-+main ()
-+{
-+return f != $ac_func;
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext conftest$ac_exeext
-+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-+  (eval $ac_link) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_c_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest$ac_exeext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  eval "$as_ac_var=yes"
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+eval "$as_ac_var=no"
-+fi
-+rm -f conftest.err conftest.$ac_objext \
-+      conftest$ac_exeext conftest.$ac_ext
-+fi
-+echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_var'}'`" >&5
-+echo "${ECHO_T}`eval echo '${'$as_ac_var'}'`" >&6
-+if test `eval echo '${'$as_ac_var'}'` = yes; then
-+  cat >>confdefs.h <<_ACEOF
-+#define `echo "HAVE_$ac_func" | $as_tr_cpp` 1
-+_ACEOF
-+
-+fi
-+done
-+
-+  else
-+
-+  echo "$as_me:$LINENO: checking for _finitef declaration" >&5
-+echo $ECHO_N "checking for _finitef declaration... $ECHO_C" >&6
-+  if test x${glibcxx_cv_func__finitef_use+set} != xset; then
-+    if test "${glibcxx_cv_func__finitef_use+set}" = set; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+
-+
-+
-+      ac_ext=cc
-+ac_cpp='$CXXCPP $CPPFLAGS'
-+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
-+
-+      cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+#include <math.h>
-+		      #ifdef HAVE_IEEEFP_H
-+		      #include <ieeefp.h>
-+		      #endif
-+
-+int
-+main ()
-+{
-+ _finitef(0);
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext
-+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-+  (eval $ac_compile) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_cxx_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest.$ac_objext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  glibcxx_cv_func__finitef_use=yes
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+glibcxx_cv_func__finitef_use=no
-+fi
-+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
-+      ac_ext=c
-+ac_cpp='$CPP $CPPFLAGS'
-+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_c_compiler_gnu
-+
-+
-+fi
-+
-+  fi
-+  echo "$as_me:$LINENO: result: $glibcxx_cv_func__finitef_use" >&5
-+echo "${ECHO_T}$glibcxx_cv_func__finitef_use" >&6
-+
-+    if test x$glibcxx_cv_func__finitef_use = x"yes"; then
-+
-+for ac_func in _finitef
-+do
-+as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh`
-+echo "$as_me:$LINENO: checking for $ac_func" >&5
-+echo $ECHO_N "checking for $ac_func... $ECHO_C" >&6
-+if eval "test \"\${$as_ac_var+set}\" = set"; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+  if test x$gcc_no_link = xyes; then
-+  { { echo "$as_me:$LINENO: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&5
-+echo "$as_me: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&2;}
-+   { (exit 1); exit 1; }; }
-+fi
-+cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+/* Define $ac_func to an innocuous variant, in case <limits.h> declares $ac_func.
-+   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
-+#define $ac_func innocuous_$ac_func
-+
-+/* System header to define __stub macros and hopefully few prototypes,
-+    which can conflict with char $ac_func (); below.
-+    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
-+    <limits.h> exists even on freestanding compilers.  */
-+
-+#ifdef __STDC__
-+# include <limits.h>
-+#else
-+# include <assert.h>
-+#endif
-+
-+#undef $ac_func
-+
-+/* Override any gcc2 internal prototype to avoid an error.  */
-+#ifdef __cplusplus
-+extern "C"
-+{
-+#endif
-+/* We use char because int might match the return type of a gcc2
-+   builtin and then its argument prototype would still apply.  */
-+char $ac_func ();
-+/* The GNU C library defines this for functions which it implements
-+    to always fail with ENOSYS.  Some functions are actually named
-+    something starting with __ and the normal name is an alias.  */
-+#if defined (__stub_$ac_func) || defined (__stub___$ac_func)
-+choke me
-+#else
-+char (*f) () = $ac_func;
-+#endif
-+#ifdef __cplusplus
-+}
-+#endif
-+
-+int
-+main ()
-+{
-+return f != $ac_func;
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext conftest$ac_exeext
-+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-+  (eval $ac_link) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_c_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest$ac_exeext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  eval "$as_ac_var=yes"
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+eval "$as_ac_var=no"
-+fi
-+rm -f conftest.err conftest.$ac_objext \
-+      conftest$ac_exeext conftest.$ac_ext
-+fi
-+echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_var'}'`" >&5
-+echo "${ECHO_T}`eval echo '${'$as_ac_var'}'`" >&6
-+if test `eval echo '${'$as_ac_var'}'` = yes; then
-+  cat >>confdefs.h <<_ACEOF
-+#define `echo "HAVE_$ac_func" | $as_tr_cpp` 1
-+_ACEOF
-+
-+fi
-+done
-+
-+    fi
-+  fi
-+
-+
-+
-+  echo "$as_me:$LINENO: checking for long double trig functions" >&5
-+echo $ECHO_N "checking for long double trig functions... $ECHO_C" >&6
-+  if test "${glibcxx_cv_func_long_double_trig_use+set}" = set; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+
-+
-+
-+    ac_ext=cc
-+ac_cpp='$CXXCPP $CPPFLAGS'
-+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
-+
-+    cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+#include <math.h>
-+int
-+main ()
-+{
-+ `for x in acosl asinl atanl \
-+                                          cosl sinl tanl \
-+                                          coshl sinhl tanhl; do echo "$x (0);"; done`
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext
-+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-+  (eval $ac_compile) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_cxx_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest.$ac_objext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  glibcxx_cv_func_long_double_trig_use=yes
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+glibcxx_cv_func_long_double_trig_use=no
-+fi
-+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
-+    ac_ext=c
-+ac_cpp='$CPP $CPPFLAGS'
-+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_c_compiler_gnu
-+
-+fi
-+
-+  echo "$as_me:$LINENO: result: $glibcxx_cv_func_long_double_trig_use" >&5
-+echo "${ECHO_T}$glibcxx_cv_func_long_double_trig_use" >&6
-+  if test x$glibcxx_cv_func_long_double_trig_use = x"yes"; then
-+
-+
-+
-+
-+
-+
-+
-+
-+
-+for ac_func in acosl asinl atanl \
-+                                          cosl sinl tanl \
-+                                          coshl sinhl tanhl
-+do
-+as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh`
-+echo "$as_me:$LINENO: checking for $ac_func" >&5
-+echo $ECHO_N "checking for $ac_func... $ECHO_C" >&6
-+if eval "test \"\${$as_ac_var+set}\" = set"; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+  if test x$gcc_no_link = xyes; then
-+  { { echo "$as_me:$LINENO: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&5
-+echo "$as_me: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&2;}
-+   { (exit 1); exit 1; }; }
-+fi
-+cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+/* Define $ac_func to an innocuous variant, in case <limits.h> declares $ac_func.
-+   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
-+#define $ac_func innocuous_$ac_func
-+
-+/* System header to define __stub macros and hopefully few prototypes,
-+    which can conflict with char $ac_func (); below.
-+    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
-+    <limits.h> exists even on freestanding compilers.  */
-+
-+#ifdef __STDC__
-+# include <limits.h>
-+#else
-+# include <assert.h>
-+#endif
-+
-+#undef $ac_func
-+
-+/* Override any gcc2 internal prototype to avoid an error.  */
-+#ifdef __cplusplus
-+extern "C"
-+{
-+#endif
-+/* We use char because int might match the return type of a gcc2
-+   builtin and then its argument prototype would still apply.  */
-+char $ac_func ();
-+/* The GNU C library defines this for functions which it implements
-+    to always fail with ENOSYS.  Some functions are actually named
-+    something starting with __ and the normal name is an alias.  */
-+#if defined (__stub_$ac_func) || defined (__stub___$ac_func)
-+choke me
-+#else
-+char (*f) () = $ac_func;
-+#endif
-+#ifdef __cplusplus
-+}
-+#endif
-+
-+int
-+main ()
-+{
-+return f != $ac_func;
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext conftest$ac_exeext
-+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-+  (eval $ac_link) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_c_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest$ac_exeext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  eval "$as_ac_var=yes"
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+eval "$as_ac_var=no"
-+fi
-+rm -f conftest.err conftest.$ac_objext \
-+      conftest$ac_exeext conftest.$ac_ext
-+fi
-+echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_var'}'`" >&5
-+echo "${ECHO_T}`eval echo '${'$as_ac_var'}'`" >&6
-+if test `eval echo '${'$as_ac_var'}'` = yes; then
-+  cat >>confdefs.h <<_ACEOF
-+#define `echo "HAVE_$ac_func" | $as_tr_cpp` 1
-+_ACEOF
-+
-+fi
-+done
-+
-+  fi
-+
-+
-+  echo "$as_me:$LINENO: checking for long double round functions" >&5
-+echo $ECHO_N "checking for long double round functions... $ECHO_C" >&6
-+  if test "${glibcxx_cv_func_long_double_round_use+set}" = set; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+
-+
-+
-+    ac_ext=cc
-+ac_cpp='$CXXCPP $CPPFLAGS'
-+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
-+
-+    cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+#include <math.h>
-+int
-+main ()
-+{
-+ `for x in ceill floorl; do echo "$x (0);"; done`
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext
-+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-+  (eval $ac_compile) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_cxx_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest.$ac_objext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  glibcxx_cv_func_long_double_round_use=yes
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+glibcxx_cv_func_long_double_round_use=no
-+fi
-+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
-+    ac_ext=c
-+ac_cpp='$CPP $CPPFLAGS'
-+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_c_compiler_gnu
-+
-+fi
-+
-+  echo "$as_me:$LINENO: result: $glibcxx_cv_func_long_double_round_use" >&5
-+echo "${ECHO_T}$glibcxx_cv_func_long_double_round_use" >&6
-+  if test x$glibcxx_cv_func_long_double_round_use = x"yes"; then
-+
-+
-+for ac_func in ceill floorl
-+do
-+as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh`
-+echo "$as_me:$LINENO: checking for $ac_func" >&5
-+echo $ECHO_N "checking for $ac_func... $ECHO_C" >&6
-+if eval "test \"\${$as_ac_var+set}\" = set"; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+  if test x$gcc_no_link = xyes; then
-+  { { echo "$as_me:$LINENO: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&5
-+echo "$as_me: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&2;}
-+   { (exit 1); exit 1; }; }
-+fi
-+cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+/* Define $ac_func to an innocuous variant, in case <limits.h> declares $ac_func.
-+   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
-+#define $ac_func innocuous_$ac_func
-+
-+/* System header to define __stub macros and hopefully few prototypes,
-+    which can conflict with char $ac_func (); below.
-+    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
-+    <limits.h> exists even on freestanding compilers.  */
-+
-+#ifdef __STDC__
-+# include <limits.h>
-+#else
-+# include <assert.h>
-+#endif
-+
-+#undef $ac_func
-+
-+/* Override any gcc2 internal prototype to avoid an error.  */
-+#ifdef __cplusplus
-+extern "C"
-+{
-+#endif
-+/* We use char because int might match the return type of a gcc2
-+   builtin and then its argument prototype would still apply.  */
-+char $ac_func ();
-+/* The GNU C library defines this for functions which it implements
-+    to always fail with ENOSYS.  Some functions are actually named
-+    something starting with __ and the normal name is an alias.  */
-+#if defined (__stub_$ac_func) || defined (__stub___$ac_func)
-+choke me
-+#else
-+char (*f) () = $ac_func;
-+#endif
-+#ifdef __cplusplus
-+}
-+#endif
-+
-+int
-+main ()
-+{
-+return f != $ac_func;
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext conftest$ac_exeext
-+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-+  (eval $ac_link) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_c_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest$ac_exeext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  eval "$as_ac_var=yes"
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+eval "$as_ac_var=no"
-+fi
-+rm -f conftest.err conftest.$ac_objext \
-+      conftest$ac_exeext conftest.$ac_ext
-+fi
-+echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_var'}'`" >&5
-+echo "${ECHO_T}`eval echo '${'$as_ac_var'}'`" >&6
-+if test `eval echo '${'$as_ac_var'}'` = yes; then
-+  cat >>confdefs.h <<_ACEOF
-+#define `echo "HAVE_$ac_func" | $as_tr_cpp` 1
-+_ACEOF
-+
-+fi
-+done
-+
-+  fi
-+
-+
-+
-+  echo "$as_me:$LINENO: checking for isnanl declaration" >&5
-+echo $ECHO_N "checking for isnanl declaration... $ECHO_C" >&6
-+  if test x${glibcxx_cv_func_isnanl_use+set} != xset; then
-+    if test "${glibcxx_cv_func_isnanl_use+set}" = set; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+
-+
-+
-+      ac_ext=cc
-+ac_cpp='$CXXCPP $CPPFLAGS'
-+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
-+
-+      cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+#include <math.h>
-+		      #ifdef HAVE_IEEEFP_H
-+		      #include <ieeefp.h>
-+		      #endif
-+
-+int
-+main ()
-+{
-+ isnanl(0);
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext
-+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-+  (eval $ac_compile) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_cxx_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest.$ac_objext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  glibcxx_cv_func_isnanl_use=yes
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+glibcxx_cv_func_isnanl_use=no
-+fi
-+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
-+      ac_ext=c
-+ac_cpp='$CPP $CPPFLAGS'
-+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_c_compiler_gnu
-+
-+
-+fi
-+
-+  fi
-+  echo "$as_me:$LINENO: result: $glibcxx_cv_func_isnanl_use" >&5
-+echo "${ECHO_T}$glibcxx_cv_func_isnanl_use" >&6
-+
-+  if test x$glibcxx_cv_func_isnanl_use = x"yes"; then
-+
-+for ac_func in isnanl
-+do
-+as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh`
-+echo "$as_me:$LINENO: checking for $ac_func" >&5
-+echo $ECHO_N "checking for $ac_func... $ECHO_C" >&6
-+if eval "test \"\${$as_ac_var+set}\" = set"; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+  if test x$gcc_no_link = xyes; then
-+  { { echo "$as_me:$LINENO: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&5
-+echo "$as_me: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&2;}
-+   { (exit 1); exit 1; }; }
-+fi
-+cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+/* Define $ac_func to an innocuous variant, in case <limits.h> declares $ac_func.
-+   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
-+#define $ac_func innocuous_$ac_func
-+
-+/* System header to define __stub macros and hopefully few prototypes,
-+    which can conflict with char $ac_func (); below.
-+    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
-+    <limits.h> exists even on freestanding compilers.  */
-+
-+#ifdef __STDC__
-+# include <limits.h>
-+#else
-+# include <assert.h>
-+#endif
-+
-+#undef $ac_func
-+
-+/* Override any gcc2 internal prototype to avoid an error.  */
-+#ifdef __cplusplus
-+extern "C"
-+{
-+#endif
-+/* We use char because int might match the return type of a gcc2
-+   builtin and then its argument prototype would still apply.  */
-+char $ac_func ();
-+/* The GNU C library defines this for functions which it implements
-+    to always fail with ENOSYS.  Some functions are actually named
-+    something starting with __ and the normal name is an alias.  */
-+#if defined (__stub_$ac_func) || defined (__stub___$ac_func)
-+choke me
-+#else
-+char (*f) () = $ac_func;
-+#endif
-+#ifdef __cplusplus
-+}
-+#endif
-+
-+int
-+main ()
-+{
-+return f != $ac_func;
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext conftest$ac_exeext
-+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-+  (eval $ac_link) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_c_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest$ac_exeext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  eval "$as_ac_var=yes"
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+eval "$as_ac_var=no"
-+fi
-+rm -f conftest.err conftest.$ac_objext \
-+      conftest$ac_exeext conftest.$ac_ext
-+fi
-+echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_var'}'`" >&5
-+echo "${ECHO_T}`eval echo '${'$as_ac_var'}'`" >&6
-+if test `eval echo '${'$as_ac_var'}'` = yes; then
-+  cat >>confdefs.h <<_ACEOF
-+#define `echo "HAVE_$ac_func" | $as_tr_cpp` 1
-+_ACEOF
-+
-+fi
-+done
-+
-+  else
-+
-+  echo "$as_me:$LINENO: checking for _isnanl declaration" >&5
-+echo $ECHO_N "checking for _isnanl declaration... $ECHO_C" >&6
-+  if test x${glibcxx_cv_func__isnanl_use+set} != xset; then
-+    if test "${glibcxx_cv_func__isnanl_use+set}" = set; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+
-+
-+
-+      ac_ext=cc
-+ac_cpp='$CXXCPP $CPPFLAGS'
-+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
-+
-+      cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+#include <math.h>
-+		      #ifdef HAVE_IEEEFP_H
-+		      #include <ieeefp.h>
-+		      #endif
-+
-+int
-+main ()
-+{
-+ _isnanl(0);
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext
-+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-+  (eval $ac_compile) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_cxx_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest.$ac_objext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  glibcxx_cv_func__isnanl_use=yes
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+glibcxx_cv_func__isnanl_use=no
-+fi
-+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
-+      ac_ext=c
-+ac_cpp='$CPP $CPPFLAGS'
-+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_c_compiler_gnu
-+
-+
-+fi
-+
-+  fi
-+  echo "$as_me:$LINENO: result: $glibcxx_cv_func__isnanl_use" >&5
-+echo "${ECHO_T}$glibcxx_cv_func__isnanl_use" >&6
-+
-+    if test x$glibcxx_cv_func__isnanl_use = x"yes"; then
-+
-+for ac_func in _isnanl
-+do
-+as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh`
-+echo "$as_me:$LINENO: checking for $ac_func" >&5
-+echo $ECHO_N "checking for $ac_func... $ECHO_C" >&6
-+if eval "test \"\${$as_ac_var+set}\" = set"; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+  if test x$gcc_no_link = xyes; then
-+  { { echo "$as_me:$LINENO: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&5
-+echo "$as_me: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&2;}
-+   { (exit 1); exit 1; }; }
-+fi
-+cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+/* Define $ac_func to an innocuous variant, in case <limits.h> declares $ac_func.
-+   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
-+#define $ac_func innocuous_$ac_func
-+
-+/* System header to define __stub macros and hopefully few prototypes,
-+    which can conflict with char $ac_func (); below.
-+    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
-+    <limits.h> exists even on freestanding compilers.  */
-+
-+#ifdef __STDC__
-+# include <limits.h>
-+#else
-+# include <assert.h>
-+#endif
-+
-+#undef $ac_func
-+
-+/* Override any gcc2 internal prototype to avoid an error.  */
-+#ifdef __cplusplus
-+extern "C"
-+{
-+#endif
-+/* We use char because int might match the return type of a gcc2
-+   builtin and then its argument prototype would still apply.  */
-+char $ac_func ();
-+/* The GNU C library defines this for functions which it implements
-+    to always fail with ENOSYS.  Some functions are actually named
-+    something starting with __ and the normal name is an alias.  */
-+#if defined (__stub_$ac_func) || defined (__stub___$ac_func)
-+choke me
-+#else
-+char (*f) () = $ac_func;
-+#endif
-+#ifdef __cplusplus
-+}
-+#endif
-+
-+int
-+main ()
-+{
-+return f != $ac_func;
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext conftest$ac_exeext
-+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-+  (eval $ac_link) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_c_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest$ac_exeext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  eval "$as_ac_var=yes"
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+eval "$as_ac_var=no"
-+fi
-+rm -f conftest.err conftest.$ac_objext \
-+      conftest$ac_exeext conftest.$ac_ext
-+fi
-+echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_var'}'`" >&5
-+echo "${ECHO_T}`eval echo '${'$as_ac_var'}'`" >&6
-+if test `eval echo '${'$as_ac_var'}'` = yes; then
-+  cat >>confdefs.h <<_ACEOF
-+#define `echo "HAVE_$ac_func" | $as_tr_cpp` 1
-+_ACEOF
-+
-+fi
-+done
-+
-+    fi
-+  fi
-+
-+
-+
-+  echo "$as_me:$LINENO: checking for isinfl declaration" >&5
-+echo $ECHO_N "checking for isinfl declaration... $ECHO_C" >&6
-+  if test x${glibcxx_cv_func_isinfl_use+set} != xset; then
-+    if test "${glibcxx_cv_func_isinfl_use+set}" = set; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+
-+
-+
-+      ac_ext=cc
-+ac_cpp='$CXXCPP $CPPFLAGS'
-+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
-+
-+      cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+#include <math.h>
-+		      #ifdef HAVE_IEEEFP_H
-+		      #include <ieeefp.h>
-+		      #endif
-+
-+int
-+main ()
-+{
-+ isinfl(0);
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext
-+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-+  (eval $ac_compile) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_cxx_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest.$ac_objext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  glibcxx_cv_func_isinfl_use=yes
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+glibcxx_cv_func_isinfl_use=no
-+fi
-+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
-+      ac_ext=c
-+ac_cpp='$CPP $CPPFLAGS'
-+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_c_compiler_gnu
-+
-+
-+fi
-+
-+  fi
-+  echo "$as_me:$LINENO: result: $glibcxx_cv_func_isinfl_use" >&5
-+echo "${ECHO_T}$glibcxx_cv_func_isinfl_use" >&6
-+
-+  if test x$glibcxx_cv_func_isinfl_use = x"yes"; then
-+
-+for ac_func in isinfl
-+do
-+as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh`
-+echo "$as_me:$LINENO: checking for $ac_func" >&5
-+echo $ECHO_N "checking for $ac_func... $ECHO_C" >&6
-+if eval "test \"\${$as_ac_var+set}\" = set"; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+  if test x$gcc_no_link = xyes; then
-+  { { echo "$as_me:$LINENO: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&5
-+echo "$as_me: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&2;}
-+   { (exit 1); exit 1; }; }
-+fi
-+cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+/* Define $ac_func to an innocuous variant, in case <limits.h> declares $ac_func.
-+   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
-+#define $ac_func innocuous_$ac_func
-+
-+/* System header to define __stub macros and hopefully few prototypes,
-+    which can conflict with char $ac_func (); below.
-+    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
-+    <limits.h> exists even on freestanding compilers.  */
-+
-+#ifdef __STDC__
-+# include <limits.h>
-+#else
-+# include <assert.h>
-+#endif
-+
-+#undef $ac_func
-+
-+/* Override any gcc2 internal prototype to avoid an error.  */
-+#ifdef __cplusplus
-+extern "C"
-+{
-+#endif
-+/* We use char because int might match the return type of a gcc2
-+   builtin and then its argument prototype would still apply.  */
-+char $ac_func ();
-+/* The GNU C library defines this for functions which it implements
-+    to always fail with ENOSYS.  Some functions are actually named
-+    something starting with __ and the normal name is an alias.  */
-+#if defined (__stub_$ac_func) || defined (__stub___$ac_func)
-+choke me
-+#else
-+char (*f) () = $ac_func;
-+#endif
-+#ifdef __cplusplus
-+}
-+#endif
-+
-+int
-+main ()
-+{
-+return f != $ac_func;
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext conftest$ac_exeext
-+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-+  (eval $ac_link) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_c_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest$ac_exeext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  eval "$as_ac_var=yes"
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+eval "$as_ac_var=no"
-+fi
-+rm -f conftest.err conftest.$ac_objext \
-+      conftest$ac_exeext conftest.$ac_ext
-+fi
-+echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_var'}'`" >&5
-+echo "${ECHO_T}`eval echo '${'$as_ac_var'}'`" >&6
-+if test `eval echo '${'$as_ac_var'}'` = yes; then
-+  cat >>confdefs.h <<_ACEOF
-+#define `echo "HAVE_$ac_func" | $as_tr_cpp` 1
-+_ACEOF
-+
-+fi
-+done
-+
-+  else
-+
-+  echo "$as_me:$LINENO: checking for _isinfl declaration" >&5
-+echo $ECHO_N "checking for _isinfl declaration... $ECHO_C" >&6
-+  if test x${glibcxx_cv_func__isinfl_use+set} != xset; then
-+    if test "${glibcxx_cv_func__isinfl_use+set}" = set; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+
-+
-+
-+      ac_ext=cc
-+ac_cpp='$CXXCPP $CPPFLAGS'
-+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
-+
-+      cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+#include <math.h>
-+		      #ifdef HAVE_IEEEFP_H
-+		      #include <ieeefp.h>
-+		      #endif
-+
-+int
-+main ()
-+{
-+ _isinfl(0);
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext
-+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-+  (eval $ac_compile) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_cxx_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest.$ac_objext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  glibcxx_cv_func__isinfl_use=yes
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+glibcxx_cv_func__isinfl_use=no
-+fi
-+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
-+      ac_ext=c
-+ac_cpp='$CPP $CPPFLAGS'
-+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_c_compiler_gnu
-+
-+
-+fi
-+
-+  fi
-+  echo "$as_me:$LINENO: result: $glibcxx_cv_func__isinfl_use" >&5
-+echo "${ECHO_T}$glibcxx_cv_func__isinfl_use" >&6
-+
-+    if test x$glibcxx_cv_func__isinfl_use = x"yes"; then
-+
-+for ac_func in _isinfl
-+do
-+as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh`
-+echo "$as_me:$LINENO: checking for $ac_func" >&5
-+echo $ECHO_N "checking for $ac_func... $ECHO_C" >&6
-+if eval "test \"\${$as_ac_var+set}\" = set"; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+  if test x$gcc_no_link = xyes; then
-+  { { echo "$as_me:$LINENO: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&5
-+echo "$as_me: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&2;}
-+   { (exit 1); exit 1; }; }
-+fi
-+cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+/* Define $ac_func to an innocuous variant, in case <limits.h> declares $ac_func.
-+   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
-+#define $ac_func innocuous_$ac_func
-+
-+/* System header to define __stub macros and hopefully few prototypes,
-+    which can conflict with char $ac_func (); below.
-+    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
-+    <limits.h> exists even on freestanding compilers.  */
-+
-+#ifdef __STDC__
-+# include <limits.h>
-+#else
-+# include <assert.h>
-+#endif
-+
-+#undef $ac_func
-+
-+/* Override any gcc2 internal prototype to avoid an error.  */
-+#ifdef __cplusplus
-+extern "C"
-+{
-+#endif
-+/* We use char because int might match the return type of a gcc2
-+   builtin and then its argument prototype would still apply.  */
-+char $ac_func ();
-+/* The GNU C library defines this for functions which it implements
-+    to always fail with ENOSYS.  Some functions are actually named
-+    something starting with __ and the normal name is an alias.  */
-+#if defined (__stub_$ac_func) || defined (__stub___$ac_func)
-+choke me
-+#else
-+char (*f) () = $ac_func;
-+#endif
-+#ifdef __cplusplus
-+}
-+#endif
-+
-+int
-+main ()
-+{
-+return f != $ac_func;
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext conftest$ac_exeext
-+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-+  (eval $ac_link) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_c_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest$ac_exeext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  eval "$as_ac_var=yes"
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+eval "$as_ac_var=no"
-+fi
-+rm -f conftest.err conftest.$ac_objext \
-+      conftest$ac_exeext conftest.$ac_ext
-+fi
-+echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_var'}'`" >&5
-+echo "${ECHO_T}`eval echo '${'$as_ac_var'}'`" >&6
-+if test `eval echo '${'$as_ac_var'}'` = yes; then
-+  cat >>confdefs.h <<_ACEOF
-+#define `echo "HAVE_$ac_func" | $as_tr_cpp` 1
-+_ACEOF
-+
-+fi
-+done
-+
-+    fi
-+  fi
-+
-+
-+
-+  echo "$as_me:$LINENO: checking for copysignl declaration" >&5
-+echo $ECHO_N "checking for copysignl declaration... $ECHO_C" >&6
-+  if test x${glibcxx_cv_func_copysignl_use+set} != xset; then
-+    if test "${glibcxx_cv_func_copysignl_use+set}" = set; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+
-+
-+
-+      ac_ext=cc
-+ac_cpp='$CXXCPP $CPPFLAGS'
-+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
-+
-+      cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+#include <math.h>
-+int
-+main ()
-+{
-+ copysignl(0, 0);
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext
-+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-+  (eval $ac_compile) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_cxx_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest.$ac_objext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  glibcxx_cv_func_copysignl_use=yes
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+glibcxx_cv_func_copysignl_use=no
-+fi
-+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
-+      ac_ext=c
-+ac_cpp='$CPP $CPPFLAGS'
-+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_c_compiler_gnu
-+
-+
-+fi
-+
-+  fi
-+  echo "$as_me:$LINENO: result: $glibcxx_cv_func_copysignl_use" >&5
-+echo "${ECHO_T}$glibcxx_cv_func_copysignl_use" >&6
-+
-+  if test x$glibcxx_cv_func_copysignl_use = x"yes"; then
-+
-+for ac_func in copysignl
-+do
-+as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh`
-+echo "$as_me:$LINENO: checking for $ac_func" >&5
-+echo $ECHO_N "checking for $ac_func... $ECHO_C" >&6
-+if eval "test \"\${$as_ac_var+set}\" = set"; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+  if test x$gcc_no_link = xyes; then
-+  { { echo "$as_me:$LINENO: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&5
-+echo "$as_me: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&2;}
-+   { (exit 1); exit 1; }; }
-+fi
-+cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+/* Define $ac_func to an innocuous variant, in case <limits.h> declares $ac_func.
-+   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
-+#define $ac_func innocuous_$ac_func
-+
-+/* System header to define __stub macros and hopefully few prototypes,
-+    which can conflict with char $ac_func (); below.
-+    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
-+    <limits.h> exists even on freestanding compilers.  */
-+
-+#ifdef __STDC__
-+# include <limits.h>
-+#else
-+# include <assert.h>
-+#endif
-+
-+#undef $ac_func
-+
-+/* Override any gcc2 internal prototype to avoid an error.  */
-+#ifdef __cplusplus
-+extern "C"
-+{
-+#endif
-+/* We use char because int might match the return type of a gcc2
-+   builtin and then its argument prototype would still apply.  */
-+char $ac_func ();
-+/* The GNU C library defines this for functions which it implements
-+    to always fail with ENOSYS.  Some functions are actually named
-+    something starting with __ and the normal name is an alias.  */
-+#if defined (__stub_$ac_func) || defined (__stub___$ac_func)
-+choke me
-+#else
-+char (*f) () = $ac_func;
-+#endif
-+#ifdef __cplusplus
-+}
-+#endif
-+
-+int
-+main ()
-+{
-+return f != $ac_func;
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext conftest$ac_exeext
-+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-+  (eval $ac_link) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_c_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest$ac_exeext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  eval "$as_ac_var=yes"
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+eval "$as_ac_var=no"
-+fi
-+rm -f conftest.err conftest.$ac_objext \
-+      conftest$ac_exeext conftest.$ac_ext
-+fi
-+echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_var'}'`" >&5
-+echo "${ECHO_T}`eval echo '${'$as_ac_var'}'`" >&6
-+if test `eval echo '${'$as_ac_var'}'` = yes; then
-+  cat >>confdefs.h <<_ACEOF
-+#define `echo "HAVE_$ac_func" | $as_tr_cpp` 1
-+_ACEOF
-+
-+fi
-+done
-+
-+  else
-+
-+  echo "$as_me:$LINENO: checking for _copysignl declaration" >&5
-+echo $ECHO_N "checking for _copysignl declaration... $ECHO_C" >&6
-+  if test x${glibcxx_cv_func__copysignl_use+set} != xset; then
-+    if test "${glibcxx_cv_func__copysignl_use+set}" = set; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+
-+
-+
-+      ac_ext=cc
-+ac_cpp='$CXXCPP $CPPFLAGS'
-+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
-+
-+      cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+#include <math.h>
-+int
-+main ()
-+{
-+ _copysignl(0, 0);
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext
-+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-+  (eval $ac_compile) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_cxx_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest.$ac_objext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  glibcxx_cv_func__copysignl_use=yes
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+glibcxx_cv_func__copysignl_use=no
-+fi
-+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
-+      ac_ext=c
-+ac_cpp='$CPP $CPPFLAGS'
-+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_c_compiler_gnu
-+
-+
-+fi
-+
-+  fi
-+  echo "$as_me:$LINENO: result: $glibcxx_cv_func__copysignl_use" >&5
-+echo "${ECHO_T}$glibcxx_cv_func__copysignl_use" >&6
-+
-+    if test x$glibcxx_cv_func__copysignl_use = x"yes"; then
-+
-+for ac_func in _copysignl
-+do
-+as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh`
-+echo "$as_me:$LINENO: checking for $ac_func" >&5
-+echo $ECHO_N "checking for $ac_func... $ECHO_C" >&6
-+if eval "test \"\${$as_ac_var+set}\" = set"; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+  if test x$gcc_no_link = xyes; then
-+  { { echo "$as_me:$LINENO: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&5
-+echo "$as_me: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&2;}
-+   { (exit 1); exit 1; }; }
-+fi
-+cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+/* Define $ac_func to an innocuous variant, in case <limits.h> declares $ac_func.
-+   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
-+#define $ac_func innocuous_$ac_func
-+
-+/* System header to define __stub macros and hopefully few prototypes,
-+    which can conflict with char $ac_func (); below.
-+    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
-+    <limits.h> exists even on freestanding compilers.  */
-+
-+#ifdef __STDC__
-+# include <limits.h>
-+#else
-+# include <assert.h>
-+#endif
-+
-+#undef $ac_func
-+
-+/* Override any gcc2 internal prototype to avoid an error.  */
-+#ifdef __cplusplus
-+extern "C"
-+{
-+#endif
-+/* We use char because int might match the return type of a gcc2
-+   builtin and then its argument prototype would still apply.  */
-+char $ac_func ();
-+/* The GNU C library defines this for functions which it implements
-+    to always fail with ENOSYS.  Some functions are actually named
-+    something starting with __ and the normal name is an alias.  */
-+#if defined (__stub_$ac_func) || defined (__stub___$ac_func)
-+choke me
-+#else
-+char (*f) () = $ac_func;
-+#endif
-+#ifdef __cplusplus
-+}
-+#endif
-+
-+int
-+main ()
-+{
-+return f != $ac_func;
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext conftest$ac_exeext
-+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-+  (eval $ac_link) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_c_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest$ac_exeext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  eval "$as_ac_var=yes"
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+eval "$as_ac_var=no"
-+fi
-+rm -f conftest.err conftest.$ac_objext \
-+      conftest$ac_exeext conftest.$ac_ext
-+fi
-+echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_var'}'`" >&5
-+echo "${ECHO_T}`eval echo '${'$as_ac_var'}'`" >&6
-+if test `eval echo '${'$as_ac_var'}'` = yes; then
-+  cat >>confdefs.h <<_ACEOF
-+#define `echo "HAVE_$ac_func" | $as_tr_cpp` 1
-+_ACEOF
-+
-+fi
-+done
-+
-+    fi
-+  fi
-+
-+
-+
-+  echo "$as_me:$LINENO: checking for atan2l declaration" >&5
-+echo $ECHO_N "checking for atan2l declaration... $ECHO_C" >&6
-+  if test x${glibcxx_cv_func_atan2l_use+set} != xset; then
-+    if test "${glibcxx_cv_func_atan2l_use+set}" = set; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+
-+
-+
-+      ac_ext=cc
-+ac_cpp='$CXXCPP $CPPFLAGS'
-+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
-+
-+      cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+#include <math.h>
-+int
-+main ()
-+{
-+ atan2l(0, 0);
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext
-+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-+  (eval $ac_compile) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_cxx_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest.$ac_objext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  glibcxx_cv_func_atan2l_use=yes
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+glibcxx_cv_func_atan2l_use=no
-+fi
-+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
-+      ac_ext=c
-+ac_cpp='$CPP $CPPFLAGS'
-+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_c_compiler_gnu
-+
-+
-+fi
-+
-+  fi
-+  echo "$as_me:$LINENO: result: $glibcxx_cv_func_atan2l_use" >&5
-+echo "${ECHO_T}$glibcxx_cv_func_atan2l_use" >&6
-+
-+  if test x$glibcxx_cv_func_atan2l_use = x"yes"; then
-+
-+for ac_func in atan2l
-+do
-+as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh`
-+echo "$as_me:$LINENO: checking for $ac_func" >&5
-+echo $ECHO_N "checking for $ac_func... $ECHO_C" >&6
-+if eval "test \"\${$as_ac_var+set}\" = set"; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+  if test x$gcc_no_link = xyes; then
-+  { { echo "$as_me:$LINENO: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&5
-+echo "$as_me: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&2;}
-+   { (exit 1); exit 1; }; }
-+fi
-+cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+/* Define $ac_func to an innocuous variant, in case <limits.h> declares $ac_func.
-+   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
-+#define $ac_func innocuous_$ac_func
-+
-+/* System header to define __stub macros and hopefully few prototypes,
-+    which can conflict with char $ac_func (); below.
-+    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
-+    <limits.h> exists even on freestanding compilers.  */
-+
-+#ifdef __STDC__
-+# include <limits.h>
-+#else
-+# include <assert.h>
-+#endif
-+
-+#undef $ac_func
-+
-+/* Override any gcc2 internal prototype to avoid an error.  */
-+#ifdef __cplusplus
-+extern "C"
-+{
-+#endif
-+/* We use char because int might match the return type of a gcc2
-+   builtin and then its argument prototype would still apply.  */
-+char $ac_func ();
-+/* The GNU C library defines this for functions which it implements
-+    to always fail with ENOSYS.  Some functions are actually named
-+    something starting with __ and the normal name is an alias.  */
-+#if defined (__stub_$ac_func) || defined (__stub___$ac_func)
-+choke me
-+#else
-+char (*f) () = $ac_func;
-+#endif
-+#ifdef __cplusplus
-+}
-+#endif
-+
-+int
-+main ()
-+{
-+return f != $ac_func;
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext conftest$ac_exeext
-+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-+  (eval $ac_link) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_c_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest$ac_exeext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  eval "$as_ac_var=yes"
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+eval "$as_ac_var=no"
-+fi
-+rm -f conftest.err conftest.$ac_objext \
-+      conftest$ac_exeext conftest.$ac_ext
-+fi
-+echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_var'}'`" >&5
-+echo "${ECHO_T}`eval echo '${'$as_ac_var'}'`" >&6
-+if test `eval echo '${'$as_ac_var'}'` = yes; then
-+  cat >>confdefs.h <<_ACEOF
-+#define `echo "HAVE_$ac_func" | $as_tr_cpp` 1
-+_ACEOF
-+
-+fi
-+done
-+
-+  else
-+
-+  echo "$as_me:$LINENO: checking for _atan2l declaration" >&5
-+echo $ECHO_N "checking for _atan2l declaration... $ECHO_C" >&6
-+  if test x${glibcxx_cv_func__atan2l_use+set} != xset; then
-+    if test "${glibcxx_cv_func__atan2l_use+set}" = set; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+
-+
-+
-+      ac_ext=cc
-+ac_cpp='$CXXCPP $CPPFLAGS'
-+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
-+
-+      cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+#include <math.h>
-+int
-+main ()
-+{
-+ _atan2l(0, 0);
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext
-+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-+  (eval $ac_compile) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_cxx_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest.$ac_objext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  glibcxx_cv_func__atan2l_use=yes
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+glibcxx_cv_func__atan2l_use=no
-+fi
-+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
-+      ac_ext=c
-+ac_cpp='$CPP $CPPFLAGS'
-+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_c_compiler_gnu
-+
-+
-+fi
-+
-+  fi
-+  echo "$as_me:$LINENO: result: $glibcxx_cv_func__atan2l_use" >&5
-+echo "${ECHO_T}$glibcxx_cv_func__atan2l_use" >&6
-+
-+    if test x$glibcxx_cv_func__atan2l_use = x"yes"; then
-+
-+for ac_func in _atan2l
-+do
-+as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh`
-+echo "$as_me:$LINENO: checking for $ac_func" >&5
-+echo $ECHO_N "checking for $ac_func... $ECHO_C" >&6
-+if eval "test \"\${$as_ac_var+set}\" = set"; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+  if test x$gcc_no_link = xyes; then
-+  { { echo "$as_me:$LINENO: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&5
-+echo "$as_me: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&2;}
-+   { (exit 1); exit 1; }; }
-+fi
-+cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+/* Define $ac_func to an innocuous variant, in case <limits.h> declares $ac_func.
-+   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
-+#define $ac_func innocuous_$ac_func
-+
-+/* System header to define __stub macros and hopefully few prototypes,
-+    which can conflict with char $ac_func (); below.
-+    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
-+    <limits.h> exists even on freestanding compilers.  */
-+
-+#ifdef __STDC__
-+# include <limits.h>
-+#else
-+# include <assert.h>
-+#endif
-+
-+#undef $ac_func
-+
-+/* Override any gcc2 internal prototype to avoid an error.  */
-+#ifdef __cplusplus
-+extern "C"
-+{
-+#endif
-+/* We use char because int might match the return type of a gcc2
-+   builtin and then its argument prototype would still apply.  */
-+char $ac_func ();
-+/* The GNU C library defines this for functions which it implements
-+    to always fail with ENOSYS.  Some functions are actually named
-+    something starting with __ and the normal name is an alias.  */
-+#if defined (__stub_$ac_func) || defined (__stub___$ac_func)
-+choke me
-+#else
-+char (*f) () = $ac_func;
-+#endif
-+#ifdef __cplusplus
-+}
-+#endif
-+
-+int
-+main ()
-+{
-+return f != $ac_func;
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext conftest$ac_exeext
-+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-+  (eval $ac_link) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_c_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest$ac_exeext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  eval "$as_ac_var=yes"
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+eval "$as_ac_var=no"
-+fi
-+rm -f conftest.err conftest.$ac_objext \
-+      conftest$ac_exeext conftest.$ac_ext
-+fi
-+echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_var'}'`" >&5
-+echo "${ECHO_T}`eval echo '${'$as_ac_var'}'`" >&6
-+if test `eval echo '${'$as_ac_var'}'` = yes; then
-+  cat >>confdefs.h <<_ACEOF
-+#define `echo "HAVE_$ac_func" | $as_tr_cpp` 1
-+_ACEOF
-+
-+fi
-+done
-+
-+    fi
-+  fi
-+
-+
-+
-+  echo "$as_me:$LINENO: checking for expl declaration" >&5
-+echo $ECHO_N "checking for expl declaration... $ECHO_C" >&6
-+  if test x${glibcxx_cv_func_expl_use+set} != xset; then
-+    if test "${glibcxx_cv_func_expl_use+set}" = set; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+
-+
-+
-+      ac_ext=cc
-+ac_cpp='$CXXCPP $CPPFLAGS'
-+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
-+
-+      cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+#include <math.h>
-+		      #ifdef HAVE_IEEEFP_H
-+		      #include <ieeefp.h>
-+		      #endif
-+
-+int
-+main ()
-+{
-+ expl(0);
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext
-+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-+  (eval $ac_compile) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_cxx_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest.$ac_objext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  glibcxx_cv_func_expl_use=yes
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+glibcxx_cv_func_expl_use=no
-+fi
-+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
-+      ac_ext=c
-+ac_cpp='$CPP $CPPFLAGS'
-+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_c_compiler_gnu
-+
-+
-+fi
-+
-+  fi
-+  echo "$as_me:$LINENO: result: $glibcxx_cv_func_expl_use" >&5
-+echo "${ECHO_T}$glibcxx_cv_func_expl_use" >&6
-+
-+  if test x$glibcxx_cv_func_expl_use = x"yes"; then
-+
-+for ac_func in expl
-+do
-+as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh`
-+echo "$as_me:$LINENO: checking for $ac_func" >&5
-+echo $ECHO_N "checking for $ac_func... $ECHO_C" >&6
-+if eval "test \"\${$as_ac_var+set}\" = set"; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+  if test x$gcc_no_link = xyes; then
-+  { { echo "$as_me:$LINENO: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&5
-+echo "$as_me: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&2;}
-+   { (exit 1); exit 1; }; }
-+fi
-+cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+/* Define $ac_func to an innocuous variant, in case <limits.h> declares $ac_func.
-+   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
-+#define $ac_func innocuous_$ac_func
-+
-+/* System header to define __stub macros and hopefully few prototypes,
-+    which can conflict with char $ac_func (); below.
-+    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
-+    <limits.h> exists even on freestanding compilers.  */
-+
-+#ifdef __STDC__
-+# include <limits.h>
-+#else
-+# include <assert.h>
-+#endif
-+
-+#undef $ac_func
-+
-+/* Override any gcc2 internal prototype to avoid an error.  */
-+#ifdef __cplusplus
-+extern "C"
-+{
-+#endif
-+/* We use char because int might match the return type of a gcc2
-+   builtin and then its argument prototype would still apply.  */
-+char $ac_func ();
-+/* The GNU C library defines this for functions which it implements
-+    to always fail with ENOSYS.  Some functions are actually named
-+    something starting with __ and the normal name is an alias.  */
-+#if defined (__stub_$ac_func) || defined (__stub___$ac_func)
-+choke me
-+#else
-+char (*f) () = $ac_func;
-+#endif
-+#ifdef __cplusplus
-+}
-+#endif
-+
-+int
-+main ()
-+{
-+return f != $ac_func;
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext conftest$ac_exeext
-+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-+  (eval $ac_link) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_c_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest$ac_exeext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  eval "$as_ac_var=yes"
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+eval "$as_ac_var=no"
-+fi
-+rm -f conftest.err conftest.$ac_objext \
-+      conftest$ac_exeext conftest.$ac_ext
-+fi
-+echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_var'}'`" >&5
-+echo "${ECHO_T}`eval echo '${'$as_ac_var'}'`" >&6
-+if test `eval echo '${'$as_ac_var'}'` = yes; then
-+  cat >>confdefs.h <<_ACEOF
-+#define `echo "HAVE_$ac_func" | $as_tr_cpp` 1
-+_ACEOF
-+
-+fi
-+done
-+
-+  else
-+
-+  echo "$as_me:$LINENO: checking for _expl declaration" >&5
-+echo $ECHO_N "checking for _expl declaration... $ECHO_C" >&6
-+  if test x${glibcxx_cv_func__expl_use+set} != xset; then
-+    if test "${glibcxx_cv_func__expl_use+set}" = set; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+
-+
-+
-+      ac_ext=cc
-+ac_cpp='$CXXCPP $CPPFLAGS'
-+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
-+
-+      cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+#include <math.h>
-+		      #ifdef HAVE_IEEEFP_H
-+		      #include <ieeefp.h>
-+		      #endif
-+
-+int
-+main ()
-+{
-+ _expl(0);
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext
-+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-+  (eval $ac_compile) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_cxx_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest.$ac_objext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  glibcxx_cv_func__expl_use=yes
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+glibcxx_cv_func__expl_use=no
-+fi
-+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
-+      ac_ext=c
-+ac_cpp='$CPP $CPPFLAGS'
-+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_c_compiler_gnu
-+
-+
-+fi
-+
-+  fi
-+  echo "$as_me:$LINENO: result: $glibcxx_cv_func__expl_use" >&5
-+echo "${ECHO_T}$glibcxx_cv_func__expl_use" >&6
-+
-+    if test x$glibcxx_cv_func__expl_use = x"yes"; then
-+
-+for ac_func in _expl
-+do
-+as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh`
-+echo "$as_me:$LINENO: checking for $ac_func" >&5
-+echo $ECHO_N "checking for $ac_func... $ECHO_C" >&6
-+if eval "test \"\${$as_ac_var+set}\" = set"; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+  if test x$gcc_no_link = xyes; then
-+  { { echo "$as_me:$LINENO: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&5
-+echo "$as_me: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&2;}
-+   { (exit 1); exit 1; }; }
-+fi
-+cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+/* Define $ac_func to an innocuous variant, in case <limits.h> declares $ac_func.
-+   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
-+#define $ac_func innocuous_$ac_func
-+
-+/* System header to define __stub macros and hopefully few prototypes,
-+    which can conflict with char $ac_func (); below.
-+    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
-+    <limits.h> exists even on freestanding compilers.  */
-+
-+#ifdef __STDC__
-+# include <limits.h>
-+#else
-+# include <assert.h>
-+#endif
-+
-+#undef $ac_func
-+
-+/* Override any gcc2 internal prototype to avoid an error.  */
-+#ifdef __cplusplus
-+extern "C"
-+{
-+#endif
-+/* We use char because int might match the return type of a gcc2
-+   builtin and then its argument prototype would still apply.  */
-+char $ac_func ();
-+/* The GNU C library defines this for functions which it implements
-+    to always fail with ENOSYS.  Some functions are actually named
-+    something starting with __ and the normal name is an alias.  */
-+#if defined (__stub_$ac_func) || defined (__stub___$ac_func)
-+choke me
-+#else
-+char (*f) () = $ac_func;
-+#endif
-+#ifdef __cplusplus
-+}
-+#endif
-+
-+int
-+main ()
-+{
-+return f != $ac_func;
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext conftest$ac_exeext
-+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-+  (eval $ac_link) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_c_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest$ac_exeext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  eval "$as_ac_var=yes"
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+eval "$as_ac_var=no"
-+fi
-+rm -f conftest.err conftest.$ac_objext \
-+      conftest$ac_exeext conftest.$ac_ext
-+fi
-+echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_var'}'`" >&5
-+echo "${ECHO_T}`eval echo '${'$as_ac_var'}'`" >&6
-+if test `eval echo '${'$as_ac_var'}'` = yes; then
-+  cat >>confdefs.h <<_ACEOF
-+#define `echo "HAVE_$ac_func" | $as_tr_cpp` 1
-+_ACEOF
-+
-+fi
-+done
-+
-+    fi
-+  fi
-+
-+
-+
-+  echo "$as_me:$LINENO: checking for fabsl declaration" >&5
-+echo $ECHO_N "checking for fabsl declaration... $ECHO_C" >&6
-+  if test x${glibcxx_cv_func_fabsl_use+set} != xset; then
-+    if test "${glibcxx_cv_func_fabsl_use+set}" = set; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+
-+
-+
-+      ac_ext=cc
-+ac_cpp='$CXXCPP $CPPFLAGS'
-+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
-+
-+      cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+#include <math.h>
-+		      #ifdef HAVE_IEEEFP_H
-+		      #include <ieeefp.h>
-+		      #endif
-+
-+int
-+main ()
-+{
-+ fabsl(0);
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext
-+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-+  (eval $ac_compile) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_cxx_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest.$ac_objext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  glibcxx_cv_func_fabsl_use=yes
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+glibcxx_cv_func_fabsl_use=no
-+fi
-+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
-+      ac_ext=c
-+ac_cpp='$CPP $CPPFLAGS'
-+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_c_compiler_gnu
-+
-+
-+fi
-+
-+  fi
-+  echo "$as_me:$LINENO: result: $glibcxx_cv_func_fabsl_use" >&5
-+echo "${ECHO_T}$glibcxx_cv_func_fabsl_use" >&6
-+
-+  if test x$glibcxx_cv_func_fabsl_use = x"yes"; then
-+
-+for ac_func in fabsl
-+do
-+as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh`
-+echo "$as_me:$LINENO: checking for $ac_func" >&5
-+echo $ECHO_N "checking for $ac_func... $ECHO_C" >&6
-+if eval "test \"\${$as_ac_var+set}\" = set"; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+  if test x$gcc_no_link = xyes; then
-+  { { echo "$as_me:$LINENO: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&5
-+echo "$as_me: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&2;}
-+   { (exit 1); exit 1; }; }
-+fi
-+cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+/* Define $ac_func to an innocuous variant, in case <limits.h> declares $ac_func.
-+   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
-+#define $ac_func innocuous_$ac_func
-+
-+/* System header to define __stub macros and hopefully few prototypes,
-+    which can conflict with char $ac_func (); below.
-+    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
-+    <limits.h> exists even on freestanding compilers.  */
-+
-+#ifdef __STDC__
-+# include <limits.h>
-+#else
-+# include <assert.h>
-+#endif
-+
-+#undef $ac_func
-+
-+/* Override any gcc2 internal prototype to avoid an error.  */
-+#ifdef __cplusplus
-+extern "C"
-+{
-+#endif
-+/* We use char because int might match the return type of a gcc2
-+   builtin and then its argument prototype would still apply.  */
-+char $ac_func ();
-+/* The GNU C library defines this for functions which it implements
-+    to always fail with ENOSYS.  Some functions are actually named
-+    something starting with __ and the normal name is an alias.  */
-+#if defined (__stub_$ac_func) || defined (__stub___$ac_func)
-+choke me
-+#else
-+char (*f) () = $ac_func;
-+#endif
-+#ifdef __cplusplus
-+}
-+#endif
-+
-+int
-+main ()
-+{
-+return f != $ac_func;
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext conftest$ac_exeext
-+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-+  (eval $ac_link) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_c_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest$ac_exeext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  eval "$as_ac_var=yes"
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+eval "$as_ac_var=no"
-+fi
-+rm -f conftest.err conftest.$ac_objext \
-+      conftest$ac_exeext conftest.$ac_ext
-+fi
-+echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_var'}'`" >&5
-+echo "${ECHO_T}`eval echo '${'$as_ac_var'}'`" >&6
-+if test `eval echo '${'$as_ac_var'}'` = yes; then
-+  cat >>confdefs.h <<_ACEOF
-+#define `echo "HAVE_$ac_func" | $as_tr_cpp` 1
-+_ACEOF
-+
-+fi
-+done
-+
-+  else
-+
-+  echo "$as_me:$LINENO: checking for _fabsl declaration" >&5
-+echo $ECHO_N "checking for _fabsl declaration... $ECHO_C" >&6
-+  if test x${glibcxx_cv_func__fabsl_use+set} != xset; then
-+    if test "${glibcxx_cv_func__fabsl_use+set}" = set; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+
-+
-+
-+      ac_ext=cc
-+ac_cpp='$CXXCPP $CPPFLAGS'
-+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
-+
-+      cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+#include <math.h>
-+		      #ifdef HAVE_IEEEFP_H
-+		      #include <ieeefp.h>
-+		      #endif
-+
-+int
-+main ()
-+{
-+ _fabsl(0);
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext
-+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-+  (eval $ac_compile) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_cxx_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest.$ac_objext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  glibcxx_cv_func__fabsl_use=yes
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+glibcxx_cv_func__fabsl_use=no
-+fi
-+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
-+      ac_ext=c
-+ac_cpp='$CPP $CPPFLAGS'
-+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_c_compiler_gnu
-+
-+
-+fi
-+
-+  fi
-+  echo "$as_me:$LINENO: result: $glibcxx_cv_func__fabsl_use" >&5
-+echo "${ECHO_T}$glibcxx_cv_func__fabsl_use" >&6
-+
-+    if test x$glibcxx_cv_func__fabsl_use = x"yes"; then
-+
-+for ac_func in _fabsl
-+do
-+as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh`
-+echo "$as_me:$LINENO: checking for $ac_func" >&5
-+echo $ECHO_N "checking for $ac_func... $ECHO_C" >&6
-+if eval "test \"\${$as_ac_var+set}\" = set"; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+  if test x$gcc_no_link = xyes; then
-+  { { echo "$as_me:$LINENO: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&5
-+echo "$as_me: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&2;}
-+   { (exit 1); exit 1; }; }
-+fi
-+cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+/* Define $ac_func to an innocuous variant, in case <limits.h> declares $ac_func.
-+   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
-+#define $ac_func innocuous_$ac_func
-+
-+/* System header to define __stub macros and hopefully few prototypes,
-+    which can conflict with char $ac_func (); below.
-+    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
-+    <limits.h> exists even on freestanding compilers.  */
-+
-+#ifdef __STDC__
-+# include <limits.h>
-+#else
-+# include <assert.h>
-+#endif
-+
-+#undef $ac_func
-+
-+/* Override any gcc2 internal prototype to avoid an error.  */
-+#ifdef __cplusplus
-+extern "C"
-+{
-+#endif
-+/* We use char because int might match the return type of a gcc2
-+   builtin and then its argument prototype would still apply.  */
-+char $ac_func ();
-+/* The GNU C library defines this for functions which it implements
-+    to always fail with ENOSYS.  Some functions are actually named
-+    something starting with __ and the normal name is an alias.  */
-+#if defined (__stub_$ac_func) || defined (__stub___$ac_func)
-+choke me
-+#else
-+char (*f) () = $ac_func;
-+#endif
-+#ifdef __cplusplus
-+}
-+#endif
-+
-+int
-+main ()
-+{
-+return f != $ac_func;
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext conftest$ac_exeext
-+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-+  (eval $ac_link) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_c_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest$ac_exeext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  eval "$as_ac_var=yes"
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+eval "$as_ac_var=no"
-+fi
-+rm -f conftest.err conftest.$ac_objext \
-+      conftest$ac_exeext conftest.$ac_ext
-+fi
-+echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_var'}'`" >&5
-+echo "${ECHO_T}`eval echo '${'$as_ac_var'}'`" >&6
-+if test `eval echo '${'$as_ac_var'}'` = yes; then
-+  cat >>confdefs.h <<_ACEOF
-+#define `echo "HAVE_$ac_func" | $as_tr_cpp` 1
-+_ACEOF
-+
-+fi
-+done
-+
-+    fi
-+  fi
-+
-+
-+
-+  echo "$as_me:$LINENO: checking for fmodl declaration" >&5
-+echo $ECHO_N "checking for fmodl declaration... $ECHO_C" >&6
-+  if test x${glibcxx_cv_func_fmodl_use+set} != xset; then
-+    if test "${glibcxx_cv_func_fmodl_use+set}" = set; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+
-+
-+
-+      ac_ext=cc
-+ac_cpp='$CXXCPP $CPPFLAGS'
-+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
-+
-+      cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+#include <math.h>
-+int
-+main ()
-+{
-+ fmodl(0, 0);
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext
-+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-+  (eval $ac_compile) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_cxx_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest.$ac_objext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  glibcxx_cv_func_fmodl_use=yes
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+glibcxx_cv_func_fmodl_use=no
-+fi
-+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
-+      ac_ext=c
-+ac_cpp='$CPP $CPPFLAGS'
-+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_c_compiler_gnu
-+
-+
-+fi
-+
-+  fi
-+  echo "$as_me:$LINENO: result: $glibcxx_cv_func_fmodl_use" >&5
-+echo "${ECHO_T}$glibcxx_cv_func_fmodl_use" >&6
-+
-+  if test x$glibcxx_cv_func_fmodl_use = x"yes"; then
-+
-+for ac_func in fmodl
-+do
-+as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh`
-+echo "$as_me:$LINENO: checking for $ac_func" >&5
-+echo $ECHO_N "checking for $ac_func... $ECHO_C" >&6
-+if eval "test \"\${$as_ac_var+set}\" = set"; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+  if test x$gcc_no_link = xyes; then
-+  { { echo "$as_me:$LINENO: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&5
-+echo "$as_me: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&2;}
-+   { (exit 1); exit 1; }; }
-+fi
-+cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+/* Define $ac_func to an innocuous variant, in case <limits.h> declares $ac_func.
-+   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
-+#define $ac_func innocuous_$ac_func
-+
-+/* System header to define __stub macros and hopefully few prototypes,
-+    which can conflict with char $ac_func (); below.
-+    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
-+    <limits.h> exists even on freestanding compilers.  */
-+
-+#ifdef __STDC__
-+# include <limits.h>
-+#else
-+# include <assert.h>
-+#endif
-+
-+#undef $ac_func
-+
-+/* Override any gcc2 internal prototype to avoid an error.  */
-+#ifdef __cplusplus
-+extern "C"
-+{
-+#endif
-+/* We use char because int might match the return type of a gcc2
-+   builtin and then its argument prototype would still apply.  */
-+char $ac_func ();
-+/* The GNU C library defines this for functions which it implements
-+    to always fail with ENOSYS.  Some functions are actually named
-+    something starting with __ and the normal name is an alias.  */
-+#if defined (__stub_$ac_func) || defined (__stub___$ac_func)
-+choke me
-+#else
-+char (*f) () = $ac_func;
-+#endif
-+#ifdef __cplusplus
-+}
-+#endif
-+
-+int
-+main ()
-+{
-+return f != $ac_func;
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext conftest$ac_exeext
-+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-+  (eval $ac_link) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_c_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest$ac_exeext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  eval "$as_ac_var=yes"
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+eval "$as_ac_var=no"
-+fi
-+rm -f conftest.err conftest.$ac_objext \
-+      conftest$ac_exeext conftest.$ac_ext
-+fi
-+echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_var'}'`" >&5
-+echo "${ECHO_T}`eval echo '${'$as_ac_var'}'`" >&6
-+if test `eval echo '${'$as_ac_var'}'` = yes; then
-+  cat >>confdefs.h <<_ACEOF
-+#define `echo "HAVE_$ac_func" | $as_tr_cpp` 1
-+_ACEOF
-+
-+fi
-+done
-+
-+  else
-+
-+  echo "$as_me:$LINENO: checking for _fmodl declaration" >&5
-+echo $ECHO_N "checking for _fmodl declaration... $ECHO_C" >&6
-+  if test x${glibcxx_cv_func__fmodl_use+set} != xset; then
-+    if test "${glibcxx_cv_func__fmodl_use+set}" = set; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+
-+
-+
-+      ac_ext=cc
-+ac_cpp='$CXXCPP $CPPFLAGS'
-+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
-+
-+      cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+#include <math.h>
-+int
-+main ()
-+{
-+ _fmodl(0, 0);
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext
-+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-+  (eval $ac_compile) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_cxx_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest.$ac_objext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  glibcxx_cv_func__fmodl_use=yes
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+glibcxx_cv_func__fmodl_use=no
-+fi
-+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
-+      ac_ext=c
-+ac_cpp='$CPP $CPPFLAGS'
-+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_c_compiler_gnu
-+
-+
-+fi
-+
-+  fi
-+  echo "$as_me:$LINENO: result: $glibcxx_cv_func__fmodl_use" >&5
-+echo "${ECHO_T}$glibcxx_cv_func__fmodl_use" >&6
-+
-+    if test x$glibcxx_cv_func__fmodl_use = x"yes"; then
-+
-+for ac_func in _fmodl
-+do
-+as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh`
-+echo "$as_me:$LINENO: checking for $ac_func" >&5
-+echo $ECHO_N "checking for $ac_func... $ECHO_C" >&6
-+if eval "test \"\${$as_ac_var+set}\" = set"; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+  if test x$gcc_no_link = xyes; then
-+  { { echo "$as_me:$LINENO: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&5
-+echo "$as_me: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&2;}
-+   { (exit 1); exit 1; }; }
-+fi
-+cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+/* Define $ac_func to an innocuous variant, in case <limits.h> declares $ac_func.
-+   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
-+#define $ac_func innocuous_$ac_func
-+
-+/* System header to define __stub macros and hopefully few prototypes,
-+    which can conflict with char $ac_func (); below.
-+    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
-+    <limits.h> exists even on freestanding compilers.  */
-+
-+#ifdef __STDC__
-+# include <limits.h>
-+#else
-+# include <assert.h>
-+#endif
-+
-+#undef $ac_func
-+
-+/* Override any gcc2 internal prototype to avoid an error.  */
-+#ifdef __cplusplus
-+extern "C"
-+{
-+#endif
-+/* We use char because int might match the return type of a gcc2
-+   builtin and then its argument prototype would still apply.  */
-+char $ac_func ();
-+/* The GNU C library defines this for functions which it implements
-+    to always fail with ENOSYS.  Some functions are actually named
-+    something starting with __ and the normal name is an alias.  */
-+#if defined (__stub_$ac_func) || defined (__stub___$ac_func)
-+choke me
-+#else
-+char (*f) () = $ac_func;
-+#endif
-+#ifdef __cplusplus
-+}
-+#endif
-+
-+int
-+main ()
-+{
-+return f != $ac_func;
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext conftest$ac_exeext
-+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-+  (eval $ac_link) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_c_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest$ac_exeext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  eval "$as_ac_var=yes"
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+eval "$as_ac_var=no"
-+fi
-+rm -f conftest.err conftest.$ac_objext \
-+      conftest$ac_exeext conftest.$ac_ext
-+fi
-+echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_var'}'`" >&5
-+echo "${ECHO_T}`eval echo '${'$as_ac_var'}'`" >&6
-+if test `eval echo '${'$as_ac_var'}'` = yes; then
-+  cat >>confdefs.h <<_ACEOF
-+#define `echo "HAVE_$ac_func" | $as_tr_cpp` 1
-+_ACEOF
-+
-+fi
-+done
-+
-+    fi
-+  fi
-+
-+
-+
-+  echo "$as_me:$LINENO: checking for frexpl declaration" >&5
-+echo $ECHO_N "checking for frexpl declaration... $ECHO_C" >&6
-+  if test x${glibcxx_cv_func_frexpl_use+set} != xset; then
-+    if test "${glibcxx_cv_func_frexpl_use+set}" = set; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+
-+
-+
-+      ac_ext=cc
-+ac_cpp='$CXXCPP $CPPFLAGS'
-+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
-+
-+      cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+#include <math.h>
-+int
-+main ()
-+{
-+ frexpl(0, 0);
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext
-+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-+  (eval $ac_compile) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_cxx_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest.$ac_objext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  glibcxx_cv_func_frexpl_use=yes
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+glibcxx_cv_func_frexpl_use=no
-+fi
-+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
-+      ac_ext=c
-+ac_cpp='$CPP $CPPFLAGS'
-+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_c_compiler_gnu
-+
-+
-+fi
-+
-+  fi
-+  echo "$as_me:$LINENO: result: $glibcxx_cv_func_frexpl_use" >&5
-+echo "${ECHO_T}$glibcxx_cv_func_frexpl_use" >&6
-+
-+  if test x$glibcxx_cv_func_frexpl_use = x"yes"; then
-+
-+for ac_func in frexpl
-+do
-+as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh`
-+echo "$as_me:$LINENO: checking for $ac_func" >&5
-+echo $ECHO_N "checking for $ac_func... $ECHO_C" >&6
-+if eval "test \"\${$as_ac_var+set}\" = set"; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+  if test x$gcc_no_link = xyes; then
-+  { { echo "$as_me:$LINENO: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&5
-+echo "$as_me: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&2;}
-+   { (exit 1); exit 1; }; }
-+fi
-+cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+/* Define $ac_func to an innocuous variant, in case <limits.h> declares $ac_func.
-+   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
-+#define $ac_func innocuous_$ac_func
-+
-+/* System header to define __stub macros and hopefully few prototypes,
-+    which can conflict with char $ac_func (); below.
-+    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
-+    <limits.h> exists even on freestanding compilers.  */
-+
-+#ifdef __STDC__
-+# include <limits.h>
-+#else
-+# include <assert.h>
-+#endif
-+
-+#undef $ac_func
-+
-+/* Override any gcc2 internal prototype to avoid an error.  */
-+#ifdef __cplusplus
-+extern "C"
-+{
-+#endif
-+/* We use char because int might match the return type of a gcc2
-+   builtin and then its argument prototype would still apply.  */
-+char $ac_func ();
-+/* The GNU C library defines this for functions which it implements
-+    to always fail with ENOSYS.  Some functions are actually named
-+    something starting with __ and the normal name is an alias.  */
-+#if defined (__stub_$ac_func) || defined (__stub___$ac_func)
-+choke me
-+#else
-+char (*f) () = $ac_func;
-+#endif
-+#ifdef __cplusplus
-+}
-+#endif
-+
-+int
-+main ()
-+{
-+return f != $ac_func;
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext conftest$ac_exeext
-+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-+  (eval $ac_link) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_c_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest$ac_exeext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  eval "$as_ac_var=yes"
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+eval "$as_ac_var=no"
-+fi
-+rm -f conftest.err conftest.$ac_objext \
-+      conftest$ac_exeext conftest.$ac_ext
-+fi
-+echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_var'}'`" >&5
-+echo "${ECHO_T}`eval echo '${'$as_ac_var'}'`" >&6
-+if test `eval echo '${'$as_ac_var'}'` = yes; then
-+  cat >>confdefs.h <<_ACEOF
-+#define `echo "HAVE_$ac_func" | $as_tr_cpp` 1
-+_ACEOF
-+
-+fi
-+done
-+
-+  else
-+
-+  echo "$as_me:$LINENO: checking for _frexpl declaration" >&5
-+echo $ECHO_N "checking for _frexpl declaration... $ECHO_C" >&6
-+  if test x${glibcxx_cv_func__frexpl_use+set} != xset; then
-+    if test "${glibcxx_cv_func__frexpl_use+set}" = set; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+
-+
-+
-+      ac_ext=cc
-+ac_cpp='$CXXCPP $CPPFLAGS'
-+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
-+
-+      cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+#include <math.h>
-+int
-+main ()
-+{
-+ _frexpl(0, 0);
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext
-+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-+  (eval $ac_compile) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_cxx_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest.$ac_objext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  glibcxx_cv_func__frexpl_use=yes
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+glibcxx_cv_func__frexpl_use=no
-+fi
-+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
-+      ac_ext=c
-+ac_cpp='$CPP $CPPFLAGS'
-+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_c_compiler_gnu
-+
-+
-+fi
-+
-+  fi
-+  echo "$as_me:$LINENO: result: $glibcxx_cv_func__frexpl_use" >&5
-+echo "${ECHO_T}$glibcxx_cv_func__frexpl_use" >&6
-+
-+    if test x$glibcxx_cv_func__frexpl_use = x"yes"; then
-+
-+for ac_func in _frexpl
-+do
-+as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh`
-+echo "$as_me:$LINENO: checking for $ac_func" >&5
-+echo $ECHO_N "checking for $ac_func... $ECHO_C" >&6
-+if eval "test \"\${$as_ac_var+set}\" = set"; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+  if test x$gcc_no_link = xyes; then
-+  { { echo "$as_me:$LINENO: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&5
-+echo "$as_me: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&2;}
-+   { (exit 1); exit 1; }; }
-+fi
-+cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+/* Define $ac_func to an innocuous variant, in case <limits.h> declares $ac_func.
-+   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
-+#define $ac_func innocuous_$ac_func
-+
-+/* System header to define __stub macros and hopefully few prototypes,
-+    which can conflict with char $ac_func (); below.
-+    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
-+    <limits.h> exists even on freestanding compilers.  */
-+
-+#ifdef __STDC__
-+# include <limits.h>
-+#else
-+# include <assert.h>
-+#endif
-+
-+#undef $ac_func
-+
-+/* Override any gcc2 internal prototype to avoid an error.  */
-+#ifdef __cplusplus
-+extern "C"
-+{
-+#endif
-+/* We use char because int might match the return type of a gcc2
-+   builtin and then its argument prototype would still apply.  */
-+char $ac_func ();
-+/* The GNU C library defines this for functions which it implements
-+    to always fail with ENOSYS.  Some functions are actually named
-+    something starting with __ and the normal name is an alias.  */
-+#if defined (__stub_$ac_func) || defined (__stub___$ac_func)
-+choke me
-+#else
-+char (*f) () = $ac_func;
-+#endif
-+#ifdef __cplusplus
-+}
-+#endif
-+
-+int
-+main ()
-+{
-+return f != $ac_func;
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext conftest$ac_exeext
-+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-+  (eval $ac_link) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_c_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest$ac_exeext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  eval "$as_ac_var=yes"
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+eval "$as_ac_var=no"
-+fi
-+rm -f conftest.err conftest.$ac_objext \
-+      conftest$ac_exeext conftest.$ac_ext
-+fi
-+echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_var'}'`" >&5
-+echo "${ECHO_T}`eval echo '${'$as_ac_var'}'`" >&6
-+if test `eval echo '${'$as_ac_var'}'` = yes; then
-+  cat >>confdefs.h <<_ACEOF
-+#define `echo "HAVE_$ac_func" | $as_tr_cpp` 1
-+_ACEOF
-+
-+fi
-+done
-+
-+    fi
-+  fi
-+
-+
-+
-+  echo "$as_me:$LINENO: checking for hypotl declaration" >&5
-+echo $ECHO_N "checking for hypotl declaration... $ECHO_C" >&6
-+  if test x${glibcxx_cv_func_hypotl_use+set} != xset; then
-+    if test "${glibcxx_cv_func_hypotl_use+set}" = set; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+
-+
-+
-+      ac_ext=cc
-+ac_cpp='$CXXCPP $CPPFLAGS'
-+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
-+
-+      cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+#include <math.h>
-+int
-+main ()
-+{
-+ hypotl(0, 0);
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext
-+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-+  (eval $ac_compile) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_cxx_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest.$ac_objext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  glibcxx_cv_func_hypotl_use=yes
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+glibcxx_cv_func_hypotl_use=no
-+fi
-+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
-+      ac_ext=c
-+ac_cpp='$CPP $CPPFLAGS'
-+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_c_compiler_gnu
-+
-+
-+fi
-+
-+  fi
-+  echo "$as_me:$LINENO: result: $glibcxx_cv_func_hypotl_use" >&5
-+echo "${ECHO_T}$glibcxx_cv_func_hypotl_use" >&6
-+
-+  if test x$glibcxx_cv_func_hypotl_use = x"yes"; then
-+
-+for ac_func in hypotl
-+do
-+as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh`
-+echo "$as_me:$LINENO: checking for $ac_func" >&5
-+echo $ECHO_N "checking for $ac_func... $ECHO_C" >&6
-+if eval "test \"\${$as_ac_var+set}\" = set"; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+  if test x$gcc_no_link = xyes; then
-+  { { echo "$as_me:$LINENO: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&5
-+echo "$as_me: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&2;}
-+   { (exit 1); exit 1; }; }
-+fi
-+cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+/* Define $ac_func to an innocuous variant, in case <limits.h> declares $ac_func.
-+   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
-+#define $ac_func innocuous_$ac_func
-+
-+/* System header to define __stub macros and hopefully few prototypes,
-+    which can conflict with char $ac_func (); below.
-+    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
-+    <limits.h> exists even on freestanding compilers.  */
-+
-+#ifdef __STDC__
-+# include <limits.h>
-+#else
-+# include <assert.h>
-+#endif
-+
-+#undef $ac_func
-+
-+/* Override any gcc2 internal prototype to avoid an error.  */
-+#ifdef __cplusplus
-+extern "C"
-+{
-+#endif
-+/* We use char because int might match the return type of a gcc2
-+   builtin and then its argument prototype would still apply.  */
-+char $ac_func ();
-+/* The GNU C library defines this for functions which it implements
-+    to always fail with ENOSYS.  Some functions are actually named
-+    something starting with __ and the normal name is an alias.  */
-+#if defined (__stub_$ac_func) || defined (__stub___$ac_func)
-+choke me
-+#else
-+char (*f) () = $ac_func;
-+#endif
-+#ifdef __cplusplus
-+}
-+#endif
-+
-+int
-+main ()
-+{
-+return f != $ac_func;
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext conftest$ac_exeext
-+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-+  (eval $ac_link) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_c_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest$ac_exeext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  eval "$as_ac_var=yes"
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+eval "$as_ac_var=no"
-+fi
-+rm -f conftest.err conftest.$ac_objext \
-+      conftest$ac_exeext conftest.$ac_ext
-+fi
-+echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_var'}'`" >&5
-+echo "${ECHO_T}`eval echo '${'$as_ac_var'}'`" >&6
-+if test `eval echo '${'$as_ac_var'}'` = yes; then
-+  cat >>confdefs.h <<_ACEOF
-+#define `echo "HAVE_$ac_func" | $as_tr_cpp` 1
-+_ACEOF
-+
-+fi
-+done
-+
-+  else
-+
-+  echo "$as_me:$LINENO: checking for _hypotl declaration" >&5
-+echo $ECHO_N "checking for _hypotl declaration... $ECHO_C" >&6
-+  if test x${glibcxx_cv_func__hypotl_use+set} != xset; then
-+    if test "${glibcxx_cv_func__hypotl_use+set}" = set; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+
-+
-+
-+      ac_ext=cc
-+ac_cpp='$CXXCPP $CPPFLAGS'
-+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
-+
-+      cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+#include <math.h>
-+int
-+main ()
-+{
-+ _hypotl(0, 0);
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext
-+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-+  (eval $ac_compile) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_cxx_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest.$ac_objext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  glibcxx_cv_func__hypotl_use=yes
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+glibcxx_cv_func__hypotl_use=no
-+fi
-+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
-+      ac_ext=c
-+ac_cpp='$CPP $CPPFLAGS'
-+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_c_compiler_gnu
-+
-+
-+fi
-+
-+  fi
-+  echo "$as_me:$LINENO: result: $glibcxx_cv_func__hypotl_use" >&5
-+echo "${ECHO_T}$glibcxx_cv_func__hypotl_use" >&6
-+
-+    if test x$glibcxx_cv_func__hypotl_use = x"yes"; then
-+
-+for ac_func in _hypotl
-+do
-+as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh`
-+echo "$as_me:$LINENO: checking for $ac_func" >&5
-+echo $ECHO_N "checking for $ac_func... $ECHO_C" >&6
-+if eval "test \"\${$as_ac_var+set}\" = set"; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+  if test x$gcc_no_link = xyes; then
-+  { { echo "$as_me:$LINENO: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&5
-+echo "$as_me: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&2;}
-+   { (exit 1); exit 1; }; }
-+fi
-+cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+/* Define $ac_func to an innocuous variant, in case <limits.h> declares $ac_func.
-+   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
-+#define $ac_func innocuous_$ac_func
-+
-+/* System header to define __stub macros and hopefully few prototypes,
-+    which can conflict with char $ac_func (); below.
-+    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
-+    <limits.h> exists even on freestanding compilers.  */
-+
-+#ifdef __STDC__
-+# include <limits.h>
-+#else
-+# include <assert.h>
-+#endif
-+
-+#undef $ac_func
-+
-+/* Override any gcc2 internal prototype to avoid an error.  */
-+#ifdef __cplusplus
-+extern "C"
-+{
-+#endif
-+/* We use char because int might match the return type of a gcc2
-+   builtin and then its argument prototype would still apply.  */
-+char $ac_func ();
-+/* The GNU C library defines this for functions which it implements
-+    to always fail with ENOSYS.  Some functions are actually named
-+    something starting with __ and the normal name is an alias.  */
-+#if defined (__stub_$ac_func) || defined (__stub___$ac_func)
-+choke me
-+#else
-+char (*f) () = $ac_func;
-+#endif
-+#ifdef __cplusplus
-+}
-+#endif
-+
-+int
-+main ()
-+{
-+return f != $ac_func;
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext conftest$ac_exeext
-+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-+  (eval $ac_link) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_c_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest$ac_exeext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  eval "$as_ac_var=yes"
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+eval "$as_ac_var=no"
-+fi
-+rm -f conftest.err conftest.$ac_objext \
-+      conftest$ac_exeext conftest.$ac_ext
-+fi
-+echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_var'}'`" >&5
-+echo "${ECHO_T}`eval echo '${'$as_ac_var'}'`" >&6
-+if test `eval echo '${'$as_ac_var'}'` = yes; then
-+  cat >>confdefs.h <<_ACEOF
-+#define `echo "HAVE_$ac_func" | $as_tr_cpp` 1
-+_ACEOF
-+
-+fi
-+done
-+
-+    fi
-+  fi
-+
-+
-+
-+  echo "$as_me:$LINENO: checking for ldexpl declaration" >&5
-+echo $ECHO_N "checking for ldexpl declaration... $ECHO_C" >&6
-+  if test x${glibcxx_cv_func_ldexpl_use+set} != xset; then
-+    if test "${glibcxx_cv_func_ldexpl_use+set}" = set; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+
-+
-+
-+      ac_ext=cc
-+ac_cpp='$CXXCPP $CPPFLAGS'
-+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
-+
-+      cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+#include <math.h>
-+int
-+main ()
-+{
-+ ldexpl(0, 0);
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext
-+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-+  (eval $ac_compile) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_cxx_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest.$ac_objext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  glibcxx_cv_func_ldexpl_use=yes
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+glibcxx_cv_func_ldexpl_use=no
-+fi
-+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
-+      ac_ext=c
-+ac_cpp='$CPP $CPPFLAGS'
-+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_c_compiler_gnu
-+
-+
-+fi
-+
-+  fi
-+  echo "$as_me:$LINENO: result: $glibcxx_cv_func_ldexpl_use" >&5
-+echo "${ECHO_T}$glibcxx_cv_func_ldexpl_use" >&6
-+
-+  if test x$glibcxx_cv_func_ldexpl_use = x"yes"; then
-+
-+for ac_func in ldexpl
-+do
-+as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh`
-+echo "$as_me:$LINENO: checking for $ac_func" >&5
-+echo $ECHO_N "checking for $ac_func... $ECHO_C" >&6
-+if eval "test \"\${$as_ac_var+set}\" = set"; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+  if test x$gcc_no_link = xyes; then
-+  { { echo "$as_me:$LINENO: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&5
-+echo "$as_me: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&2;}
-+   { (exit 1); exit 1; }; }
-+fi
-+cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+/* Define $ac_func to an innocuous variant, in case <limits.h> declares $ac_func.
-+   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
-+#define $ac_func innocuous_$ac_func
-+
-+/* System header to define __stub macros and hopefully few prototypes,
-+    which can conflict with char $ac_func (); below.
-+    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
-+    <limits.h> exists even on freestanding compilers.  */
-+
-+#ifdef __STDC__
-+# include <limits.h>
-+#else
-+# include <assert.h>
-+#endif
-+
-+#undef $ac_func
-+
-+/* Override any gcc2 internal prototype to avoid an error.  */
-+#ifdef __cplusplus
-+extern "C"
-+{
-+#endif
-+/* We use char because int might match the return type of a gcc2
-+   builtin and then its argument prototype would still apply.  */
-+char $ac_func ();
-+/* The GNU C library defines this for functions which it implements
-+    to always fail with ENOSYS.  Some functions are actually named
-+    something starting with __ and the normal name is an alias.  */
-+#if defined (__stub_$ac_func) || defined (__stub___$ac_func)
-+choke me
-+#else
-+char (*f) () = $ac_func;
-+#endif
-+#ifdef __cplusplus
-+}
-+#endif
-+
-+int
-+main ()
-+{
-+return f != $ac_func;
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext conftest$ac_exeext
-+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-+  (eval $ac_link) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_c_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest$ac_exeext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  eval "$as_ac_var=yes"
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+eval "$as_ac_var=no"
-+fi
-+rm -f conftest.err conftest.$ac_objext \
-+      conftest$ac_exeext conftest.$ac_ext
-+fi
-+echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_var'}'`" >&5
-+echo "${ECHO_T}`eval echo '${'$as_ac_var'}'`" >&6
-+if test `eval echo '${'$as_ac_var'}'` = yes; then
-+  cat >>confdefs.h <<_ACEOF
-+#define `echo "HAVE_$ac_func" | $as_tr_cpp` 1
-+_ACEOF
-+
-+fi
-+done
-+
-+  else
-+
-+  echo "$as_me:$LINENO: checking for _ldexpl declaration" >&5
-+echo $ECHO_N "checking for _ldexpl declaration... $ECHO_C" >&6
-+  if test x${glibcxx_cv_func__ldexpl_use+set} != xset; then
-+    if test "${glibcxx_cv_func__ldexpl_use+set}" = set; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+
-+
-+
-+      ac_ext=cc
-+ac_cpp='$CXXCPP $CPPFLAGS'
-+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
-+
-+      cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+#include <math.h>
-+int
-+main ()
-+{
-+ _ldexpl(0, 0);
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext
-+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-+  (eval $ac_compile) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_cxx_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest.$ac_objext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  glibcxx_cv_func__ldexpl_use=yes
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+glibcxx_cv_func__ldexpl_use=no
-+fi
-+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
-+      ac_ext=c
-+ac_cpp='$CPP $CPPFLAGS'
-+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_c_compiler_gnu
-+
-+
-+fi
-+
-+  fi
-+  echo "$as_me:$LINENO: result: $glibcxx_cv_func__ldexpl_use" >&5
-+echo "${ECHO_T}$glibcxx_cv_func__ldexpl_use" >&6
-+
-+    if test x$glibcxx_cv_func__ldexpl_use = x"yes"; then
-+
-+for ac_func in _ldexpl
-+do
-+as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh`
-+echo "$as_me:$LINENO: checking for $ac_func" >&5
-+echo $ECHO_N "checking for $ac_func... $ECHO_C" >&6
-+if eval "test \"\${$as_ac_var+set}\" = set"; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+  if test x$gcc_no_link = xyes; then
-+  { { echo "$as_me:$LINENO: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&5
-+echo "$as_me: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&2;}
-+   { (exit 1); exit 1; }; }
-+fi
-+cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+/* Define $ac_func to an innocuous variant, in case <limits.h> declares $ac_func.
-+   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
-+#define $ac_func innocuous_$ac_func
-+
-+/* System header to define __stub macros and hopefully few prototypes,
-+    which can conflict with char $ac_func (); below.
-+    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
-+    <limits.h> exists even on freestanding compilers.  */
-+
-+#ifdef __STDC__
-+# include <limits.h>
-+#else
-+# include <assert.h>
-+#endif
-+
-+#undef $ac_func
-+
-+/* Override any gcc2 internal prototype to avoid an error.  */
-+#ifdef __cplusplus
-+extern "C"
-+{
-+#endif
-+/* We use char because int might match the return type of a gcc2
-+   builtin and then its argument prototype would still apply.  */
-+char $ac_func ();
-+/* The GNU C library defines this for functions which it implements
-+    to always fail with ENOSYS.  Some functions are actually named
-+    something starting with __ and the normal name is an alias.  */
-+#if defined (__stub_$ac_func) || defined (__stub___$ac_func)
-+choke me
-+#else
-+char (*f) () = $ac_func;
-+#endif
-+#ifdef __cplusplus
-+}
-+#endif
-+
-+int
-+main ()
-+{
-+return f != $ac_func;
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext conftest$ac_exeext
-+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-+  (eval $ac_link) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_c_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest$ac_exeext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  eval "$as_ac_var=yes"
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+eval "$as_ac_var=no"
-+fi
-+rm -f conftest.err conftest.$ac_objext \
-+      conftest$ac_exeext conftest.$ac_ext
-+fi
-+echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_var'}'`" >&5
-+echo "${ECHO_T}`eval echo '${'$as_ac_var'}'`" >&6
-+if test `eval echo '${'$as_ac_var'}'` = yes; then
-+  cat >>confdefs.h <<_ACEOF
-+#define `echo "HAVE_$ac_func" | $as_tr_cpp` 1
-+_ACEOF
-+
-+fi
-+done
-+
-+    fi
-+  fi
-+
-+
-+
-+  echo "$as_me:$LINENO: checking for logl declaration" >&5
-+echo $ECHO_N "checking for logl declaration... $ECHO_C" >&6
-+  if test x${glibcxx_cv_func_logl_use+set} != xset; then
-+    if test "${glibcxx_cv_func_logl_use+set}" = set; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+
-+
-+
-+      ac_ext=cc
-+ac_cpp='$CXXCPP $CPPFLAGS'
-+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
-+
-+      cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+#include <math.h>
-+		      #ifdef HAVE_IEEEFP_H
-+		      #include <ieeefp.h>
-+		      #endif
-+
-+int
-+main ()
-+{
-+ logl(0);
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext
-+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-+  (eval $ac_compile) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_cxx_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest.$ac_objext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  glibcxx_cv_func_logl_use=yes
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+glibcxx_cv_func_logl_use=no
-+fi
-+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
-+      ac_ext=c
-+ac_cpp='$CPP $CPPFLAGS'
-+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_c_compiler_gnu
-+
-+
-+fi
-+
-+  fi
-+  echo "$as_me:$LINENO: result: $glibcxx_cv_func_logl_use" >&5
-+echo "${ECHO_T}$glibcxx_cv_func_logl_use" >&6
-+
-+  if test x$glibcxx_cv_func_logl_use = x"yes"; then
-+
-+for ac_func in logl
-+do
-+as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh`
-+echo "$as_me:$LINENO: checking for $ac_func" >&5
-+echo $ECHO_N "checking for $ac_func... $ECHO_C" >&6
-+if eval "test \"\${$as_ac_var+set}\" = set"; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+  if test x$gcc_no_link = xyes; then
-+  { { echo "$as_me:$LINENO: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&5
-+echo "$as_me: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&2;}
-+   { (exit 1); exit 1; }; }
-+fi
-+cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+/* Define $ac_func to an innocuous variant, in case <limits.h> declares $ac_func.
-+   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
-+#define $ac_func innocuous_$ac_func
-+
-+/* System header to define __stub macros and hopefully few prototypes,
-+    which can conflict with char $ac_func (); below.
-+    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
-+    <limits.h> exists even on freestanding compilers.  */
-+
-+#ifdef __STDC__
-+# include <limits.h>
-+#else
-+# include <assert.h>
-+#endif
-+
-+#undef $ac_func
-+
-+/* Override any gcc2 internal prototype to avoid an error.  */
-+#ifdef __cplusplus
-+extern "C"
-+{
-+#endif
-+/* We use char because int might match the return type of a gcc2
-+   builtin and then its argument prototype would still apply.  */
-+char $ac_func ();
-+/* The GNU C library defines this for functions which it implements
-+    to always fail with ENOSYS.  Some functions are actually named
-+    something starting with __ and the normal name is an alias.  */
-+#if defined (__stub_$ac_func) || defined (__stub___$ac_func)
-+choke me
-+#else
-+char (*f) () = $ac_func;
-+#endif
-+#ifdef __cplusplus
-+}
-+#endif
-+
-+int
-+main ()
-+{
-+return f != $ac_func;
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext conftest$ac_exeext
-+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-+  (eval $ac_link) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_c_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest$ac_exeext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  eval "$as_ac_var=yes"
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+eval "$as_ac_var=no"
-+fi
-+rm -f conftest.err conftest.$ac_objext \
-+      conftest$ac_exeext conftest.$ac_ext
-+fi
-+echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_var'}'`" >&5
-+echo "${ECHO_T}`eval echo '${'$as_ac_var'}'`" >&6
-+if test `eval echo '${'$as_ac_var'}'` = yes; then
-+  cat >>confdefs.h <<_ACEOF
-+#define `echo "HAVE_$ac_func" | $as_tr_cpp` 1
-+_ACEOF
-+
-+fi
-+done
-+
-+  else
-+
-+  echo "$as_me:$LINENO: checking for _logl declaration" >&5
-+echo $ECHO_N "checking for _logl declaration... $ECHO_C" >&6
-+  if test x${glibcxx_cv_func__logl_use+set} != xset; then
-+    if test "${glibcxx_cv_func__logl_use+set}" = set; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+
-+
-+
-+      ac_ext=cc
-+ac_cpp='$CXXCPP $CPPFLAGS'
-+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
-+
-+      cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+#include <math.h>
-+		      #ifdef HAVE_IEEEFP_H
-+		      #include <ieeefp.h>
-+		      #endif
-+
-+int
-+main ()
-+{
-+ _logl(0);
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext
-+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-+  (eval $ac_compile) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_cxx_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest.$ac_objext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  glibcxx_cv_func__logl_use=yes
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+glibcxx_cv_func__logl_use=no
-+fi
-+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
-+      ac_ext=c
-+ac_cpp='$CPP $CPPFLAGS'
-+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_c_compiler_gnu
-+
-+
-+fi
-+
-+  fi
-+  echo "$as_me:$LINENO: result: $glibcxx_cv_func__logl_use" >&5
-+echo "${ECHO_T}$glibcxx_cv_func__logl_use" >&6
-+
-+    if test x$glibcxx_cv_func__logl_use = x"yes"; then
-+
-+for ac_func in _logl
-+do
-+as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh`
-+echo "$as_me:$LINENO: checking for $ac_func" >&5
-+echo $ECHO_N "checking for $ac_func... $ECHO_C" >&6
-+if eval "test \"\${$as_ac_var+set}\" = set"; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+  if test x$gcc_no_link = xyes; then
-+  { { echo "$as_me:$LINENO: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&5
-+echo "$as_me: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&2;}
-+   { (exit 1); exit 1; }; }
-+fi
-+cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+/* Define $ac_func to an innocuous variant, in case <limits.h> declares $ac_func.
-+   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
-+#define $ac_func innocuous_$ac_func
-+
-+/* System header to define __stub macros and hopefully few prototypes,
-+    which can conflict with char $ac_func (); below.
-+    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
-+    <limits.h> exists even on freestanding compilers.  */
-+
-+#ifdef __STDC__
-+# include <limits.h>
-+#else
-+# include <assert.h>
-+#endif
-+
-+#undef $ac_func
-+
-+/* Override any gcc2 internal prototype to avoid an error.  */
-+#ifdef __cplusplus
-+extern "C"
-+{
-+#endif
-+/* We use char because int might match the return type of a gcc2
-+   builtin and then its argument prototype would still apply.  */
-+char $ac_func ();
-+/* The GNU C library defines this for functions which it implements
-+    to always fail with ENOSYS.  Some functions are actually named
-+    something starting with __ and the normal name is an alias.  */
-+#if defined (__stub_$ac_func) || defined (__stub___$ac_func)
-+choke me
-+#else
-+char (*f) () = $ac_func;
-+#endif
-+#ifdef __cplusplus
-+}
-+#endif
-+
-+int
-+main ()
-+{
-+return f != $ac_func;
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext conftest$ac_exeext
-+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-+  (eval $ac_link) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_c_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest$ac_exeext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  eval "$as_ac_var=yes"
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+eval "$as_ac_var=no"
-+fi
-+rm -f conftest.err conftest.$ac_objext \
-+      conftest$ac_exeext conftest.$ac_ext
-+fi
-+echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_var'}'`" >&5
-+echo "${ECHO_T}`eval echo '${'$as_ac_var'}'`" >&6
-+if test `eval echo '${'$as_ac_var'}'` = yes; then
-+  cat >>confdefs.h <<_ACEOF
-+#define `echo "HAVE_$ac_func" | $as_tr_cpp` 1
-+_ACEOF
-+
-+fi
-+done
-+
-+    fi
-+  fi
-+
-+
-+
-+  echo "$as_me:$LINENO: checking for log10l declaration" >&5
-+echo $ECHO_N "checking for log10l declaration... $ECHO_C" >&6
-+  if test x${glibcxx_cv_func_log10l_use+set} != xset; then
-+    if test "${glibcxx_cv_func_log10l_use+set}" = set; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+
-+
-+
-+      ac_ext=cc
-+ac_cpp='$CXXCPP $CPPFLAGS'
-+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
-+
-+      cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+#include <math.h>
-+		      #ifdef HAVE_IEEEFP_H
-+		      #include <ieeefp.h>
-+		      #endif
-+
-+int
-+main ()
-+{
-+ log10l(0);
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext
-+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-+  (eval $ac_compile) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_cxx_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest.$ac_objext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  glibcxx_cv_func_log10l_use=yes
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+glibcxx_cv_func_log10l_use=no
-+fi
-+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
-+      ac_ext=c
-+ac_cpp='$CPP $CPPFLAGS'
-+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_c_compiler_gnu
-+
-+
-+fi
-+
-+  fi
-+  echo "$as_me:$LINENO: result: $glibcxx_cv_func_log10l_use" >&5
-+echo "${ECHO_T}$glibcxx_cv_func_log10l_use" >&6
-+
-+  if test x$glibcxx_cv_func_log10l_use = x"yes"; then
-+
-+for ac_func in log10l
-+do
-+as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh`
-+echo "$as_me:$LINENO: checking for $ac_func" >&5
-+echo $ECHO_N "checking for $ac_func... $ECHO_C" >&6
-+if eval "test \"\${$as_ac_var+set}\" = set"; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+  if test x$gcc_no_link = xyes; then
-+  { { echo "$as_me:$LINENO: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&5
-+echo "$as_me: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&2;}
-+   { (exit 1); exit 1; }; }
-+fi
-+cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+/* Define $ac_func to an innocuous variant, in case <limits.h> declares $ac_func.
-+   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
-+#define $ac_func innocuous_$ac_func
-+
-+/* System header to define __stub macros and hopefully few prototypes,
-+    which can conflict with char $ac_func (); below.
-+    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
-+    <limits.h> exists even on freestanding compilers.  */
-+
-+#ifdef __STDC__
-+# include <limits.h>
-+#else
-+# include <assert.h>
-+#endif
-+
-+#undef $ac_func
-+
-+/* Override any gcc2 internal prototype to avoid an error.  */
-+#ifdef __cplusplus
-+extern "C"
-+{
-+#endif
-+/* We use char because int might match the return type of a gcc2
-+   builtin and then its argument prototype would still apply.  */
-+char $ac_func ();
-+/* The GNU C library defines this for functions which it implements
-+    to always fail with ENOSYS.  Some functions are actually named
-+    something starting with __ and the normal name is an alias.  */
-+#if defined (__stub_$ac_func) || defined (__stub___$ac_func)
-+choke me
-+#else
-+char (*f) () = $ac_func;
-+#endif
-+#ifdef __cplusplus
-+}
-+#endif
-+
-+int
-+main ()
-+{
-+return f != $ac_func;
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext conftest$ac_exeext
-+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-+  (eval $ac_link) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_c_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest$ac_exeext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  eval "$as_ac_var=yes"
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+eval "$as_ac_var=no"
-+fi
-+rm -f conftest.err conftest.$ac_objext \
-+      conftest$ac_exeext conftest.$ac_ext
-+fi
-+echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_var'}'`" >&5
-+echo "${ECHO_T}`eval echo '${'$as_ac_var'}'`" >&6
-+if test `eval echo '${'$as_ac_var'}'` = yes; then
-+  cat >>confdefs.h <<_ACEOF
-+#define `echo "HAVE_$ac_func" | $as_tr_cpp` 1
-+_ACEOF
-+
-+fi
-+done
-+
-+  else
-+
-+  echo "$as_me:$LINENO: checking for _log10l declaration" >&5
-+echo $ECHO_N "checking for _log10l declaration... $ECHO_C" >&6
-+  if test x${glibcxx_cv_func__log10l_use+set} != xset; then
-+    if test "${glibcxx_cv_func__log10l_use+set}" = set; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+
-+
-+
-+      ac_ext=cc
-+ac_cpp='$CXXCPP $CPPFLAGS'
-+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
-+
-+      cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+#include <math.h>
-+		      #ifdef HAVE_IEEEFP_H
-+		      #include <ieeefp.h>
-+		      #endif
-+
-+int
-+main ()
-+{
-+ _log10l(0);
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext
-+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-+  (eval $ac_compile) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_cxx_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest.$ac_objext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  glibcxx_cv_func__log10l_use=yes
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+glibcxx_cv_func__log10l_use=no
-+fi
-+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
-+      ac_ext=c
-+ac_cpp='$CPP $CPPFLAGS'
-+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_c_compiler_gnu
-+
-+
-+fi
-+
-+  fi
-+  echo "$as_me:$LINENO: result: $glibcxx_cv_func__log10l_use" >&5
-+echo "${ECHO_T}$glibcxx_cv_func__log10l_use" >&6
-+
-+    if test x$glibcxx_cv_func__log10l_use = x"yes"; then
-+
-+for ac_func in _log10l
-+do
-+as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh`
-+echo "$as_me:$LINENO: checking for $ac_func" >&5
-+echo $ECHO_N "checking for $ac_func... $ECHO_C" >&6
-+if eval "test \"\${$as_ac_var+set}\" = set"; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+  if test x$gcc_no_link = xyes; then
-+  { { echo "$as_me:$LINENO: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&5
-+echo "$as_me: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&2;}
-+   { (exit 1); exit 1; }; }
-+fi
-+cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+/* Define $ac_func to an innocuous variant, in case <limits.h> declares $ac_func.
-+   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
-+#define $ac_func innocuous_$ac_func
-+
-+/* System header to define __stub macros and hopefully few prototypes,
-+    which can conflict with char $ac_func (); below.
-+    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
-+    <limits.h> exists even on freestanding compilers.  */
-+
-+#ifdef __STDC__
-+# include <limits.h>
-+#else
-+# include <assert.h>
-+#endif
-+
-+#undef $ac_func
-+
-+/* Override any gcc2 internal prototype to avoid an error.  */
-+#ifdef __cplusplus
-+extern "C"
-+{
-+#endif
-+/* We use char because int might match the return type of a gcc2
-+   builtin and then its argument prototype would still apply.  */
-+char $ac_func ();
-+/* The GNU C library defines this for functions which it implements
-+    to always fail with ENOSYS.  Some functions are actually named
-+    something starting with __ and the normal name is an alias.  */
-+#if defined (__stub_$ac_func) || defined (__stub___$ac_func)
-+choke me
-+#else
-+char (*f) () = $ac_func;
-+#endif
-+#ifdef __cplusplus
-+}
-+#endif
-+
-+int
-+main ()
-+{
-+return f != $ac_func;
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext conftest$ac_exeext
-+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-+  (eval $ac_link) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_c_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest$ac_exeext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  eval "$as_ac_var=yes"
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+eval "$as_ac_var=no"
-+fi
-+rm -f conftest.err conftest.$ac_objext \
-+      conftest$ac_exeext conftest.$ac_ext
-+fi
-+echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_var'}'`" >&5
-+echo "${ECHO_T}`eval echo '${'$as_ac_var'}'`" >&6
-+if test `eval echo '${'$as_ac_var'}'` = yes; then
-+  cat >>confdefs.h <<_ACEOF
-+#define `echo "HAVE_$ac_func" | $as_tr_cpp` 1
-+_ACEOF
-+
-+fi
-+done
-+
-+    fi
-+  fi
-+
-+
-+
-+  echo "$as_me:$LINENO: checking for modfl declaration" >&5
-+echo $ECHO_N "checking for modfl declaration... $ECHO_C" >&6
-+  if test x${glibcxx_cv_func_modfl_use+set} != xset; then
-+    if test "${glibcxx_cv_func_modfl_use+set}" = set; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+
-+
-+
-+      ac_ext=cc
-+ac_cpp='$CXXCPP $CPPFLAGS'
-+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
-+
-+      cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+#include <math.h>
-+int
-+main ()
-+{
-+ modfl(0, 0);
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext
-+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-+  (eval $ac_compile) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_cxx_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest.$ac_objext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  glibcxx_cv_func_modfl_use=yes
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+glibcxx_cv_func_modfl_use=no
-+fi
-+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
-+      ac_ext=c
-+ac_cpp='$CPP $CPPFLAGS'
-+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_c_compiler_gnu
-+
-+
-+fi
-+
-+  fi
-+  echo "$as_me:$LINENO: result: $glibcxx_cv_func_modfl_use" >&5
-+echo "${ECHO_T}$glibcxx_cv_func_modfl_use" >&6
-+
-+  if test x$glibcxx_cv_func_modfl_use = x"yes"; then
-+
-+for ac_func in modfl
-+do
-+as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh`
-+echo "$as_me:$LINENO: checking for $ac_func" >&5
-+echo $ECHO_N "checking for $ac_func... $ECHO_C" >&6
-+if eval "test \"\${$as_ac_var+set}\" = set"; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+  if test x$gcc_no_link = xyes; then
-+  { { echo "$as_me:$LINENO: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&5
-+echo "$as_me: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&2;}
-+   { (exit 1); exit 1; }; }
-+fi
-+cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+/* Define $ac_func to an innocuous variant, in case <limits.h> declares $ac_func.
-+   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
-+#define $ac_func innocuous_$ac_func
-+
-+/* System header to define __stub macros and hopefully few prototypes,
-+    which can conflict with char $ac_func (); below.
-+    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
-+    <limits.h> exists even on freestanding compilers.  */
-+
-+#ifdef __STDC__
-+# include <limits.h>
-+#else
-+# include <assert.h>
-+#endif
-+
-+#undef $ac_func
-+
-+/* Override any gcc2 internal prototype to avoid an error.  */
-+#ifdef __cplusplus
-+extern "C"
-+{
-+#endif
-+/* We use char because int might match the return type of a gcc2
-+   builtin and then its argument prototype would still apply.  */
-+char $ac_func ();
-+/* The GNU C library defines this for functions which it implements
-+    to always fail with ENOSYS.  Some functions are actually named
-+    something starting with __ and the normal name is an alias.  */
-+#if defined (__stub_$ac_func) || defined (__stub___$ac_func)
-+choke me
-+#else
-+char (*f) () = $ac_func;
-+#endif
-+#ifdef __cplusplus
-+}
-+#endif
-+
-+int
-+main ()
-+{
-+return f != $ac_func;
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext conftest$ac_exeext
-+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-+  (eval $ac_link) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_c_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest$ac_exeext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  eval "$as_ac_var=yes"
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+eval "$as_ac_var=no"
-+fi
-+rm -f conftest.err conftest.$ac_objext \
-+      conftest$ac_exeext conftest.$ac_ext
-+fi
-+echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_var'}'`" >&5
-+echo "${ECHO_T}`eval echo '${'$as_ac_var'}'`" >&6
-+if test `eval echo '${'$as_ac_var'}'` = yes; then
-+  cat >>confdefs.h <<_ACEOF
-+#define `echo "HAVE_$ac_func" | $as_tr_cpp` 1
-+_ACEOF
-+
-+fi
-+done
-+
-+  else
-+
-+  echo "$as_me:$LINENO: checking for _modfl declaration" >&5
-+echo $ECHO_N "checking for _modfl declaration... $ECHO_C" >&6
-+  if test x${glibcxx_cv_func__modfl_use+set} != xset; then
-+    if test "${glibcxx_cv_func__modfl_use+set}" = set; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+
-+
-+
-+      ac_ext=cc
-+ac_cpp='$CXXCPP $CPPFLAGS'
-+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
-+
-+      cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+#include <math.h>
-+int
-+main ()
-+{
-+ _modfl(0, 0);
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext
-+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-+  (eval $ac_compile) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_cxx_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest.$ac_objext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  glibcxx_cv_func__modfl_use=yes
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+glibcxx_cv_func__modfl_use=no
-+fi
-+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
-+      ac_ext=c
-+ac_cpp='$CPP $CPPFLAGS'
-+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_c_compiler_gnu
-+
-+
-+fi
-+
-+  fi
-+  echo "$as_me:$LINENO: result: $glibcxx_cv_func__modfl_use" >&5
-+echo "${ECHO_T}$glibcxx_cv_func__modfl_use" >&6
-+
-+    if test x$glibcxx_cv_func__modfl_use = x"yes"; then
-+
-+for ac_func in _modfl
-+do
-+as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh`
-+echo "$as_me:$LINENO: checking for $ac_func" >&5
-+echo $ECHO_N "checking for $ac_func... $ECHO_C" >&6
-+if eval "test \"\${$as_ac_var+set}\" = set"; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+  if test x$gcc_no_link = xyes; then
-+  { { echo "$as_me:$LINENO: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&5
-+echo "$as_me: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&2;}
-+   { (exit 1); exit 1; }; }
-+fi
-+cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+/* Define $ac_func to an innocuous variant, in case <limits.h> declares $ac_func.
-+   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
-+#define $ac_func innocuous_$ac_func
-+
-+/* System header to define __stub macros and hopefully few prototypes,
-+    which can conflict with char $ac_func (); below.
-+    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
-+    <limits.h> exists even on freestanding compilers.  */
-+
-+#ifdef __STDC__
-+# include <limits.h>
-+#else
-+# include <assert.h>
-+#endif
-+
-+#undef $ac_func
-+
-+/* Override any gcc2 internal prototype to avoid an error.  */
-+#ifdef __cplusplus
-+extern "C"
-+{
-+#endif
-+/* We use char because int might match the return type of a gcc2
-+   builtin and then its argument prototype would still apply.  */
-+char $ac_func ();
-+/* The GNU C library defines this for functions which it implements
-+    to always fail with ENOSYS.  Some functions are actually named
-+    something starting with __ and the normal name is an alias.  */
-+#if defined (__stub_$ac_func) || defined (__stub___$ac_func)
-+choke me
-+#else
-+char (*f) () = $ac_func;
-+#endif
-+#ifdef __cplusplus
-+}
-+#endif
-+
-+int
-+main ()
-+{
-+return f != $ac_func;
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext conftest$ac_exeext
-+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-+  (eval $ac_link) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_c_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest$ac_exeext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  eval "$as_ac_var=yes"
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+eval "$as_ac_var=no"
-+fi
-+rm -f conftest.err conftest.$ac_objext \
-+      conftest$ac_exeext conftest.$ac_ext
-+fi
-+echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_var'}'`" >&5
-+echo "${ECHO_T}`eval echo '${'$as_ac_var'}'`" >&6
-+if test `eval echo '${'$as_ac_var'}'` = yes; then
-+  cat >>confdefs.h <<_ACEOF
-+#define `echo "HAVE_$ac_func" | $as_tr_cpp` 1
-+_ACEOF
-+
-+fi
-+done
-+
-+    fi
-+  fi
-+
-+
-+
-+  echo "$as_me:$LINENO: checking for powl declaration" >&5
-+echo $ECHO_N "checking for powl declaration... $ECHO_C" >&6
-+  if test x${glibcxx_cv_func_powl_use+set} != xset; then
-+    if test "${glibcxx_cv_func_powl_use+set}" = set; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+
-+
-+
-+      ac_ext=cc
-+ac_cpp='$CXXCPP $CPPFLAGS'
-+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
-+
-+      cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+#include <math.h>
-+int
-+main ()
-+{
-+ powl(0, 0);
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext
-+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-+  (eval $ac_compile) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_cxx_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest.$ac_objext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  glibcxx_cv_func_powl_use=yes
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+glibcxx_cv_func_powl_use=no
-+fi
-+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
-+      ac_ext=c
-+ac_cpp='$CPP $CPPFLAGS'
-+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_c_compiler_gnu
-+
-+
-+fi
-+
-+  fi
-+  echo "$as_me:$LINENO: result: $glibcxx_cv_func_powl_use" >&5
-+echo "${ECHO_T}$glibcxx_cv_func_powl_use" >&6
-+
-+  if test x$glibcxx_cv_func_powl_use = x"yes"; then
-+
-+for ac_func in powl
-+do
-+as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh`
-+echo "$as_me:$LINENO: checking for $ac_func" >&5
-+echo $ECHO_N "checking for $ac_func... $ECHO_C" >&6
-+if eval "test \"\${$as_ac_var+set}\" = set"; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+  if test x$gcc_no_link = xyes; then
-+  { { echo "$as_me:$LINENO: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&5
-+echo "$as_me: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&2;}
-+   { (exit 1); exit 1; }; }
-+fi
-+cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+/* Define $ac_func to an innocuous variant, in case <limits.h> declares $ac_func.
-+   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
-+#define $ac_func innocuous_$ac_func
-+
-+/* System header to define __stub macros and hopefully few prototypes,
-+    which can conflict with char $ac_func (); below.
-+    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
-+    <limits.h> exists even on freestanding compilers.  */
-+
-+#ifdef __STDC__
-+# include <limits.h>
-+#else
-+# include <assert.h>
-+#endif
-+
-+#undef $ac_func
-+
-+/* Override any gcc2 internal prototype to avoid an error.  */
-+#ifdef __cplusplus
-+extern "C"
-+{
-+#endif
-+/* We use char because int might match the return type of a gcc2
-+   builtin and then its argument prototype would still apply.  */
-+char $ac_func ();
-+/* The GNU C library defines this for functions which it implements
-+    to always fail with ENOSYS.  Some functions are actually named
-+    something starting with __ and the normal name is an alias.  */
-+#if defined (__stub_$ac_func) || defined (__stub___$ac_func)
-+choke me
-+#else
-+char (*f) () = $ac_func;
-+#endif
-+#ifdef __cplusplus
-+}
-+#endif
-+
-+int
-+main ()
-+{
-+return f != $ac_func;
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext conftest$ac_exeext
-+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-+  (eval $ac_link) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_c_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest$ac_exeext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  eval "$as_ac_var=yes"
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+eval "$as_ac_var=no"
-+fi
-+rm -f conftest.err conftest.$ac_objext \
-+      conftest$ac_exeext conftest.$ac_ext
-+fi
-+echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_var'}'`" >&5
-+echo "${ECHO_T}`eval echo '${'$as_ac_var'}'`" >&6
-+if test `eval echo '${'$as_ac_var'}'` = yes; then
-+  cat >>confdefs.h <<_ACEOF
-+#define `echo "HAVE_$ac_func" | $as_tr_cpp` 1
-+_ACEOF
-+
-+fi
-+done
-+
-+  else
-+
-+  echo "$as_me:$LINENO: checking for _powl declaration" >&5
-+echo $ECHO_N "checking for _powl declaration... $ECHO_C" >&6
-+  if test x${glibcxx_cv_func__powl_use+set} != xset; then
-+    if test "${glibcxx_cv_func__powl_use+set}" = set; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+
-+
-+
-+      ac_ext=cc
-+ac_cpp='$CXXCPP $CPPFLAGS'
-+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
-+
-+      cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+#include <math.h>
-+int
-+main ()
-+{
-+ _powl(0, 0);
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext
-+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-+  (eval $ac_compile) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_cxx_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest.$ac_objext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  glibcxx_cv_func__powl_use=yes
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+glibcxx_cv_func__powl_use=no
-+fi
-+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
-+      ac_ext=c
-+ac_cpp='$CPP $CPPFLAGS'
-+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_c_compiler_gnu
-+
-+
-+fi
-+
-+  fi
-+  echo "$as_me:$LINENO: result: $glibcxx_cv_func__powl_use" >&5
-+echo "${ECHO_T}$glibcxx_cv_func__powl_use" >&6
-+
-+    if test x$glibcxx_cv_func__powl_use = x"yes"; then
-+
-+for ac_func in _powl
-+do
-+as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh`
-+echo "$as_me:$LINENO: checking for $ac_func" >&5
-+echo $ECHO_N "checking for $ac_func... $ECHO_C" >&6
-+if eval "test \"\${$as_ac_var+set}\" = set"; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+  if test x$gcc_no_link = xyes; then
-+  { { echo "$as_me:$LINENO: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&5
-+echo "$as_me: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&2;}
-+   { (exit 1); exit 1; }; }
-+fi
-+cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+/* Define $ac_func to an innocuous variant, in case <limits.h> declares $ac_func.
-+   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
-+#define $ac_func innocuous_$ac_func
-+
-+/* System header to define __stub macros and hopefully few prototypes,
-+    which can conflict with char $ac_func (); below.
-+    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
-+    <limits.h> exists even on freestanding compilers.  */
-+
-+#ifdef __STDC__
-+# include <limits.h>
-+#else
-+# include <assert.h>
-+#endif
-+
-+#undef $ac_func
-+
-+/* Override any gcc2 internal prototype to avoid an error.  */
-+#ifdef __cplusplus
-+extern "C"
-+{
-+#endif
-+/* We use char because int might match the return type of a gcc2
-+   builtin and then its argument prototype would still apply.  */
-+char $ac_func ();
-+/* The GNU C library defines this for functions which it implements
-+    to always fail with ENOSYS.  Some functions are actually named
-+    something starting with __ and the normal name is an alias.  */
-+#if defined (__stub_$ac_func) || defined (__stub___$ac_func)
-+choke me
-+#else
-+char (*f) () = $ac_func;
-+#endif
-+#ifdef __cplusplus
-+}
-+#endif
-+
-+int
-+main ()
-+{
-+return f != $ac_func;
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext conftest$ac_exeext
-+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-+  (eval $ac_link) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_c_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest$ac_exeext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  eval "$as_ac_var=yes"
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+eval "$as_ac_var=no"
-+fi
-+rm -f conftest.err conftest.$ac_objext \
-+      conftest$ac_exeext conftest.$ac_ext
-+fi
-+echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_var'}'`" >&5
-+echo "${ECHO_T}`eval echo '${'$as_ac_var'}'`" >&6
-+if test `eval echo '${'$as_ac_var'}'` = yes; then
-+  cat >>confdefs.h <<_ACEOF
-+#define `echo "HAVE_$ac_func" | $as_tr_cpp` 1
-+_ACEOF
-+
-+fi
-+done
-+
-+    fi
-+  fi
-+
-+
-+
-+  echo "$as_me:$LINENO: checking for sqrtl declaration" >&5
-+echo $ECHO_N "checking for sqrtl declaration... $ECHO_C" >&6
-+  if test x${glibcxx_cv_func_sqrtl_use+set} != xset; then
-+    if test "${glibcxx_cv_func_sqrtl_use+set}" = set; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+
-+
-+
-+      ac_ext=cc
-+ac_cpp='$CXXCPP $CPPFLAGS'
-+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
-+
-+      cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+#include <math.h>
-+		      #ifdef HAVE_IEEEFP_H
-+		      #include <ieeefp.h>
-+		      #endif
-+
-+int
-+main ()
-+{
-+ sqrtl(0);
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext
-+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-+  (eval $ac_compile) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_cxx_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest.$ac_objext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  glibcxx_cv_func_sqrtl_use=yes
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+glibcxx_cv_func_sqrtl_use=no
-+fi
-+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
-+      ac_ext=c
-+ac_cpp='$CPP $CPPFLAGS'
-+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_c_compiler_gnu
-+
-+
-+fi
-+
-+  fi
-+  echo "$as_me:$LINENO: result: $glibcxx_cv_func_sqrtl_use" >&5
-+echo "${ECHO_T}$glibcxx_cv_func_sqrtl_use" >&6
-+
-+  if test x$glibcxx_cv_func_sqrtl_use = x"yes"; then
-+
-+for ac_func in sqrtl
-+do
-+as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh`
-+echo "$as_me:$LINENO: checking for $ac_func" >&5
-+echo $ECHO_N "checking for $ac_func... $ECHO_C" >&6
-+if eval "test \"\${$as_ac_var+set}\" = set"; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+  if test x$gcc_no_link = xyes; then
-+  { { echo "$as_me:$LINENO: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&5
-+echo "$as_me: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&2;}
-+   { (exit 1); exit 1; }; }
-+fi
-+cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+/* Define $ac_func to an innocuous variant, in case <limits.h> declares $ac_func.
-+   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
-+#define $ac_func innocuous_$ac_func
-+
-+/* System header to define __stub macros and hopefully few prototypes,
-+    which can conflict with char $ac_func (); below.
-+    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
-+    <limits.h> exists even on freestanding compilers.  */
-+
-+#ifdef __STDC__
-+# include <limits.h>
-+#else
-+# include <assert.h>
-+#endif
-+
-+#undef $ac_func
-+
-+/* Override any gcc2 internal prototype to avoid an error.  */
-+#ifdef __cplusplus
-+extern "C"
-+{
-+#endif
-+/* We use char because int might match the return type of a gcc2
-+   builtin and then its argument prototype would still apply.  */
-+char $ac_func ();
-+/* The GNU C library defines this for functions which it implements
-+    to always fail with ENOSYS.  Some functions are actually named
-+    something starting with __ and the normal name is an alias.  */
-+#if defined (__stub_$ac_func) || defined (__stub___$ac_func)
-+choke me
-+#else
-+char (*f) () = $ac_func;
-+#endif
-+#ifdef __cplusplus
-+}
-+#endif
-+
-+int
-+main ()
-+{
-+return f != $ac_func;
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext conftest$ac_exeext
-+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-+  (eval $ac_link) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_c_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest$ac_exeext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  eval "$as_ac_var=yes"
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+eval "$as_ac_var=no"
-+fi
-+rm -f conftest.err conftest.$ac_objext \
-+      conftest$ac_exeext conftest.$ac_ext
-+fi
-+echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_var'}'`" >&5
-+echo "${ECHO_T}`eval echo '${'$as_ac_var'}'`" >&6
-+if test `eval echo '${'$as_ac_var'}'` = yes; then
-+  cat >>confdefs.h <<_ACEOF
-+#define `echo "HAVE_$ac_func" | $as_tr_cpp` 1
-+_ACEOF
-+
-+fi
-+done
-+
-+  else
-+
-+  echo "$as_me:$LINENO: checking for _sqrtl declaration" >&5
-+echo $ECHO_N "checking for _sqrtl declaration... $ECHO_C" >&6
-+  if test x${glibcxx_cv_func__sqrtl_use+set} != xset; then
-+    if test "${glibcxx_cv_func__sqrtl_use+set}" = set; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+
-+
-+
-+      ac_ext=cc
-+ac_cpp='$CXXCPP $CPPFLAGS'
-+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
-+
-+      cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+#include <math.h>
-+		      #ifdef HAVE_IEEEFP_H
-+		      #include <ieeefp.h>
-+		      #endif
-+
-+int
-+main ()
-+{
-+ _sqrtl(0);
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext
-+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-+  (eval $ac_compile) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_cxx_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest.$ac_objext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  glibcxx_cv_func__sqrtl_use=yes
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+glibcxx_cv_func__sqrtl_use=no
-+fi
-+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
-+      ac_ext=c
-+ac_cpp='$CPP $CPPFLAGS'
-+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_c_compiler_gnu
-+
-+
-+fi
-+
-+  fi
-+  echo "$as_me:$LINENO: result: $glibcxx_cv_func__sqrtl_use" >&5
-+echo "${ECHO_T}$glibcxx_cv_func__sqrtl_use" >&6
-+
-+    if test x$glibcxx_cv_func__sqrtl_use = x"yes"; then
-+
-+for ac_func in _sqrtl
-+do
-+as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh`
-+echo "$as_me:$LINENO: checking for $ac_func" >&5
-+echo $ECHO_N "checking for $ac_func... $ECHO_C" >&6
-+if eval "test \"\${$as_ac_var+set}\" = set"; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+  if test x$gcc_no_link = xyes; then
-+  { { echo "$as_me:$LINENO: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&5
-+echo "$as_me: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&2;}
-+   { (exit 1); exit 1; }; }
-+fi
-+cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+/* Define $ac_func to an innocuous variant, in case <limits.h> declares $ac_func.
-+   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
-+#define $ac_func innocuous_$ac_func
-+
-+/* System header to define __stub macros and hopefully few prototypes,
-+    which can conflict with char $ac_func (); below.
-+    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
-+    <limits.h> exists even on freestanding compilers.  */
-+
-+#ifdef __STDC__
-+# include <limits.h>
-+#else
-+# include <assert.h>
-+#endif
-+
-+#undef $ac_func
-+
-+/* Override any gcc2 internal prototype to avoid an error.  */
-+#ifdef __cplusplus
-+extern "C"
-+{
-+#endif
-+/* We use char because int might match the return type of a gcc2
-+   builtin and then its argument prototype would still apply.  */
-+char $ac_func ();
-+/* The GNU C library defines this for functions which it implements
-+    to always fail with ENOSYS.  Some functions are actually named
-+    something starting with __ and the normal name is an alias.  */
-+#if defined (__stub_$ac_func) || defined (__stub___$ac_func)
-+choke me
-+#else
-+char (*f) () = $ac_func;
-+#endif
-+#ifdef __cplusplus
-+}
-+#endif
-+
-+int
-+main ()
-+{
-+return f != $ac_func;
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext conftest$ac_exeext
-+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-+  (eval $ac_link) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_c_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest$ac_exeext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  eval "$as_ac_var=yes"
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+eval "$as_ac_var=no"
-+fi
-+rm -f conftest.err conftest.$ac_objext \
-+      conftest$ac_exeext conftest.$ac_ext
-+fi
-+echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_var'}'`" >&5
-+echo "${ECHO_T}`eval echo '${'$as_ac_var'}'`" >&6
-+if test `eval echo '${'$as_ac_var'}'` = yes; then
-+  cat >>confdefs.h <<_ACEOF
-+#define `echo "HAVE_$ac_func" | $as_tr_cpp` 1
-+_ACEOF
-+
-+fi
-+done
-+
-+    fi
-+  fi
-+
-+
-+
-+  echo "$as_me:$LINENO: checking for sincosl declaration" >&5
-+echo $ECHO_N "checking for sincosl declaration... $ECHO_C" >&6
-+  if test x${glibcxx_cv_func_sincosl_use+set} != xset; then
-+    if test "${glibcxx_cv_func_sincosl_use+set}" = set; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+
-+
-+
-+      ac_ext=cc
-+ac_cpp='$CXXCPP $CPPFLAGS'
-+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
-+
-+      cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+#include <math.h>
-+int
-+main ()
-+{
-+ sincosl(0, 0, 0);
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext
-+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-+  (eval $ac_compile) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_cxx_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest.$ac_objext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  glibcxx_cv_func_sincosl_use=yes
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+glibcxx_cv_func_sincosl_use=no
-+fi
-+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
-+      ac_ext=c
-+ac_cpp='$CPP $CPPFLAGS'
-+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_c_compiler_gnu
-+
-+
-+fi
-+
-+  fi
-+  echo "$as_me:$LINENO: result: $glibcxx_cv_func_sincosl_use" >&5
-+echo "${ECHO_T}$glibcxx_cv_func_sincosl_use" >&6
-+
-+  if test x$glibcxx_cv_func_sincosl_use = x"yes"; then
-+
-+for ac_func in sincosl
-+do
-+as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh`
-+echo "$as_me:$LINENO: checking for $ac_func" >&5
-+echo $ECHO_N "checking for $ac_func... $ECHO_C" >&6
-+if eval "test \"\${$as_ac_var+set}\" = set"; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+  if test x$gcc_no_link = xyes; then
-+  { { echo "$as_me:$LINENO: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&5
-+echo "$as_me: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&2;}
-+   { (exit 1); exit 1; }; }
-+fi
-+cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+/* Define $ac_func to an innocuous variant, in case <limits.h> declares $ac_func.
-+   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
-+#define $ac_func innocuous_$ac_func
-+
-+/* System header to define __stub macros and hopefully few prototypes,
-+    which can conflict with char $ac_func (); below.
-+    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
-+    <limits.h> exists even on freestanding compilers.  */
-+
-+#ifdef __STDC__
-+# include <limits.h>
-+#else
-+# include <assert.h>
-+#endif
-+
-+#undef $ac_func
-+
-+/* Override any gcc2 internal prototype to avoid an error.  */
-+#ifdef __cplusplus
-+extern "C"
-+{
-+#endif
-+/* We use char because int might match the return type of a gcc2
-+   builtin and then its argument prototype would still apply.  */
-+char $ac_func ();
-+/* The GNU C library defines this for functions which it implements
-+    to always fail with ENOSYS.  Some functions are actually named
-+    something starting with __ and the normal name is an alias.  */
-+#if defined (__stub_$ac_func) || defined (__stub___$ac_func)
-+choke me
-+#else
-+char (*f) () = $ac_func;
-+#endif
-+#ifdef __cplusplus
-+}
-+#endif
-+
-+int
-+main ()
-+{
-+return f != $ac_func;
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext conftest$ac_exeext
-+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-+  (eval $ac_link) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_c_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest$ac_exeext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  eval "$as_ac_var=yes"
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+eval "$as_ac_var=no"
-+fi
-+rm -f conftest.err conftest.$ac_objext \
-+      conftest$ac_exeext conftest.$ac_ext
-+fi
-+echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_var'}'`" >&5
-+echo "${ECHO_T}`eval echo '${'$as_ac_var'}'`" >&6
-+if test `eval echo '${'$as_ac_var'}'` = yes; then
-+  cat >>confdefs.h <<_ACEOF
-+#define `echo "HAVE_$ac_func" | $as_tr_cpp` 1
-+_ACEOF
-+
-+fi
-+done
-+
-+  else
-+
-+  echo "$as_me:$LINENO: checking for _sincosl declaration" >&5
-+echo $ECHO_N "checking for _sincosl declaration... $ECHO_C" >&6
-+  if test x${glibcxx_cv_func__sincosl_use+set} != xset; then
-+    if test "${glibcxx_cv_func__sincosl_use+set}" = set; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+
-+
-+
-+      ac_ext=cc
-+ac_cpp='$CXXCPP $CPPFLAGS'
-+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
-+
-+      cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+#include <math.h>
-+int
-+main ()
-+{
-+ _sincosl(0, 0, 0);
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext
-+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-+  (eval $ac_compile) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_cxx_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest.$ac_objext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  glibcxx_cv_func__sincosl_use=yes
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+glibcxx_cv_func__sincosl_use=no
-+fi
-+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
-+      ac_ext=c
-+ac_cpp='$CPP $CPPFLAGS'
-+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_c_compiler_gnu
-+
-+
-+fi
-+
-+  fi
-+  echo "$as_me:$LINENO: result: $glibcxx_cv_func__sincosl_use" >&5
-+echo "${ECHO_T}$glibcxx_cv_func__sincosl_use" >&6
-+
-+    if test x$glibcxx_cv_func__sincosl_use = x"yes"; then
-+
-+for ac_func in _sincosl
-+do
-+as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh`
-+echo "$as_me:$LINENO: checking for $ac_func" >&5
-+echo $ECHO_N "checking for $ac_func... $ECHO_C" >&6
-+if eval "test \"\${$as_ac_var+set}\" = set"; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+  if test x$gcc_no_link = xyes; then
-+  { { echo "$as_me:$LINENO: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&5
-+echo "$as_me: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&2;}
-+   { (exit 1); exit 1; }; }
-+fi
-+cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+/* Define $ac_func to an innocuous variant, in case <limits.h> declares $ac_func.
-+   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
-+#define $ac_func innocuous_$ac_func
-+
-+/* System header to define __stub macros and hopefully few prototypes,
-+    which can conflict with char $ac_func (); below.
-+    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
-+    <limits.h> exists even on freestanding compilers.  */
-+
-+#ifdef __STDC__
-+# include <limits.h>
-+#else
-+# include <assert.h>
-+#endif
-+
-+#undef $ac_func
-+
-+/* Override any gcc2 internal prototype to avoid an error.  */
-+#ifdef __cplusplus
-+extern "C"
-+{
-+#endif
-+/* We use char because int might match the return type of a gcc2
-+   builtin and then its argument prototype would still apply.  */
-+char $ac_func ();
-+/* The GNU C library defines this for functions which it implements
-+    to always fail with ENOSYS.  Some functions are actually named
-+    something starting with __ and the normal name is an alias.  */
-+#if defined (__stub_$ac_func) || defined (__stub___$ac_func)
-+choke me
-+#else
-+char (*f) () = $ac_func;
-+#endif
-+#ifdef __cplusplus
-+}
-+#endif
-+
-+int
-+main ()
-+{
-+return f != $ac_func;
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext conftest$ac_exeext
-+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-+  (eval $ac_link) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_c_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest$ac_exeext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  eval "$as_ac_var=yes"
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+eval "$as_ac_var=no"
-+fi
-+rm -f conftest.err conftest.$ac_objext \
-+      conftest$ac_exeext conftest.$ac_ext
-+fi
-+echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_var'}'`" >&5
-+echo "${ECHO_T}`eval echo '${'$as_ac_var'}'`" >&6
-+if test `eval echo '${'$as_ac_var'}'` = yes; then
-+  cat >>confdefs.h <<_ACEOF
-+#define `echo "HAVE_$ac_func" | $as_tr_cpp` 1
-+_ACEOF
-+
-+fi
-+done
-+
-+    fi
-+  fi
-+
-+
-+
-+  echo "$as_me:$LINENO: checking for finitel declaration" >&5
-+echo $ECHO_N "checking for finitel declaration... $ECHO_C" >&6
-+  if test x${glibcxx_cv_func_finitel_use+set} != xset; then
-+    if test "${glibcxx_cv_func_finitel_use+set}" = set; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+
-+
-+
-+      ac_ext=cc
-+ac_cpp='$CXXCPP $CPPFLAGS'
-+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
-+
-+      cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+#include <math.h>
-+		      #ifdef HAVE_IEEEFP_H
-+		      #include <ieeefp.h>
-+		      #endif
-+
-+int
-+main ()
-+{
-+ finitel(0);
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext
-+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-+  (eval $ac_compile) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_cxx_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest.$ac_objext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  glibcxx_cv_func_finitel_use=yes
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+glibcxx_cv_func_finitel_use=no
-+fi
-+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
-+      ac_ext=c
-+ac_cpp='$CPP $CPPFLAGS'
-+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_c_compiler_gnu
-+
-+
-+fi
-+
-+  fi
-+  echo "$as_me:$LINENO: result: $glibcxx_cv_func_finitel_use" >&5
-+echo "${ECHO_T}$glibcxx_cv_func_finitel_use" >&6
-+
-+  if test x$glibcxx_cv_func_finitel_use = x"yes"; then
-+
-+for ac_func in finitel
-+do
-+as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh`
-+echo "$as_me:$LINENO: checking for $ac_func" >&5
-+echo $ECHO_N "checking for $ac_func... $ECHO_C" >&6
-+if eval "test \"\${$as_ac_var+set}\" = set"; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+  if test x$gcc_no_link = xyes; then
-+  { { echo "$as_me:$LINENO: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&5
-+echo "$as_me: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&2;}
-+   { (exit 1); exit 1; }; }
-+fi
-+cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+/* Define $ac_func to an innocuous variant, in case <limits.h> declares $ac_func.
-+   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
-+#define $ac_func innocuous_$ac_func
-+
-+/* System header to define __stub macros and hopefully few prototypes,
-+    which can conflict with char $ac_func (); below.
-+    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
-+    <limits.h> exists even on freestanding compilers.  */
-+
-+#ifdef __STDC__
-+# include <limits.h>
-+#else
-+# include <assert.h>
-+#endif
-+
-+#undef $ac_func
-+
-+/* Override any gcc2 internal prototype to avoid an error.  */
-+#ifdef __cplusplus
-+extern "C"
-+{
-+#endif
-+/* We use char because int might match the return type of a gcc2
-+   builtin and then its argument prototype would still apply.  */
-+char $ac_func ();
-+/* The GNU C library defines this for functions which it implements
-+    to always fail with ENOSYS.  Some functions are actually named
-+    something starting with __ and the normal name is an alias.  */
-+#if defined (__stub_$ac_func) || defined (__stub___$ac_func)
-+choke me
-+#else
-+char (*f) () = $ac_func;
-+#endif
-+#ifdef __cplusplus
-+}
-+#endif
-+
-+int
-+main ()
-+{
-+return f != $ac_func;
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext conftest$ac_exeext
-+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-+  (eval $ac_link) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_c_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest$ac_exeext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  eval "$as_ac_var=yes"
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+eval "$as_ac_var=no"
-+fi
-+rm -f conftest.err conftest.$ac_objext \
-+      conftest$ac_exeext conftest.$ac_ext
-+fi
-+echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_var'}'`" >&5
-+echo "${ECHO_T}`eval echo '${'$as_ac_var'}'`" >&6
-+if test `eval echo '${'$as_ac_var'}'` = yes; then
-+  cat >>confdefs.h <<_ACEOF
-+#define `echo "HAVE_$ac_func" | $as_tr_cpp` 1
-+_ACEOF
-+
-+fi
-+done
-+
-+  else
-+
-+  echo "$as_me:$LINENO: checking for _finitel declaration" >&5
-+echo $ECHO_N "checking for _finitel declaration... $ECHO_C" >&6
-+  if test x${glibcxx_cv_func__finitel_use+set} != xset; then
-+    if test "${glibcxx_cv_func__finitel_use+set}" = set; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+
-+
-+
-+      ac_ext=cc
-+ac_cpp='$CXXCPP $CPPFLAGS'
-+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
-+
-+      cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+#include <math.h>
-+		      #ifdef HAVE_IEEEFP_H
-+		      #include <ieeefp.h>
-+		      #endif
-+
-+int
-+main ()
-+{
-+ _finitel(0);
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext
-+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-+  (eval $ac_compile) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_cxx_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest.$ac_objext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  glibcxx_cv_func__finitel_use=yes
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+glibcxx_cv_func__finitel_use=no
-+fi
-+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
-+      ac_ext=c
-+ac_cpp='$CPP $CPPFLAGS'
-+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_c_compiler_gnu
-+
-+
-+fi
-+
-+  fi
-+  echo "$as_me:$LINENO: result: $glibcxx_cv_func__finitel_use" >&5
-+echo "${ECHO_T}$glibcxx_cv_func__finitel_use" >&6
-+
-+    if test x$glibcxx_cv_func__finitel_use = x"yes"; then
-+
-+for ac_func in _finitel
-+do
-+as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh`
-+echo "$as_me:$LINENO: checking for $ac_func" >&5
-+echo $ECHO_N "checking for $ac_func... $ECHO_C" >&6
-+if eval "test \"\${$as_ac_var+set}\" = set"; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+  if test x$gcc_no_link = xyes; then
-+  { { echo "$as_me:$LINENO: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&5
-+echo "$as_me: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&2;}
-+   { (exit 1); exit 1; }; }
-+fi
-+cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+/* Define $ac_func to an innocuous variant, in case <limits.h> declares $ac_func.
-+   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
-+#define $ac_func innocuous_$ac_func
-+
-+/* System header to define __stub macros and hopefully few prototypes,
-+    which can conflict with char $ac_func (); below.
-+    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
-+    <limits.h> exists even on freestanding compilers.  */
-+
-+#ifdef __STDC__
-+# include <limits.h>
-+#else
-+# include <assert.h>
-+#endif
-+
-+#undef $ac_func
-+
-+/* Override any gcc2 internal prototype to avoid an error.  */
-+#ifdef __cplusplus
-+extern "C"
-+{
-+#endif
-+/* We use char because int might match the return type of a gcc2
-+   builtin and then its argument prototype would still apply.  */
-+char $ac_func ();
-+/* The GNU C library defines this for functions which it implements
-+    to always fail with ENOSYS.  Some functions are actually named
-+    something starting with __ and the normal name is an alias.  */
-+#if defined (__stub_$ac_func) || defined (__stub___$ac_func)
-+choke me
-+#else
-+char (*f) () = $ac_func;
-+#endif
-+#ifdef __cplusplus
-+}
-+#endif
-+
-+int
-+main ()
-+{
-+return f != $ac_func;
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext conftest$ac_exeext
-+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-+  (eval $ac_link) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_c_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest$ac_exeext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  eval "$as_ac_var=yes"
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+eval "$as_ac_var=no"
-+fi
-+rm -f conftest.err conftest.$ac_objext \
-+      conftest$ac_exeext conftest.$ac_ext
-+fi
-+echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_var'}'`" >&5
-+echo "${ECHO_T}`eval echo '${'$as_ac_var'}'`" >&6
-+if test `eval echo '${'$as_ac_var'}'` = yes; then
-+  cat >>confdefs.h <<_ACEOF
-+#define `echo "HAVE_$ac_func" | $as_tr_cpp` 1
-+_ACEOF
-+
-+fi
-+done
-+
-+    fi
-+  fi
-+
-+
-+
-+
-+  echo "$as_me:$LINENO: checking for _float trig functions" >&5
-+echo $ECHO_N "checking for _float trig functions... $ECHO_C" >&6
-+  if test "${glibcxx_cv_func__float_trig_use+set}" = set; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+
-+
-+
-+    ac_ext=cc
-+ac_cpp='$CXXCPP $CPPFLAGS'
-+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
-+
-+    cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+#include <math.h>
-+int
-+main ()
-+{
-+ `for x in _acosf _asinf _atanf \
-+                                          _cosf _sinf _tanf \
-+                                          _coshf _sinhf _tanhf; do echo "$x (0);"; done`
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext
-+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-+  (eval $ac_compile) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_cxx_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest.$ac_objext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  glibcxx_cv_func__float_trig_use=yes
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+glibcxx_cv_func__float_trig_use=no
-+fi
-+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
-+    ac_ext=c
-+ac_cpp='$CPP $CPPFLAGS'
-+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_c_compiler_gnu
-+
-+fi
-+
-+  echo "$as_me:$LINENO: result: $glibcxx_cv_func__float_trig_use" >&5
-+echo "${ECHO_T}$glibcxx_cv_func__float_trig_use" >&6
-+  if test x$glibcxx_cv_func__float_trig_use = x"yes"; then
-+
-+
-+
-+
-+
-+
-+
-+
-+
-+for ac_func in _acosf _asinf _atanf \
-+                                          _cosf _sinf _tanf \
-+                                          _coshf _sinhf _tanhf
-+do
-+as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh`
-+echo "$as_me:$LINENO: checking for $ac_func" >&5
-+echo $ECHO_N "checking for $ac_func... $ECHO_C" >&6
-+if eval "test \"\${$as_ac_var+set}\" = set"; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+  if test x$gcc_no_link = xyes; then
-+  { { echo "$as_me:$LINENO: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&5
-+echo "$as_me: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&2;}
-+   { (exit 1); exit 1; }; }
-+fi
-+cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+/* Define $ac_func to an innocuous variant, in case <limits.h> declares $ac_func.
-+   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
-+#define $ac_func innocuous_$ac_func
-+
-+/* System header to define __stub macros and hopefully few prototypes,
-+    which can conflict with char $ac_func (); below.
-+    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
-+    <limits.h> exists even on freestanding compilers.  */
-+
-+#ifdef __STDC__
-+# include <limits.h>
-+#else
-+# include <assert.h>
-+#endif
-+
-+#undef $ac_func
-+
-+/* Override any gcc2 internal prototype to avoid an error.  */
-+#ifdef __cplusplus
-+extern "C"
-+{
-+#endif
-+/* We use char because int might match the return type of a gcc2
-+   builtin and then its argument prototype would still apply.  */
-+char $ac_func ();
-+/* The GNU C library defines this for functions which it implements
-+    to always fail with ENOSYS.  Some functions are actually named
-+    something starting with __ and the normal name is an alias.  */
-+#if defined (__stub_$ac_func) || defined (__stub___$ac_func)
-+choke me
-+#else
-+char (*f) () = $ac_func;
-+#endif
-+#ifdef __cplusplus
-+}
-+#endif
-+
-+int
-+main ()
-+{
-+return f != $ac_func;
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext conftest$ac_exeext
-+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-+  (eval $ac_link) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_c_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest$ac_exeext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  eval "$as_ac_var=yes"
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+eval "$as_ac_var=no"
-+fi
-+rm -f conftest.err conftest.$ac_objext \
-+      conftest$ac_exeext conftest.$ac_ext
-+fi
-+echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_var'}'`" >&5
-+echo "${ECHO_T}`eval echo '${'$as_ac_var'}'`" >&6
-+if test `eval echo '${'$as_ac_var'}'` = yes; then
-+  cat >>confdefs.h <<_ACEOF
-+#define `echo "HAVE_$ac_func" | $as_tr_cpp` 1
-+_ACEOF
-+
-+fi
-+done
-+
-+  fi
-+
-+
-+  echo "$as_me:$LINENO: checking for _float round functions" >&5
-+echo $ECHO_N "checking for _float round functions... $ECHO_C" >&6
-+  if test "${glibcxx_cv_func__float_round_use+set}" = set; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+
-+
-+
-+    ac_ext=cc
-+ac_cpp='$CXXCPP $CPPFLAGS'
-+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
-+
-+    cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+#include <math.h>
-+int
-+main ()
-+{
-+ `for x in _ceilf _floorf; do echo "$x (0);"; done`
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext
-+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-+  (eval $ac_compile) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_cxx_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest.$ac_objext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  glibcxx_cv_func__float_round_use=yes
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+glibcxx_cv_func__float_round_use=no
-+fi
-+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
-+    ac_ext=c
-+ac_cpp='$CPP $CPPFLAGS'
-+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_c_compiler_gnu
-+
-+fi
-+
-+  echo "$as_me:$LINENO: result: $glibcxx_cv_func__float_round_use" >&5
-+echo "${ECHO_T}$glibcxx_cv_func__float_round_use" >&6
-+  if test x$glibcxx_cv_func__float_round_use = x"yes"; then
-+
-+
-+for ac_func in _ceilf _floorf
-+do
-+as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh`
-+echo "$as_me:$LINENO: checking for $ac_func" >&5
-+echo $ECHO_N "checking for $ac_func... $ECHO_C" >&6
-+if eval "test \"\${$as_ac_var+set}\" = set"; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+  if test x$gcc_no_link = xyes; then
-+  { { echo "$as_me:$LINENO: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&5
-+echo "$as_me: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&2;}
-+   { (exit 1); exit 1; }; }
-+fi
-+cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+/* Define $ac_func to an innocuous variant, in case <limits.h> declares $ac_func.
-+   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
-+#define $ac_func innocuous_$ac_func
-+
-+/* System header to define __stub macros and hopefully few prototypes,
-+    which can conflict with char $ac_func (); below.
-+    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
-+    <limits.h> exists even on freestanding compilers.  */
-+
-+#ifdef __STDC__
-+# include <limits.h>
-+#else
-+# include <assert.h>
-+#endif
-+
-+#undef $ac_func
-+
-+/* Override any gcc2 internal prototype to avoid an error.  */
-+#ifdef __cplusplus
-+extern "C"
-+{
-+#endif
-+/* We use char because int might match the return type of a gcc2
-+   builtin and then its argument prototype would still apply.  */
-+char $ac_func ();
-+/* The GNU C library defines this for functions which it implements
-+    to always fail with ENOSYS.  Some functions are actually named
-+    something starting with __ and the normal name is an alias.  */
-+#if defined (__stub_$ac_func) || defined (__stub___$ac_func)
-+choke me
-+#else
-+char (*f) () = $ac_func;
-+#endif
-+#ifdef __cplusplus
-+}
-+#endif
-+
-+int
-+main ()
-+{
-+return f != $ac_func;
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext conftest$ac_exeext
-+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-+  (eval $ac_link) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_c_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest$ac_exeext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  eval "$as_ac_var=yes"
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+eval "$as_ac_var=no"
-+fi
-+rm -f conftest.err conftest.$ac_objext \
-+      conftest$ac_exeext conftest.$ac_ext
-+fi
-+echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_var'}'`" >&5
-+echo "${ECHO_T}`eval echo '${'$as_ac_var'}'`" >&6
-+if test `eval echo '${'$as_ac_var'}'` = yes; then
-+  cat >>confdefs.h <<_ACEOF
-+#define `echo "HAVE_$ac_func" | $as_tr_cpp` 1
-+_ACEOF
-+
-+fi
-+done
-+
-+  fi
-+
-+
-+
-+  echo "$as_me:$LINENO: checking for _long double trig functions" >&5
-+echo $ECHO_N "checking for _long double trig functions... $ECHO_C" >&6
-+  if test "${glibcxx_cv_func__long_double_trig_use+set}" = set; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+
-+
-+
-+    ac_ext=cc
-+ac_cpp='$CXXCPP $CPPFLAGS'
-+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
-+
-+    cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+#include <math.h>
-+int
-+main ()
-+{
-+ `for x in _acosl _asinl _atanl \
-+                                          _cosl _sinl _tanl \
-+                                          _coshl _sinhl _tanhl; do echo "$x (0);"; done`
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext
-+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-+  (eval $ac_compile) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_cxx_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest.$ac_objext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  glibcxx_cv_func__long_double_trig_use=yes
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+glibcxx_cv_func__long_double_trig_use=no
-+fi
-+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
-+    ac_ext=c
-+ac_cpp='$CPP $CPPFLAGS'
-+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_c_compiler_gnu
-+
-+fi
-+
-+  echo "$as_me:$LINENO: result: $glibcxx_cv_func__long_double_trig_use" >&5
-+echo "${ECHO_T}$glibcxx_cv_func__long_double_trig_use" >&6
-+  if test x$glibcxx_cv_func__long_double_trig_use = x"yes"; then
-+
-+
-+
-+
-+
-+
-+
-+
-+
-+for ac_func in _acosl _asinl _atanl \
-+                                          _cosl _sinl _tanl \
-+                                          _coshl _sinhl _tanhl
-+do
-+as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh`
-+echo "$as_me:$LINENO: checking for $ac_func" >&5
-+echo $ECHO_N "checking for $ac_func... $ECHO_C" >&6
-+if eval "test \"\${$as_ac_var+set}\" = set"; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+  if test x$gcc_no_link = xyes; then
-+  { { echo "$as_me:$LINENO: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&5
-+echo "$as_me: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&2;}
-+   { (exit 1); exit 1; }; }
-+fi
-+cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+/* Define $ac_func to an innocuous variant, in case <limits.h> declares $ac_func.
-+   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
-+#define $ac_func innocuous_$ac_func
-+
-+/* System header to define __stub macros and hopefully few prototypes,
-+    which can conflict with char $ac_func (); below.
-+    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
-+    <limits.h> exists even on freestanding compilers.  */
-+
-+#ifdef __STDC__
-+# include <limits.h>
-+#else
-+# include <assert.h>
-+#endif
-+
-+#undef $ac_func
-+
-+/* Override any gcc2 internal prototype to avoid an error.  */
-+#ifdef __cplusplus
-+extern "C"
-+{
-+#endif
-+/* We use char because int might match the return type of a gcc2
-+   builtin and then its argument prototype would still apply.  */
-+char $ac_func ();
-+/* The GNU C library defines this for functions which it implements
-+    to always fail with ENOSYS.  Some functions are actually named
-+    something starting with __ and the normal name is an alias.  */
-+#if defined (__stub_$ac_func) || defined (__stub___$ac_func)
-+choke me
-+#else
-+char (*f) () = $ac_func;
-+#endif
-+#ifdef __cplusplus
-+}
-+#endif
-+
-+int
-+main ()
-+{
-+return f != $ac_func;
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext conftest$ac_exeext
-+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-+  (eval $ac_link) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_c_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest$ac_exeext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  eval "$as_ac_var=yes"
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+eval "$as_ac_var=no"
-+fi
-+rm -f conftest.err conftest.$ac_objext \
-+      conftest$ac_exeext conftest.$ac_ext
-+fi
-+echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_var'}'`" >&5
-+echo "${ECHO_T}`eval echo '${'$as_ac_var'}'`" >&6
-+if test `eval echo '${'$as_ac_var'}'` = yes; then
-+  cat >>confdefs.h <<_ACEOF
-+#define `echo "HAVE_$ac_func" | $as_tr_cpp` 1
-+_ACEOF
-+
-+fi
-+done
-+
-+  fi
-+
-+
-+  echo "$as_me:$LINENO: checking for _long double round functions" >&5
-+echo $ECHO_N "checking for _long double round functions... $ECHO_C" >&6
-+  if test "${glibcxx_cv_func__long_double_round_use+set}" = set; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+
-+
-+
-+    ac_ext=cc
-+ac_cpp='$CXXCPP $CPPFLAGS'
-+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
-+
-+    cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+#include <math.h>
-+int
-+main ()
-+{
-+ `for x in _ceill _floorl; do echo "$x (0);"; done`
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext
-+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-+  (eval $ac_compile) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_cxx_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest.$ac_objext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  glibcxx_cv_func__long_double_round_use=yes
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+glibcxx_cv_func__long_double_round_use=no
-+fi
-+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
-+    ac_ext=c
-+ac_cpp='$CPP $CPPFLAGS'
-+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_c_compiler_gnu
-+
-+fi
-+
-+  echo "$as_me:$LINENO: result: $glibcxx_cv_func__long_double_round_use" >&5
-+echo "${ECHO_T}$glibcxx_cv_func__long_double_round_use" >&6
-+  if test x$glibcxx_cv_func__long_double_round_use = x"yes"; then
-+
-+
-+for ac_func in _ceill _floorl
-+do
-+as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh`
-+echo "$as_me:$LINENO: checking for $ac_func" >&5
-+echo $ECHO_N "checking for $ac_func... $ECHO_C" >&6
-+if eval "test \"\${$as_ac_var+set}\" = set"; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+  if test x$gcc_no_link = xyes; then
-+  { { echo "$as_me:$LINENO: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&5
-+echo "$as_me: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&2;}
-+   { (exit 1); exit 1; }; }
-+fi
-+cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+/* Define $ac_func to an innocuous variant, in case <limits.h> declares $ac_func.
-+   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
-+#define $ac_func innocuous_$ac_func
-+
-+/* System header to define __stub macros and hopefully few prototypes,
-+    which can conflict with char $ac_func (); below.
-+    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
-+    <limits.h> exists even on freestanding compilers.  */
-+
-+#ifdef __STDC__
-+# include <limits.h>
-+#else
-+# include <assert.h>
-+#endif
-+
-+#undef $ac_func
-+
-+/* Override any gcc2 internal prototype to avoid an error.  */
-+#ifdef __cplusplus
-+extern "C"
-+{
-+#endif
-+/* We use char because int might match the return type of a gcc2
-+   builtin and then its argument prototype would still apply.  */
-+char $ac_func ();
-+/* The GNU C library defines this for functions which it implements
-+    to always fail with ENOSYS.  Some functions are actually named
-+    something starting with __ and the normal name is an alias.  */
-+#if defined (__stub_$ac_func) || defined (__stub___$ac_func)
-+choke me
-+#else
-+char (*f) () = $ac_func;
-+#endif
-+#ifdef __cplusplus
-+}
-+#endif
-+
-+int
-+main ()
-+{
-+return f != $ac_func;
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext conftest$ac_exeext
-+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-+  (eval $ac_link) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_c_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest$ac_exeext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  eval "$as_ac_var=yes"
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+eval "$as_ac_var=no"
-+fi
-+rm -f conftest.err conftest.$ac_objext \
-+      conftest$ac_exeext conftest.$ac_ext
-+fi
-+echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_var'}'`" >&5
-+echo "${ECHO_T}`eval echo '${'$as_ac_var'}'`" >&6
-+if test `eval echo '${'$as_ac_var'}'` = yes; then
-+  cat >>confdefs.h <<_ACEOF
-+#define `echo "HAVE_$ac_func" | $as_tr_cpp` 1
-+_ACEOF
-+
-+fi
-+done
-+
-+  fi
-+
-+
-+  LIBS="$ac_save_LIBS"
-+  CXXFLAGS="$ac_save_CXXFLAGS"
-+
-+
-+
-+  echo "$as_me:$LINENO: checking for __builtin_abs declaration" >&5
-+echo $ECHO_N "checking for __builtin_abs declaration... $ECHO_C" >&6
-+  if test x${glibcxx_cv_func___builtin_abs_use+set} != xset; then
-+    if test "${glibcxx_cv_func___builtin_abs_use+set}" = set; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+
-+
-+
-+      ac_ext=cc
-+ac_cpp='$CXXCPP $CPPFLAGS'
-+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
-+
-+      cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+#include <math.h>
-+int
-+main ()
-+{
-+ __builtin_abs(0);
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext
-+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-+  (eval $ac_compile) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_cxx_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest.$ac_objext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  glibcxx_cv_func___builtin_abs_use=yes
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+glibcxx_cv_func___builtin_abs_use=no
-+fi
-+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
-+      ac_ext=c
-+ac_cpp='$CPP $CPPFLAGS'
-+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_c_compiler_gnu
-+
-+
-+fi
-+
-+  fi
-+  echo "$as_me:$LINENO: result: $glibcxx_cv_func___builtin_abs_use" >&5
-+echo "${ECHO_T}$glibcxx_cv_func___builtin_abs_use" >&6
-+  if test x$glibcxx_cv_func___builtin_abs_use = x"yes"; then
-+    echo "$as_me:$LINENO: checking for __builtin_abs linkage" >&5
-+echo $ECHO_N "checking for __builtin_abs linkage... $ECHO_C" >&6
-+    if test x${glibcxx_cv_func___builtin_abs_link+set} != xset; then
-+      if test "${glibcxx_cv_func___builtin_abs_link+set}" = set; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+
-+        if test x$gcc_no_link = xyes; then
-+  { { echo "$as_me:$LINENO: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&5
-+echo "$as_me: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&2;}
-+   { (exit 1); exit 1; }; }
-+fi
-+cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+#include <math.h>
-+int
-+main ()
-+{
-+ __builtin_abs(0);
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext conftest$ac_exeext
-+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-+  (eval $ac_link) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_c_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest$ac_exeext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  glibcxx_cv_func___builtin_abs_link=yes
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+glibcxx_cv_func___builtin_abs_link=no
-+fi
-+rm -f conftest.err conftest.$ac_objext \
-+      conftest$ac_exeext conftest.$ac_ext
-+
-+fi
-+
-+    fi
-+    echo "$as_me:$LINENO: result: $glibcxx_cv_func___builtin_abs_link" >&5
-+echo "${ECHO_T}$glibcxx_cv_func___builtin_abs_link" >&6
-+    if test x$glibcxx_cv_func___builtin_abs_link = x"yes"; then
-+      ac_tr_func=HAVE_`echo __builtin_abs | tr 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'`
-+
-+cat >>confdefs.h <<_ACEOF
-+#define ${ac_tr_func} 1
-+_ACEOF
-+
-+    fi
-+  fi
-+
-+
-+  echo "$as_me:$LINENO: checking for __builtin_fabsf declaration" >&5
-+echo $ECHO_N "checking for __builtin_fabsf declaration... $ECHO_C" >&6
-+  if test x${glibcxx_cv_func___builtin_fabsf_use+set} != xset; then
-+    if test "${glibcxx_cv_func___builtin_fabsf_use+set}" = set; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+
-+
-+
-+      ac_ext=cc
-+ac_cpp='$CXXCPP $CPPFLAGS'
-+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
-+
-+      cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+#include <math.h>
-+int
-+main ()
-+{
-+ __builtin_fabsf(0);
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext
-+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-+  (eval $ac_compile) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_cxx_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest.$ac_objext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  glibcxx_cv_func___builtin_fabsf_use=yes
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+glibcxx_cv_func___builtin_fabsf_use=no
-+fi
-+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
-+      ac_ext=c
-+ac_cpp='$CPP $CPPFLAGS'
-+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_c_compiler_gnu
-+
-+
-+fi
-+
-+  fi
-+  echo "$as_me:$LINENO: result: $glibcxx_cv_func___builtin_fabsf_use" >&5
-+echo "${ECHO_T}$glibcxx_cv_func___builtin_fabsf_use" >&6
-+  if test x$glibcxx_cv_func___builtin_fabsf_use = x"yes"; then
-+    echo "$as_me:$LINENO: checking for __builtin_fabsf linkage" >&5
-+echo $ECHO_N "checking for __builtin_fabsf linkage... $ECHO_C" >&6
-+    if test x${glibcxx_cv_func___builtin_fabsf_link+set} != xset; then
-+      if test "${glibcxx_cv_func___builtin_fabsf_link+set}" = set; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+
-+        if test x$gcc_no_link = xyes; then
-+  { { echo "$as_me:$LINENO: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&5
-+echo "$as_me: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&2;}
-+   { (exit 1); exit 1; }; }
-+fi
-+cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+#include <math.h>
-+int
-+main ()
-+{
-+ __builtin_fabsf(0);
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext conftest$ac_exeext
-+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-+  (eval $ac_link) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_c_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest$ac_exeext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  glibcxx_cv_func___builtin_fabsf_link=yes
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+glibcxx_cv_func___builtin_fabsf_link=no
-+fi
-+rm -f conftest.err conftest.$ac_objext \
-+      conftest$ac_exeext conftest.$ac_ext
-+
-+fi
-+
-+    fi
-+    echo "$as_me:$LINENO: result: $glibcxx_cv_func___builtin_fabsf_link" >&5
-+echo "${ECHO_T}$glibcxx_cv_func___builtin_fabsf_link" >&6
-+    if test x$glibcxx_cv_func___builtin_fabsf_link = x"yes"; then
-+      ac_tr_func=HAVE_`echo __builtin_fabsf | tr 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'`
-+
-+cat >>confdefs.h <<_ACEOF
-+#define ${ac_tr_func} 1
-+_ACEOF
-+
-+    fi
-+  fi
-+
-+
-+  echo "$as_me:$LINENO: checking for __builtin_fabs declaration" >&5
-+echo $ECHO_N "checking for __builtin_fabs declaration... $ECHO_C" >&6
-+  if test x${glibcxx_cv_func___builtin_fabs_use+set} != xset; then
-+    if test "${glibcxx_cv_func___builtin_fabs_use+set}" = set; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+
-+
-+
-+      ac_ext=cc
-+ac_cpp='$CXXCPP $CPPFLAGS'
-+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
-+
-+      cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+#include <math.h>
-+int
-+main ()
-+{
-+ __builtin_fabs(0);
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext
-+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-+  (eval $ac_compile) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_cxx_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest.$ac_objext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  glibcxx_cv_func___builtin_fabs_use=yes
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+glibcxx_cv_func___builtin_fabs_use=no
-+fi
-+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
-+      ac_ext=c
-+ac_cpp='$CPP $CPPFLAGS'
-+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_c_compiler_gnu
-+
-+
-+fi
-+
-+  fi
-+  echo "$as_me:$LINENO: result: $glibcxx_cv_func___builtin_fabs_use" >&5
-+echo "${ECHO_T}$glibcxx_cv_func___builtin_fabs_use" >&6
-+  if test x$glibcxx_cv_func___builtin_fabs_use = x"yes"; then
-+    echo "$as_me:$LINENO: checking for __builtin_fabs linkage" >&5
-+echo $ECHO_N "checking for __builtin_fabs linkage... $ECHO_C" >&6
-+    if test x${glibcxx_cv_func___builtin_fabs_link+set} != xset; then
-+      if test "${glibcxx_cv_func___builtin_fabs_link+set}" = set; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+
-+        if test x$gcc_no_link = xyes; then
-+  { { echo "$as_me:$LINENO: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&5
-+echo "$as_me: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&2;}
-+   { (exit 1); exit 1; }; }
-+fi
-+cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+#include <math.h>
-+int
-+main ()
-+{
-+ __builtin_fabs(0);
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext conftest$ac_exeext
-+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-+  (eval $ac_link) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_c_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest$ac_exeext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  glibcxx_cv_func___builtin_fabs_link=yes
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+glibcxx_cv_func___builtin_fabs_link=no
-+fi
-+rm -f conftest.err conftest.$ac_objext \
-+      conftest$ac_exeext conftest.$ac_ext
-+
-+fi
-+
-+    fi
-+    echo "$as_me:$LINENO: result: $glibcxx_cv_func___builtin_fabs_link" >&5
-+echo "${ECHO_T}$glibcxx_cv_func___builtin_fabs_link" >&6
-+    if test x$glibcxx_cv_func___builtin_fabs_link = x"yes"; then
-+      ac_tr_func=HAVE_`echo __builtin_fabs | tr 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'`
-+
-+cat >>confdefs.h <<_ACEOF
-+#define ${ac_tr_func} 1
-+_ACEOF
-+
-+    fi
-+  fi
-+
-+
-+  echo "$as_me:$LINENO: checking for __builtin_fabsl declaration" >&5
-+echo $ECHO_N "checking for __builtin_fabsl declaration... $ECHO_C" >&6
-+  if test x${glibcxx_cv_func___builtin_fabsl_use+set} != xset; then
-+    if test "${glibcxx_cv_func___builtin_fabsl_use+set}" = set; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+
-+
-+
-+      ac_ext=cc
-+ac_cpp='$CXXCPP $CPPFLAGS'
-+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
-+
-+      cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+#include <math.h>
-+int
-+main ()
-+{
-+ __builtin_fabsl(0);
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext
-+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-+  (eval $ac_compile) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_cxx_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest.$ac_objext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  glibcxx_cv_func___builtin_fabsl_use=yes
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+glibcxx_cv_func___builtin_fabsl_use=no
-+fi
-+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
-+      ac_ext=c
-+ac_cpp='$CPP $CPPFLAGS'
-+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_c_compiler_gnu
-+
-+
-+fi
-+
-+  fi
-+  echo "$as_me:$LINENO: result: $glibcxx_cv_func___builtin_fabsl_use" >&5
-+echo "${ECHO_T}$glibcxx_cv_func___builtin_fabsl_use" >&6
-+  if test x$glibcxx_cv_func___builtin_fabsl_use = x"yes"; then
-+    echo "$as_me:$LINENO: checking for __builtin_fabsl linkage" >&5
-+echo $ECHO_N "checking for __builtin_fabsl linkage... $ECHO_C" >&6
-+    if test x${glibcxx_cv_func___builtin_fabsl_link+set} != xset; then
-+      if test "${glibcxx_cv_func___builtin_fabsl_link+set}" = set; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+
-+        if test x$gcc_no_link = xyes; then
-+  { { echo "$as_me:$LINENO: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&5
-+echo "$as_me: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&2;}
-+   { (exit 1); exit 1; }; }
-+fi
-+cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+#include <math.h>
-+int
-+main ()
-+{
-+ __builtin_fabsl(0);
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext conftest$ac_exeext
-+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-+  (eval $ac_link) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_c_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest$ac_exeext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  glibcxx_cv_func___builtin_fabsl_link=yes
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+glibcxx_cv_func___builtin_fabsl_link=no
-+fi
-+rm -f conftest.err conftest.$ac_objext \
-+      conftest$ac_exeext conftest.$ac_ext
-+
-+fi
-+
-+    fi
-+    echo "$as_me:$LINENO: result: $glibcxx_cv_func___builtin_fabsl_link" >&5
-+echo "${ECHO_T}$glibcxx_cv_func___builtin_fabsl_link" >&6
-+    if test x$glibcxx_cv_func___builtin_fabsl_link = x"yes"; then
-+      ac_tr_func=HAVE_`echo __builtin_fabsl | tr 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'`
-+
-+cat >>confdefs.h <<_ACEOF
-+#define ${ac_tr_func} 1
-+_ACEOF
-+
-+    fi
-+  fi
-+
-+
-+  echo "$as_me:$LINENO: checking for __builtin_labs declaration" >&5
-+echo $ECHO_N "checking for __builtin_labs declaration... $ECHO_C" >&6
-+  if test x${glibcxx_cv_func___builtin_labs_use+set} != xset; then
-+    if test "${glibcxx_cv_func___builtin_labs_use+set}" = set; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+
-+
-+
-+      ac_ext=cc
-+ac_cpp='$CXXCPP $CPPFLAGS'
-+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
-+
-+      cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+#include <math.h>
-+int
-+main ()
-+{
-+ __builtin_labs(0);
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext
-+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-+  (eval $ac_compile) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_cxx_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest.$ac_objext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  glibcxx_cv_func___builtin_labs_use=yes
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+glibcxx_cv_func___builtin_labs_use=no
-+fi
-+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
-+      ac_ext=c
-+ac_cpp='$CPP $CPPFLAGS'
-+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_c_compiler_gnu
-+
-+
-+fi
-+
-+  fi
-+  echo "$as_me:$LINENO: result: $glibcxx_cv_func___builtin_labs_use" >&5
-+echo "${ECHO_T}$glibcxx_cv_func___builtin_labs_use" >&6
-+  if test x$glibcxx_cv_func___builtin_labs_use = x"yes"; then
-+    echo "$as_me:$LINENO: checking for __builtin_labs linkage" >&5
-+echo $ECHO_N "checking for __builtin_labs linkage... $ECHO_C" >&6
-+    if test x${glibcxx_cv_func___builtin_labs_link+set} != xset; then
-+      if test "${glibcxx_cv_func___builtin_labs_link+set}" = set; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+
-+        if test x$gcc_no_link = xyes; then
-+  { { echo "$as_me:$LINENO: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&5
-+echo "$as_me: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&2;}
-+   { (exit 1); exit 1; }; }
-+fi
-+cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+#include <math.h>
-+int
-+main ()
-+{
-+ __builtin_labs(0);
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext conftest$ac_exeext
-+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-+  (eval $ac_link) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_c_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest$ac_exeext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  glibcxx_cv_func___builtin_labs_link=yes
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+glibcxx_cv_func___builtin_labs_link=no
-+fi
-+rm -f conftest.err conftest.$ac_objext \
-+      conftest$ac_exeext conftest.$ac_ext
-+
-+fi
-+
-+    fi
-+    echo "$as_me:$LINENO: result: $glibcxx_cv_func___builtin_labs_link" >&5
-+echo "${ECHO_T}$glibcxx_cv_func___builtin_labs_link" >&6
-+    if test x$glibcxx_cv_func___builtin_labs_link = x"yes"; then
-+      ac_tr_func=HAVE_`echo __builtin_labs | tr 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'`
-+
-+cat >>confdefs.h <<_ACEOF
-+#define ${ac_tr_func} 1
-+_ACEOF
-+
-+    fi
-+  fi
-+
-+
-+
-+  echo "$as_me:$LINENO: checking for __builtin_sqrtf declaration" >&5
-+echo $ECHO_N "checking for __builtin_sqrtf declaration... $ECHO_C" >&6
-+  if test x${glibcxx_cv_func___builtin_sqrtf_use+set} != xset; then
-+    if test "${glibcxx_cv_func___builtin_sqrtf_use+set}" = set; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+
-+
-+
-+      ac_ext=cc
-+ac_cpp='$CXXCPP $CPPFLAGS'
-+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
-+
-+      cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+#include <math.h>
-+int
-+main ()
-+{
-+ __builtin_sqrtf(0);
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext
-+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-+  (eval $ac_compile) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_cxx_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest.$ac_objext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  glibcxx_cv_func___builtin_sqrtf_use=yes
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+glibcxx_cv_func___builtin_sqrtf_use=no
-+fi
-+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
-+      ac_ext=c
-+ac_cpp='$CPP $CPPFLAGS'
-+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_c_compiler_gnu
-+
-+
-+fi
-+
-+  fi
-+  echo "$as_me:$LINENO: result: $glibcxx_cv_func___builtin_sqrtf_use" >&5
-+echo "${ECHO_T}$glibcxx_cv_func___builtin_sqrtf_use" >&6
-+  if test x$glibcxx_cv_func___builtin_sqrtf_use = x"yes"; then
-+    echo "$as_me:$LINENO: checking for __builtin_sqrtf linkage" >&5
-+echo $ECHO_N "checking for __builtin_sqrtf linkage... $ECHO_C" >&6
-+    if test x${glibcxx_cv_func___builtin_sqrtf_link+set} != xset; then
-+      if test "${glibcxx_cv_func___builtin_sqrtf_link+set}" = set; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+
-+        if test x$gcc_no_link = xyes; then
-+  { { echo "$as_me:$LINENO: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&5
-+echo "$as_me: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&2;}
-+   { (exit 1); exit 1; }; }
-+fi
-+cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+#include <math.h>
-+int
-+main ()
-+{
-+ __builtin_sqrtf(0);
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext conftest$ac_exeext
-+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-+  (eval $ac_link) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_c_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest$ac_exeext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  glibcxx_cv_func___builtin_sqrtf_link=yes
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+glibcxx_cv_func___builtin_sqrtf_link=no
-+fi
-+rm -f conftest.err conftest.$ac_objext \
-+      conftest$ac_exeext conftest.$ac_ext
-+
-+fi
-+
-+    fi
-+    echo "$as_me:$LINENO: result: $glibcxx_cv_func___builtin_sqrtf_link" >&5
-+echo "${ECHO_T}$glibcxx_cv_func___builtin_sqrtf_link" >&6
-+    if test x$glibcxx_cv_func___builtin_sqrtf_link = x"yes"; then
-+      ac_tr_func=HAVE_`echo __builtin_sqrtf | tr 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'`
-+
-+cat >>confdefs.h <<_ACEOF
-+#define ${ac_tr_func} 1
-+_ACEOF
-+
-+    fi
-+  fi
-+
-+
-+  echo "$as_me:$LINENO: checking for __builtin_sqrt declaration" >&5
-+echo $ECHO_N "checking for __builtin_sqrt declaration... $ECHO_C" >&6
-+  if test x${glibcxx_cv_func___builtin_sqrt_use+set} != xset; then
-+    if test "${glibcxx_cv_func___builtin_sqrt_use+set}" = set; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+
-+
-+
-+      ac_ext=cc
-+ac_cpp='$CXXCPP $CPPFLAGS'
-+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
-+
-+      cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+#include <math.h>
-+int
-+main ()
-+{
-+ __builtin_sqrt(0);
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext
-+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-+  (eval $ac_compile) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_cxx_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest.$ac_objext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  glibcxx_cv_func___builtin_sqrt_use=yes
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+glibcxx_cv_func___builtin_sqrt_use=no
-+fi
-+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
-+      ac_ext=c
-+ac_cpp='$CPP $CPPFLAGS'
-+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_c_compiler_gnu
-+
-+
-+fi
-+
-+  fi
-+  echo "$as_me:$LINENO: result: $glibcxx_cv_func___builtin_sqrt_use" >&5
-+echo "${ECHO_T}$glibcxx_cv_func___builtin_sqrt_use" >&6
-+  if test x$glibcxx_cv_func___builtin_sqrt_use = x"yes"; then
-+    echo "$as_me:$LINENO: checking for __builtin_sqrt linkage" >&5
-+echo $ECHO_N "checking for __builtin_sqrt linkage... $ECHO_C" >&6
-+    if test x${glibcxx_cv_func___builtin_sqrt_link+set} != xset; then
-+      if test "${glibcxx_cv_func___builtin_sqrt_link+set}" = set; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+
-+        if test x$gcc_no_link = xyes; then
-+  { { echo "$as_me:$LINENO: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&5
-+echo "$as_me: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&2;}
-+   { (exit 1); exit 1; }; }
-+fi
-+cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+#include <math.h>
-+int
-+main ()
-+{
-+ __builtin_sqrt(0);
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext conftest$ac_exeext
-+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-+  (eval $ac_link) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_c_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest$ac_exeext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  glibcxx_cv_func___builtin_sqrt_link=yes
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+glibcxx_cv_func___builtin_sqrt_link=no
-+fi
-+rm -f conftest.err conftest.$ac_objext \
-+      conftest$ac_exeext conftest.$ac_ext
-+
-+fi
-+
-+    fi
-+    echo "$as_me:$LINENO: result: $glibcxx_cv_func___builtin_sqrt_link" >&5
-+echo "${ECHO_T}$glibcxx_cv_func___builtin_sqrt_link" >&6
-+    if test x$glibcxx_cv_func___builtin_sqrt_link = x"yes"; then
-+      ac_tr_func=HAVE_`echo __builtin_sqrt | tr 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'`
-+
-+cat >>confdefs.h <<_ACEOF
-+#define ${ac_tr_func} 1
-+_ACEOF
-+
-+    fi
-+  fi
-+
-+
-+  echo "$as_me:$LINENO: checking for __builtin_sqrtl declaration" >&5
-+echo $ECHO_N "checking for __builtin_sqrtl declaration... $ECHO_C" >&6
-+  if test x${glibcxx_cv_func___builtin_sqrtl_use+set} != xset; then
-+    if test "${glibcxx_cv_func___builtin_sqrtl_use+set}" = set; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+
-+
-+
-+      ac_ext=cc
-+ac_cpp='$CXXCPP $CPPFLAGS'
-+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
-+
-+      cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+#include <math.h>
-+int
-+main ()
-+{
-+ __builtin_sqrtl(0);
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext
-+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-+  (eval $ac_compile) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_cxx_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest.$ac_objext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  glibcxx_cv_func___builtin_sqrtl_use=yes
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+glibcxx_cv_func___builtin_sqrtl_use=no
-+fi
-+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
-+      ac_ext=c
-+ac_cpp='$CPP $CPPFLAGS'
-+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_c_compiler_gnu
-+
-+
-+fi
-+
-+  fi
-+  echo "$as_me:$LINENO: result: $glibcxx_cv_func___builtin_sqrtl_use" >&5
-+echo "${ECHO_T}$glibcxx_cv_func___builtin_sqrtl_use" >&6
-+  if test x$glibcxx_cv_func___builtin_sqrtl_use = x"yes"; then
-+    echo "$as_me:$LINENO: checking for __builtin_sqrtl linkage" >&5
-+echo $ECHO_N "checking for __builtin_sqrtl linkage... $ECHO_C" >&6
-+    if test x${glibcxx_cv_func___builtin_sqrtl_link+set} != xset; then
-+      if test "${glibcxx_cv_func___builtin_sqrtl_link+set}" = set; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+
-+        if test x$gcc_no_link = xyes; then
-+  { { echo "$as_me:$LINENO: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&5
-+echo "$as_me: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&2;}
-+   { (exit 1); exit 1; }; }
-+fi
-+cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+#include <math.h>
-+int
-+main ()
-+{
-+ __builtin_sqrtl(0);
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext conftest$ac_exeext
-+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-+  (eval $ac_link) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_c_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest$ac_exeext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  glibcxx_cv_func___builtin_sqrtl_link=yes
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+glibcxx_cv_func___builtin_sqrtl_link=no
-+fi
-+rm -f conftest.err conftest.$ac_objext \
-+      conftest$ac_exeext conftest.$ac_ext
-+
-+fi
-+
-+    fi
-+    echo "$as_me:$LINENO: result: $glibcxx_cv_func___builtin_sqrtl_link" >&5
-+echo "${ECHO_T}$glibcxx_cv_func___builtin_sqrtl_link" >&6
-+    if test x$glibcxx_cv_func___builtin_sqrtl_link = x"yes"; then
-+      ac_tr_func=HAVE_`echo __builtin_sqrtl | tr 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'`
-+
-+cat >>confdefs.h <<_ACEOF
-+#define ${ac_tr_func} 1
-+_ACEOF
-+
-+    fi
-+  fi
-+
-+
-+
-+  echo "$as_me:$LINENO: checking for __builtin_sinf declaration" >&5
-+echo $ECHO_N "checking for __builtin_sinf declaration... $ECHO_C" >&6
-+  if test x${glibcxx_cv_func___builtin_sinf_use+set} != xset; then
-+    if test "${glibcxx_cv_func___builtin_sinf_use+set}" = set; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+
-+
-+
-+      ac_ext=cc
-+ac_cpp='$CXXCPP $CPPFLAGS'
-+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
-+
-+      cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+#include <math.h>
-+int
-+main ()
-+{
-+ __builtin_sinf(0);
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext
-+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-+  (eval $ac_compile) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_cxx_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest.$ac_objext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  glibcxx_cv_func___builtin_sinf_use=yes
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+glibcxx_cv_func___builtin_sinf_use=no
-+fi
-+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
-+      ac_ext=c
-+ac_cpp='$CPP $CPPFLAGS'
-+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_c_compiler_gnu
-+
-+
-+fi
-+
-+  fi
-+  echo "$as_me:$LINENO: result: $glibcxx_cv_func___builtin_sinf_use" >&5
-+echo "${ECHO_T}$glibcxx_cv_func___builtin_sinf_use" >&6
-+  if test x$glibcxx_cv_func___builtin_sinf_use = x"yes"; then
-+    echo "$as_me:$LINENO: checking for __builtin_sinf linkage" >&5
-+echo $ECHO_N "checking for __builtin_sinf linkage... $ECHO_C" >&6
-+    if test x${glibcxx_cv_func___builtin_sinf_link+set} != xset; then
-+      if test "${glibcxx_cv_func___builtin_sinf_link+set}" = set; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+
-+        if test x$gcc_no_link = xyes; then
-+  { { echo "$as_me:$LINENO: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&5
-+echo "$as_me: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&2;}
-+   { (exit 1); exit 1; }; }
-+fi
-+cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+#include <math.h>
-+int
-+main ()
-+{
-+ __builtin_sinf(0);
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext conftest$ac_exeext
-+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-+  (eval $ac_link) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_c_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest$ac_exeext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  glibcxx_cv_func___builtin_sinf_link=yes
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+glibcxx_cv_func___builtin_sinf_link=no
-+fi
-+rm -f conftest.err conftest.$ac_objext \
-+      conftest$ac_exeext conftest.$ac_ext
-+
-+fi
-+
-+    fi
-+    echo "$as_me:$LINENO: result: $glibcxx_cv_func___builtin_sinf_link" >&5
-+echo "${ECHO_T}$glibcxx_cv_func___builtin_sinf_link" >&6
-+    if test x$glibcxx_cv_func___builtin_sinf_link = x"yes"; then
-+      ac_tr_func=HAVE_`echo __builtin_sinf | tr 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'`
-+
-+cat >>confdefs.h <<_ACEOF
-+#define ${ac_tr_func} 1
-+_ACEOF
- 
--  # Used in libmath/Makefile.am.
--  if test -n "$LIBMATHOBJS"; then
--    need_libmath=yes
-   fi
-+  fi
-+
-+
-+  echo "$as_me:$LINENO: checking for __builtin_sin declaration" >&5
-+echo $ECHO_N "checking for __builtin_sin declaration... $ECHO_C" >&6
-+  if test x${glibcxx_cv_func___builtin_sin_use+set} != xset; then
-+    if test "${glibcxx_cv_func___builtin_sin_use+set}" = set; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
- 
- 
- 
--  # Test wchar.h for mbstate_t, which is needed for char_traits and
--  # others even if wchar_t support is not on.
--  echo "$as_me:$LINENO: checking for mbstate_t" >&5
--echo $ECHO_N "checking for mbstate_t... $ECHO_C" >&6
-+      ac_ext=cc
-+ac_cpp='$CXXCPP $CPPFLAGS'
-+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
-+
-   cat >conftest.$ac_ext <<_ACEOF
- /* confdefs.h.  */
- _ACEOF
- cat confdefs.h >>conftest.$ac_ext
- cat >>conftest.$ac_ext <<_ACEOF
- /* end confdefs.h.  */
--#include <wchar.h>
-+#include <math.h>
- int
- main ()
- {
--mbstate_t teststate;
-+ __builtin_sin(0);
-   ;
-   return 0;
- }
-@@ -82174,6 +99938,76 @@ if { (eval echo "$as_me:$LINENO: \"$ac_c
-   cat conftest.err >&5
-   echo "$as_me:$LINENO: \$? = $ac_status" >&5
-   (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_cxx_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest.$ac_objext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  glibcxx_cv_func___builtin_sin_use=yes
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+glibcxx_cv_func___builtin_sin_use=no
-+fi
-+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
-+      ac_ext=c
-+ac_cpp='$CPP $CPPFLAGS'
-+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_c_compiler_gnu
-+
-+
-+fi
-+
-+  fi
-+  echo "$as_me:$LINENO: result: $glibcxx_cv_func___builtin_sin_use" >&5
-+echo "${ECHO_T}$glibcxx_cv_func___builtin_sin_use" >&6
-+  if test x$glibcxx_cv_func___builtin_sin_use = x"yes"; then
-+    echo "$as_me:$LINENO: checking for __builtin_sin linkage" >&5
-+echo $ECHO_N "checking for __builtin_sin linkage... $ECHO_C" >&6
-+    if test x${glibcxx_cv_func___builtin_sin_link+set} != xset; then
-+      if test "${glibcxx_cv_func___builtin_sin_link+set}" = set; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+
-+        if test x$gcc_no_link = xyes; then
-+  { { echo "$as_me:$LINENO: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&5
-+echo "$as_me: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&2;}
-+   { (exit 1); exit 1; }; }
-+fi
-+cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+#include <math.h>
-+int
-+main ()
-+{
-+ __builtin_sin(0);
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext conftest$ac_exeext
-+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-+  (eval $ac_link) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
- 	 { ac_try='test -z "$ac_c_werror_flag"
- 			 || test ! -s conftest.err'
-   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-@@ -82181,54 +100015,364 @@ if { (eval echo "$as_me:$LINENO: \"$ac_c
-   ac_status=$?
-   echo "$as_me:$LINENO: \$? = $ac_status" >&5
-   (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest$ac_exeext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  glibcxx_cv_func___builtin_sin_link=yes
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+glibcxx_cv_func___builtin_sin_link=no
-+fi
-+rm -f conftest.err conftest.$ac_objext \
-+      conftest$ac_exeext conftest.$ac_ext
-+
-+fi
-+
-+    fi
-+    echo "$as_me:$LINENO: result: $glibcxx_cv_func___builtin_sin_link" >&5
-+echo "${ECHO_T}$glibcxx_cv_func___builtin_sin_link" >&6
-+    if test x$glibcxx_cv_func___builtin_sin_link = x"yes"; then
-+      ac_tr_func=HAVE_`echo __builtin_sin | tr 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'`
-+
-+cat >>confdefs.h <<_ACEOF
-+#define ${ac_tr_func} 1
-+_ACEOF
-+
-+    fi
-+  fi
-+
-+
-+  echo "$as_me:$LINENO: checking for __builtin_sinl declaration" >&5
-+echo $ECHO_N "checking for __builtin_sinl declaration... $ECHO_C" >&6
-+  if test x${glibcxx_cv_func___builtin_sinl_use+set} != xset; then
-+    if test "${glibcxx_cv_func___builtin_sinl_use+set}" = set; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+
-+
-+
-+      ac_ext=cc
-+ac_cpp='$CXXCPP $CPPFLAGS'
-+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
-+
-+      cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+#include <math.h>
-+int
-+main ()
-+{
-+ __builtin_sinl(0);
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext
-+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-+  (eval $ac_compile) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_cxx_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
- 	 { ac_try='test -s conftest.$ac_objext'
-   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-   (eval $ac_try) 2>&5
-   ac_status=$?
-   echo "$as_me:$LINENO: \$? = $ac_status" >&5
-   (exit $ac_status); }; }; then
--  have_mbstate_t=yes
-+  glibcxx_cv_func___builtin_sinl_use=yes
- else
-   echo "$as_me: failed program was:" >&5
- sed 's/^/| /' conftest.$ac_ext >&5
- 
--have_mbstate_t=no
-+glibcxx_cv_func___builtin_sinl_use=no
- fi
- rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
--  echo "$as_me:$LINENO: result: $have_mbstate_t" >&5
--echo "${ECHO_T}$have_mbstate_t" >&6
--  if test x"$have_mbstate_t" = xyes; then
--    cat >>confdefs.h <<\_ACEOF
--#define HAVE_MBSTATE_T 1
-+      ac_ext=c
-+ac_cpp='$CPP $CPPFLAGS'
-+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_c_compiler_gnu
-+
-+
-+fi
-+
-+  fi
-+  echo "$as_me:$LINENO: result: $glibcxx_cv_func___builtin_sinl_use" >&5
-+echo "${ECHO_T}$glibcxx_cv_func___builtin_sinl_use" >&6
-+  if test x$glibcxx_cv_func___builtin_sinl_use = x"yes"; then
-+    echo "$as_me:$LINENO: checking for __builtin_sinl linkage" >&5
-+echo $ECHO_N "checking for __builtin_sinl linkage... $ECHO_C" >&6
-+    if test x${glibcxx_cv_func___builtin_sinl_link+set} != xset; then
-+      if test "${glibcxx_cv_func___builtin_sinl_link+set}" = set; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+
-+        if test x$gcc_no_link = xyes; then
-+  { { echo "$as_me:$LINENO: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&5
-+echo "$as_me: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&2;}
-+   { (exit 1); exit 1; }; }
-+fi
-+cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+#include <math.h>
-+int
-+main ()
-+{
-+ __builtin_sinl(0);
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext conftest$ac_exeext
-+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-+  (eval $ac_link) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_c_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest$ac_exeext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  glibcxx_cv_func___builtin_sinl_link=yes
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+glibcxx_cv_func___builtin_sinl_link=no
-+fi
-+rm -f conftest.err conftest.$ac_objext \
-+      conftest$ac_exeext conftest.$ac_ext
-+
-+fi
-+
-+    fi
-+    echo "$as_me:$LINENO: result: $glibcxx_cv_func___builtin_sinl_link" >&5
-+echo "${ECHO_T}$glibcxx_cv_func___builtin_sinl_link" >&6
-+    if test x$glibcxx_cv_func___builtin_sinl_link = x"yes"; then
-+      ac_tr_func=HAVE_`echo __builtin_sinl | tr 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'`
-+
-+cat >>confdefs.h <<_ACEOF
-+#define ${ac_tr_func} 1
- _ACEOF
- 
-   fi
-+  fi
- 
--  # Sanity check for existence of ISO C99 headers for extended encoding.
- 
--for ac_header in wchar.h
--do
--as_ac_Header=`echo "ac_cv_header_$ac_header" | $as_tr_sh`
--if eval "test \"\${$as_ac_Header+set}\" = set"; then
--  echo "$as_me:$LINENO: checking for $ac_header" >&5
--echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6
--if eval "test \"\${$as_ac_Header+set}\" = set"; then
-+
-+  echo "$as_me:$LINENO: checking for __builtin_cosf declaration" >&5
-+echo $ECHO_N "checking for __builtin_cosf declaration... $ECHO_C" >&6
-+  if test x${glibcxx_cv_func___builtin_cosf_use+set} != xset; then
-+    if test "${glibcxx_cv_func___builtin_cosf_use+set}" = set; then
-   echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+
-+
-+
-+      ac_ext=cc
-+ac_cpp='$CXXCPP $CPPFLAGS'
-+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
-+
-+      cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+#include <math.h>
-+int
-+main ()
-+{
-+ __builtin_cosf(0);
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext
-+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-+  (eval $ac_compile) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_cxx_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest.$ac_objext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  glibcxx_cv_func___builtin_cosf_use=yes
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+glibcxx_cv_func___builtin_cosf_use=no
- fi
--echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_Header'}'`" >&5
--echo "${ECHO_T}`eval echo '${'$as_ac_Header'}'`" >&6
-+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
-+      ac_ext=c
-+ac_cpp='$CPP $CPPFLAGS'
-+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_c_compiler_gnu
-+
-+
-+fi
-+
-+  fi
-+  echo "$as_me:$LINENO: result: $glibcxx_cv_func___builtin_cosf_use" >&5
-+echo "${ECHO_T}$glibcxx_cv_func___builtin_cosf_use" >&6
-+  if test x$glibcxx_cv_func___builtin_cosf_use = x"yes"; then
-+    echo "$as_me:$LINENO: checking for __builtin_cosf linkage" >&5
-+echo $ECHO_N "checking for __builtin_cosf linkage... $ECHO_C" >&6
-+    if test x${glibcxx_cv_func___builtin_cosf_link+set} != xset; then
-+      if test "${glibcxx_cv_func___builtin_cosf_link+set}" = set; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
- else
--  # Is the header compilable?
--echo "$as_me:$LINENO: checking $ac_header usability" >&5
--echo $ECHO_N "checking $ac_header usability... $ECHO_C" >&6
-+
-+        if test x$gcc_no_link = xyes; then
-+  { { echo "$as_me:$LINENO: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&5
-+echo "$as_me: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&2;}
-+   { (exit 1); exit 1; }; }
-+fi
- cat >conftest.$ac_ext <<_ACEOF
- /* confdefs.h.  */
- _ACEOF
- cat confdefs.h >>conftest.$ac_ext
- cat >>conftest.$ac_ext <<_ACEOF
- /* end confdefs.h.  */
--$ac_includes_default
--#include <$ac_header>
-+#include <math.h>
-+int
-+main ()
-+{
-+ __builtin_cosf(0);
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext conftest$ac_exeext
-+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-+  (eval $ac_link) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_c_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest$ac_exeext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  glibcxx_cv_func___builtin_cosf_link=yes
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
-+
-+glibcxx_cv_func___builtin_cosf_link=no
-+fi
-+rm -f conftest.err conftest.$ac_objext \
-+      conftest$ac_exeext conftest.$ac_ext
-+
-+fi
-+
-+    fi
-+    echo "$as_me:$LINENO: result: $glibcxx_cv_func___builtin_cosf_link" >&5
-+echo "${ECHO_T}$glibcxx_cv_func___builtin_cosf_link" >&6
-+    if test x$glibcxx_cv_func___builtin_cosf_link = x"yes"; then
-+      ac_tr_func=HAVE_`echo __builtin_cosf | tr 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'`
-+
-+cat >>confdefs.h <<_ACEOF
-+#define ${ac_tr_func} 1
-+_ACEOF
-+
-+    fi
-+  fi
-+
-+
-+  echo "$as_me:$LINENO: checking for __builtin_cos declaration" >&5
-+echo $ECHO_N "checking for __builtin_cos declaration... $ECHO_C" >&6
-+  if test x${glibcxx_cv_func___builtin_cos_use+set} != xset; then
-+    if test "${glibcxx_cv_func___builtin_cos_use+set}" = set; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+
-+
-+
-+      ac_ext=cc
-+ac_cpp='$CXXCPP $CPPFLAGS'
-+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
-+
-+      cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+#include <math.h>
-+int
-+main ()
-+{
-+ __builtin_cos(0);
-+  ;
-+  return 0;
-+}
- _ACEOF
- rm -f conftest.$ac_objext
- if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-@@ -82239,7 +100383,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_c
-   cat conftest.err >&5
-   echo "$as_me:$LINENO: \$? = $ac_status" >&5
-   (exit $ac_status); } &&
--	 { ac_try='test -z "$ac_c_werror_flag"
-+	 { ac_try='test -z "$ac_cxx_werror_flag"
- 			 || test ! -s conftest.err'
-   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-   (eval $ac_try) 2>&5
-@@ -82252,135 +100396,131 @@ if { (eval echo "$as_me:$LINENO: \"$ac_c
-   ac_status=$?
-   echo "$as_me:$LINENO: \$? = $ac_status" >&5
-   (exit $ac_status); }; }; then
--  ac_header_compiler=yes
-+  glibcxx_cv_func___builtin_cos_use=yes
- else
-   echo "$as_me: failed program was:" >&5
- sed 's/^/| /' conftest.$ac_ext >&5
- 
--ac_header_compiler=no
-+glibcxx_cv_func___builtin_cos_use=no
- fi
- rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
--echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
--echo "${ECHO_T}$ac_header_compiler" >&6
-+      ac_ext=c
-+ac_cpp='$CPP $CPPFLAGS'
-+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_c_compiler_gnu
- 
--# Is the header present?
--echo "$as_me:$LINENO: checking $ac_header presence" >&5
--echo $ECHO_N "checking $ac_header presence... $ECHO_C" >&6
-+
-+fi
-+
-+  fi
-+  echo "$as_me:$LINENO: result: $glibcxx_cv_func___builtin_cos_use" >&5
-+echo "${ECHO_T}$glibcxx_cv_func___builtin_cos_use" >&6
-+  if test x$glibcxx_cv_func___builtin_cos_use = x"yes"; then
-+    echo "$as_me:$LINENO: checking for __builtin_cos linkage" >&5
-+echo $ECHO_N "checking for __builtin_cos linkage... $ECHO_C" >&6
-+    if test x${glibcxx_cv_func___builtin_cos_link+set} != xset; then
-+      if test "${glibcxx_cv_func___builtin_cos_link+set}" = set; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+
-+        if test x$gcc_no_link = xyes; then
-+  { { echo "$as_me:$LINENO: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&5
-+echo "$as_me: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&2;}
-+   { (exit 1); exit 1; }; }
-+fi
- cat >conftest.$ac_ext <<_ACEOF
- /* confdefs.h.  */
- _ACEOF
- cat confdefs.h >>conftest.$ac_ext
- cat >>conftest.$ac_ext <<_ACEOF
- /* end confdefs.h.  */
--#include <$ac_header>
-+#include <math.h>
-+int
-+main ()
-+{
-+ __builtin_cos(0);
-+  ;
-+  return 0;
-+}
- _ACEOF
--if { (eval echo "$as_me:$LINENO: \"$ac_cpp conftest.$ac_ext\"") >&5
--  (eval $ac_cpp conftest.$ac_ext) 2>conftest.er1
-+rm -f conftest.$ac_objext conftest$ac_exeext
-+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-+  (eval $ac_link) 2>conftest.er1
-   ac_status=$?
-   grep -v '^ *+' conftest.er1 >conftest.err
-   rm -f conftest.er1
-   cat conftest.err >&5
-   echo "$as_me:$LINENO: \$? = $ac_status" >&5
--  (exit $ac_status); } >/dev/null; then
--  if test -s conftest.err; then
--    ac_cpp_err=$ac_c_preproc_warn_flag
--    ac_cpp_err=$ac_cpp_err$ac_c_werror_flag
--  else
--    ac_cpp_err=
--  fi
--else
--  ac_cpp_err=yes
--fi
--if test -z "$ac_cpp_err"; then
--  ac_header_preproc=yes
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_c_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest$ac_exeext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  glibcxx_cv_func___builtin_cos_link=yes
- else
-   echo "$as_me: failed program was:" >&5
- sed 's/^/| /' conftest.$ac_ext >&5
- 
--  ac_header_preproc=no
-+glibcxx_cv_func___builtin_cos_link=no
- fi
--rm -f conftest.err conftest.$ac_ext
--echo "$as_me:$LINENO: result: $ac_header_preproc" >&5
--echo "${ECHO_T}$ac_header_preproc" >&6
-+rm -f conftest.err conftest.$ac_objext \
-+      conftest$ac_exeext conftest.$ac_ext
- 
--# So?  What about this header?
--case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in
--  yes:no: )
--    { echo "$as_me:$LINENO: WARNING: $ac_header: accepted by the compiler, rejected by the preprocessor!" >&5
--echo "$as_me: WARNING: $ac_header: accepted by the compiler, rejected by the preprocessor!" >&2;}
--    { echo "$as_me:$LINENO: WARNING: $ac_header: proceeding with the compiler's result" >&5
--echo "$as_me: WARNING: $ac_header: proceeding with the compiler's result" >&2;}
--    ac_header_preproc=yes
--    ;;
--  no:yes:* )
--    { echo "$as_me:$LINENO: WARNING: $ac_header: present but cannot be compiled" >&5
--echo "$as_me: WARNING: $ac_header: present but cannot be compiled" >&2;}
--    { echo "$as_me:$LINENO: WARNING: $ac_header:     check for missing prerequisite headers?" >&5
--echo "$as_me: WARNING: $ac_header:     check for missing prerequisite headers?" >&2;}
--    { echo "$as_me:$LINENO: WARNING: $ac_header: see the Autoconf documentation" >&5
--echo "$as_me: WARNING: $ac_header: see the Autoconf documentation" >&2;}
--    { echo "$as_me:$LINENO: WARNING: $ac_header:     section \"Present But Cannot Be Compiled\"" >&5
--echo "$as_me: WARNING: $ac_header:     section \"Present But Cannot Be Compiled\"" >&2;}
--    { echo "$as_me:$LINENO: WARNING: $ac_header: proceeding with the preprocessor's result" >&5
--echo "$as_me: WARNING: $ac_header: proceeding with the preprocessor's result" >&2;}
--    { echo "$as_me:$LINENO: WARNING: $ac_header: in the future, the compiler will take precedence" >&5
--echo "$as_me: WARNING: $ac_header: in the future, the compiler will take precedence" >&2;}
--    (
--      cat <<\_ASBOX
--## ----------------------------------------- ##
--## Report this to the package-unused lists.  ##
--## ----------------------------------------- ##
--_ASBOX
--    ) |
--      sed "s/^/$as_me: WARNING:     /" >&2
--    ;;
--esac
--echo "$as_me:$LINENO: checking for $ac_header" >&5
--echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6
--if eval "test \"\${$as_ac_Header+set}\" = set"; then
--  echo $ECHO_N "(cached) $ECHO_C" >&6
--else
--  eval "$as_ac_Header=\$ac_header_preproc"
- fi
--echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_Header'}'`" >&5
--echo "${ECHO_T}`eval echo '${'$as_ac_Header'}'`" >&6
- 
--fi
--if test `eval echo '${'$as_ac_Header'}'` = yes; then
--  cat >>confdefs.h <<_ACEOF
--#define `echo "HAVE_$ac_header" | $as_tr_cpp` 1
-+    fi
-+    echo "$as_me:$LINENO: result: $glibcxx_cv_func___builtin_cos_link" >&5
-+echo "${ECHO_T}$glibcxx_cv_func___builtin_cos_link" >&6
-+    if test x$glibcxx_cv_func___builtin_cos_link = x"yes"; then
-+      ac_tr_func=HAVE_`echo __builtin_cos | tr 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'`
-+
-+cat >>confdefs.h <<_ACEOF
-+#define ${ac_tr_func} 1
- _ACEOF
-- ac_has_wchar_h=yes
--else
--  ac_has_wchar_h=no
--fi
- 
--done
-+    fi
-+  fi
- 
- 
--for ac_header in wctype.h
--do
--as_ac_Header=`echo "ac_cv_header_$ac_header" | $as_tr_sh`
--if eval "test \"\${$as_ac_Header+set}\" = set"; then
--  echo "$as_me:$LINENO: checking for $ac_header" >&5
--echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6
--if eval "test \"\${$as_ac_Header+set}\" = set"; then
-+  echo "$as_me:$LINENO: checking for __builtin_cosl declaration" >&5
-+echo $ECHO_N "checking for __builtin_cosl declaration... $ECHO_C" >&6
-+  if test x${glibcxx_cv_func___builtin_cosl_use+set} != xset; then
-+    if test "${glibcxx_cv_func___builtin_cosl_use+set}" = set; then
-   echo $ECHO_N "(cached) $ECHO_C" >&6
--fi
--echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_Header'}'`" >&5
--echo "${ECHO_T}`eval echo '${'$as_ac_Header'}'`" >&6
- else
--  # Is the header compilable?
--echo "$as_me:$LINENO: checking $ac_header usability" >&5
--echo $ECHO_N "checking $ac_header usability... $ECHO_C" >&6
--cat >conftest.$ac_ext <<_ACEOF
-+
-+
-+
-+      ac_ext=cc
-+ac_cpp='$CXXCPP $CPPFLAGS'
-+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
-+
-+      cat >conftest.$ac_ext <<_ACEOF
- /* confdefs.h.  */
- _ACEOF
- cat confdefs.h >>conftest.$ac_ext
- cat >>conftest.$ac_ext <<_ACEOF
- /* end confdefs.h.  */
--$ac_includes_default
--#include <$ac_header>
-+#include <math.h>
-+int
-+main ()
-+{
-+ __builtin_cosl(0);
-+  ;
-+  return 0;
-+}
- _ACEOF
- rm -f conftest.$ac_objext
- if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-@@ -82391,7 +100531,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_c
-   cat conftest.err >&5
-   echo "$as_me:$LINENO: \$? = $ac_status" >&5
-   (exit $ac_status); } &&
--	 { ac_try='test -z "$ac_c_werror_flag"
-+	 { ac_try='test -z "$ac_cxx_werror_flag"
- 			 || test ! -s conftest.err'
-   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-   (eval $ac_try) 2>&5
-@@ -82404,139 +100544,57 @@ if { (eval echo "$as_me:$LINENO: \"$ac_c
-   ac_status=$?
-   echo "$as_me:$LINENO: \$? = $ac_status" >&5
-   (exit $ac_status); }; }; then
--  ac_header_compiler=yes
-+  glibcxx_cv_func___builtin_cosl_use=yes
- else
-   echo "$as_me: failed program was:" >&5
- sed 's/^/| /' conftest.$ac_ext >&5
- 
--ac_header_compiler=no
-+glibcxx_cv_func___builtin_cosl_use=no
- fi
- rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
--echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
--echo "${ECHO_T}$ac_header_compiler" >&6
-+      ac_ext=c
-+ac_cpp='$CPP $CPPFLAGS'
-+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_c_compiler_gnu
- 
--# Is the header present?
--echo "$as_me:$LINENO: checking $ac_header presence" >&5
--echo $ECHO_N "checking $ac_header presence... $ECHO_C" >&6
--cat >conftest.$ac_ext <<_ACEOF
--/* confdefs.h.  */
--_ACEOF
--cat confdefs.h >>conftest.$ac_ext
--cat >>conftest.$ac_ext <<_ACEOF
--/* end confdefs.h.  */
--#include <$ac_header>
--_ACEOF
--if { (eval echo "$as_me:$LINENO: \"$ac_cpp conftest.$ac_ext\"") >&5
--  (eval $ac_cpp conftest.$ac_ext) 2>conftest.er1
--  ac_status=$?
--  grep -v '^ *+' conftest.er1 >conftest.err
--  rm -f conftest.er1
--  cat conftest.err >&5
--  echo "$as_me:$LINENO: \$? = $ac_status" >&5
--  (exit $ac_status); } >/dev/null; then
--  if test -s conftest.err; then
--    ac_cpp_err=$ac_c_preproc_warn_flag
--    ac_cpp_err=$ac_cpp_err$ac_c_werror_flag
--  else
--    ac_cpp_err=
--  fi
--else
--  ac_cpp_err=yes
--fi
--if test -z "$ac_cpp_err"; then
--  ac_header_preproc=yes
--else
--  echo "$as_me: failed program was:" >&5
--sed 's/^/| /' conftest.$ac_ext >&5
- 
--  ac_header_preproc=no
- fi
--rm -f conftest.err conftest.$ac_ext
--echo "$as_me:$LINENO: result: $ac_header_preproc" >&5
--echo "${ECHO_T}$ac_header_preproc" >&6
- 
--# So?  What about this header?
--case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in
--  yes:no: )
--    { echo "$as_me:$LINENO: WARNING: $ac_header: accepted by the compiler, rejected by the preprocessor!" >&5
--echo "$as_me: WARNING: $ac_header: accepted by the compiler, rejected by the preprocessor!" >&2;}
--    { echo "$as_me:$LINENO: WARNING: $ac_header: proceeding with the compiler's result" >&5
--echo "$as_me: WARNING: $ac_header: proceeding with the compiler's result" >&2;}
--    ac_header_preproc=yes
--    ;;
--  no:yes:* )
--    { echo "$as_me:$LINENO: WARNING: $ac_header: present but cannot be compiled" >&5
--echo "$as_me: WARNING: $ac_header: present but cannot be compiled" >&2;}
--    { echo "$as_me:$LINENO: WARNING: $ac_header:     check for missing prerequisite headers?" >&5
--echo "$as_me: WARNING: $ac_header:     check for missing prerequisite headers?" >&2;}
--    { echo "$as_me:$LINENO: WARNING: $ac_header: see the Autoconf documentation" >&5
--echo "$as_me: WARNING: $ac_header: see the Autoconf documentation" >&2;}
--    { echo "$as_me:$LINENO: WARNING: $ac_header:     section \"Present But Cannot Be Compiled\"" >&5
--echo "$as_me: WARNING: $ac_header:     section \"Present But Cannot Be Compiled\"" >&2;}
--    { echo "$as_me:$LINENO: WARNING: $ac_header: proceeding with the preprocessor's result" >&5
--echo "$as_me: WARNING: $ac_header: proceeding with the preprocessor's result" >&2;}
--    { echo "$as_me:$LINENO: WARNING: $ac_header: in the future, the compiler will take precedence" >&5
--echo "$as_me: WARNING: $ac_header: in the future, the compiler will take precedence" >&2;}
--    (
--      cat <<\_ASBOX
--## ----------------------------------------- ##
--## Report this to the package-unused lists.  ##
--## ----------------------------------------- ##
--_ASBOX
--    ) |
--      sed "s/^/$as_me: WARNING:     /" >&2
--    ;;
--esac
--echo "$as_me:$LINENO: checking for $ac_header" >&5
--echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6
--if eval "test \"\${$as_ac_Header+set}\" = set"; then
-+  fi
-+  echo "$as_me:$LINENO: result: $glibcxx_cv_func___builtin_cosl_use" >&5
-+echo "${ECHO_T}$glibcxx_cv_func___builtin_cosl_use" >&6
-+  if test x$glibcxx_cv_func___builtin_cosl_use = x"yes"; then
-+    echo "$as_me:$LINENO: checking for __builtin_cosl linkage" >&5
-+echo $ECHO_N "checking for __builtin_cosl linkage... $ECHO_C" >&6
-+    if test x${glibcxx_cv_func___builtin_cosl_link+set} != xset; then
-+      if test "${glibcxx_cv_func___builtin_cosl_link+set}" = set; then
-   echo $ECHO_N "(cached) $ECHO_C" >&6
- else
--  eval "$as_ac_Header=\$ac_header_preproc"
--fi
--echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_Header'}'`" >&5
--echo "${ECHO_T}`eval echo '${'$as_ac_Header'}'`" >&6
- 
-+        if test x$gcc_no_link = xyes; then
-+  { { echo "$as_me:$LINENO: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&5
-+echo "$as_me: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&2;}
-+   { (exit 1); exit 1; }; }
- fi
--if test `eval echo '${'$as_ac_Header'}'` = yes; then
--  cat >>confdefs.h <<_ACEOF
--#define `echo "HAVE_$ac_header" | $as_tr_cpp` 1
--_ACEOF
-- ac_has_wctype_h=yes
--else
--  ac_has_wctype_h=no
--fi
--
--done
--
--
--  # Only continue checking if the ISO C99 headers exist and support is on.
--  if test x"$ac_has_wchar_h" = xyes &&
--     test x"$ac_has_wctype_h" = xyes &&
--     test x"$enable_c_mbchar" != xno; then
--
--    # Test wchar.h for WCHAR_MIN, WCHAR_MAX, which is needed before
--    # numeric_limits can instantiate type_traits<wchar_t>
--    echo "$as_me:$LINENO: checking for WCHAR_MIN and WCHAR_MAX" >&5
--echo $ECHO_N "checking for WCHAR_MIN and WCHAR_MAX... $ECHO_C" >&6
--    cat >conftest.$ac_ext <<_ACEOF
-+cat >conftest.$ac_ext <<_ACEOF
- /* confdefs.h.  */
- _ACEOF
- cat confdefs.h >>conftest.$ac_ext
- cat >>conftest.$ac_ext <<_ACEOF
- /* end confdefs.h.  */
--#include <wchar.h>
-+#include <math.h>
- int
- main ()
- {
--int i = WCHAR_MIN; int j = WCHAR_MAX;
-+ __builtin_cosl(0);
-   ;
-   return 0;
- }
- _ACEOF
--rm -f conftest.$ac_objext
--if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
--  (eval $ac_compile) 2>conftest.er1
-+rm -f conftest.$ac_objext conftest$ac_exeext
-+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-+  (eval $ac_link) 2>conftest.er1
-   ac_status=$?
-   grep -v '^ *+' conftest.er1 >conftest.err
-   rm -f conftest.er1
-@@ -82550,47 +100608,71 @@ if { (eval echo "$as_me:$LINENO: \"$ac_c
-   ac_status=$?
-   echo "$as_me:$LINENO: \$? = $ac_status" >&5
-   (exit $ac_status); }; } &&
--	 { ac_try='test -s conftest.$ac_objext'
-+	 { ac_try='test -s conftest$ac_exeext'
-   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-   (eval $ac_try) 2>&5
-   ac_status=$?
-   echo "$as_me:$LINENO: \$? = $ac_status" >&5
-   (exit $ac_status); }; }; then
--  has_wchar_minmax=yes
-+  glibcxx_cv_func___builtin_cosl_link=yes
- else
-   echo "$as_me: failed program was:" >&5
- sed 's/^/| /' conftest.$ac_ext >&5
- 
--has_wchar_minmax=no
-+glibcxx_cv_func___builtin_cosl_link=no
- fi
--rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
--    echo "$as_me:$LINENO: result: $has_wchar_minmax" >&5
--echo "${ECHO_T}$has_wchar_minmax" >&6
-+rm -f conftest.err conftest.$ac_objext \
-+      conftest$ac_exeext conftest.$ac_ext
- 
--    # Test wchar.h for WEOF, which is what we use to determine whether
--    # to specialize for char_traits<wchar_t> or not.
--    echo "$as_me:$LINENO: checking for WEOF" >&5
--echo $ECHO_N "checking for WEOF... $ECHO_C" >&6
--    cat >conftest.$ac_ext <<_ACEOF
-+fi
-+
-+    fi
-+    echo "$as_me:$LINENO: result: $glibcxx_cv_func___builtin_cosl_link" >&5
-+echo "${ECHO_T}$glibcxx_cv_func___builtin_cosl_link" >&6
-+    if test x$glibcxx_cv_func___builtin_cosl_link = x"yes"; then
-+      ac_tr_func=HAVE_`echo __builtin_cosl | tr 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'`
-+
-+cat >>confdefs.h <<_ACEOF
-+#define ${ac_tr_func} 1
-+_ACEOF
-+
-+    fi
-+  fi
-+
-+
-+
-+
-+echo "$as_me:$LINENO: checking for main in -lm" >&5
-+echo $ECHO_N "checking for main in -lm... $ECHO_C" >&6
-+if test "${ac_cv_lib_m_main+set}" = set; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+  ac_check_lib_save_LIBS=$LIBS
-+LIBS="-lm  $LIBS"
-+if test x$gcc_no_link = xyes; then
-+  { { echo "$as_me:$LINENO: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&5
-+echo "$as_me: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&2;}
-+   { (exit 1); exit 1; }; }
-+fi
-+cat >conftest.$ac_ext <<_ACEOF
- /* confdefs.h.  */
- _ACEOF
- cat confdefs.h >>conftest.$ac_ext
- cat >>conftest.$ac_ext <<_ACEOF
- /* end confdefs.h.  */
- 
--      #include <wchar.h>
--      #include <stddef.h>
-+
- int
- main ()
- {
--wint_t i = WEOF;
-+main ();
-   ;
-   return 0;
- }
- _ACEOF
--rm -f conftest.$ac_objext
--if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
--  (eval $ac_compile) 2>conftest.er1
-+rm -f conftest.$ac_objext conftest$ac_exeext
-+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-+  (eval $ac_link) 2>conftest.er1
-   ac_status=$?
-   grep -v '^ *+' conftest.er1 >conftest.err
-   rm -f conftest.er1
-@@ -82604,32 +100686,36 @@ if { (eval echo "$as_me:$LINENO: \"$ac_c
-   ac_status=$?
-   echo "$as_me:$LINENO: \$? = $ac_status" >&5
-   (exit $ac_status); }; } &&
--	 { ac_try='test -s conftest.$ac_objext'
-+	 { ac_try='test -s conftest$ac_exeext'
-   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-   (eval $ac_try) 2>&5
-   ac_status=$?
-   echo "$as_me:$LINENO: \$? = $ac_status" >&5
-   (exit $ac_status); }; }; then
--  has_weof=yes
-+  ac_cv_lib_m_main=yes
- else
-   echo "$as_me: failed program was:" >&5
- sed 's/^/| /' conftest.$ac_ext >&5
- 
--has_weof=no
-+ac_cv_lib_m_main=no
- fi
--rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
--    echo "$as_me:$LINENO: result: $has_weof" >&5
--echo "${ECHO_T}$has_weof" >&6
--
--    # Tests for wide character functions used in char_traits<wchar_t>.
--    ac_wfuncs=yes
--
--
-+rm -f conftest.err conftest.$ac_objext \
-+      conftest$ac_exeext conftest.$ac_ext
-+LIBS=$ac_check_lib_save_LIBS
-+fi
-+echo "$as_me:$LINENO: result: $ac_cv_lib_m_main" >&5
-+echo "${ECHO_T}$ac_cv_lib_m_main" >&6
-+if test $ac_cv_lib_m_main = yes; then
-+  cat >>confdefs.h <<_ACEOF
-+#define HAVE_LIBM 1
-+_ACEOF
- 
-+  LIBS="-lm $LIBS"
- 
-+fi
- 
- 
--for ac_func in wcslen wmemchr wmemcmp wmemcpy wmemmove wmemset
-+for ac_func in copysignf
- do
- as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh`
- echo "$as_me:$LINENO: checking for $ac_func" >&5
-@@ -82733,64 +100819,123 @@ if test `eval echo '${'$as_ac_var'}'` = 
- _ACEOF
- 
- else
--  ac_wfuncs=no
-+  LIBMATHOBJS="$LIBMATHOBJS ${ac_func}.lo"
- fi
- done
- 
- 
--    # Checks for names injected into std:: by the c_std headers.
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
--
- 
-+for ac_func in __signbit
-+do
-+as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh`
-+echo "$as_me:$LINENO: checking for $ac_func" >&5
-+echo $ECHO_N "checking for $ac_func... $ECHO_C" >&6
-+if eval "test \"\${$as_ac_var+set}\" = set"; then
-+  echo $ECHO_N "(cached) $ECHO_C" >&6
-+else
-+  if test x$gcc_no_link = xyes; then
-+  { { echo "$as_me:$LINENO: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&5
-+echo "$as_me: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&2;}
-+   { (exit 1); exit 1; }; }
-+fi
-+cat >conftest.$ac_ext <<_ACEOF
-+/* confdefs.h.  */
-+_ACEOF
-+cat confdefs.h >>conftest.$ac_ext
-+cat >>conftest.$ac_ext <<_ACEOF
-+/* end confdefs.h.  */
-+/* Define $ac_func to an innocuous variant, in case <limits.h> declares $ac_func.
-+   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
-+#define $ac_func innocuous_$ac_func
- 
-+/* System header to define __stub macros and hopefully few prototypes,
-+    which can conflict with char $ac_func (); below.
-+    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
-+    <limits.h> exists even on freestanding compilers.  */
- 
-+#ifdef __STDC__
-+# include <limits.h>
-+#else
-+# include <assert.h>
-+#endif
- 
-+#undef $ac_func
- 
-+/* Override any gcc2 internal prototype to avoid an error.  */
-+#ifdef __cplusplus
-+extern "C"
-+{
-+#endif
-+/* We use char because int might match the return type of a gcc2
-+   builtin and then its argument prototype would still apply.  */
-+char $ac_func ();
-+/* The GNU C library defines this for functions which it implements
-+    to always fail with ENOSYS.  Some functions are actually named
-+    something starting with __ and the normal name is an alias.  */
-+#if defined (__stub_$ac_func) || defined (__stub___$ac_func)
-+choke me
-+#else
-+char (*f) () = $ac_func;
-+#endif
-+#ifdef __cplusplus
-+}
-+#endif
- 
-+int
-+main ()
-+{
-+return f != $ac_func;
-+  ;
-+  return 0;
-+}
-+_ACEOF
-+rm -f conftest.$ac_objext conftest$ac_exeext
-+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
-+  (eval $ac_link) 2>conftest.er1
-+  ac_status=$?
-+  grep -v '^ *+' conftest.er1 >conftest.err
-+  rm -f conftest.er1
-+  cat conftest.err >&5
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); } &&
-+	 { ac_try='test -z "$ac_c_werror_flag"
-+			 || test ! -s conftest.err'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; } &&
-+	 { ac_try='test -s conftest$ac_exeext'
-+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-+  (eval $ac_try) 2>&5
-+  ac_status=$?
-+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
-+  (exit $ac_status); }; }; then
-+  eval "$as_ac_var=yes"
-+else
-+  echo "$as_me: failed program was:" >&5
-+sed 's/^/| /' conftest.$ac_ext >&5
- 
-+eval "$as_ac_var=no"
-+fi
-+rm -f conftest.err conftest.$ac_objext \
-+      conftest$ac_exeext conftest.$ac_ext
-+fi
-+echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_var'}'`" >&5
-+echo "${ECHO_T}`eval echo '${'$as_ac_var'}'`" >&6
-+if test `eval echo '${'$as_ac_var'}'` = yes; then
-+  cat >>confdefs.h <<_ACEOF
-+#define `echo "HAVE_$ac_func" | $as_tr_cpp` 1
-+_ACEOF
- 
-+else
-+  LIBMATHOBJS="$LIBMATHOBJS signbit.lo"
-+fi
-+done
- 
- 
- 
--for ac_func in btowc wctob fgetwc fgetws fputwc fputws fwide \
--    fwprintf fwscanf swprintf swscanf vfwprintf vswprintf \
--    vwprintf wprintf wscanf getwc getwchar mbsinit mbrlen mbrtowc \
--    mbsrtowcs wcsrtombs putwc putwchar ungetwc wcrtomb wcstod wcstol \
--    wcstoul wcscpy wcsncpy wcscat wcsncat wcscmp wcscoll wcsncmp wcsxfrm \
--    wcscspn wcsspn wcstok wcsftime wcschr wcspbrk wcsrchr wcsstr
-+for ac_func in __signbitf
- do
- as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh`
- echo "$as_me:$LINENO: checking for $ac_func" >&5
-@@ -82894,20 +101039,14 @@ if test `eval echo '${'$as_ac_var'}'` = 
- _ACEOF
- 
- else
--  ac_wfuncs=no
-+  LIBMATHOBJS="$LIBMATHOBJS signbitf.lo"
- fi
- done
- 
- 
--    # Checks for wide character functions that are not required
--    # for basic wchar_t support.  Don't disable support if they are missing.
--    # Injection of these is wrapped with guard macros.
--
--
--
--
-+          if test x$ac_cv_func_copysignl = x"yes"; then
- 
--for ac_func in vfwscanf vswscanf vwscanf wcstof iswblank
-+for ac_func in __signbitl
- do
- as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh`
- echo "$as_me:$LINENO: checking for $ac_func" >&5
-@@ -83010,45 +101149,55 @@ if test `eval echo '${'$as_ac_var'}'` = 
- #define `echo "HAVE_$ac_func" | $as_tr_cpp` 1
- _ACEOF
- 
-+else
-+  LIBMATHOBJS="$LIBMATHOBJS signbitl.lo"
- fi
- done
- 
-+  fi
- 
--    echo "$as_me:$LINENO: checking for ISO C99 wchar_t support" >&5
--echo $ECHO_N "checking for ISO C99 wchar_t support... $ECHO_C" >&6
--    if test x"$has_weof" = xyes &&
--       test x"$has_wchar_minmax" = xyes &&
--       test x"$ac_wfuncs" = xyes;
--    then
--      ac_isoC99_wchar_t=yes
--    else
--      ac_isoC99_wchar_t=no
-+  # Used in libmath/Makefile.am.
-+  if test -n "$LIBMATHOBJS"; then
-+    need_libmath=yes
-     fi
--    echo "$as_me:$LINENO: result: $ac_isoC99_wchar_t" >&5
--echo "${ECHO_T}$ac_isoC99_wchar_t" >&6
- 
--    # Use iconv for wchar_t to char conversions. As such, check for
--    # X/Open Portability Guide, version 2 features (XPG2).
--    if test "${ac_cv_header_iconv_h+set}" = set; then
--  echo "$as_me:$LINENO: checking for iconv.h" >&5
--echo $ECHO_N "checking for iconv.h... $ECHO_C" >&6
--if test "${ac_cv_header_iconv_h+set}" = set; then
-+
-+    GLIBCXX_CHECK_ICONV_SUPPORT
-+
-+  ac_test_CXXFLAGS="${CXXFLAGS+set}"
-+  ac_save_CXXFLAGS="$CXXFLAGS"
-+  CXXFLAGS='-fno-builtin -D_GNU_SOURCE'
-+
-+
-+  echo "$as_me:$LINENO: checking for strtold declaration" >&5
-+echo $ECHO_N "checking for strtold declaration... $ECHO_C" >&6
-+  if test x${glibcxx_cv_func_strtold_use+set} != xset; then
-+    if test "${glibcxx_cv_func_strtold_use+set}" = set; then
-   echo $ECHO_N "(cached) $ECHO_C" >&6
--fi
--echo "$as_me:$LINENO: result: $ac_cv_header_iconv_h" >&5
--echo "${ECHO_T}$ac_cv_header_iconv_h" >&6
- else
--  # Is the header compilable?
--echo "$as_me:$LINENO: checking iconv.h usability" >&5
--echo $ECHO_N "checking iconv.h usability... $ECHO_C" >&6
--cat >conftest.$ac_ext <<_ACEOF
-+
-+
-+
-+      ac_ext=cc
-+ac_cpp='$CXXCPP $CPPFLAGS'
-+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
-+
-+      cat >conftest.$ac_ext <<_ACEOF
- /* confdefs.h.  */
- _ACEOF
- cat confdefs.h >>conftest.$ac_ext
- cat >>conftest.$ac_ext <<_ACEOF
- /* end confdefs.h.  */
--$ac_includes_default
--#include <iconv.h>
-+#include <stdlib.h>
-+int
-+main ()
-+{
-+ strtold(0, 0);
-+  ;
-+  return 0;
-+}
- _ACEOF
- rm -f conftest.$ac_objext
- if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-@@ -83059,7 +101208,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_c
-   cat conftest.err >&5
-   echo "$as_me:$LINENO: \$? = $ac_status" >&5
-   (exit $ac_status); } &&
--	 { ac_try='test -z "$ac_c_werror_flag"
-+	 { ac_try='test -z "$ac_cxx_werror_flag"
- 			 || test ! -s conftest.err'
-   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-   (eval $ac_try) 2>&5
-@@ -83210,197 +101323,110 @@ if { (eval echo "$as_me:$LINENO: \"$ac_c
-   ac_status=$?
-   echo "$as_me:$LINENO: \$? = $ac_status" >&5
-   (exit $ac_status); }; } &&
--	 { ac_try='test -s conftest.$ac_objext'
-+	 { ac_try='test -s conftest$ac_exeext'
-   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-   (eval $ac_try) 2>&5
-   ac_status=$?
-   echo "$as_me:$LINENO: \$? = $ac_status" >&5
-   (exit $ac_status); }; }; then
--  ac_header_compiler=yes
-+  eval "$as_ac_var=yes"
- else
-   echo "$as_me: failed program was:" >&5
- sed 's/^/| /' conftest.$ac_ext >&5
- 
--ac_header_compiler=no
-+eval "$as_ac_var=no"
- fi
--rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
--echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
--echo "${ECHO_T}$ac_header_compiler" >&6
--
--# Is the header present?
--echo "$as_me:$LINENO: checking langinfo.h presence" >&5
--echo $ECHO_N "checking langinfo.h presence... $ECHO_C" >&6
--cat >conftest.$ac_ext <<_ACEOF
--/* confdefs.h.  */
--_ACEOF
--cat confdefs.h >>conftest.$ac_ext
--cat >>conftest.$ac_ext <<_ACEOF
--/* end confdefs.h.  */
--#include <langinfo.h>
--_ACEOF
--if { (eval echo "$as_me:$LINENO: \"$ac_cpp conftest.$ac_ext\"") >&5
--  (eval $ac_cpp conftest.$ac_ext) 2>conftest.er1
--  ac_status=$?
--  grep -v '^ *+' conftest.er1 >conftest.err
--  rm -f conftest.er1
--  cat conftest.err >&5
--  echo "$as_me:$LINENO: \$? = $ac_status" >&5
--  (exit $ac_status); } >/dev/null; then
--  if test -s conftest.err; then
--    ac_cpp_err=$ac_c_preproc_warn_flag
--    ac_cpp_err=$ac_cpp_err$ac_c_werror_flag
--  else
--    ac_cpp_err=
--  fi
--else
--  ac_cpp_err=yes
-+rm -f conftest.err conftest.$ac_objext \
-+      conftest$ac_exeext conftest.$ac_ext
- fi
--if test -z "$ac_cpp_err"; then
--  ac_header_preproc=yes
--else
--  echo "$as_me: failed program was:" >&5
--sed 's/^/| /' conftest.$ac_ext >&5
-+echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_var'}'`" >&5
-+echo "${ECHO_T}`eval echo '${'$as_ac_var'}'`" >&6
-+if test `eval echo '${'$as_ac_var'}'` = yes; then
-+  cat >>confdefs.h <<_ACEOF
-+#define `echo "HAVE_$ac_func" | $as_tr_cpp` 1
-+_ACEOF
- 
--  ac_header_preproc=no
- fi
--rm -f conftest.err conftest.$ac_ext
--echo "$as_me:$LINENO: result: $ac_header_preproc" >&5
--echo "${ECHO_T}$ac_header_preproc" >&6
-+done
- 
--# So?  What about this header?
--case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in
--  yes:no: )
--    { echo "$as_me:$LINENO: WARNING: langinfo.h: accepted by the compiler, rejected by the preprocessor!" >&5
--echo "$as_me: WARNING: langinfo.h: accepted by the compiler, rejected by the preprocessor!" >&2;}
--    { echo "$as_me:$LINENO: WARNING: langinfo.h: proceeding with the compiler's result" >&5
--echo "$as_me: WARNING: langinfo.h: proceeding with the compiler's result" >&2;}
--    ac_header_preproc=yes
--    ;;
--  no:yes:* )
--    { echo "$as_me:$LINENO: WARNING: langinfo.h: present but cannot be compiled" >&5
--echo "$as_me: WARNING: langinfo.h: present but cannot be compiled" >&2;}
--    { echo "$as_me:$LINENO: WARNING: langinfo.h:     check for missing prerequisite headers?" >&5
--echo "$as_me: WARNING: langinfo.h:     check for missing prerequisite headers?" >&2;}
--    { echo "$as_me:$LINENO: WARNING: langinfo.h: see the Autoconf documentation" >&5
--echo "$as_me: WARNING: langinfo.h: see the Autoconf documentation" >&2;}
--    { echo "$as_me:$LINENO: WARNING: langinfo.h:     section \"Present But Cannot Be Compiled\"" >&5
--echo "$as_me: WARNING: langinfo.h:     section \"Present But Cannot Be Compiled\"" >&2;}
--    { echo "$as_me:$LINENO: WARNING: langinfo.h: proceeding with the preprocessor's result" >&5
--echo "$as_me: WARNING: langinfo.h: proceeding with the preprocessor's result" >&2;}
--    { echo "$as_me:$LINENO: WARNING: langinfo.h: in the future, the compiler will take precedence" >&5
--echo "$as_me: WARNING: langinfo.h: in the future, the compiler will take precedence" >&2;}
--    (
--      cat <<\_ASBOX
--## ----------------------------------------- ##
--## Report this to the package-unused lists.  ##
--## ----------------------------------------- ##
--_ASBOX
--    ) |
--      sed "s/^/$as_me: WARNING:     /" >&2
--    ;;
--esac
--echo "$as_me:$LINENO: checking for langinfo.h" >&5
--echo $ECHO_N "checking for langinfo.h... $ECHO_C" >&6
--if test "${ac_cv_header_langinfo_h+set}" = set; then
-+  fi
-+
-+
-+  echo "$as_me:$LINENO: checking for strtof declaration" >&5
-+echo $ECHO_N "checking for strtof declaration... $ECHO_C" >&6
-+  if test x${glibcxx_cv_func_strtof_use+set} != xset; then
-+    if test "${glibcxx_cv_func_strtof_use+set}" = set; then
-   echo $ECHO_N "(cached) $ECHO_C" >&6
- else
--  ac_cv_header_langinfo_h=$ac_header_preproc
--fi
--echo "$as_me:$LINENO: result: $ac_cv_header_langinfo_h" >&5
--echo "${ECHO_T}$ac_cv_header_langinfo_h" >&6
- 
--fi
--if test $ac_cv_header_langinfo_h = yes; then
--  ac_has_langinfo_h=yes
--else
--  ac_has_langinfo_h=no
--fi
- 
- 
-+      ac_ext=cc
-+ac_cpp='$CXXCPP $CPPFLAGS'
-+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
- 
--    # Check for existence of libiconv.a providing XPG2 wchar_t support.
--    echo "$as_me:$LINENO: checking for iconv in -liconv" >&5
--echo $ECHO_N "checking for iconv in -liconv... $ECHO_C" >&6
--if test "${ac_cv_lib_iconv_iconv+set}" = set; then
--  echo $ECHO_N "(cached) $ECHO_C" >&6
--else
--  ac_check_lib_save_LIBS=$LIBS
--LIBS="-liconv  $LIBS"
--if test x$gcc_no_link = xyes; then
--  { { echo "$as_me:$LINENO: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&5
--echo "$as_me: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&2;}
--   { (exit 1); exit 1; }; }
--fi
--cat >conftest.$ac_ext <<_ACEOF
-+      cat >conftest.$ac_ext <<_ACEOF
- /* confdefs.h.  */
- _ACEOF
- cat confdefs.h >>conftest.$ac_ext
- cat >>conftest.$ac_ext <<_ACEOF
- /* end confdefs.h.  */
--
--/* Override any gcc2 internal prototype to avoid an error.  */
--#ifdef __cplusplus
--extern "C"
--#endif
--/* We use char because int might match the return type of a gcc2
--   builtin and then its argument prototype would still apply.  */
--char iconv ();
-+#include <stdlib.h>
- int
- main ()
- {
--iconv ();
-+ strtof(0, 0);
-   ;
-   return 0;
- }
- _ACEOF
--rm -f conftest.$ac_objext conftest$ac_exeext
--if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
--  (eval $ac_link) 2>conftest.er1
-+rm -f conftest.$ac_objext
-+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
-+  (eval $ac_compile) 2>conftest.er1
-   ac_status=$?
-   grep -v '^ *+' conftest.er1 >conftest.err
-   rm -f conftest.er1
-   cat conftest.err >&5
-   echo "$as_me:$LINENO: \$? = $ac_status" >&5
-   (exit $ac_status); } &&
--	 { ac_try='test -z "$ac_c_werror_flag"
-+	 { ac_try='test -z "$ac_cxx_werror_flag"
- 			 || test ! -s conftest.err'
-   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-   (eval $ac_try) 2>&5
-   ac_status=$?
-   echo "$as_me:$LINENO: \$? = $ac_status" >&5
-   (exit $ac_status); }; } &&
--	 { ac_try='test -s conftest$ac_exeext'
-+	 { ac_try='test -s conftest.$ac_objext'
-   { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
-   (eval $ac_try) 2>&5
-   ac_status=$?
-   echo "$as_me:$LINENO: \$? = $ac_status" >&5
-   (exit $ac_status); }; }; then
--  ac_cv_lib_iconv_iconv=yes
-+  glibcxx_cv_func_strtof_use=yes
- else
-   echo "$as_me: failed program was:" >&5
- sed 's/^/| /' conftest.$ac_ext >&5
- 
--ac_cv_lib_iconv_iconv=no
--fi
--rm -f conftest.err conftest.$ac_objext \
--      conftest$ac_exeext conftest.$ac_ext
--LIBS=$ac_check_lib_save_LIBS
--fi
--echo "$as_me:$LINENO: result: $ac_cv_lib_iconv_iconv" >&5
--echo "${ECHO_T}$ac_cv_lib_iconv_iconv" >&6
--if test $ac_cv_lib_iconv_iconv = yes; then
--  LIBICONV="-liconv"
-+glibcxx_cv_func_strtof_use=no
- fi
--
--    ac_save_LIBS="$LIBS"
--    LIBS="$LIBS $LIBICONV"
--
--
-+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
-+      ac_ext=c
-+ac_cpp='$CPP $CPPFLAGS'
-+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-+ac_compiler_gnu=$ac_cv_c_compiler_gnu
- 
- 
-+fi
- 
-+  fi
-+  echo "$as_me:$LINENO: result: $glibcxx_cv_func_strtof_use" >&5
-+echo "${ECHO_T}$glibcxx_cv_func_strtof_use" >&6
-+  if test x$glibcxx_cv_func_strtof_use = x"yes"; then
- 
--for ac_func in iconv_open iconv_close iconv nl_langinfo
-+for ac_func in strtof
- do
- as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh`
- echo "$as_me:$LINENO: checking for $ac_func" >&5
-@@ -83502,44 +101528,14 @@ if test `eval echo '${'$as_ac_var'}'` = 
-   cat >>confdefs.h <<_ACEOF
- #define `echo "HAVE_$ac_func" | $as_tr_cpp` 1
- _ACEOF
-- ac_XPG2funcs=yes
--else
--  ac_XPG2funcs=no
-+
- fi
- done
- 
--
--    LIBS="$ac_save_LIBS"
--
--    echo "$as_me:$LINENO: checking for XPG2 wchar_t support" >&5
--echo $ECHO_N "checking for XPG2 wchar_t support... $ECHO_C" >&6
--    if test x"$ac_has_iconv_h" = xyes &&
--       test x"$ac_has_langinfo_h" = xyes &&
--       test x"$ac_XPG2funcs" = xyes;
--    then
--      ac_XPG2_wchar_t=yes
--    else
--      ac_XPG2_wchar_t=no
-     fi
--    echo "$as_me:$LINENO: result: $ac_XPG2_wchar_t" >&5
--echo "${ECHO_T}$ac_XPG2_wchar_t" >&6
- 
--    # At the moment, only enable wchar_t specializations if all the
--    # above support is present.
--    if test x"$ac_isoC99_wchar_t" = xyes &&
--       test x"$ac_XPG2_wchar_t" = xyes;
--    then
--      cat >>confdefs.h <<\_ACEOF
--#define _GLIBCXX_USE_WCHAR_T 1
--_ACEOF
- 
--      enable_wchar_t=yes
--    fi
--  fi
--  echo "$as_me:$LINENO: checking for enabled wchar_t specializations" >&5
--echo $ECHO_N "checking for enabled wchar_t specializations... $ECHO_C" >&6
--  echo "$as_me:$LINENO: result: $enable_wchar_t" >&5
--echo "${ECHO_T}$enable_wchar_t" >&6
-+  CXXFLAGS="$ac_save_CXXFLAGS"
- 
- 
-     # For LFS.
-@@ -100234,7 +118230,6 @@ s,@target_os@,$target_os,;t t
- s,@INSTALL_PROGRAM@,$INSTALL_PROGRAM,;t t
- s,@INSTALL_SCRIPT@,$INSTALL_SCRIPT,;t t
- s,@INSTALL_DATA@,$INSTALL_DATA,;t t
--s,@CYGPATH_W@,$CYGPATH_W,;t t
- s,@PACKAGE@,$PACKAGE,;t t
- s,@VERSION@,$VERSION,;t t
- s,@ACLOCAL@,$ACLOCAL,;t t
-@@ -100242,17 +118237,13 @@ s,@AUTOCONF@,$AUTOCONF,;t t
- s,@AUTOMAKE@,$AUTOMAKE,;t t
- s,@AUTOHEADER@,$AUTOHEADER,;t t
- s,@MAKEINFO@,$MAKEINFO,;t t
-+s,@AMTAR@,$AMTAR,;t t
- s,@install_sh@,$install_sh,;t t
- s,@STRIP@,$STRIP,;t t
- s,@ac_ct_STRIP@,$ac_ct_STRIP,;t t
- s,@INSTALL_STRIP_PROGRAM@,$INSTALL_STRIP_PROGRAM,;t t
--s,@mkdir_p@,$mkdir_p,;t t
- s,@AWK@,$AWK,;t t
- s,@SET_MAKE@,$SET_MAKE,;t t
--s,@am__leading_dot@,$am__leading_dot,;t t
--s,@AMTAR@,$AMTAR,;t t
--s,@am__tar@,$am__tar,;t t
--s,@am__untar@,$am__untar,;t t
- s,@glibcxx_builddir@,$glibcxx_builddir,;t t
- s,@glibcxx_srcdir@,$glibcxx_srcdir,;t t
- s,@toplevel_srcdir@,$toplevel_srcdir,;t t
-@@ -100274,9 +118265,11 @@ s,@ac_ct_RANLIB@,$ac_ct_RANLIB,;t t
- s,@MAINTAINER_MODE_TRUE@,$MAINTAINER_MODE_TRUE,;t t
- s,@MAINTAINER_MODE_FALSE@,$MAINTAINER_MODE_FALSE,;t t
- s,@MAINT@,$MAINT,;t t
-+s,@CPP@,$CPP,;t t
-+s,@CPPFLAGS@,$CPPFLAGS,;t t
-+s,@EGREP@,$EGREP,;t t
- s,@LIBTOOL@,$LIBTOOL,;t t
- s,@CXXCPP@,$CXXCPP,;t t
--s,@CPPFLAGS@,$CPPFLAGS,;t t
- s,@enable_shared@,$enable_shared,;t t
- s,@enable_static@,$enable_static,;t t
- s,@GLIBCXX_HOSTED_TRUE@,$GLIBCXX_HOSTED_TRUE,;t t
-@@ -100287,8 +118280,6 @@ s,@glibcxx_PCHFLAGS@,$glibcxx_PCHFLAGS,;
- s,@CSTDIO_H@,$CSTDIO_H,;t t
- s,@BASIC_FILE_H@,$BASIC_FILE_H,;t t
- s,@BASIC_FILE_CC@,$BASIC_FILE_CC,;t t
--s,@CPP@,$CPP,;t t
--s,@EGREP@,$EGREP,;t t
- s,@check_msgfmt@,$check_msgfmt,;t t
- s,@glibcxx_MOFILES@,$glibcxx_MOFILES,;t t
- s,@glibcxx_POFILES@,$glibcxx_POFILES,;t t
-@@ -100813,28 +118804,6 @@ echo "$as_me: error: cannot create direc
-     cat $tmp/config.h
-     rm -f $tmp/config.h
-   fi
--# Compute $ac_file's index in $config_headers.
--_am_stamp_count=1
--for _am_header in $config_headers :; do
--  case $_am_header in
--    $ac_file | $ac_file:* )
--      break ;;
--    * )
--      _am_stamp_count=`expr $_am_stamp_count + 1` ;;
--  esac
--done
--echo "timestamp for $ac_file" >`(dirname $ac_file) 2>/dev/null ||
--$as_expr X$ac_file : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
--	 X$ac_file : 'X\(//\)[^/]' \| \
--	 X$ac_file : 'X\(//\)$' \| \
--	 X$ac_file : 'X\(/\)' \| \
--	 .     : '\(.\)' 2>/dev/null ||
--echo X$ac_file |
--    sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{ s//\1/; q; }
--  	  /^X\(\/\/\)[^/].*/{ s//\1/; q; }
--  	  /^X\(\/\/\)$/{ s//\1/; q; }
--  	  /^X\(\/\).*/{ s//\1/; q; }
--  	  s/.*/./; q'`/stamp-h$_am_stamp_count
- done
- _ACEOF
- cat >>$CONFIG_STATUS <<\_ACEOF
 diff -Nrup --ignore-space-change gcc-4.0.2/libstdc++-v3/configure.host gcc-4.0.2-atmel.0.99.2/libstdc++-v3/configure.host
 --- gcc-4.0.2/libstdc++-v3/configure.host	2005-06-17 02:22:20.000000000 +0200
 +++ gcc-4.0.2-atmel.0.99.2/libstdc++-v3/configure.host	2006-03-28 10:54:09.000000000 +0200