summaryrefslogtreecommitdiff
path: root/packages/tin/tin-1.7.3/m4.patch
blob: 9277f6c1b3dbac30fbf3574a3499980048c8d536 (plain)
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#
# Patch managed by http://www.mn-logistik.de/unsupported/pxa250/patcher
#

--- /dev/null
+++ tin-1.7.3/m4/codeset.m4
@@ -0,0 +1,23 @@
+# codeset.m4 serial AM1 (gettext-0.10.40)
+dnl Copyright (C) 2000-2002 Free Software Foundation, Inc.
+dnl This file is free software, distributed under the terms of the GNU
+dnl General Public License.  As a special exception to the GNU General
+dnl Public License, this file may be distributed as part of a program
+dnl that contains a configuration script generated by Autoconf, under
+dnl the same distribution terms as the rest of that program.
+
+dnl From Bruno Haible.
+
+AC_DEFUN([AM_LANGINFO_CODESET],
+[
+  AC_CACHE_CHECK([for nl_langinfo and CODESET], am_cv_langinfo_codeset,
+    [AC_TRY_LINK([#include <langinfo.h>],
+      [char* cs = nl_langinfo(CODESET);],
+      am_cv_langinfo_codeset=yes,
+      am_cv_langinfo_codeset=no)
+    ])
+  if test $am_cv_langinfo_codeset = yes; then
+    AC_DEFINE(HAVE_LANGINFO_CODESET, 1,
+      [Define if you have <langinfo.h> and nl_langinfo(CODESET).])
+  fi
+])
--- /dev/null
+++ tin-1.7.3/m4/gettext.m4
@@ -0,0 +1,587 @@
+# gettext.m4 serial 17 (gettext-0.11.5)
+dnl Copyright (C) 1995-2002 Free Software Foundation, Inc.
+dnl This file is free software, distributed under the terms of the GNU
+dnl General Public License.  As a special exception to the GNU General
+dnl Public License, this file may be distributed as part of a program
+dnl that contains a configuration script generated by Autoconf, under
+dnl the same distribution terms as the rest of that program.
+dnl
+dnl This file can can be used in projects which are not available under
+dnl the GNU General Public License or the GNU Library General Public
+dnl License but which still want to provide support for the GNU gettext
+dnl functionality.
+dnl Please note that the actual code of the GNU gettext library is covered
+dnl by the GNU Library General Public License, and the rest of the GNU
+dnl gettext package package is covered by the GNU General Public License.
+dnl They are *not* in the public domain.
+
+dnl Authors:
+dnl   Ulrich Drepper <drepper@cygnus.com>, 1995-2000.
+dnl   Bruno Haible <haible@clisp.cons.org>, 2000-2002.
+
+dnl Macro to add for using GNU gettext.
+
+dnl Usage: AM_GNU_GETTEXT([INTLSYMBOL], [NEEDSYMBOL], [INTLDIR]).
+dnl INTLSYMBOL can be one of 'external', 'no-libtool', 'use-libtool'. The
+dnl    default (if it is not specified or empty) is 'no-libtool'.
+dnl    INTLSYMBOL should be 'external' for packages with no intl directory,
+dnl    and 'no-libtool' or 'use-libtool' for packages with an intl directory.
+dnl    If INTLSYMBOL is 'use-libtool', then a libtool library
+dnl    $(top_builddir)/intl/libintl.la will be created (shared and/or static,
+dnl    depending on --{enable,disable}-{shared,static} and on the presence of
+dnl    AM-DISABLE-SHARED). If INTLSYMBOL is 'no-libtool', a static library
+dnl    $(top_builddir)/intl/libintl.a will be created.
+dnl If NEEDSYMBOL is specified and is 'need-ngettext', then GNU gettext
+dnl    implementations (in libc or libintl) without the ngettext() function
+dnl    will be ignored.  If NEEDSYMBOL is specified and is
+dnl    'need-formatstring-macros', then GNU gettext implementations that don't
+dnl    support the ISO C 99 <inttypes.h> formatstring macros will be ignored.
+dnl INTLDIR is used to find the intl libraries.  If empty,
+dnl    the value `$(top_builddir)/intl/' is used.
+dnl
+dnl The result of the configuration is one of three cases:
+dnl 1) GNU gettext, as included in the intl subdirectory, will be compiled
+dnl    and used.
+dnl    Catalog format: GNU --> install in $(datadir)
+dnl    Catalog extension: .mo after installation, .gmo in source tree
+dnl 2) GNU gettext has been found in the system's C library.
+dnl    Catalog format: GNU --> install in $(datadir)
+dnl    Catalog extension: .mo after installation, .gmo in source tree
+dnl 3) No internationalization, always use English msgid.
+dnl    Catalog format: none
+dnl    Catalog extension: none
+dnl If INTLSYMBOL is 'external', only cases 2 and 3 can occur.
+dnl The use of .gmo is historical (it was needed to avoid overwriting the
+dnl GNU format catalogs when building on a platform with an X/Open gettext),
+dnl but we keep it in order not to force irrelevant filename changes on the
+dnl maintainers.
+dnl
+AC_DEFUN([AM_GNU_GETTEXT],
+[
+  dnl Argument checking.
+  ifelse([$1], [], , [ifelse([$1], [external], , [ifelse([$1], [no-libtool], , [ifelse([$1], [use-libtool], ,
+    [errprint([ERROR: invalid first argument to AM_GNU_GETTEXT
+])])])])])
+  ifelse([$2], [], , [ifelse([$2], [need-ngettext], , [ifelse([$2], [need-formatstring-macros], ,
+    [errprint([ERROR: invalid second argument to AM_GNU_GETTEXT
+])])])])
+  define(gt_included_intl, ifelse([$1], [external], [no], [yes]))
+  define(gt_libtool_suffix_prefix, ifelse([$1], [use-libtool], [l], []))
+
+  AC_REQUIRE([AM_PO_SUBDIRS])dnl
+  ifelse(gt_included_intl, yes, [
+    AC_REQUIRE([AM_INTL_SUBDIR])dnl
+  ])
+
+  dnl Prerequisites of AC_LIB_LINKFLAGS_BODY.
+  AC_REQUIRE([AC_LIB_PREPARE_PREFIX])
+  AC_REQUIRE([AC_LIB_RPATH])
+
+  dnl Sometimes libintl requires libiconv, so first search for libiconv.
+  dnl Ideally we would do this search only after the
+  dnl      if test "$USE_NLS" = "yes"; then
+  dnl        if test "$gt_cv_func_gnugettext_libc" != "yes"; then
+  dnl tests. But if configure.in invokes AM_ICONV after AM_GNU_GETTEXT
+  dnl the configure script would need to contain the same shell code
+  dnl again, outside any 'if'. There are two solutions:
+  dnl - Invoke AM_ICONV_LINKFLAGS_BODY here, outside any 'if'.
+  dnl - Control the expansions in more detail using AC_PROVIDE_IFELSE.
+  dnl Since AC_PROVIDE_IFELSE is only in autoconf >= 2.52 and not
+  dnl documented, we avoid it.
+  ifelse(gt_included_intl, yes, , [
+    AC_REQUIRE([AM_ICONV_LINKFLAGS_BODY])
+  ])
+
+  AC_MSG_CHECKING([whether NLS is requested])
+  dnl Default is enabled NLS
+  AC_ARG_ENABLE(nls,
+    [  --disable-nls           do not use Native Language Support],
+    USE_NLS=$enableval, USE_NLS=yes)
+  AC_MSG_RESULT($USE_NLS)
+  AC_SUBST(USE_NLS)
+
+  ifelse(gt_included_intl, yes, [
+    BUILD_INCLUDED_LIBINTL=no
+    USE_INCLUDED_LIBINTL=no
+  ])
+  LIBINTL=
+  LTLIBINTL=
+  POSUB=
+
+  dnl If we use NLS figure out what method
+  if test "$USE_NLS" = "yes"; then
+    gt_use_preinstalled_gnugettext=no
+    ifelse(gt_included_intl, yes, [
+      AC_MSG_CHECKING([whether included gettext is requested])
+      AC_ARG_WITH(included-gettext,
+        [  --with-included-gettext use the GNU gettext library included here],
+        nls_cv_force_use_gnu_gettext=$withval,
+        nls_cv_force_use_gnu_gettext=no)
+      AC_MSG_RESULT($nls_cv_force_use_gnu_gettext)
+
+      nls_cv_use_gnu_gettext="$nls_cv_force_use_gnu_gettext"
+      if test "$nls_cv_force_use_gnu_gettext" != "yes"; then
+    ])
+        dnl User does not insist on using GNU NLS library.  Figure out what
+        dnl to use.  If GNU gettext is available we use this.  Else we have
+        dnl to fall back to GNU NLS library.
+
+        dnl Add a version number to the cache macros.
+        define([gt_api_version], ifelse([$2], [need-formatstring-macros], 3, ifelse([$2], [need-ngettext], 2, 1)))
+        define([gt_cv_func_gnugettext_libc], [gt_cv_func_gnugettext]gt_api_version[_libc])
+        define([gt_cv_func_gnugettext_libintl], [gt_cv_func_gnugettext]gt_api_version[_libintl])
+
+        AC_CACHE_CHECK([for GNU gettext in libc], gt_cv_func_gnugettext_libc,
+         [AC_TRY_LINK([#include <libintl.h>
+]ifelse([$2], [need-formatstring-macros],
+[#ifndef __GNU_GETTEXT_SUPPORTED_REVISION
+#define __GNU_GETTEXT_SUPPORTED_REVISION(major) ((major) == 0 ? 0 : -1)
+#endif
+changequote(,)dnl
+typedef int array [2 * (__GNU_GETTEXT_SUPPORTED_REVISION(0) >= 1) - 1];
+changequote([,])dnl
+], [])[extern int _nl_msg_cat_cntr;
+extern int *_nl_domain_bindings;],
+            [bindtextdomain ("", "");
+return (int) gettext ("")]ifelse([$2], [need-ngettext], [ + (int) ngettext ("", "", 0)], [])[ + _nl_msg_cat_cntr + *_nl_domain_bindings],
+            gt_cv_func_gnugettext_libc=yes,
+            gt_cv_func_gnugettext_libc=no)])
+
+        if test "$gt_cv_func_gnugettext_libc" != "yes"; then
+          dnl Sometimes libintl requires libiconv, so first search for libiconv.
+          ifelse(gt_included_intl, yes, , [
+            AM_ICONV_LINK
+          ])
+          dnl Search for libintl and define LIBINTL, LTLIBINTL and INCINTL
+          dnl accordingly. Don't use AC_LIB_LINKFLAGS_BODY([intl],[iconv])
+          dnl because that would add "-liconv" to LIBINTL and LTLIBINTL
+          dnl even if libiconv doesn't exist.
+          AC_LIB_LINKFLAGS_BODY([intl])
+          AC_CACHE_CHECK([for GNU gettext in libintl],
+            gt_cv_func_gnugettext_libintl,
+           [gt_save_CPPFLAGS="$CPPFLAGS"
+            CPPFLAGS="$CPPFLAGS $INCINTL"
+            gt_save_LIBS="$LIBS"
+            LIBS="$LIBS $LIBINTL"
+            dnl Now see whether libintl exists and does not depend on libiconv.
+            AC_TRY_LINK([#include <libintl.h>
+]ifelse([$2], [need-formatstring-macros],
+[#ifndef __GNU_GETTEXT_SUPPORTED_REVISION
+#define __GNU_GETTEXT_SUPPORTED_REVISION(major) ((major) == 0 ? 0 : -1)
+#endif
+changequote(,)dnl
+typedef int array [2 * (__GNU_GETTEXT_SUPPORTED_REVISION(0) >= 1) - 1];
+changequote([,])dnl
+], [])[extern int _nl_msg_cat_cntr;
+extern
+#ifdef __cplusplus
+"C"
+#endif
+const char *_nl_expand_alias ();],
+              [bindtextdomain ("", "");
+return (int) gettext ("")]ifelse([$2], [need-ngettext], [ + (int) ngettext ("", "", 0)], [])[ + _nl_msg_cat_cntr + *_nl_expand_alias (0)],
+              gt_cv_func_gnugettext_libintl=yes,
+              gt_cv_func_gnugettext_libintl=no)
+            dnl Now see whether libintl exists and depends on libiconv.
+            if test "$gt_cv_func_gnugettext_libintl" != yes && test -n "$LIBICONV"; then
+              LIBS="$LIBS $LIBICONV"
+              AC_TRY_LINK([#include <libintl.h>
+]ifelse([$2], [need-formatstring-macros],
+[#ifndef __GNU_GETTEXT_SUPPORTED_REVISION
+#define __GNU_GETTEXT_SUPPORTED_REVISION(major) ((major) == 0 ? 0 : -1)
+#endif
+changequote(,)dnl
+typedef int array [2 * (__GNU_GETTEXT_SUPPORTED_REVISION(0) >= 1) - 1];
+changequote([,])dnl
+], [])[extern int _nl_msg_cat_cntr;
+extern
+#ifdef __cplusplus
+"C"
+#endif
+const char *_nl_expand_alias ();],
+                [bindtextdomain ("", "");
+return (int) gettext ("")]ifelse([$2], [need-ngettext], [ + (int) ngettext ("", "", 0)], [])[ + _nl_msg_cat_cntr + *_nl_expand_alias (0)],
+               [LIBINTL="$LIBINTL $LIBICONV"
+                LTLIBINTL="$LTLIBINTL $LTLIBICONV"
+                gt_cv_func_gnugettext_libintl=yes
+               ])
+            fi
+            CPPFLAGS="$gt_save_CPPFLAGS"
+            LIBS="$gt_save_LIBS"])
+        fi
+
+        dnl If an already present or preinstalled GNU gettext() is found,
+        dnl use it.  But if this macro is used in GNU gettext, and GNU
+        dnl gettext is already preinstalled in libintl, we update this
+        dnl libintl.  (Cf. the install rule in intl/Makefile.in.)
+        if test "$gt_cv_func_gnugettext_libc" = "yes" \
+           || { test "$gt_cv_func_gnugettext_libintl" = "yes" \
+                && test "$PACKAGE" != gettext; }; then
+          gt_use_preinstalled_gnugettext=yes
+        else
+          dnl Reset the values set by searching for libintl.
+          LIBINTL=
+          LTLIBINTL=
+          INCINTL=
+        fi
+
+    ifelse(gt_included_intl, yes, [
+        if test "$gt_use_preinstalled_gnugettext" != "yes"; then
+          dnl GNU gettext is not found in the C library.
+          dnl Fall back on included GNU gettext library.
+          nls_cv_use_gnu_gettext=yes
+        fi
+      fi
+
+      if test "$nls_cv_use_gnu_gettext" = "yes"; then
+        dnl Mark actions used to generate GNU NLS library.
+        INTLOBJS="\$(GETTOBJS)"
+        BUILD_INCLUDED_LIBINTL=yes
+        USE_INCLUDED_LIBINTL=yes
+        LIBINTL="ifelse([$3],[],\${top_builddir}/intl,[$3])/libintl.[]gt_libtool_suffix_prefix[]a $LIBICONV"
+        LTLIBINTL="ifelse([$3],[],\${top_builddir}/intl,[$3])/libintl.[]gt_libtool_suffix_prefix[]a $LTLIBICONV"
+        LIBS=`echo " $LIBS " | sed -e 's/ -lintl / /' -e 's/^ //' -e 's/ $//'`
+      fi
+
+      if test "$gt_use_preinstalled_gnugettext" = "yes" \
+         || test "$nls_cv_use_gnu_gettext" = "yes"; then
+        dnl Mark actions to use GNU gettext tools.
+        CATOBJEXT=.gmo
+      fi
+    ])
+
+    if test "$gt_use_preinstalled_gnugettext" = "yes" \
+       || test "$nls_cv_use_gnu_gettext" = "yes"; then
+      AC_DEFINE(ENABLE_NLS, 1,
+        [Define to 1 if translation of program messages to the user's native language
+   is requested.])
+    else
+      USE_NLS=no
+    fi
+  fi
+
+  if test "$USE_NLS" = "yes"; then
+
+    if test "$gt_use_preinstalled_gnugettext" = "yes"; then
+      if test "$gt_cv_func_gnugettext_libintl" = "yes"; then
+        AC_MSG_CHECKING([how to link with libintl])
+        AC_MSG_RESULT([$LIBINTL])
+        AC_LIB_APPENDTOVAR([CPPFLAGS], [$INCINTL])
+      fi
+
+      dnl For backward compatibility. Some packages may be using this.
+      AC_DEFINE(HAVE_GETTEXT, 1,
+       [Define if the GNU gettext() function is already present or preinstalled.])
+      AC_DEFINE(HAVE_DCGETTEXT, 1,
+       [Define if the GNU dcgettext() function is already present or preinstalled.])
+    fi
+
+    dnl We need to process the po/ directory.
+    POSUB=po
+  fi
+
+  ifelse(gt_included_intl, yes, [
+    dnl If this is used in GNU gettext we have to set BUILD_INCLUDED_LIBINTL
+    dnl to 'yes' because some of the testsuite requires it.
+    if test "$PACKAGE" = gettext; then
+      BUILD_INCLUDED_LIBINTL=yes
+    fi
+
+    dnl Make all variables we use known to autoconf.
+    AC_SUBST(BUILD_INCLUDED_LIBINTL)
+    AC_SUBST(USE_INCLUDED_LIBINTL)
+    AC_SUBST(CATOBJEXT)
+    AC_SUBST(INTLOBJS)
+
+    dnl For backward compatibility. Some configure.ins may be using this.
+    nls_cv_header_intl=
+    nls_cv_header_libgt=
+
+    dnl For backward compatibility. Some Makefiles may be using this.
+    DATADIRNAME=share
+    AC_SUBST(DATADIRNAME)
+
+    dnl For backward compatibility. Some Makefiles may be using this.
+    INSTOBJEXT=.mo
+    AC_SUBST(INSTOBJEXT)
+
+    dnl For backward compatibility. Some Makefiles may be using this.
+    GENCAT=gencat
+    AC_SUBST(GENCAT)
+
+    dnl Enable libtool support if the surrounding package wishes it.
+    INTL_LIBTOOL_SUFFIX_PREFIX=gt_libtool_suffix_prefix
+    AC_SUBST(INTL_LIBTOOL_SUFFIX_PREFIX)
+  ])
+
+  dnl For backward compatibility. Some Makefiles may be using this.
+  INTLLIBS="$LIBINTL"
+  AC_SUBST(INTLLIBS)
+
+  dnl Make all documented variables known to autoconf.
+  AC_SUBST(LIBINTL)
+  AC_SUBST(LTLIBINTL)
+  AC_SUBST(POSUB)
+])
+
+
+dnl Checks for all prerequisites of the po subdirectory,
+dnl except for USE_NLS.
+AC_DEFUN([AM_PO_SUBDIRS],
+[
+  AC_REQUIRE([AC_PROG_MAKE_SET])dnl
+  AC_REQUIRE([AC_PROG_INSTALL])dnl
+  AC_REQUIRE([AM_MKINSTALLDIRS])dnl
+
+  dnl Perform the following tests also if --disable-nls has been given,
+  dnl because they are needed for "make dist" to work.
+
+  dnl Search for GNU msgfmt in the PATH.
+  dnl The first test excludes Solaris msgfmt and early GNU msgfmt versions.
+  dnl The second test excludes FreeBSD msgfmt.
+  AM_PATH_PROG_WITH_TEST(MSGFMT, msgfmt,
+    [$ac_dir/$ac_word --statistics /dev/null >/dev/null 2>&1 &&
+     (if $ac_dir/$ac_word --statistics /dev/null 2>&1 >/dev/null | grep usage >/dev/null; then exit 1; else exit 0; fi)],
+    :)
+  AC_PATH_PROG(GMSGFMT, gmsgfmt, $MSGFMT)
+
+  dnl Search for GNU xgettext 0.11 or newer in the PATH.
+  dnl The first test excludes Solaris xgettext and early GNU xgettext versions.
+  dnl The second test excludes FreeBSD xgettext.
+  AM_PATH_PROG_WITH_TEST(XGETTEXT, xgettext,
+    [$ac_dir/$ac_word --omit-header --copyright-holder= /dev/null >/dev/null 2>&1 &&
+     (if $ac_dir/$ac_word --omit-header --copyright-holder= /dev/null 2>&1 >/dev/null | grep usage >/dev/null; then exit 1; else exit 0; fi)],
+    :)
+  dnl Remove leftover from FreeBSD xgettext call.
+  rm -f messages.po
+
+  dnl Search for GNU msgmerge 0.11 or newer in the PATH.
+  AM_PATH_PROG_WITH_TEST(MSGMERGE, msgmerge,
+    [$ac_dir/$ac_word --update -q /dev/null /dev/null >/dev/null 2>&1], :)
+
+  dnl This could go away some day; the PATH_PROG_WITH_TEST already does it.
+  dnl Test whether we really found GNU msgfmt.
+  if test "$GMSGFMT" != ":"; then
+    dnl If it is no GNU msgfmt we define it as : so that the
+    dnl Makefiles still can work.
+    if $GMSGFMT --statistics /dev/null >/dev/null 2>&1 &&
+       (if $GMSGFMT --statistics /dev/null 2>&1 >/dev/null | grep usage >/dev/null; then exit 1; else exit 0; fi); then
+      : ;
+    else
+      GMSGFMT=`echo "$GMSGFMT" | sed -e 's,^.*/,,'`
+      AC_MSG_RESULT(
+        [found $GMSGFMT program is not GNU msgfmt; ignore it])
+      GMSGFMT=":"
+    fi
+  fi
+
+  dnl This could go away some day; the PATH_PROG_WITH_TEST already does it.
+  dnl Test whether we really found GNU xgettext.
+  if test "$XGETTEXT" != ":"; then
+    dnl If it is no GNU xgettext we define it as : so that the
+    dnl Makefiles still can work.
+    if $XGETTEXT --omit-header --copyright-holder= /dev/null >/dev/null 2>&1 &&
+       (if $XGETTEXT --omit-header --copyright-holder= /dev/null 2>&1 >/dev/null | grep usage >/dev/null; then exit 1; else exit 0; fi); then
+      : ;
+    else
+      AC_MSG_RESULT(
+        [found xgettext program is not GNU xgettext; ignore it])
+      XGETTEXT=":"
+    fi
+    dnl Remove leftover from FreeBSD xgettext call.
+    rm -f messages.po
+  fi
+
+  AC_OUTPUT_COMMANDS([
+    for ac_file in $CONFIG_FILES; do
+      # Support "outfile[:infile[:infile...]]"
+      case "$ac_file" in
+        *:*) ac_file=`echo "$ac_file"|sed 's%:.*%%'` ;;
+      esac
+      # PO directories have a Makefile.in generated from Makefile.in.in.
+      case "$ac_file" in */Makefile.in)
+        # Adjust a relative srcdir.
+        ac_dir=`echo "$ac_file"|sed 's%/[^/][^/]*$%%'`
+        ac_dir_suffix="/`echo "$ac_dir"|sed 's%^\./%%'`"
+        ac_dots=`echo "$ac_dir_suffix"|sed 's%/[^/]*%../%g'`
+        # In autoconf-2.13 it is called $ac_given_srcdir.
+        # In autoconf-2.50 it is called $srcdir.
+        test -n "$ac_given_srcdir" || ac_given_srcdir="$srcdir"
+        case "$ac_given_srcdir" in
+          .)  top_srcdir=`echo $ac_dots|sed 's%/$%%'` ;;
+          /*) top_srcdir="$ac_given_srcdir" ;;
+          *)  top_srcdir="$ac_dots$ac_given_srcdir" ;;
+        esac
+        if test -f "$ac_given_srcdir/$ac_dir/POTFILES.in"; then
+          rm -f "$ac_dir/POTFILES"
+          test -n "$as_me" && echo "$as_me: creating $ac_dir/POTFILES" || echo "creating $ac_dir/POTFILES"
+          cat "$ac_given_srcdir/$ac_dir/POTFILES.in" | sed -e "/^#/d" -e "/^[ 	]*\$/d" -e "s,.*,     $top_srcdir/& \\\\," | sed -e "\$s/\(.*\) \\\\/\1/" > "$ac_dir/POTFILES"
+          # ALL_LINGUAS, POFILES, GMOFILES, UPDATEPOFILES, DUMMYPOFILES depend
+          # on $ac_dir but don't depend on user-specified configuration
+          # parameters.
+          if test -f "$ac_given_srcdir/$ac_dir/LINGUAS"; then
+            # The LINGUAS file contains the set of available languages.
+            if test -n "$ALL_LINGUAS"; then
+              test -n "$as_me" && echo "$as_me: setting ALL_LINGUAS in configure.in is obsolete" || echo "setting ALL_LINGUAS in configure.in is obsolete"
+            fi
+            ALL_LINGUAS_=`sed -e "/^#/d" "$ac_given_srcdir/$ac_dir/LINGUAS"`
+            # Hide the ALL_LINGUAS assigment from automake.
+            eval 'ALL_LINGUAS''=$ALL_LINGUAS_'
+          fi
+          case "$ac_given_srcdir" in
+            .) srcdirpre= ;;
+            *) srcdirpre='$(srcdir)/' ;;
+          esac
+          POFILES=
+          GMOFILES=
+          UPDATEPOFILES=
+          DUMMYPOFILES=
+          for lang in $ALL_LINGUAS; do
+            POFILES="$POFILES $srcdirpre$lang.po"
+            GMOFILES="$GMOFILES $srcdirpre$lang.gmo"
+            UPDATEPOFILES="$UPDATEPOFILES $lang.po-update"
+            DUMMYPOFILES="$DUMMYPOFILES $lang.nop"
+          done
+          # CATALOGS depends on both $ac_dir and the user's LINGUAS
+          # environment variable.
+          INST_LINGUAS=
+          if test -n "$ALL_LINGUAS"; then
+            for presentlang in $ALL_LINGUAS; do
+              useit=no
+              if test "%UNSET%" != "$LINGUAS"; then
+                desiredlanguages="$LINGUAS"
+              else
+                desiredlanguages="$ALL_LINGUAS"
+              fi
+              for desiredlang in $desiredlanguages; do
+                # Use the presentlang catalog if desiredlang is
+                #   a. equal to presentlang, or
+                #   b. a variant of presentlang (because in this case,
+                #      presentlang can be used as a fallback for messages
+                #      which are not translated in the desiredlang catalog).
+                case "$desiredlang" in
+                  "$presentlang"*) useit=yes;;
+                esac
+              done
+              if test $useit = yes; then
+                INST_LINGUAS="$INST_LINGUAS $presentlang"
+              fi
+            done
+          fi
+          CATALOGS=
+          if test -n "$INST_LINGUAS"; then
+            for lang in $INST_LINGUAS; do
+              CATALOGS="$CATALOGS $lang.gmo"
+            done
+          fi
+          test -n "$as_me" && echo "$as_me: creating $ac_dir/Makefile" || echo "creating $ac_dir/Makefile"
+          sed -e "/^POTFILES =/r $ac_dir/POTFILES" -e "/^# Makevars/r $ac_given_srcdir/$ac_dir/Makevars" -e "s|@POFILES@|$POFILES|g" -e "s|@GMOFILES@|$GMOFILES|g" -e "s|@UPDATEPOFILES@|$UPDATEPOFILES|g" -e "s|@DUMMYPOFILES@|$DUMMYPOFILES|g" -e "s|@CATALOGS@|$CATALOGS|g" "$ac_dir/Makefile.in" > "$ac_dir/Makefile"
+          for f in "$ac_given_srcdir/$ac_dir"/Rules-*; do
+            if test -f "$f"; then
+              case "$f" in
+                *.orig | *.bak | *~) ;;
+                *) cat "$f" >> "$ac_dir/Makefile" ;;
+              esac
+            fi
+          done
+        fi
+        ;;
+      esac
+    done],
+   [# Capture the value of obsolete ALL_LINGUAS because we need it to compute
+    # POFILES, GMOFILES, UPDATEPOFILES, DUMMYPOFILES, CATALOGS. But hide it
+    # from automake.
+    eval 'ALL_LINGUAS''="$ALL_LINGUAS"'
+    # Capture the value of LINGUAS because we need it to compute CATALOGS.
+    LINGUAS="${LINGUAS-%UNSET%}"
+   ])
+])
+
+
+dnl Checks for all prerequisites of the intl subdirectory,
+dnl except for INTL_LIBTOOL_SUFFIX_PREFIX (and possibly LIBTOOL), INTLOBJS,
+dnl            USE_INCLUDED_LIBINTL, BUILD_INCLUDED_LIBINTL.
+AC_DEFUN([AM_INTL_SUBDIR],
+[
+  AC_REQUIRE([AC_PROG_INSTALL])dnl
+  AC_REQUIRE([AM_MKINSTALLDIRS])dnl
+  AC_REQUIRE([AC_PROG_CC])dnl
+  AC_REQUIRE([AC_CANONICAL_HOST])dnl
+  AC_REQUIRE([AC_PROG_RANLIB])dnl
+  AC_REQUIRE([AC_ISC_POSIX])dnl
+  AC_REQUIRE([AC_HEADER_STDC])dnl
+  AC_REQUIRE([AC_C_CONST])dnl
+  AC_REQUIRE([AC_C_INLINE])dnl
+  AC_REQUIRE([AC_TYPE_OFF_T])dnl
+  AC_REQUIRE([AC_TYPE_SIZE_T])dnl
+  AC_REQUIRE([AC_FUNC_ALLOCA])dnl
+  AC_REQUIRE([AC_FUNC_MMAP])dnl
+  AC_REQUIRE([jm_GLIBC21])dnl
+  AC_REQUIRE([gt_INTDIV0])dnl
+  AC_REQUIRE([jm_AC_TYPE_UINTMAX_T])dnl
+  AC_REQUIRE([gt_HEADER_INTTYPES_H])dnl
+  AC_REQUIRE([gt_INTTYPES_PRI])dnl
+
+  AC_CHECK_HEADERS([argz.h limits.h locale.h nl_types.h malloc.h stddef.h \
+stdlib.h string.h unistd.h sys/param.h])
+  AC_CHECK_FUNCS([feof_unlocked fgets_unlocked getc_unlocked getcwd getegid \
+geteuid getgid getuid mempcpy munmap putenv setenv setlocale stpcpy \
+strcasecmp strdup strtoul tsearch __argz_count __argz_stringify __argz_next])
+
+  AM_ICONV
+  AM_LANGINFO_CODESET
+  if test $ac_cv_header_locale_h = yes; then
+    AM_LC_MESSAGES
+  fi
+
+  dnl intl/plural.c is generated from intl/plural.y. It requires bison,
+  dnl because plural.y uses bison specific features. It requires at least
+  dnl bison-1.26 because earlier versions generate a plural.c that doesn't
+  dnl compile.
+  dnl bison is only needed for the maintainer (who touches plural.y). But in
+  dnl order to avoid separate Makefiles or --enable-maintainer-mode, we put
+  dnl the rule in general Makefile. Now, some people carelessly touch the
+  dnl files or have a broken "make" program, hence the plural.c rule will
+  dnl sometimes fire. To avoid an error, defines BISON to ":" if it is not
+  dnl present or too old.
+  AC_CHECK_PROGS([INTLBISON], [bison])
+  if test -z "$INTLBISON"; then
+    ac_verc_fail=yes
+  else
+    dnl Found it, now check the version.
+    AC_MSG_CHECKING([version of bison])
+changequote(<<,>>)dnl
+    ac_prog_version=`$INTLBISON --version 2>&1 | sed -n 's/^.*GNU Bison.* \([0-9]*\.[0-9.]*\).*$/\1/p'`
+    case $ac_prog_version in
+      '') ac_prog_version="v. ?.??, bad"; ac_verc_fail=yes;;
+      1.2[6-9]* | 1.[3-9][0-9]* | [2-9].*)
+changequote([,])dnl
+         ac_prog_version="$ac_prog_version, ok"; ac_verc_fail=no;;
+      *) ac_prog_version="$ac_prog_version, bad"; ac_verc_fail=yes;;
+    esac
+    AC_MSG_RESULT([$ac_prog_version])
+  fi
+  if test $ac_verc_fail = yes; then
+    INTLBISON=:
+  fi
+])
+
+
+AC_DEFUN([AM_MKINSTALLDIRS],
+[
+  dnl If the AC_CONFIG_AUX_DIR macro for autoconf is used we possibly
+  dnl find the mkinstalldirs script in another subdir but $(top_srcdir).
+  dnl Try to locate is.
+  MKINSTALLDIRS=
+  if test -n "$ac_aux_dir"; then
+    MKINSTALLDIRS="$ac_aux_dir/mkinstalldirs"
+  fi
+  if test -z "$MKINSTALLDIRS"; then
+    MKINSTALLDIRS="\$(top_srcdir)/mkinstalldirs"
+  fi
+  AC_SUBST(MKINSTALLDIRS)
+])
+
+
+dnl Usage: AM_GNU_GETTEXT_VERSION([gettext-version])
+AC_DEFUN([AM_GNU_GETTEXT_VERSION], [])
--- /dev/null
+++ tin-1.7.3/m4/glibc21.m4
@@ -0,0 +1,32 @@
+# glibc21.m4 serial 2 (fileutils-4.1.3, gettext-0.10.40)
+dnl Copyright (C) 2000-2002 Free Software Foundation, Inc.
+dnl This file is free software, distributed under the terms of the GNU
+dnl General Public License.  As a special exception to the GNU General
+dnl Public License, this file may be distributed as part of a program
+dnl that contains a configuration script generated by Autoconf, under
+dnl the same distribution terms as the rest of that program.
+
+# Test for the GNU C Library, version 2.1 or newer.
+# From Bruno Haible.
+
+AC_DEFUN([jm_GLIBC21],
+  [
+    AC_CACHE_CHECK(whether we are using the GNU C Library 2.1 or newer,
+      ac_cv_gnu_library_2_1,
+      [AC_EGREP_CPP([Lucky GNU user],
+	[
+#include <features.h>
+#ifdef __GNU_LIBRARY__
+ #if (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 1) || (__GLIBC__ > 2)
+  Lucky GNU user
+ #endif
+#endif
+	],
+	ac_cv_gnu_library_2_1=yes,
+	ac_cv_gnu_library_2_1=no)
+      ]
+    )
+    AC_SUBST(GLIBC21)
+    GLIBC21="$ac_cv_gnu_library_2_1"
+  ]
+)
--- /dev/null
+++ tin-1.7.3/m4/iconv.m4
@@ -0,0 +1,103 @@
+# iconv.m4 serial AM4 (gettext-0.11.3)
+dnl Copyright (C) 2000-2002 Free Software Foundation, Inc.
+dnl This file is free software, distributed under the terms of the GNU
+dnl General Public License.  As a special exception to the GNU General
+dnl Public License, this file may be distributed as part of a program
+dnl that contains a configuration script generated by Autoconf, under
+dnl the same distribution terms as the rest of that program.
+
+dnl From Bruno Haible.
+
+AC_DEFUN([AM_ICONV_LINKFLAGS_BODY],
+[
+  dnl Prerequisites of AC_LIB_LINKFLAGS_BODY.
+  AC_REQUIRE([AC_LIB_PREPARE_PREFIX])
+  AC_REQUIRE([AC_LIB_RPATH])
+
+  dnl Search for libiconv and define LIBICONV, LTLIBICONV and INCICONV
+  dnl accordingly.
+  AC_LIB_LINKFLAGS_BODY([iconv])
+])
+
+AC_DEFUN([AM_ICONV_LINK],
+[
+  dnl Some systems have iconv in libc, some have it in libiconv (OSF/1 and
+  dnl those with the standalone portable GNU libiconv installed).
+
+  dnl Search for libiconv and define LIBICONV, LTLIBICONV and INCICONV
+  dnl accordingly.
+  AC_REQUIRE([AM_ICONV_LINKFLAGS_BODY])
+
+  dnl Add $INCICONV to CPPFLAGS before performing the following checks,
+  dnl because if the user has installed libiconv and not disabled its use
+  dnl via --without-libiconv-prefix, he wants to use it. The first
+  dnl AC_TRY_LINK will then fail, the second AC_TRY_LINK will succeed.
+  am_save_CPPFLAGS="$CPPFLAGS"
+  AC_LIB_APPENDTOVAR([CPPFLAGS], [$INCICONV])
+
+  AC_CACHE_CHECK(for iconv, am_cv_func_iconv, [
+    am_cv_func_iconv="no, consider installing GNU libiconv"
+    am_cv_lib_iconv=no
+    AC_TRY_LINK([#include <stdlib.h>
+#include <iconv.h>],
+      [iconv_t cd = iconv_open("","");
+       iconv(cd,NULL,NULL,NULL,NULL);
+       iconv_close(cd);],
+      am_cv_func_iconv=yes)
+    if test "$am_cv_func_iconv" != yes; then
+      am_save_LIBS="$LIBS"
+      LIBS="$LIBS $LIBICONV"
+      AC_TRY_LINK([#include <stdlib.h>
+#include <iconv.h>],
+        [iconv_t cd = iconv_open("","");
+         iconv(cd,NULL,NULL,NULL,NULL);
+         iconv_close(cd);],
+        am_cv_lib_iconv=yes
+        am_cv_func_iconv=yes)
+      LIBS="$am_save_LIBS"
+    fi
+  ])
+  if test "$am_cv_func_iconv" = yes; then
+    AC_DEFINE(HAVE_ICONV, 1, [Define if you have the iconv() function.])
+  fi
+  if test "$am_cv_lib_iconv" = yes; then
+    AC_MSG_CHECKING([how to link with libiconv])
+    AC_MSG_RESULT([$LIBICONV])
+  else
+    dnl If $LIBICONV didn't lead to a usable library, we don't need $INCICONV
+    dnl either.
+    CPPFLAGS="$am_save_CPPFLAGS"
+    LIBICONV=
+    LTLIBICONV=
+  fi
+  AC_SUBST(LIBICONV)
+  AC_SUBST(LTLIBICONV)
+])
+
+AC_DEFUN([AM_ICONV],
+[
+  AM_ICONV_LINK
+  if test "$am_cv_func_iconv" = yes; then
+    AC_MSG_CHECKING([for iconv declaration])
+    AC_CACHE_VAL(am_cv_proto_iconv, [
+      AC_TRY_COMPILE([
+#include <stdlib.h>
+#include <iconv.h>
+extern
+#ifdef __cplusplus
+"C"
+#endif
+#if defined(__STDC__) || defined(__cplusplus)
+size_t iconv (iconv_t cd, char * *inbuf, size_t *inbytesleft, char * *outbuf, size_t *outbytesleft);
+#else
+size_t iconv();
+#endif
+], [], am_cv_proto_iconv_arg1="", am_cv_proto_iconv_arg1="const")
+      am_cv_proto_iconv="extern size_t iconv (iconv_t cd, $am_cv_proto_iconv_arg1 char * *inbuf, size_t *inbytesleft, char * *outbuf, size_t *outbytesleft);"])
+    am_cv_proto_iconv=`echo "[$]am_cv_proto_iconv" | tr -s ' ' | sed -e 's/( /(/'`
+    AC_MSG_RESULT([$]{ac_t:-
+         }[$]am_cv_proto_iconv)
+    AC_DEFINE_UNQUOTED(ICONV_CONST, $am_cv_proto_iconv_arg1,
+      [Define as const if the declaration of iconv() needs const.])
+  fi
+])
--- /dev/null
+++ tin-1.7.3/m4/intdiv0.m4
@@ -0,0 +1,72 @@
+# intdiv0.m4 serial 1 (gettext-0.11.3)
+dnl Copyright (C) 2002 Free Software Foundation, Inc.
+dnl This file is free software, distributed under the terms of the GNU
+dnl General Public License.  As a special exception to the GNU General
+dnl Public License, this file may be distributed as part of a program
+dnl that contains a configuration script generated by Autoconf, under
+dnl the same distribution terms as the rest of that program.
+
+dnl From Bruno Haible.
+
+AC_DEFUN([gt_INTDIV0],
+[
+  AC_REQUIRE([AC_PROG_CC])dnl
+  AC_REQUIRE([AC_CANONICAL_HOST])dnl
+
+  AC_CACHE_CHECK([whether integer division by zero raises SIGFPE],
+    gt_cv_int_divbyzero_sigfpe,
+    [
+      AC_TRY_RUN([
+#include <stdlib.h>
+#include <signal.h>
+
+static void
+#ifdef __cplusplus
+sigfpe_handler (int sig)
+#else
+sigfpe_handler (sig) int sig;
+#endif
+{
+  /* Exit with code 0 if SIGFPE, with code 1 if any other signal.  */
+  exit (sig != SIGFPE);
+}
+
+int x = 1;
+int y = 0;
+int z;
+int nan;
+
+int main ()
+{
+  signal (SIGFPE, sigfpe_handler);
+/* IRIX and AIX (when "xlc -qcheck" is used) yield signal SIGTRAP.  */
+#if (defined (__sgi) || defined (_AIX)) && defined (SIGTRAP)
+  signal (SIGTRAP, sigfpe_handler);
+#endif
+/* Linux/SPARC yields signal SIGILL.  */
+#if defined (__sparc__) && defined (__linux__)
+  signal (SIGILL, sigfpe_handler);
+#endif
+
+  z = x / y;
+  nan = y / y;
+  exit (1);
+}
+], gt_cv_int_divbyzero_sigfpe=yes, gt_cv_int_divbyzero_sigfpe=no,
+        [
+          # Guess based on the CPU.
+          case "$host_cpu" in
+            alpha* | i[34567]86 | m68k | s390*)
+              gt_cv_int_divbyzero_sigfpe="guessing yes";;
+            *)
+              gt_cv_int_divbyzero_sigfpe="guessing no";;
+          esac
+        ])
+    ])
+  case "$gt_cv_int_divbyzero_sigfpe" in
+    *yes) value=1;;
+    *) value=0;;
+  esac
+  AC_DEFINE_UNQUOTED(INTDIV0_RAISES_SIGFPE, $value,
+    [Define if integer division by zero raises signal SIGFPE.])
+])
--- /dev/null
+++ tin-1.7.3/m4/inttypes_h.m4
@@ -0,0 +1,28 @@
+# inttypes_h.m4 serial 4 (gettext-0.11.4)
+dnl Copyright (C) 1997-2002 Free Software Foundation, Inc.
+dnl This file is free software, distributed under the terms of the GNU
+dnl General Public License.  As a special exception to the GNU General
+dnl Public License, this file may be distributed as part of a program
+dnl that contains a configuration script generated by Autoconf, under
+dnl the same distribution terms as the rest of that program.
+
+dnl From Paul Eggert.
+
+# Define HAVE_INTTYPES_H_WITH_UINTMAX if <inttypes.h> exists,
+# doesn't clash with <sys/types.h>, and declares uintmax_t.
+
+AC_DEFUN([jm_AC_HEADER_INTTYPES_H],
+[
+  AC_CACHE_CHECK([for inttypes.h], jm_ac_cv_header_inttypes_h,
+  [AC_TRY_COMPILE(
+    [#include <sys/types.h>
+#include <inttypes.h>],
+    [uintmax_t i = (uintmax_t) -1;],
+    jm_ac_cv_header_inttypes_h=yes,
+    jm_ac_cv_header_inttypes_h=no)])
+  if test $jm_ac_cv_header_inttypes_h = yes; then
+    AC_DEFINE_UNQUOTED(HAVE_INTTYPES_H_WITH_UINTMAX, 1,
+[Define if <inttypes.h> exists, doesn't clash with <sys/types.h>,
+   and declares uintmax_t. ])
+  fi
+])
--- /dev/null
+++ tin-1.7.3/m4/inttypes.m4
@@ -0,0 +1,27 @@
+# inttypes.m4 serial 1 (gettext-0.11.4)
+dnl Copyright (C) 1997-2002 Free Software Foundation, Inc.
+dnl This file is free software, distributed under the terms of the GNU
+dnl General Public License.  As a special exception to the GNU General
+dnl Public License, this file may be distributed as part of a program
+dnl that contains a configuration script generated by Autoconf, under
+dnl the same distribution terms as the rest of that program.
+
+dnl From Paul Eggert.
+
+# Define HAVE_INTTYPES_H if <inttypes.h> exists and doesn't clash with
+# <sys/types.h>.
+
+AC_DEFUN([gt_HEADER_INTTYPES_H],
+[
+  AC_CACHE_CHECK([for inttypes.h], gt_cv_header_inttypes_h,
+  [
+    AC_TRY_COMPILE(
+      [#include <sys/types.h>
+#include <inttypes.h>],
+      [], gt_cv_header_inttypes_h=yes, gt_cv_header_inttypes_h=no)
+  ])
+  if test $gt_cv_header_inttypes_h = yes; then
+    AC_DEFINE_UNQUOTED(HAVE_INTTYPES_H, 1,
+      [Define if <inttypes.h> exists and doesn't clash with <sys/types.h>.])
+  fi
+])
--- /dev/null
+++ tin-1.7.3/m4/inttypes-pri.m4
@@ -0,0 +1,32 @@
+# inttypes-pri.m4 serial 1 (gettext-0.11.4)
+dnl Copyright (C) 1997-2002 Free Software Foundation, Inc.
+dnl This file is free software, distributed under the terms of the GNU
+dnl General Public License.  As a special exception to the GNU General
+dnl Public License, this file may be distributed as part of a program
+dnl that contains a configuration script generated by Autoconf, under
+dnl the same distribution terms as the rest of that program.
+
+dnl From Bruno Haible.
+
+# Define PRI_MACROS_BROKEN if <inttypes.h> exists and defines the PRI*
+# macros to non-string values.  This is the case on AIX 4.3.3.
+
+AC_DEFUN([gt_INTTYPES_PRI],
+[
+  AC_REQUIRE([gt_HEADER_INTTYPES_H])
+  if test $gt_cv_header_inttypes_h = yes; then
+    AC_CACHE_CHECK([whether the inttypes.h PRIxNN macros are broken],
+      gt_cv_inttypes_pri_broken,
+      [
+        AC_TRY_COMPILE([#include <inttypes.h>
+#ifdef PRId32
+char *p = PRId32;
+#endif
+], [], gt_cv_inttypes_pri_broken=no, gt_cv_inttypes_pri_broken=yes)
+      ])
+  fi
+  if test "$gt_cv_inttypes_pri_broken" = yes; then
+    AC_DEFINE_UNQUOTED(PRI_MACROS_BROKEN, 1,
+      [Define if <inttypes.h> exists and defines unusable PRI* macros.])
+  fi
+])
--- /dev/null
+++ tin-1.7.3/m4/isc-posix.m4
@@ -0,0 +1,26 @@
+# isc-posix.m4 serial 2 (gettext-0.11.2)
+dnl Copyright (C) 1995-2002 Free Software Foundation, Inc.
+dnl This file is free software, distributed under the terms of the GNU
+dnl General Public License.  As a special exception to the GNU General
+dnl Public License, this file may be distributed as part of a program
+dnl that contains a configuration script generated by Autoconf, under
+dnl the same distribution terms as the rest of that program.
+
+# This file is not needed with autoconf-2.53 and newer.  Remove it in 2005.
+
+# This test replaces the one in autoconf.
+# Currently this macro should have the same name as the autoconf macro
+# because gettext's gettext.m4 (distributed in the automake package)
+# still uses it.  Otherwise, the use in gettext.m4 makes autoheader
+# give these diagnostics:
+#   configure.in:556: AC_TRY_COMPILE was called before AC_ISC_POSIX
+#   configure.in:556: AC_TRY_RUN was called before AC_ISC_POSIX
+
+undefine([AC_ISC_POSIX])
+
+AC_DEFUN([AC_ISC_POSIX],
+  [
+    dnl This test replaces the obsolescent AC_ISC_POSIX kludge.
+    AC_CHECK_LIB(cposix, strerror, [LIBS="$LIBS -lcposix"])
+  ]
+)
--- /dev/null
+++ tin-1.7.3/m4/lcmessage.m4
@@ -0,0 +1,32 @@
+# lcmessage.m4 serial 3 (gettext-0.11.3)
+dnl Copyright (C) 1995-2002 Free Software Foundation, Inc.
+dnl This file is free software, distributed under the terms of the GNU
+dnl General Public License.  As a special exception to the GNU General
+dnl Public License, this file may be distributed as part of a program
+dnl that contains a configuration script generated by Autoconf, under
+dnl the same distribution terms as the rest of that program.
+dnl
+dnl This file can can be used in projects which are not available under
+dnl the GNU General Public License or the GNU Library General Public
+dnl License but which still want to provide support for the GNU gettext
+dnl functionality.
+dnl Please note that the actual code of the GNU gettext library is covered
+dnl by the GNU Library General Public License, and the rest of the GNU
+dnl gettext package package is covered by the GNU General Public License.
+dnl They are *not* in the public domain.
+
+dnl Authors:
+dnl   Ulrich Drepper <drepper@cygnus.com>, 1995.
+
+# Check whether LC_MESSAGES is available in <locale.h>.
+
+AC_DEFUN([AM_LC_MESSAGES],
+[
+  AC_CACHE_CHECK([for LC_MESSAGES], am_cv_val_LC_MESSAGES,
+    [AC_TRY_LINK([#include <locale.h>], [return LC_MESSAGES],
+       am_cv_val_LC_MESSAGES=yes, am_cv_val_LC_MESSAGES=no)])
+  if test $am_cv_val_LC_MESSAGES = yes; then
+    AC_DEFINE(HAVE_LC_MESSAGES, 1,
+      [Define if your <locale.h> file defines LC_MESSAGES.])
+  fi
+])
--- /dev/null
+++ tin-1.7.3/m4/lib-ld.m4
@@ -0,0 +1,97 @@
+# lib-ld.m4 serial 1 (gettext-0.11)
+dnl Copyright (C) 1996-2002 Free Software Foundation, Inc.
+dnl This file is free software, distributed under the terms of the GNU
+dnl General Public License.  As a special exception to the GNU General
+dnl Public License, this file may be distributed as part of a program
+dnl that contains a configuration script generated by Autoconf, under
+dnl the same distribution terms as the rest of that program.
+
+dnl Subroutines of libtool.m4,
+dnl with replacements s/AC_/AC_LIB/ and s/lt_cv/acl_cv/ to avoid collision
+dnl with libtool.m4.
+
+dnl From libtool-1.4. Sets the variable with_gnu_ld to yes or no.
+AC_DEFUN([AC_LIB_PROG_LD_GNU],
+[AC_CACHE_CHECK([if the linker ($LD) is GNU ld], acl_cv_prog_gnu_ld,
+[# I'd rather use --version here, but apparently some GNU ld's only accept -v.
+if $LD -v 2>&1 </dev/null | egrep '(GNU|with BFD)' 1>&5; then
+  acl_cv_prog_gnu_ld=yes
+else
+  acl_cv_prog_gnu_ld=no
+fi])
+with_gnu_ld=$acl_cv_prog_gnu_ld
+])
+
+dnl From libtool-1.4. Sets the variable LD.
+AC_DEFUN([AC_LIB_PROG_LD],
+[AC_ARG_WITH(gnu-ld,
+[  --with-gnu-ld           assume the C compiler uses GNU ld [default=no]],
+test "$withval" = no || with_gnu_ld=yes, with_gnu_ld=no)
+AC_REQUIRE([AC_PROG_CC])dnl
+AC_REQUIRE([AC_CANONICAL_HOST])dnl
+ac_prog=ld
+if test "$GCC" = yes; then
+  # Check if gcc -print-prog-name=ld gives a path.
+  AC_MSG_CHECKING([for ld used by GCC])
+  case $host in
+  *-*-mingw*)
+    # gcc leaves a trailing carriage return which upsets mingw
+    ac_prog=`($CC -print-prog-name=ld) 2>&5 | tr -d '\015'` ;;
+  *)
+    ac_prog=`($CC -print-prog-name=ld) 2>&5` ;;
+  esac
+  case $ac_prog in
+    # Accept absolute paths.
+    [[\\/]* | [A-Za-z]:[\\/]*)]
+      [re_direlt='/[^/][^/]*/\.\./']
+      # Canonicalize the path of ld
+      ac_prog=`echo $ac_prog| sed 's%\\\\%/%g'`
+      while echo $ac_prog | grep "$re_direlt" > /dev/null 2>&1; do
+	ac_prog=`echo $ac_prog| sed "s%$re_direlt%/%"`
+      done
+      test -z "$LD" && LD="$ac_prog"
+      ;;
+  "")
+    # If it fails, then pretend we aren't using GCC.
+    ac_prog=ld
+    ;;
+  *)
+    # If it is relative, then search for the first ld in PATH.
+    with_gnu_ld=unknown
+    ;;
+  esac
+elif test "$with_gnu_ld" = yes; then
+  AC_MSG_CHECKING([for GNU ld])
+else
+  AC_MSG_CHECKING([for non-GNU ld])
+fi
+AC_CACHE_VAL(acl_cv_path_LD,
+[if test -z "$LD"; then
+  IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS="${IFS}${PATH_SEPARATOR-:}"
+  for ac_dir in $PATH; do
+    test -z "$ac_dir" && ac_dir=.
+    if test -f "$ac_dir/$ac_prog" || test -f "$ac_dir/$ac_prog$ac_exeext"; then
+      acl_cv_path_LD="$ac_dir/$ac_prog"
+      # Check to see if the program is GNU ld.  I'd rather use --version,
+      # but apparently some GNU ld's only accept -v.
+      # Break only if it was the GNU/non-GNU ld that we prefer.
+      if "$acl_cv_path_LD" -v 2>&1 < /dev/null | egrep '(GNU|with BFD)' > /dev/null; then
+	test "$with_gnu_ld" != no && break
+      else
+	test "$with_gnu_ld" != yes && break
+      fi
+    fi
+  done
+  IFS="$ac_save_ifs"
+else
+  acl_cv_path_LD="$LD" # Let the user override the test with a path.
+fi])
+LD="$acl_cv_path_LD"
+if test -n "$LD"; then
+  AC_MSG_RESULT($LD)
+else
+  AC_MSG_RESULT(no)
+fi
+test -z "$LD" && AC_MSG_ERROR([no acceptable ld found in \$PATH])
+AC_LIB_PROG_LD_GNU
+])
--- /dev/null
+++ tin-1.7.3/m4/lib-link.m4
@@ -0,0 +1,554 @@
+# lib-link.m4 serial 3 (gettext-0.11.3)
+dnl Copyright (C) 2001-2002 Free Software Foundation, Inc.
+dnl This file is free software, distributed under the terms of the GNU
+dnl General Public License.  As a special exception to the GNU General
+dnl Public License, this file may be distributed as part of a program
+dnl that contains a configuration script generated by Autoconf, under
+dnl the same distribution terms as the rest of that program.
+
+dnl From Bruno Haible.
+
+dnl AC_LIB_LINKFLAGS(name [, dependencies]) searches for libname and
+dnl the libraries corresponding to explicit and implicit dependencies.
+dnl Sets and AC_SUBSTs the LIB${NAME} and LTLIB${NAME} variables and
+dnl augments the CPPFLAGS variable.
+AC_DEFUN([AC_LIB_LINKFLAGS],
+[
+  AC_REQUIRE([AC_LIB_PREPARE_PREFIX])
+  AC_REQUIRE([AC_LIB_RPATH])
+  define([Name],[translit([$1],[./-], [___])])
+  define([NAME],[translit([$1],[abcdefghijklmnopqrstuvwxyz./-],
+                               [ABCDEFGHIJKLMNOPQRSTUVWXYZ___])])
+  AC_CACHE_CHECK([how to link with lib[]$1], [ac_cv_lib[]Name[]_libs], [
+    AC_LIB_LINKFLAGS_BODY([$1], [$2])
+    ac_cv_lib[]Name[]_libs="$LIB[]NAME"
+    ac_cv_lib[]Name[]_ltlibs="$LTLIB[]NAME"
+    ac_cv_lib[]Name[]_cppflags="$INC[]NAME"
+  ])
+  LIB[]NAME="$ac_cv_lib[]Name[]_libs"
+  LTLIB[]NAME="$ac_cv_lib[]Name[]_ltlibs"
+  INC[]NAME="$ac_cv_lib[]Name[]_cppflags"
+  AC_LIB_APPENDTOVAR([CPPFLAGS], [$INC]NAME)
+  AC_SUBST([LIB]NAME)
+  AC_SUBST([LTLIB]NAME)
+  dnl Also set HAVE_LIB[]NAME so that AC_LIB_HAVE_LINKFLAGS can reuse the
+  dnl results of this search when this library appears as a dependency.
+  HAVE_LIB[]NAME=yes
+  undefine([Name])
+  undefine([NAME])
+])
+
+dnl AC_LIB_HAVE_LINKFLAGS(name, dependencies, includes, testcode)
+dnl searches for libname and the libraries corresponding to explicit and
+dnl implicit dependencies, together with the specified include files and
+dnl the ability to compile and link the specified testcode. If found, it
+dnl sets and AC_SUBSTs HAVE_LIB${NAME}=yes and the LIB${NAME} and
+dnl LTLIB${NAME} variables and augments the CPPFLAGS variable, and
+dnl #defines HAVE_LIB${NAME} to 1. Otherwise, it sets and AC_SUBSTs
+dnl HAVE_LIB${NAME}=no and LIB${NAME} and LTLIB${NAME} to empty.
+AC_DEFUN([AC_LIB_HAVE_LINKFLAGS],
+[
+  AC_REQUIRE([AC_LIB_PREPARE_PREFIX])
+  AC_REQUIRE([AC_LIB_RPATH])
+  define([Name],[translit([$1],[./-], [___])])
+  define([NAME],[translit([$1],[abcdefghijklmnopqrstuvwxyz./-],
+                               [ABCDEFGHIJKLMNOPQRSTUVWXYZ___])])
+
+  dnl Search for lib[]Name and define LIB[]NAME, LTLIB[]NAME and INC[]NAME
+  dnl accordingly.
+  AC_LIB_LINKFLAGS_BODY([$1], [$2])
+
+  dnl Add $INC[]NAME to CPPFLAGS before performing the following checks,
+  dnl because if the user has installed lib[]Name and not disabled its use
+  dnl via --without-lib[]Name-prefix, he wants to use it.
+  ac_save_CPPFLAGS="$CPPFLAGS"
+  AC_LIB_APPENDTOVAR([CPPFLAGS], [$INC]NAME)
+
+  AC_CACHE_CHECK([for lib[]$1], [ac_cv_lib[]Name], [
+    ac_save_LIBS="$LIBS"
+    LIBS="$LIBS $LIB[]NAME"
+    AC_TRY_LINK([$3], [$4], [ac_cv_lib[]Name=yes], [ac_cv_lib[]Name=no])
+    LIBS="$ac_save_LIBS"
+  ])
+  if test "$ac_cv_lib[]Name" = yes; then
+    HAVE_LIB[]NAME=yes
+    AC_DEFINE([HAVE_LIB]NAME, 1, [Define if you have the $1 library.])
+    AC_MSG_CHECKING([how to link with lib[]$1])
+    AC_MSG_RESULT([$LIB[]NAME])
+  else
+    HAVE_LIB[]NAME=no
+    dnl If $LIB[]NAME didn't lead to a usable library, we don't need
+    dnl $INC[]NAME either.
+    CPPFLAGS="$ac_save_CPPFLAGS"
+    LIB[]NAME=
+    LTLIB[]NAME=
+  fi
+  AC_SUBST([HAVE_LIB]NAME)
+  AC_SUBST([LIB]NAME)
+  AC_SUBST([LTLIB]NAME)
+  undefine([Name])
+  undefine([NAME])
+])
+
+dnl Determine the platform dependent parameters needed to use rpath:
+dnl libext, shlibext, hardcode_libdir_flag_spec, hardcode_libdir_separator,
+dnl hardcode_direct, hardcode_minus_L,
+dnl sys_lib_search_path_spec, sys_lib_dlsearch_path_spec.
+AC_DEFUN([AC_LIB_RPATH],
+[
+  AC_REQUIRE([AC_PROG_CC])                dnl we use $CC, $GCC, $LDFLAGS
+  AC_REQUIRE([AC_LIB_PROG_LD])            dnl we use $LD, $with_gnu_ld
+  AC_REQUIRE([AC_CANONICAL_HOST])         dnl we use $host
+  AC_REQUIRE([AC_CONFIG_AUX_DIR_DEFAULT]) dnl we use $ac_aux_dir
+  AC_CACHE_CHECK([for shared library run path origin], acl_cv_rpath, [
+    CC="$CC" GCC="$GCC" LDFLAGS="$LDFLAGS" LD="$LD" with_gnu_ld="$with_gnu_ld" \
+    ${CONFIG_SHELL-/bin/sh} "$ac_aux_dir/config.rpath" "$host" > conftest.sh
+    . ./conftest.sh
+    rm -f ./conftest.sh
+    acl_cv_rpath=done
+  ])
+  wl="$acl_cv_wl"
+  libext="$acl_cv_libext"
+  shlibext="$acl_cv_shlibext"
+  hardcode_libdir_flag_spec="$acl_cv_hardcode_libdir_flag_spec"
+  hardcode_libdir_separator="$acl_cv_hardcode_libdir_separator"
+  hardcode_direct="$acl_cv_hardcode_direct"
+  hardcode_minus_L="$acl_cv_hardcode_minus_L"
+  sys_lib_search_path_spec="$acl_cv_sys_lib_search_path_spec"
+  sys_lib_dlsearch_path_spec="$acl_cv_sys_lib_dlsearch_path_spec"
+  dnl Determine whether the user wants rpath handling at all.
+  AC_ARG_ENABLE(rpath,
+    [  --disable-rpath         do not hardcode runtime library paths],
+    :, enable_rpath=yes)
+])
+
+dnl AC_LIB_LINKFLAGS_BODY(name [, dependencies]) searches for libname and
+dnl the libraries corresponding to explicit and implicit dependencies.
+dnl Sets the LIB${NAME}, LTLIB${NAME} and INC${NAME} variables.
+AC_DEFUN([AC_LIB_LINKFLAGS_BODY],
+[
+  define([NAME],[translit([$1],[abcdefghijklmnopqrstuvwxyz./-],
+                               [ABCDEFGHIJKLMNOPQRSTUVWXYZ___])])
+  dnl By default, look in $includedir and $libdir.
+  use_additional=yes
+  AC_LIB_WITH_FINAL_PREFIX([
+    eval additional_includedir=\"$includedir\"
+    eval additional_libdir=\"$libdir\"
+  ])
+  AC_ARG_WITH([lib$1-prefix],
+[  --with-lib$1-prefix[=DIR]  search for lib$1 in DIR/include and DIR/lib
+  --without-lib$1-prefix     don't search for lib$1 in includedir and libdir],
+[
+    if test "X$withval" = "Xno"; then
+      use_additional=no
+    else
+      if test "X$withval" = "X"; then
+        AC_LIB_WITH_FINAL_PREFIX([
+          eval additional_includedir=\"$includedir\"
+          eval additional_libdir=\"$libdir\"
+        ])
+      else
+        additional_includedir="$withval/include"
+        additional_libdir="$withval/lib"
+      fi
+    fi
+])
+  dnl Search the library and its dependencies in $additional_libdir and
+  dnl $LDFLAGS. Using breadth-first-seach.
+  LIB[]NAME=
+  LTLIB[]NAME=
+  INC[]NAME=
+  rpathdirs=
+  ltrpathdirs=
+  names_already_handled=
+  names_next_round='$1 $2'
+  while test -n "$names_next_round"; do
+    names_this_round="$names_next_round"
+    names_next_round=
+    for name in $names_this_round; do
+      already_handled=
+      for n in $names_already_handled; do
+        if test "$n" = "$name"; then
+          already_handled=yes
+          break
+        fi
+      done
+      if test -z "$already_handled"; then
+        names_already_handled="$names_already_handled $name"
+        dnl See if it was already located by an earlier AC_LIB_LINKFLAGS
+        dnl or AC_LIB_HAVE_LINKFLAGS call.
+        uppername=`echo "$name" | sed -e 'y|abcdefghijklmnopqrstuvwxyz./-|ABCDEFGHIJKLMNOPQRSTUVWXYZ___|'`
+        eval value=\"\$HAVE_LIB$uppername\"
+        if test -n "$value"; then
+          if test "$value" = yes; then
+            eval value=\"\$LIB$uppername\"
+            test -z "$value" || LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$value"
+            eval value=\"\$LTLIB$uppername\"
+            test -z "$value" || LTLIB[]NAME="${LTLIB[]NAME}${LTLIB[]NAME:+ }$value"
+          else
+            dnl An earlier call to AC_LIB_HAVE_LINKFLAGS has determined
+            dnl that this library doesn't exist. So just drop it.
+            :
+          fi
+        else
+          dnl Search the library lib$name in $additional_libdir and $LDFLAGS
+          dnl and the already constructed $LIBNAME/$LTLIBNAME.
+          found_dir=
+          found_la=
+          found_so=
+          found_a=
+          if test $use_additional = yes; then
+            if test -n "$shlibext" && test -f "$additional_libdir/lib$name.$shlibext"; then
+              found_dir="$additional_libdir"
+              found_so="$additional_libdir/lib$name.$shlibext"
+              if test -f "$additional_libdir/lib$name.la"; then
+                found_la="$additional_libdir/lib$name.la"
+              fi
+            else
+              if test -f "$additional_libdir/lib$name.$libext"; then
+                found_dir="$additional_libdir"
+                found_a="$additional_libdir/lib$name.$libext"
+                if test -f "$additional_libdir/lib$name.la"; then
+                  found_la="$additional_libdir/lib$name.la"
+                fi
+              fi
+            fi
+          fi
+          if test "X$found_dir" = "X"; then
+            for x in $LDFLAGS $LTLIB[]NAME; do
+              AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"])
+              case "$x" in
+                -L*)
+                  dir=`echo "X$x" | sed -e 's/^X-L//'`
+                  if test -n "$shlibext" && test -f "$dir/lib$name.$shlibext"; then
+                    found_dir="$dir"
+                    found_so="$dir/lib$name.$shlibext"
+                    if test -f "$dir/lib$name.la"; then
+                      found_la="$dir/lib$name.la"
+                    fi
+                  else
+                    if test -f "$dir/lib$name.$libext"; then
+                      found_dir="$dir"
+                      found_a="$dir/lib$name.$libext"
+                      if test -f "$dir/lib$name.la"; then
+                        found_la="$dir/lib$name.la"
+                      fi
+                    fi
+                  fi
+                  ;;
+              esac
+              if test "X$found_dir" != "X"; then
+                break
+              fi
+            done
+          fi
+          if test "X$found_dir" != "X"; then
+            dnl Found the library.
+            LTLIB[]NAME="${LTLIB[]NAME}${LTLIB[]NAME:+ }-L$found_dir -l$name"
+            if test "X$found_so" != "X"; then
+              dnl Linking with a shared library. We attempt to hardcode its
+              dnl directory into the executable's runpath, unless it's the
+              dnl standard /usr/lib.
+              if test "$enable_rpath" = no || test "X$found_dir" = "X/usr/lib"; then
+                dnl No hardcoding is needed.
+                LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$found_so"
+              else
+                dnl Use an explicit option to hardcode DIR into the resulting
+                dnl binary.
+                dnl Potentially add DIR to ltrpathdirs.
+                dnl The ltrpathdirs will be appended to $LTLIBNAME at the end.
+                haveit=
+                for x in $ltrpathdirs; do
+                  if test "X$x" = "X$found_dir"; then
+                    haveit=yes
+                    break
+                  fi
+                done
+                if test -z "$haveit"; then
+                  ltrpathdirs="$ltrpathdirs $found_dir"
+                fi
+                dnl The hardcoding into $LIBNAME is system dependent.
+                if test "$hardcode_direct" = yes; then
+                  dnl Using DIR/libNAME.so during linking hardcodes DIR into the
+                  dnl resulting binary.
+                  LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$found_so"
+                else
+                  if test -n "$hardcode_libdir_flag_spec" && test "$hardcode_minus_L" = no; then
+                    dnl Use an explicit option to hardcode DIR into the resulting
+                    dnl binary.
+                    LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$found_so"
+                    dnl Potentially add DIR to rpathdirs.
+                    dnl The rpathdirs will be appended to $LIBNAME at the end.
+                    haveit=
+                    for x in $rpathdirs; do
+                      if test "X$x" = "X$found_dir"; then
+                        haveit=yes
+                        break
+                      fi
+                    done
+                    if test -z "$haveit"; then
+                      rpathdirs="$rpathdirs $found_dir"
+                    fi
+                  else
+                    dnl Rely on "-L$found_dir".
+                    dnl But don't add it if it's already contained in the LDFLAGS
+                    dnl or the already constructed $LIBNAME
+                    haveit=
+                    for x in $LDFLAGS $LIB[]NAME; do
+                      AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"])
+                      if test "X$x" = "X-L$found_dir"; then
+                        haveit=yes
+                        break
+                      fi
+                    done
+                    if test -z "$haveit"; then
+                      LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }-L$found_dir"
+                    fi
+                    if test "$hardcode_minus_L" != no; then
+                      dnl FIXME: Not sure whether we should use
+                      dnl "-L$found_dir -l$name" or "-L$found_dir $found_so"
+                      dnl here.
+                      LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$found_so"
+                    else
+                      dnl We cannot use $hardcode_runpath_var and LD_RUN_PATH
+                      dnl here, because this doesn't fit in flags passed to the
+                      dnl compiler. So give up. No hardcoding. This affects only
+                      dnl very old systems.
+                      dnl FIXME: Not sure whether we should use
+                      dnl "-L$found_dir -l$name" or "-L$found_dir $found_so"
+                      dnl here.
+                      LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }-l$name"
+                    fi
+                  fi
+                fi
+              fi
+            else
+              if test "X$found_a" != "X"; then
+                dnl Linking with a static library.
+                LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$found_a"
+              else
+                dnl We shouldn't come here, but anyway it's good to have a
+                dnl fallback.
+                LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }-L$found_dir -l$name"
+              fi
+            fi
+            dnl Assume the include files are nearby.
+            additional_includedir=
+            case "$found_dir" in
+              */lib | */lib/)
+                basedir=`echo "X$found_dir" | sed -e 's,^X,,' -e 's,/lib/*$,,'`
+                additional_includedir="$basedir/include"
+                ;;
+            esac
+            if test "X$additional_includedir" != "X"; then
+              dnl Potentially add $additional_includedir to $INCNAME.
+              dnl But don't add it
+              dnl   1. if it's the standard /usr/include,
+              dnl   2. if it's /usr/local/include and we are using GCC on Linux,
+              dnl   3. if it's already present in $CPPFLAGS or the already
+              dnl      constructed $INCNAME,
+              dnl   4. if it doesn't exist as a directory.
+              if test "X$additional_includedir" != "X/usr/include"; then
+                haveit=
+                if test "X$additional_includedir" = "X/usr/local/include"; then
+                  if test -n "$GCC"; then
+                    case $host_os in
+                      linux*) haveit=yes;;
+                    esac
+                  fi
+                fi
+                if test -z "$haveit"; then
+                  for x in $CPPFLAGS $INC[]NAME; do
+                    AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"])
+                    if test "X$x" = "X-I$additional_includedir"; then
+                      haveit=yes
+                      break
+                    fi
+                  done
+                  if test -z "$haveit"; then
+                    if test -d "$additional_includedir"; then
+                      dnl Really add $additional_includedir to $INCNAME.
+                      INC[]NAME="${INC[]NAME}${INC[]NAME:+ }-I$additional_includedir"
+                    fi
+                  fi
+                fi
+              fi
+            fi
+            dnl Look for dependencies.
+            if test -n "$found_la"; then
+              dnl Read the .la file. It defines the variables
+              dnl dlname, library_names, old_library, dependency_libs, current,
+              dnl age, revision, installed, dlopen, dlpreopen, libdir.
+              save_libdir="$libdir"
+              case "$found_la" in
+                */* | *\\*) . "$found_la" ;;
+                *) . "./$found_la" ;;
+              esac
+              libdir="$save_libdir"
+              dnl We use only dependency_libs.
+              for dep in $dependency_libs; do
+                case "$dep" in
+                  -L*)
+                    additional_libdir=`echo "X$dep" | sed -e 's/^X-L//'`
+                    dnl Potentially add $additional_libdir to $LIBNAME and $LTLIBNAME.
+                    dnl But don't add it
+                    dnl   1. if it's the standard /usr/lib,
+                    dnl   2. if it's /usr/local/lib and we are using GCC on Linux,
+                    dnl   3. if it's already present in $LDFLAGS or the already
+                    dnl      constructed $LIBNAME,
+                    dnl   4. if it doesn't exist as a directory.
+                    if test "X$additional_libdir" != "X/usr/lib"; then
+                      haveit=
+                      if test "X$additional_libdir" = "X/usr/local/lib"; then
+                        if test -n "$GCC"; then
+                          case $host_os in
+                            linux*) haveit=yes;;
+                          esac
+                        fi
+                      fi
+                      if test -z "$haveit"; then
+                        haveit=
+                        for x in $LDFLAGS $LIB[]NAME; do
+                          AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"])
+                          if test "X$x" = "X-L$additional_libdir"; then
+                            haveit=yes
+                            break
+                          fi
+                        done
+                        if test -z "$haveit"; then
+                          if test -d "$additional_libdir"; then
+                            dnl Really add $additional_libdir to $LIBNAME.
+                            LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }-L$additional_libdir"
+                          fi
+                        fi
+                        haveit=
+                        for x in $LDFLAGS $LTLIB[]NAME; do
+                          AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"])
+                          if test "X$x" = "X-L$additional_libdir"; then
+                            haveit=yes
+                            break
+                          fi
+                        done
+                        if test -z "$haveit"; then
+                          if test -d "$additional_libdir"; then
+                            dnl Really add $additional_libdir to $LTLIBNAME.
+                            LTLIB[]NAME="${LTLIB[]NAME}${LTLIB[]NAME:+ }-L$additional_libdir"
+                          fi
+                        fi
+                      fi
+                    fi
+                    ;;
+                  -R*)
+                    dir=`echo "X$dep" | sed -e 's/^X-R//'`
+                    if test "$enable_rpath" != no; then
+                      dnl Potentially add DIR to rpathdirs.
+                      dnl The rpathdirs will be appended to $LIBNAME at the end.
+                      haveit=
+                      for x in $rpathdirs; do
+                        if test "X$x" = "X$dir"; then
+                          haveit=yes
+                          break
+                        fi
+                      done
+                      if test -z "$haveit"; then
+                        rpathdirs="$rpathdirs $dir"
+                      fi
+                      dnl Potentially add DIR to ltrpathdirs.
+                      dnl The ltrpathdirs will be appended to $LTLIBNAME at the end.
+                      haveit=
+                      for x in $ltrpathdirs; do
+                        if test "X$x" = "X$dir"; then
+                          haveit=yes
+                          break
+                        fi
+                      done
+                      if test -z "$haveit"; then
+                        ltrpathdirs="$ltrpathdirs $dir"
+                      fi
+                    fi
+                    ;;
+                  -l*)
+                    dnl Handle this in the next round.
+                    names_next_round="$names_next_round "`echo "X$dep" | sed -e 's/^X-l//'`
+                    ;;
+                  *.la)
+                    dnl Handle this in the next round. Throw away the .la's
+                    dnl directory; it is already contained in a preceding -L
+                    dnl option.
+                    names_next_round="$names_next_round "`echo "X$dep" | sed -e 's,^X.*/,,' -e 's,^lib,,' -e 's,\.la$,,'`
+                    ;;
+                  *)
+                    dnl Most likely an immediate library name.
+                    LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$dep"
+                    LTLIB[]NAME="${LTLIB[]NAME}${LTLIB[]NAME:+ }$dep"
+                    ;;
+                esac
+              done
+            fi
+          else
+            dnl Didn't find the library; assume it is in the system directories
+            dnl known to the linker and runtime loader. (All the system
+            dnl directories known to the linker should also be known to the
+            dnl runtime loader, otherwise the system is severely misconfigured.)
+            LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }-l$name"
+            LTLIB[]NAME="${LTLIB[]NAME}${LTLIB[]NAME:+ }-l$name"
+          fi
+        fi
+      fi
+    done
+  done
+  if test "X$rpathdirs" != "X"; then
+    if test -n "$hardcode_libdir_separator"; then
+      dnl Weird platform: only the last -rpath option counts, the user must
+      dnl pass all path elements in one option. We can arrange that for a
+      dnl single library, but not when more than one $LIBNAMEs are used.
+      alldirs=
+      for found_dir in $rpathdirs; do
+        alldirs="${alldirs}${alldirs:+$hardcode_libdir_separator}$found_dir"
+      done
+      dnl Note: hardcode_libdir_flag_spec uses $libdir and $wl.
+      acl_save_libdir="$libdir"
+      libdir="$alldirs"
+      eval flag=\"$hardcode_libdir_flag_spec\"
+      libdir="$acl_save_libdir"
+      LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$flag"
+    else
+      dnl The -rpath options are cumulative.
+      for found_dir in $rpathdirs; do
+        acl_save_libdir="$libdir"
+        libdir="$found_dir"
+        eval flag=\"$hardcode_libdir_flag_spec\"
+        libdir="$acl_save_libdir"
+        LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$flag"
+      done
+    fi
+  fi
+  if test "X$ltrpathdirs" != "X"; then
+    dnl When using libtool, the option that works for both libraries and
+    dnl executables is -R. The -R options are cumulative.
+    for found_dir in $ltrpathdirs; do
+      LTLIB[]NAME="${LTLIB[]NAME}${LTLIB[]NAME:+ }-R$found_dir"
+    done
+  fi
+])
+
+dnl AC_LIB_APPENDTOVAR(VAR, CONTENTS) appends the elements of CONTENTS to VAR,
+dnl unless already present in VAR.
+dnl Works only for CPPFLAGS, not for LIB* variables because that sometimes
+dnl contains two or three consecutive elements that belong together.
+AC_DEFUN([AC_LIB_APPENDTOVAR],
+[
+  for element in [$2]; do
+    haveit=
+    for x in $[$1]; do
+      AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"])
+      if test "X$x" = "X$element"; then
+        haveit=yes
+        break
+      fi
+    done
+    if test -z "$haveit"; then
+      [$1]="${[$1]}${[$1]:+ }$element"
+    fi
+  done
+])
--- /dev/null
+++ tin-1.7.3/m4/lib-prefix.m4
@@ -0,0 +1,148 @@
+# lib-prefix.m4 serial 1 (gettext-0.11)
+dnl Copyright (C) 2001-2002 Free Software Foundation, Inc.
+dnl This file is free software, distributed under the terms of the GNU
+dnl General Public License.  As a special exception to the GNU General
+dnl Public License, this file may be distributed as part of a program
+dnl that contains a configuration script generated by Autoconf, under
+dnl the same distribution terms as the rest of that program.
+
+dnl From Bruno Haible.
+
+dnl AC_LIB_PREFIX adds to the CPPFLAGS and LDFLAGS the flags that are needed
+dnl to access previously installed libraries. The basic assumption is that
+dnl a user will want packages to use other packages he previously installed
+dnl with the same --prefix option.
+dnl This macro is not needed if only AC_LIB_LINKFLAGS is used to locate
+dnl libraries, but is otherwise very convenient.
+AC_DEFUN([AC_LIB_PREFIX],
+[
+  AC_BEFORE([$0], [AC_LIB_LINKFLAGS])
+  AC_REQUIRE([AC_PROG_CC])
+  AC_REQUIRE([AC_CANONICAL_HOST])
+  AC_REQUIRE([AC_LIB_PREPARE_PREFIX])
+  dnl By default, look in $includedir and $libdir.
+  use_additional=yes
+  AC_LIB_WITH_FINAL_PREFIX([
+    eval additional_includedir=\"$includedir\"
+    eval additional_libdir=\"$libdir\"
+  ])
+  AC_ARG_WITH([lib-prefix],
+[  --with-lib-prefix[=DIR] search for libraries in DIR/include and DIR/lib
+  --without-lib-prefix    don't search for libraries in includedir and libdir],
+[
+    if test "X$withval" = "Xno"; then
+      use_additional=no
+    else
+      if test "X$withval" = "X"; then
+        AC_LIB_WITH_FINAL_PREFIX([
+          eval additional_includedir=\"$includedir\"
+          eval additional_libdir=\"$libdir\"
+        ])
+      else
+        additional_includedir="$withval/include"
+        additional_libdir="$withval/lib"
+      fi
+    fi
+])
+  if test $use_additional = yes; then
+    dnl Potentially add $additional_includedir to $CPPFLAGS.
+    dnl But don't add it
+    dnl   1. if it's the standard /usr/include,
+    dnl   2. if it's already present in $CPPFLAGS,
+    dnl   3. if it's /usr/local/include and we are using GCC on Linux,
+    dnl   4. if it doesn't exist as a directory.
+    if test "X$additional_includedir" != "X/usr/include"; then
+      haveit=
+      for x in $CPPFLAGS; do
+        AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"])
+        if test "X$x" = "X-I$additional_includedir"; then
+          haveit=yes
+          break
+        fi
+      done
+      if test -z "$haveit"; then
+        if test "X$additional_includedir" = "X/usr/local/include"; then
+          if test -n "$GCC"; then
+            case $host_os in
+              linux*) haveit=yes;;
+            esac
+          fi
+        fi
+        if test -z "$haveit"; then
+          if test -d "$additional_includedir"; then
+            dnl Really add $additional_includedir to $CPPFLAGS.
+            CPPFLAGS="${CPPFLAGS}${CPPFLAGS:+ }-I$additional_includedir"
+          fi
+        fi
+      fi
+    fi
+    dnl Potentially add $additional_libdir to $LDFLAGS.
+    dnl But don't add it
+    dnl   1. if it's the standard /usr/lib,
+    dnl   2. if it's already present in $LDFLAGS,
+    dnl   3. if it's /usr/local/lib and we are using GCC on Linux,
+    dnl   4. if it doesn't exist as a directory.
+    if test "X$additional_libdir" != "X/usr/lib"; then
+      haveit=
+      for x in $LDFLAGS; do
+        AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"])
+        if test "X$x" = "X-L$additional_libdir"; then
+          haveit=yes
+          break
+        fi
+      done
+      if test -z "$haveit"; then
+        if test "X$additional_libdir" = "X/usr/local/lib"; then
+          if test -n "$GCC"; then
+            case $host_os in
+              linux*) haveit=yes;;
+            esac
+          fi
+        fi
+        if test -z "$haveit"; then
+          if test -d "$additional_libdir"; then
+            dnl Really add $additional_libdir to $LDFLAGS.
+            LDFLAGS="${LDFLAGS}${LDFLAGS:+ }-L$additional_libdir"
+          fi
+        fi
+      fi
+    fi
+  fi
+])
+
+dnl AC_LIB_PREPARE_PREFIX creates variables acl_final_prefix,
+dnl acl_final_exec_prefix, containing the values to which $prefix and
+dnl $exec_prefix will expand at the end of the configure script.
+AC_DEFUN([AC_LIB_PREPARE_PREFIX],
+[
+  dnl Unfortunately, prefix and exec_prefix get only finally determined
+  dnl at the end of configure.
+  if test "X$prefix" = "XNONE"; then
+    acl_final_prefix="$ac_default_prefix"
+  else
+    acl_final_prefix="$prefix"
+  fi
+  if test "X$exec_prefix" = "XNONE"; then
+    acl_final_exec_prefix='${prefix}'
+  else
+    acl_final_exec_prefix="$exec_prefix"
+  fi
+  acl_save_prefix="$prefix"
+  prefix="$acl_final_prefix"
+  eval acl_final_exec_prefix=\"$acl_final_exec_prefix\"
+  prefix="$acl_save_prefix"
+])
+
+dnl AC_LIB_WITH_FINAL_PREFIX([statement]) evaluates statement, with the
+dnl variables prefix and exec_prefix bound to the values they will have
+dnl at the end of the configure script.
+AC_DEFUN([AC_LIB_WITH_FINAL_PREFIX],
+[
+  acl_save_prefix="$prefix"
+  prefix="$acl_final_prefix"
+  acl_save_exec_prefix="$exec_prefix"
+  exec_prefix="$acl_final_exec_prefix"
+  $1
+  exec_prefix="$acl_save_exec_prefix"
+  prefix="$acl_save_prefix"
+])
--- /dev/null
+++ tin-1.7.3/m4/progtest.m4
@@ -0,0 +1,59 @@
+# progtest.m4 serial 2 (gettext-0.10.40)
+dnl Copyright (C) 1996-2002 Free Software Foundation, Inc.
+dnl This file is free software, distributed under the terms of the GNU
+dnl General Public License.  As a special exception to the GNU General
+dnl Public License, this file may be distributed as part of a program
+dnl that contains a configuration script generated by Autoconf, under
+dnl the same distribution terms as the rest of that program.
+dnl
+dnl This file can can be used in projects which are not available under
+dnl the GNU General Public License or the GNU Library General Public
+dnl License but which still want to provide support for the GNU gettext
+dnl functionality.
+dnl Please note that the actual code of the GNU gettext library is covered
+dnl by the GNU Library General Public License, and the rest of the GNU
+dnl gettext package package is covered by the GNU General Public License.
+dnl They are *not* in the public domain.
+
+dnl Authors:
+dnl   Ulrich Drepper <drepper@cygnus.com>, 1996.
+
+# Search path for a program which passes the given test.
+
+dnl AM_PATH_PROG_WITH_TEST(VARIABLE, PROG-TO-CHECK-FOR,
+dnl   TEST-PERFORMED-ON-FOUND_PROGRAM [, VALUE-IF-NOT-FOUND [, PATH]])
+AC_DEFUN([AM_PATH_PROG_WITH_TEST],
+[# Extract the first word of "$2", so it can be a program name with args.
+set dummy $2; ac_word=[$]2
+AC_MSG_CHECKING([for $ac_word])
+AC_CACHE_VAL(ac_cv_path_$1,
+[case "[$]$1" in
+  /*)
+  ac_cv_path_$1="[$]$1" # Let the user override the test with a path.
+  ;;
+  *)
+  IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS="${IFS}:"
+  for ac_dir in ifelse([$5], , $PATH, [$5]); do
+    test -z "$ac_dir" && ac_dir=.
+    if test -f $ac_dir/$ac_word; then
+      if [$3]; then
+	ac_cv_path_$1="$ac_dir/$ac_word"
+	break
+      fi
+    fi
+  done
+  IFS="$ac_save_ifs"
+dnl If no 4th arg is given, leave the cache variable unset,
+dnl so AC_PATH_PROGS will keep looking.
+ifelse([$4], , , [  test -z "[$]ac_cv_path_$1" && ac_cv_path_$1="$4"
+])dnl
+  ;;
+esac])dnl
+$1="$ac_cv_path_$1"
+if test ifelse([$4], , [-n "[$]$1"], ["[$]$1" != "$4"]); then
+  AC_MSG_RESULT([$]$1)
+else
+  AC_MSG_RESULT(no)
+fi
+AC_SUBST($1)dnl
+])
--- /dev/null
+++ tin-1.7.3/m4/stdint_h.m4
@@ -0,0 +1,28 @@
+# stdint_h.m4 serial 2 (gettext-0.11.4)
+dnl Copyright (C) 1997-2002 Free Software Foundation, Inc.
+dnl This file is free software, distributed under the terms of the GNU
+dnl General Public License.  As a special exception to the GNU General
+dnl Public License, this file may be distributed as part of a program
+dnl that contains a configuration script generated by Autoconf, under
+dnl the same distribution terms as the rest of that program.
+
+dnl From Paul Eggert.
+
+# Define HAVE_STDINT_H_WITH_UINTMAX if <stdint.h> exists,
+# doesn't clash with <sys/types.h>, and declares uintmax_t.
+
+AC_DEFUN([jm_AC_HEADER_STDINT_H],
+[
+  AC_CACHE_CHECK([for stdint.h], jm_ac_cv_header_stdint_h,
+  [AC_TRY_COMPILE(
+    [#include <sys/types.h>
+#include <stdint.h>],
+    [uintmax_t i = (uintmax_t) -1;],
+    jm_ac_cv_header_stdint_h=yes,
+    jm_ac_cv_header_stdint_h=no)])
+  if test $jm_ac_cv_header_stdint_h = yes; then
+    AC_DEFINE_UNQUOTED(HAVE_STDINT_H_WITH_UINTMAX, 1,
+[Define if <stdint.h> exists, doesn't clash with <sys/types.h>,
+   and declares uintmax_t. ])
+  fi
+])
--- /dev/null
+++ tin-1.7.3/m4/uintmax_t.m4
@@ -0,0 +1,29 @@
+# uintmax_t.m4 serial 6 (gettext-0.11)
+dnl Copyright (C) 1997-2002 Free Software Foundation, Inc.
+dnl This file is free software, distributed under the terms of the GNU
+dnl General Public License.  As a special exception to the GNU General
+dnl Public License, this file may be distributed as part of a program
+dnl that contains a configuration script generated by Autoconf, under
+dnl the same distribution terms as the rest of that program.
+
+dnl From Paul Eggert.
+
+AC_PREREQ(2.13)
+
+# Define uintmax_t to `unsigned long' or `unsigned long long'
+# if <inttypes.h> does not exist.
+
+AC_DEFUN([jm_AC_TYPE_UINTMAX_T],
+[
+  AC_REQUIRE([jm_AC_HEADER_INTTYPES_H])
+  AC_REQUIRE([jm_AC_HEADER_STDINT_H])
+  if test $jm_ac_cv_header_inttypes_h = no && test $jm_ac_cv_header_stdint_h = no; then
+    AC_REQUIRE([jm_AC_TYPE_UNSIGNED_LONG_LONG])
+    test $ac_cv_type_unsigned_long_long = yes \
+      && ac_type='unsigned long long' \
+      || ac_type='unsigned long'
+    AC_DEFINE_UNQUOTED(uintmax_t, $ac_type,
+  [Define to unsigned long or unsigned long long
+   if <inttypes.h> and <stdint.h> don't define.])
+  fi
+])
--- /dev/null
+++ tin-1.7.3/m4/ulonglong.m4
@@ -0,0 +1,23 @@
+# ulonglong.m4 serial 2 (fileutils-4.0.32, gettext-0.10.40)
+dnl Copyright (C) 1999-2002 Free Software Foundation, Inc.
+dnl This file is free software, distributed under the terms of the GNU
+dnl General Public License.  As a special exception to the GNU General
+dnl Public License, this file may be distributed as part of a program
+dnl that contains a configuration script generated by Autoconf, under
+dnl the same distribution terms as the rest of that program.
+
+dnl From Paul Eggert.
+
+AC_DEFUN([jm_AC_TYPE_UNSIGNED_LONG_LONG],
+[
+  AC_CACHE_CHECK([for unsigned long long], ac_cv_type_unsigned_long_long,
+  [AC_TRY_LINK([unsigned long long ull = 1; int i = 63;],
+    [unsigned long long ullmax = (unsigned long long) -1;
+     return ull << i | ull >> i | ullmax / ull | ullmax % ull;],
+    ac_cv_type_unsigned_long_long=yes,
+    ac_cv_type_unsigned_long_long=no)])
+  if test $ac_cv_type_unsigned_long_long = yes; then
+    AC_DEFINE(HAVE_UNSIGNED_LONG_LONG, 1,
+      [Define if you have the unsigned long long type.])
+  fi
+])
--- /dev/null
+++ tin-1.7.3/acinclude.m4
@@ -0,0 +1,3671 @@
+dnl ---------------------------------------------------------------------------
+dnl AM_MULTIBYTE_ABLE version: 5 updated: 2003/01/16 16:21:27
+dnl -----------------
+
+dnl check for required multibyte/widechar functions
+dnl Urs Janssen <urs@tin.org> 20021006
+dnl Usage: AM_MULTIBYTE_ABLE
+AC_DEFUN([AM_MULTIBYTE_ABLE],
+[
+  AC_CACHE_CHECK([for wide char and multibyte support], am_cv_multibyte_able,
+   [AC_TRY_LINK([#include <stdio.h>
+#ifdef HAVE_STDLIB_H
+#	include <stdlib.h>
+#endif /* HAVE_STDLIB_H */
+#ifdef HAVE_WCHAR_H
+#	include <wchar.h>
+#endif /* HAVE_WCHAR_H */
+#ifdef HAVE_WCTYPE_H
+#	include <wctype.h>
+#endif /* HAVE_WCTYPE_H */
+],
+     [char icb[5] = {0xa4, 0xa4, 0xa4, 0xe5, 0x00};
+      char ocb[5];
+      wchar_t wcb[5];
+      wchar_t wcb2[5];
+      wchar_t format[3];
+
+      putwc(0, 0);
+      fputwc(0, 0);
+      fwide(0, 0);
+      mbtowc(wcb, icb, MB_CUR_MAX);
+      mbstowcs(wcb, icb, 5);
+      iswprint((wint_t) wcb[0]);
+      wcslen(wcb);
+      wcsnlen(wcb, 4);
+      wcwidth((wint_t) wcb[0]);
+      wcswidth(wcb, 5);
+      wcstombs(ocb, wcb, 5);
+      mbstowcs(format, "%s", 2);
+      swprintf(wcb, 5, format, "test");
+      wcsncat(wcb2, wcb, 5);],
+     am_cv_multibyte_able=yes,
+     [cf_save_LIBS="$LIBS"
+      LIBS="-lutf8 $LIBS"
+      AC_TRY_LINK([#include <libutf8.h>],
+       [char icb[5] = {0xa4, 0xa4, 0xa4, 0xe5, 0x00};
+        char ocb[5];
+        wchar_t wcb[5];
+        wchar_t wcb2[5];
+        wchar_t format[3];
+
+        putwc(0, 0);
+        fputwc(0, 0);
+        fwide(0, 0);
+        mbtowc(wcb, icb, MB_CUR_MAX);
+        mbstowcs(wcb, icb, 5);
+        iswprint((wint_t) wcb[0]);
+        wcslen(wcb);
+        wcsnlen(wcb, 4);
+        wcwidth((wint_t) wcb[0]);
+        wcswidth(wcb, 5);
+        wcstombs(ocb, wcb, 5);
+        mbstowcs(format, "%s", 2);
+        swprintf(wcb, 5, format, "test");
+        wcsncat(wcb2, wcb, 5);],
+        [am_cv_multibyte_able=yes
+	 have_libutf8_h=yes],
+        [am_cv_multibyte_able=no
+         LIBS="$cf_save_LIBS"])
+   ])
+  ])
+  if test $am_cv_multibyte_able = yes; then
+    AC_DEFINE(MULTIBYTE_ABLE, 1,
+      [Define if you have swprintf() and co.])
+    if test $have_libutf8_h = yes; then
+      AC_DEFINE(HAVE_LIBUTF8_H)
+    fi
+  fi
+])
+dnl ---------------------------------------------------------------------------
+dnl CF_ADD_CFLAGS version: 5 updated: 2002/12/01 00:12:15
+dnl -------------
+dnl Copy non-preprocessor flags to $CFLAGS, preprocessor flags to $CPPFLAGS
+dnl The second parameter if given makes this macro verbose.
+AC_DEFUN([CF_ADD_CFLAGS],
+[
+cf_new_cflags=
+cf_new_cppflags=
+for cf_add_cflags in $1
+do
+	case $cf_add_cflags in #(vi
+	-undef|-nostdinc*|-I*|-D*|-U*|-E|-P|-C) #(vi
+		case "$CPPFLAGS" in
+		*$cf_add_cflags) #(vi
+			;;
+		*) #(vi
+			cf_new_cppflags="$cf_new_cppflags $cf_add_cflags"
+			;;
+		esac
+		;;
+	*)
+		cf_new_cflags="$cf_new_cflags $cf_add_cflags"
+		;;
+	esac
+done
+
+if test -n "$cf_new_cflags" ; then
+	ifelse($2,,,[CF_VERBOSE(add to \$CFLAGS $cf_new_cflags)])
+	CFLAGS="$CFLAGS $cf_new_cflags"
+fi
+
+if test -n "$cf_new_cppflags" ; then
+	ifelse($2,,,[CF_VERBOSE(add to \$CPPFLAGS $cf_new_cppflags)])
+	CPPFLAGS="$cf_new_cppflags $CPPFLAGS"
+fi
+
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_ADD_INCDIR version: 4 updated: 2002/12/21 14:25:52
+dnl -------------
+dnl Add an include-directory to $CPPFLAGS.  Don't add /usr/include, since it's
+dnl redundant.  We don't normally need to add -I/usr/local/include for gcc,
+dnl but old versions (and some misinstalled ones) need that.  To make things
+dnl worse, gcc 3.x gives error messages if -I/usr/local/include is added to
+dnl the include-path).
+AC_DEFUN([CF_ADD_INCDIR],
+[
+for cf_add_incdir in $1
+do
+	while true
+	do
+		case $cf_add_incdir in
+		/usr/include) # (vi
+			;;
+		/usr/local/include) # (vi
+			if test "$GCC" = yes
+			then
+				cf_save_CPPFLAGS="$CPPFLAGS"
+				CPPFLAGS="$CPPFLAGS -I$cf_add_incdir"
+				AC_TRY_COMPILE([#include <stdio.h>],
+						[printf("Hello")],
+						[],
+						[CPPFLAGS="$cf_save_CPPFLAGS"])
+			fi
+			;;
+		*) # (vi
+			CPPFLAGS="$CPPFLAGS -I$cf_add_incdir"
+			;;
+		esac
+		cf_top_incdir=`echo $cf_add_incdir | sed -e 's%/include/.*$%/include%'`
+		test "$cf_top_incdir" = "$cf_add_incdir" && break
+		cf_add_incdir="$cf_top_incdir"
+	done
+done
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_ANSI_CC_CHECK version: 9 updated: 2001/12/30 17:53:34
+dnl ----------------
+dnl This is adapted from the macros 'fp_PROG_CC_STDC' and 'fp_C_PROTOTYPES'
+dnl in the sharutils 4.2 distribution.
+AC_DEFUN([CF_ANSI_CC_CHECK],
+[
+AC_CACHE_CHECK(for ${CC-cc} option to accept ANSI C, cf_cv_ansi_cc,[
+cf_cv_ansi_cc=no
+cf_save_CFLAGS="$CFLAGS"
+cf_save_CPPFLAGS="$CPPFLAGS"
+# Don't try gcc -ansi; that turns off useful extensions and
+# breaks some systems' header files.
+# AIX			-qlanglvl=ansi
+# Ultrix and OSF/1	-std1
+# HP-UX			-Aa -D_HPUX_SOURCE
+# SVR4			-Xc
+# UnixWare 1.2		(cannot use -Xc, since ANSI/POSIX clashes)
+for cf_arg in "-DCC_HAS_PROTOS" \
+	"" \
+	-qlanglvl=ansi \
+	-std1 \
+	-Ae \
+	"-Aa -D_HPUX_SOURCE" \
+	-Xc
+do
+	CF_ADD_CFLAGS($cf_arg)
+	AC_TRY_COMPILE(
+[
+#ifndef CC_HAS_PROTOS
+#if !defined(__STDC__) || (__STDC__ != 1)
+choke me
+#endif
+#endif
+],[
+	int test (int i, double x);
+	struct s1 {int (*f) (int a);};
+	struct s2 {int (*f) (double a);};],
+	[cf_cv_ansi_cc="$cf_arg"; break])
+done
+CFLAGS="$cf_save_CFLAGS"
+CPPFLAGS="$cf_save_CPPFLAGS"
+])
+
+if test "$cf_cv_ansi_cc" != "no"; then
+if test ".$cf_cv_ansi_cc" != ".-DCC_HAS_PROTOS"; then
+	CF_ADD_CFLAGS($cf_cv_ansi_cc)
+else
+	AC_DEFINE(CC_HAS_PROTOS)
+fi
+fi
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_ANSI_CC_REQD version: 3 updated: 1997/09/06 13:40:44
+dnl ---------------
+dnl For programs that must use an ANSI compiler, obtain compiler options that
+dnl will make it recognize prototypes.  We'll do preprocessor checks in other
+dnl macros, since tools such as unproto can fake prototypes, but only part of
+dnl the preprocessor.
+AC_DEFUN([CF_ANSI_CC_REQD],
+[AC_REQUIRE([CF_ANSI_CC_CHECK])
+if test "$cf_cv_ansi_cc" = "no"; then
+	AC_ERROR(
+[Your compiler does not appear to recognize prototypes.
+You have the following choices:
+	a. adjust your compiler options
+	b. get an up-to-date compiler
+	c. use a wrapper such as unproto])
+fi
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_ARG_DISABLE version: 3 updated: 1999/03/30 17:24:31
+dnl --------------
+dnl Allow user to disable a normally-on option.
+AC_DEFUN([CF_ARG_DISABLE],
+[CF_ARG_OPTION($1,[$2],[$3],[$4],yes)])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_ARG_ENABLE version: 3 updated: 1999/03/30 17:24:31
+dnl -------------
+dnl Allow user to enable a normally-off option.
+AC_DEFUN([CF_ARG_ENABLE],
+[CF_ARG_OPTION($1,[$2],[$3],[$4],no)])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_ARG_OPTION version: 3 updated: 1997/10/18 14:42:41
+dnl -------------
+dnl Restricted form of AC_ARG_ENABLE that ensures user doesn't give bogus
+dnl values.
+dnl
+dnl Parameters:
+dnl $1 = option name
+dnl $2 = help-string
+dnl $3 = action to perform if option is not default
+dnl $4 = action if perform if option is default
+dnl $5 = default option value (either 'yes' or 'no')
+AC_DEFUN([CF_ARG_OPTION],
+[AC_ARG_ENABLE($1,[$2],[test "$enableval" != ifelse($5,no,yes,no) && enableval=ifelse($5,no,no,yes)
+  if test "$enableval" != "$5" ; then
+ifelse($3,,[    :]dnl
+,[    $3]) ifelse($4,,,[
+  else
+    $4])
+  fi],[enableval=$5 ifelse($4,,,[
+  $4
+])dnl
+  ])])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_ARG_WITH version: 3 updated: 2000/07/20 00:41:18
+dnl -----------
+dnl Restricted form of AC_ARG_WITH that requires user to specify a value
+dnl $1 = option name
+dnl $2 = help message
+dnl $3 = variable to set with the --with value
+dnl $4 = default value, if any, must be constant.
+dnl $5 = default value shown for --help if $4 is empty.
+AC_DEFUN([CF_ARG_WITH],
+[AC_ARG_WITH($1,[$2 ](default: ifelse($4,,ifelse($5,,empty,$5),$4)),,
+ifelse($4,,[withval="${$3}"],[withval="${$3-$4}"]))dnl
+ifelse($4,,[test -n "$withval" && \
+],[test -z "$withval" && withval=no
+])dnl
+case "$withval" in #(vi
+yes)
+  AC_ERROR(expected a value for --with-$1)
+  ;; #(vi
+no) withval=""
+  ;;
+esac
+$3="$withval"
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_BUNDLED_INTL version: 6 updated: 2003/06/06 00:48:41
+dnl ---------------
+dnl Top-level macro for configuring an application with a bundled copy of
+dnl the intl and po directories for gettext.
+dnl
+dnl $1 specifies either Makefile or makefile, defaulting to the former.
+dnl $2 if nonempty sets the option to --enable-nls rather than to --disable-nls
+dnl
+dnl Sets variables which can be used to substitute in makefiles:
+dnl	INTLDIR_MAKE - to make ./intl directory
+dnl	MSG_DIR_MAKE - to make ./po directory
+dnl	SUB_MAKEFILE - list of makefiles in ./intl, ./po directories
+dnl Defines
+dnl	HAVE_LIBGETTEXT_H if we're using ./intl
+dnl
+AC_DEFUN([CF_BUNDLED_INTL],[
+cf_makefile=ifelse($1,,Makefile,$1)
+
+dnl Set of available languages (based on source distribution).  Note that
+dnl setting $LINGUAS overrides $ALL_LINGUAS.  Some environments set $LINGUAS
+dnl rather than $LC_ALL
+test -z "$ALL_LINGUAS" && ALL_LINGUAS=`test -d $srcdir/po && cd $srcdir/po && echo *.po|sed -e 's/\.po//g' -e 's/*//'`
+
+AM_GNU_GETTEXT(,,,[$2])
+
+INTLDIR_MAKE=
+MSG_DIR_MAKE=
+SUB_MAKEFILE=
+
+dnl this updates SUB_MAKEFILE and MSG_DIR_MAKE:
+CF_OUR_MESSAGES($1)
+
+if test "$USE_INCLUDED_LIBINTL" = yes ; then
+        if test "$nls_cv_force_use_gnu_gettext" = yes ; then
+		SUB_MAKEFILE="$SUB_MAKEFILE intl/$cf_makefile"
+	elif test "$nls_cv_use_gnu_gettext" = yes ; then
+		SUB_MAKEFILE="$SUB_MAKEFILE intl/$cf_makefile"
+	else
+		INTLDIR_MAKE="#"
+	fi
+	if test -z "$INTLDIR_MAKE"; then
+		AC_DEFINE(HAVE_LIBGETTEXT_H)
+	fi
+else
+	INTLDIR_MAKE="#"
+	if test "$USE_NLS" = yes ; then
+		AC_CHECK_HEADERS(libintl.h)
+	fi
+fi
+
+if test -z "$INTLDIR_MAKE" ; then
+	CPPFLAGS="-I../intl $CPPFLAGS"
+fi
+
+dnl FIXME:  we use this in lynx (the alternative is a spurious dependency upon
+dnl GNU make)
+if test "$BUILD_INCLUDED_LIBINTL" = yes ; then
+	GT_YES="#"
+	GT_NO=
+else
+	GT_YES=
+	GT_NO="#"
+fi
+
+AC_SUBST(INTLDIR_MAKE)
+AC_SUBST(MSG_DIR_MAKE)
+AC_SUBST(GT_YES)
+AC_SUBST(GT_NO)
+
+dnl FIXME:  the underlying AM_GNU_GETTEXT macro either needs some fixes or a
+dnl little documentation.  It doesn't define anything so that we can ifdef our
+dnl own code, except ENABLE_NLS, which is too vague to be of any use.
+
+if test "$USE_INCLUDED_LIBINTL" = yes ; then
+	if test "$nls_cv_force_use_gnu_gettext" = yes ; then
+		AC_DEFINE(HAVE_GETTEXT)
+	elif test "$nls_cv_use_gnu_gettext" = yes ; then
+		AC_DEFINE(HAVE_GETTEXT)
+	fi
+	if test -n "$nls_cv_header_intl" ; then
+		AC_DEFINE(HAVE_LIBINTL_H)
+	fi
+fi
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_BUNDLED_PCRE version: 3 updated: 2002/04/17 21:09:56
+dnl ---------------
+dnl Top-level macro for configuring an application with a bundled copy of
+dnl the pcre library.
+dnl
+dnl $1 specifies the top of the directory containing PCRE's include, lib dirs.
+AC_DEFUN([CF_BUNDLED_PCRE],
+[
+cf_pcre_home=$1
+PCREDIR_MAKE=
+PCREDIR_LIBS=
+PCREDIR_CPPFLAGS=
+case .$cf_pcre_home in #(vi
+.no) #(vi
+	# setup to compile the bundled PCRE:
+	. $srcdir/pcre/version.sh
+	AC_SUBST(PCRE_MAJOR)
+	AC_SUBST(PCRE_MINOR)
+	AC_SUBST(PCRE_DATE)
+	AC_SUBST(PCRE_DEFINES)
+	;;
+.yes) #(vi
+	PCREDIR_MAKE='#'
+	PCREDIR_LIBS="-lpcre"
+	;;
+.*)
+	CF_PATH_SYNTAX(cf_pcre_home)
+	PCREDIR_MAKE='#'
+	PCREDIR_LIBS="-L${cf_pcre_home}/lib -lpcre"
+	PCREDIR_CPPFLAGS="-I${cf_pcre_home}/include"
+	;;
+esac
+AC_SUBST(PCREDIR_MAKE)
+AC_SUBST(PCREDIR_LIBS)
+AC_SUBST(PCREDIR_CPPFLAGS)
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_CHECK_1_DECL version: 5 updated: 2001/07/22 21:09:16
+dnl ---------------
+dnl Check for missing declarations in the system headers (adapted from vile).
+dnl
+dnl CHECK_DECL_FLAG and CHECK_DECL_HDRS must be set in configure.in
+AC_DEFUN([CF_CHECK_1_DECL],
+[
+AC_MSG_CHECKING([for missing "$1" extern])
+AC_CACHE_VAL([cf_cv_func_$1],[
+CF_MSG_LOG([for missing "$1" external])
+cf_save_CFLAGS="$CFLAGS"
+CFLAGS="$CFLAGS $CHECK_DECL_FLAG"
+AC_TRY_LINK([
+$CHECK_DECL_HDRS
+
+#undef $1
+struct zowie { int a; double b; struct zowie *c; char d; };
+extern struct zowie *$1();
+],
+[
+],
+[if test -n "$CHECK_DECL_HDRS" ; then
+# try to work around system headers which are infested with non-standard syntax
+CF_UPPER(cf_1_up,$1)
+AC_TRY_COMPILE([
+#define DECL_${cf_1_up}
+$CHECK_DECL_HDRS
+],[long x = 0],
+[eval 'cf_cv_func_'$1'=yes'],
+[eval 'cf_cv_func_'$1'=no'])
+else
+eval 'cf_cv_func_'$1'=yes'
+fi
+],
+[eval 'cf_cv_func_'$1'=no'])
+CFLAGS="$cf_save_CFLAGS"
+])
+eval 'cf_result=$cf_cv_func_'$1
+AC_MSG_RESULT($cf_result)
+test $cf_result = yes && AC_DEFINE_UNQUOTED(DECL_$2)
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_CHECK_CACHE version: 7 updated: 2001/12/19 00:50:10
+dnl --------------
+dnl Check if we're accidentally using a cache from a different machine.
+dnl Derive the system name, as a check for reusing the autoconf cache.
+dnl
+dnl If we've packaged config.guess and config.sub, run that (since it does a
+dnl better job than uname).  Normally we'll use AC_CANONICAL_HOST, but allow
+dnl an extra parameter that we may override, e.g., for AC_CANONICAL_SYSTEM
+dnl which is useful in cross-compiles.
+AC_DEFUN([CF_CHECK_CACHE],
+[
+if test -f $srcdir/config.guess ; then
+	ifelse([$1],,[AC_CANONICAL_HOST],[$1])
+	system_name="$host_os"
+else
+	system_name="`(uname -s -r) 2>/dev/null`"
+	if test -z "$system_name" ; then
+		system_name="`(hostname) 2>/dev/null`"
+	fi
+fi
+test -n "$system_name" && AC_DEFINE_UNQUOTED(SYSTEM_NAME,"$system_name")
+AC_CACHE_VAL(cf_cv_system_name,[cf_cv_system_name="$system_name"])
+
+test -z "$system_name" && system_name="$cf_cv_system_name"
+test -n "$cf_cv_system_name" && AC_MSG_RESULT(Configuring for $cf_cv_system_name)
+
+if test ".$system_name" != ".$cf_cv_system_name" ; then
+	AC_MSG_RESULT(Cached system name ($system_name) does not agree with actual ($cf_cv_system_name))
+	AC_ERROR("Please remove config.cache and try again.")
+fi
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_CHECK_CFLAGS version: 2 updated: 2001/12/30 19:09:58
+dnl ---------------
+dnl Conditionally add to $CFLAGS and $CPPFLAGS values which are derived from
+dnl a build-configuration such as imake.  These have the pitfall that they
+dnl often contain compiler-specific options which we cannot use, mixed with
+dnl preprocessor options that we usually can.
+AC_DEFUN([CF_CHECK_CFLAGS],
+[
+CF_VERBOSE(checking additions to CFLAGS)
+cf_check_cflags="$CFLAGS"
+cf_check_cppflags="$CPPFLAGS"
+CF_ADD_CFLAGS($1,yes)
+if test "$cf_check_cflags" != "$CFLAGS" ; then
+AC_TRY_LINK([#include <stdio.h>],[printf("Hello world");],,
+	[CF_VERBOSE(test-compile failed.  Undoing change to \$CFLAGS)
+	 if test "$cf_check_cppflags" != "$CPPFLAGS" ; then
+		 CF_VERBOSE(but keeping change to \$CPPFLAGS)
+	 fi
+	 CFLAGS="$cf_check_flags"])
+fi
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_CHECK_DECL version: 2 updated: 1997/08/28 23:57:55
+dnl -------------
+AC_DEFUN([CF_CHECK_DECL],
+[for ac_func in $1
+do
+CF_UPPER(ac_tr_func,$ac_func)
+CF_CHECK_1_DECL(${ac_func}, ${ac_tr_func})dnl
+done
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_CHECK_ERRNO version: 9 updated: 2001/12/30 18:03:23
+dnl --------------
+dnl Check for data that is usually declared in <stdio.h> or <errno.h>, e.g.,
+dnl the 'errno' variable.  Define a DECL_xxx symbol if we must declare it
+dnl ourselves.
+dnl
+dnl $1 = the name to check
+AC_DEFUN([CF_CHECK_ERRNO],
+[
+AC_CACHE_CHECK(if external $1 is declared, cf_cv_dcl_$1,[
+    AC_TRY_COMPILE([
+#ifdef HAVE_STDLIB_H
+#include <stdlib.h>
+#endif
+#include <stdio.h>
+#include <sys/types.h>
+#include <errno.h> ],
+    [long x = (long) $1],
+    [cf_cv_dcl_$1=yes],
+    [cf_cv_dcl_$1=no])
+])
+
+if test "$cf_cv_dcl_$1" = no ; then
+    CF_UPPER(cf_result,decl_$1)
+    AC_DEFINE_UNQUOTED($cf_result)
+fi
+
+# It's possible (for near-UNIX clones) that the data doesn't exist
+CF_CHECK_EXTERN_DATA($1,int)
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_CHECK_EXTERN_DATA version: 3 updated: 2001/12/30 18:03:23
+dnl --------------------
+dnl Check for existence of external data in the current set of libraries.  If
+dnl we can modify it, it's real enough.
+dnl $1 = the name to check
+dnl $2 = its type
+AC_DEFUN([CF_CHECK_EXTERN_DATA],
+[
+AC_CACHE_CHECK(if external $1 exists, cf_cv_have_$1,[
+    AC_TRY_LINK([
+#undef $1
+extern $2 $1;
+],
+    [$1 = 2],
+    [cf_cv_have_$1=yes],
+    [cf_cv_have_$1=no])
+])
+
+if test "$cf_cv_have_$1" = yes ; then
+    CF_UPPER(cf_result,have_$1)
+    AC_DEFINE_UNQUOTED($cf_result)
+fi
+
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_CHECK_HEADERS version: 3 updated: 2000/11/03 11:14:19
+dnl ----------------
+dnl AC_CHECK_HEADERS(sys/socket.h) fails on OS/2 EMX because it demands that
+dnl <sys/types.h> be included first.
+dnl
+dnl Also <sys/dir.h> and <sys/dirent.h> and <sys/stat.h>, but we normally do
+dnl not do our own tests via AC_CHECK_HEADERS for those.
+AC_DEFUN([CF_CHECK_HEADERS],[
+for cf_hdr in $1
+do
+	AC_MSG_CHECKING(for $cf_hdr)
+	AC_TRY_CPP([
+#include <sys/types.h>
+#include <$cf_hdr>
+],[cf_found=yes],[cf_found=no])
+AC_MSG_RESULT($cf_found)
+if test $cf_found = yes ; then
+	CF_UPPER(cf_tr_hdr,$cf_hdr)
+	AC_DEFINE_UNQUOTED(HAVE_${cf_tr_hdr})
+fi
+done
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_CHECK_IPV6 version: 2 updated: 2000/04/13 21:38:04
+dnl -------------
+dnl Check for IPV6 configuration.
+AC_DEFUN([CF_CHECK_IPV6],[
+CF_FIND_IPV6_TYPE
+CF_FIND_IPV6_LIBS
+
+CF_FUNC_GETADDRINFO
+
+if test "$cf_cv_getaddrinfo" != "yes"; then
+	if test "$cf_cv_ipv6type" != "linux"; then
+		AC_MSG_ERROR(
+[You must get working getaddrinfo() function,
+or you can specify "--disable-ipv6"])
+	else
+		AC_MSG_WARN(
+[The getaddrinfo() implementation on your system seems be buggy.
+You should upgrade your system library to the newest version
+of GNU C library (aka glibc).])
+	fi
+fi
+
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_CHECK_NESTED_PARAMS version: 2 updated: 1997/08/28 23:57:55
+dnl ----------------------
+dnl Check if the compiler allows nested parameter lists (some don't)
+AC_DEFUN([CF_CHECK_NESTED_PARAMS],
+[
+AC_MSG_CHECKING([if nested parameters work])
+AC_CACHE_VAL(cf_cv_nested_params,[
+	AC_TRY_COMPILE([],
+	[extern void (*sigdisp(int sig, void (*func)(int sig)))(int sig)],
+	[cf_cv_nested_params=yes],
+	[cf_cv_nested_params=no])
+])
+AC_MSG_RESULT($cf_cv_nested_params)
+test $cf_cv_nested_params = yes && AC_DEFINE(HAVE_NESTED_PARAMS)
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_COLOR_CURSES version: 6 updated: 2002/10/27 18:21:42
+dnl ---------------
+dnl Check if curses supports color.  (Note that while SVr3 curses supports
+dnl color, it does this differently from SVr4 curses; more work would be needed
+dnl to accommodate SVr3).
+dnl
+AC_DEFUN([CF_COLOR_CURSES],
+[
+AC_MSG_CHECKING(if curses supports color attributes)
+AC_CACHE_VAL(cf_cv_color_curses,[
+	AC_TRY_LINK([
+#include <${cf_cv_ncurses_header-curses.h}>
+],
+	[chtype x = COLOR_BLUE;
+	 has_colors();
+	 start_color();
+#ifndef NCURSES_BROKEN
+	 wbkgd(curscr, getbkgd(stdscr)); /* X/Open XPG4 aka SVr4 Curses */
+#endif
+	],
+	[cf_cv_color_curses=yes],
+	[cf_cv_color_curses=no])
+	])
+AC_MSG_RESULT($cf_cv_color_curses)
+if test $cf_cv_color_curses = yes ; then
+	AC_DEFINE(COLOR_CURSES)
+	test ".$cf_cv_ncurses_broken" != .yes && AC_DEFINE(HAVE_GETBKGD)
+fi
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_COMPTYPE version: 2 updated: 1997/08/28 23:57:55
+dnl -----------
+dnl Check if the compiler uses 'void *' for qsort's compare function parameters
+dnl (i.e., it's an ANSI prototype).
+AC_DEFUN([CF_COMPTYPE],
+[
+AC_MSG_CHECKING([for ANSI qsort])
+AC_CACHE_VAL(cf_cv_comptype,[
+	AC_TRY_COMPILE([
+#ifdef HAVE_STDLIB_H
+#include <stdlib.h>
+#endif],
+	[extern int compare(const void *, const void *);
+	 char *foo = "string";
+	 qsort(foo, sizeof(foo)/sizeof(*foo), sizeof(*foo), compare)],
+	[cf_cv_comptype=yes],
+	[cf_cv_comptype=no])
+])
+AC_MSG_RESULT($cf_cv_comptype)
+if test $cf_cv_comptype = yes; then
+	AC_DEFINE(HAVE_COMPTYPE_VOID)
+else
+	AC_DEFINE(HAVE_COMPTYPE_CHAR)
+fi
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_COREFILE version: 2 updated: 1997/08/28 23:57:55
+dnl -----------
+dnl Check if the application can dump core (for debugging).
+AC_DEFUN([CF_COREFILE],
+[
+AC_MSG_CHECKING([if application can dump core])
+AC_CACHE_VAL(cf_cv_corefile,[
+	AC_TRY_RUN([
+#include <signal.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+int found()
+{
+	struct stat sb;
+	return ((stat("core", &sb) == 0			/* UNIX */
+	   ||    stat("conftest.core", &sb) == 0	/* FreeBSD */
+		)
+		&& ((sb.st_mode & S_IFMT) == S_IFREG));
+}
+int main()
+{
+#ifdef __amiga__
+/* Nicholas d'Alterio (nagd@ic.ac.uk) reports that the check for ability to
+ * core dump causes the machine to crash - reason unknown (gcc 2.7.2)
+ */
+	exit(1);
+#else
+	int	pid, status;
+	if (found())
+		unlink("core");
+	if (found())
+		exit(1);
+	if ((pid = fork()) != 0) {
+		while (wait(&status) <= 0)
+			;
+	} else {
+		abort();	/* this will dump core, if anything will */
+	}
+	if (found()) {
+		unlink("core");
+		exit(0);
+	}
+	exit(1);
+#endif
+}],
+	[cf_cv_corefile=yes],
+	[cf_cv_corefile=no],
+	[cf_cv_corefile=unknown])])
+AC_MSG_RESULT($cf_cv_corefile)
+test $cf_cv_corefile = yes && AC_DEFINE(HAVE_COREFILE)
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_CPP_CONCATS version: 2 updated: 1997/08/28 23:57:55
+dnl --------------
+dnl Test for ANSI token expansion (used in 'assert').
+AC_DEFUN([CF_CPP_CONCATS],
+[
+AC_MSG_CHECKING([for ansi token concatenation])
+AC_CACHE_VAL(cf_cv_cpp_concats,[
+	AC_TRY_COMPILE([
+#define concat(a,b) a ## b],
+	[char *firstlast = "y", *s = concat(first,last)],
+	[cf_cv_cpp_concats=yes],
+	[cf_cv_cpp_concats=no])
+])
+AC_MSG_RESULT($cf_cv_cpp_concats)
+test $cf_cv_cpp_concats = yes && AC_DEFINE(CPP_DOES_CONCAT)
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_CPP_EXPANDS version: 2 updated: 1997/08/28 23:57:55
+dnl --------------
+dnl Test for ANSI token expansion (used in 'assert').
+AC_DEFUN([CF_CPP_EXPANDS],
+[
+AC_MSG_CHECKING([for ansi token expansion/substitution])
+AC_CACHE_VAL(cf_cv_cpp_expands,[
+	AC_TRY_COMPILE([
+#define string(n) #n],
+	[char *s = string(token)],
+	[cf_cv_cpp_expands=yes],
+	[cf_cv_cpp_expands=no])
+])
+AC_MSG_RESULT($cf_cv_cpp_expands)
+test $cf_cv_cpp_expands = yes && AC_DEFINE(CPP_DOES_EXPAND)
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_CURSES_CPPFLAGS version: 7 updated: 2003/06/06 00:48:41
+dnl ------------------
+dnl Look for the curses headers.
+AC_DEFUN([CF_CURSES_CPPFLAGS],[
+
+AC_CACHE_CHECK(for extra include directories,cf_cv_curses_incdir,[
+cf_cv_curses_incdir=no
+case $host_os in #(vi
+hpux10.*|hpux11.*) #(vi
+	test -d /usr/include/curses_colr && \
+	cf_cv_curses_incdir="-I/usr/include/curses_colr"
+	;;
+sunos3*|sunos4*)
+	test -d /usr/5lib && \
+	test -d /usr/5include && \
+	cf_cv_curses_incdir="-I/usr/5include"
+	;;
+esac
+])
+test "$cf_cv_curses_incdir" != no && CPPFLAGS="$cf_cv_curses_incdir $CPPFLAGS"
+
+AC_CACHE_CHECK(if we have identified curses headers,cf_cv_ncurses_header,[
+cf_cv_ncurses_header=none
+for cf_header in \
+	curses.h \
+	ncurses.h \
+	ncurses/curses.h \
+	ncurses/ncurses.h
+do
+AC_TRY_COMPILE([#include <${cf_header}>],
+	[initscr(); tgoto("?", 0,0)],
+	[cf_cv_ncurses_header=$cf_header; break],[])
+done
+])
+
+if test "$cf_cv_ncurses_header" = none ; then
+	AC_MSG_ERROR(No curses header-files found)
+fi
+
+# cheat, to get the right #define's for HAVE_NCURSES_H, etc.
+AC_CHECK_HEADERS($cf_cv_ncurses_header)
+
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_CURSES_LIBS version: 22 updated: 2002/10/27 18:21:42
+dnl --------------
+dnl Look for the curses libraries.  Older curses implementations may require
+dnl termcap/termlib to be linked as well.  Call CF_CURSES_CPPFLAGS first.
+AC_DEFUN([CF_CURSES_LIBS],[
+
+AC_MSG_CHECKING(if we have identified curses libraries)
+AC_TRY_LINK([#include <${cf_cv_ncurses_header-curses.h}>],
+	[initscr(); tgoto("?", 0,0)],
+	cf_result=yes,
+	cf_result=no)
+AC_MSG_RESULT($cf_result)
+
+if test "$cf_result" = no ; then
+case $host_os in #(vi
+freebsd*) #(vi
+	AC_CHECK_LIB(mytinfo,tgoto,[LIBS="-lmytinfo $LIBS"])
+	;;
+hpux10.*|hpux11.*) #(vi
+	AC_CHECK_LIB(cur_colr,initscr,[
+		LIBS="-lcur_colr $LIBS"
+		ac_cv_func_initscr=yes
+		],[
+	AC_CHECK_LIB(Hcurses,initscr,[
+		# HP's header uses __HP_CURSES, but user claims _HP_CURSES.
+		LIBS="-lHcurses $LIBS"
+		CPPFLAGS="-D__HP_CURSES -D_HP_CURSES $CPPFLAGS"
+		ac_cv_func_initscr=yes
+		])])
+	;;
+linux*) # Suse Linux does not follow /usr/lib convention
+	LIBS="$LIBS -L/lib"
+	;;
+sunos3*|sunos4*)
+	test -d /usr/5lib && \
+	LIBS="$LIBS -L/usr/5lib -lcurses -ltermcap"
+	ac_cv_func_initscr=yes
+	;;
+esac
+
+if test ".$ac_cv_func_initscr" != .yes ; then
+	cf_save_LIBS="$LIBS"
+	cf_term_lib=""
+	cf_curs_lib=""
+
+	if test ".${cf_cv_ncurses_version-no}" != .no
+	then
+		cf_check_list="ncurses curses cursesX"
+	else
+		cf_check_list="cursesX curses ncurses"
+	fi
+
+	# Check for library containing tgoto.  Do this before curses library
+	# because it may be needed to link the test-case for initscr.
+	AC_CHECK_FUNC(tgoto,[cf_term_lib=predefined],[
+		for cf_term_lib in $cf_check_list termcap termlib unknown
+		do
+			AC_CHECK_LIB($cf_term_lib,tgoto,[break])
+		done
+	])
+
+	# Check for library containing initscr
+	test "$cf_term_lib" != predefined && test "$cf_term_lib" != unknown && LIBS="-l$cf_term_lib $cf_save_LIBS"
+	for cf_curs_lib in $cf_check_list xcurses jcurses unknown
+	do
+		AC_CHECK_LIB($cf_curs_lib,initscr,[break])
+	done
+	test $cf_curs_lib = unknown && AC_ERROR(no curses library found)
+
+	LIBS="-l$cf_curs_lib $cf_save_LIBS"
+	if test "$cf_term_lib" = unknown ; then
+		AC_MSG_CHECKING(if we can link with $cf_curs_lib library)
+		AC_TRY_LINK([#include <${cf_cv_ncurses_header-curses.h}>],
+			[initscr()],
+			[cf_result=yes],
+			[cf_result=no])
+		AC_MSG_RESULT($cf_result)
+		test $cf_result = no && AC_ERROR(Cannot link curses library)
+	elif test "$cf_curs_lib" = "$cf_term_lib" ; then
+		:
+	elif test "$cf_term_lib" != predefined ; then
+		AC_MSG_CHECKING(if we need both $cf_curs_lib and $cf_term_lib libraries)
+		AC_TRY_LINK([#include <${cf_cv_ncurses_header-curses.h}>],
+			[initscr(); tgoto((char *)0, 0, 0);],
+			[cf_result=no],
+			[
+			LIBS="-l$cf_curs_lib -l$cf_term_lib $cf_save_LIBS"
+			AC_TRY_LINK([#include <${cf_cv_ncurses_header-curses.h}>],
+				[initscr()],
+				[cf_result=yes],
+				[cf_result=error])
+			])
+		AC_MSG_RESULT($cf_result)
+	fi
+fi
+fi
+
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_CURSES_TERMCAP version: 10 updated: 2002/01/13 16:02:19
+dnl -----------------
+dnl Check if we should include <curses.h> to pick up prototypes for termcap
+dnl functions.  On terminfo systems, these are normally declared in <curses.h>,
+dnl but may be in <term.h>.  We check for termcap.h as an alternate, but it
+dnl isn't standard (usually associated with GNU termcap).
+dnl
+dnl The 'tgoto()' function is declared in both terminfo and termcap.
+dnl
+dnl See CF_TYPE_OUTCHAR for more details.
+AC_DEFUN([CF_CURSES_TERMCAP],
+[
+AC_REQUIRE([CF_CURSES_TERM_H])
+AC_CACHE_CHECK(if we should include curses.h or termcap.h, cf_cv_need_curses_h,[
+cf_save_CPPFLAGS="$CPPFLAGS"
+cf_cv_need_curses_h=no
+
+for cf_t_opts in "" "NEED_TERMCAP_H"
+do
+for cf_c_opts in "" "NEED_CURSES_H"
+do
+
+    CPPFLAGS="$cf_save_CPPFLAGS $CHECK_DECL_FLAG"
+    test -n "$cf_c_opts" && CPPFLAGS="$CPPFLAGS -D$cf_c_opts"
+    test -n "$cf_t_opts" && CPPFLAGS="$CPPFLAGS -D$cf_t_opts"
+
+    AC_TRY_LINK([/* $cf_c_opts $cf_t_opts */
+$CHECK_DECL_HDRS],
+	[char *x = (char *)tgoto("")],
+	[test "$cf_cv_need_curses_h" = no && {
+	     cf_cv_need_curses_h=maybe
+	     cf_ok_c_opts=$cf_c_opts
+	     cf_ok_t_opts=$cf_t_opts
+	}],
+	[echo "Recompiling with corrected call (C:$cf_c_opts, T:$cf_t_opts)" >&AC_FD_CC
+	AC_TRY_LINK([
+$CHECK_DECL_HDRS],
+	[char *x = (char *)tgoto("",0,0)],
+	[cf_cv_need_curses_h=yes
+	 cf_ok_c_opts=$cf_c_opts
+	 cf_ok_t_opts=$cf_t_opts])])
+
+	CPPFLAGS="$cf_save_CPPFLAGS"
+	test "$cf_cv_need_curses_h" = yes && break
+done
+	test "$cf_cv_need_curses_h" = yes && break
+done
+
+if test "$cf_cv_need_curses_h" != no ; then
+	echo "Curses/termcap test = $cf_cv_need_curses_h (C:$cf_ok_c_opts, T:$cf_ok_t_opts)" >&AC_FD_CC
+	if test -n "$cf_ok_c_opts" ; then
+		if test -n "$cf_ok_t_opts" ; then
+			cf_cv_need_curses_h=both
+		else
+			cf_cv_need_curses_h=curses.h
+		fi
+	elif test -n "$cf_ok_t_opts" ; then
+		cf_cv_need_curses_h=termcap.h
+	elif test "$cf_cv_term_header" != no ; then
+		cf_cv_need_curses_h=term.h
+	else
+		cf_cv_need_curses_h=no
+	fi
+fi
+])
+
+case $cf_cv_need_curses_h in
+both) #(vi
+	AC_DEFINE_UNQUOTED(NEED_CURSES_H)
+	AC_DEFINE_UNQUOTED(NEED_TERMCAP_H)
+	;;
+curses.h) #(vi
+	AC_DEFINE_UNQUOTED(NEED_CURSES_H)
+	;;
+term.h) #(vi
+	AC_DEFINE_UNQUOTED(NEED_TERM_H)
+	;;
+termcap.h) #(vi
+	AC_DEFINE_UNQUOTED(NEED_TERMCAP_H)
+	;;
+esac
+
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_CURSES_TERM_H version: 4 updated: 2002/01/12 17:08:23
+dnl ----------------
+dnl SVr4 curses should have term.h as well (where it puts the definitions of
+dnl the low-level interface).  This may not be true in old/broken implementations,
+dnl as well as in misconfigured systems (e.g., gcc configured for Solaris 2.4
+dnl running with Solaris 2.5.1).
+AC_DEFUN([CF_CURSES_TERM_H],
+[
+AC_CACHE_CHECK(for term.h, cf_cv_term_header,[
+for cf_header in \
+	ncurses/term.h \
+	term.h
+do
+	AC_TRY_COMPILE([
+#include <${cf_cv_ncurses_header-curses.h}>
+#include <${cf_header}>],
+	[WINDOW *x],
+	[cf_cv_term_header=$cf_header],
+	[cf_cv_term_header=no])
+done
+])
+
+case $cf_cv_term_header in #(vi
+term.h) #(vi
+	AC_DEFINE(HAVE_TERM_H)
+	;;
+ncurses/term.h)
+	AC_DEFINE(HAVE_NCURSES_TERM_H)
+	;;
+esac
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_DEFAULT_SHELL version: 5 updated: 2002/12/04 00:06:27
+dnl ----------------
+dnl Look for a Bourne-shell compatible program from a list that we know about:
+dnl	ash	Almquist Shell (sh based)
+dnl	bash	Bourne Again Shell (sh, ksh based)
+dnl	dash	Debian Almquist Shell (sh based)
+dnl	jsh	Job Control Bourne Shell (sh based)
+dnl	keysh	Key Shell (ksh based)
+dnl	ksh	Korn Shell (sh based)
+dnl	pdksh	Public-domain ksh
+dnl	sh	Bourne Shell or POSIX Shell
+dnl	zsh	Z Shell (sh, ksh based)
+dnl On BSD systems look for a C Shell compatible program:
+dnl	csh	C Shell
+dnl	tcsh	TENEX C Shell (csh based)
+AC_DEFUN([CF_DEFAULT_SHELL],
+[
+AC_MSG_CHECKING(for the default shell program)
+cf_shell_progs="ifelse($1,,sh,[$1])"
+if test -z "$cf_shell_progs" ; then
+	cf_shell_progs="sh ksh bash zsh pdksh jsh keysh ash dash"
+	# TIN preferred default shell for BSD systems is csh. Others are sh.
+	AC_TRY_COMPILE([
+#include <sys/params.h>],[
+#if (defined(BSD) && (BSD >= 199103))
+#else
+make an error
+#endif
+],[$cf_shell_progs="csh tcsh $cf_shell_progs"])
+fi
+CF_MSG_LOG(paths of shell programs: $cf_shell_progs)
+if test -s /etc/shells && test `egrep -c -v '^(#| |    |$)' /etc/shells` -gt 0; then
+	CF_MSG_LOG(/etc/shells)
+	for cf_prog in $cf_shell_progs
+	do
+		case $cf_prog in
+			/*)
+				cf_pattern="^"$cf_prog"$"
+				;;
+			*/*)
+				AC_MSG_ERROR(Program name must be absolute or filename: $cf_prog)
+				;;
+			*)
+				cf_pattern="/"$cf_prog"$"
+				;;
+		esac
+		cf_path=`egrep $cf_pattern /etc/shells 2>/dev/null`
+		if test -n "$cf_path"
+		then
+			for cf_shell in $cf_path
+			do
+				if test -f "$cf_shell"
+				then
+					DEFAULT_SHELL="$cf_shell"
+					break
+				fi
+			done
+		fi
+		if test -n "$DEFAULT_SHELL"
+		then
+			break
+		fi
+	done
+	AC_MSG_RESULT($DEFAULT_SHELL)
+else
+	CF_MSG_LOG($PATH)
+AC_PATH_PROGS(DEFAULT_SHELL,
+	$cf_shell_progs,,
+	$PATH:/bin:/usr/bin:/usr/xpg4/bin:/bin/posix:/usr/bin/posix:/usr/old/bin:/usr/local/bin)
+fi
+if test -z "$DEFAULT_SHELL" ; then
+	AC_MSG_WARN(
+Cannot find the default shell you specified: $cf_shell_progs)
+	if test -f /bin/false ; then
+		AC_MSG_WARN(Using /bin/false instead)
+		DEFAULT_SHELL=/bin/false
+	else
+		AC_MSG_ERROR(Cannot use /bin/false because it does not exist)
+	fi
+fi
+AC_DEFINE_UNQUOTED(DEFAULT_SHELL,"$DEFAULT_SHELL")
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_DEFINE_STRING version: 2 updated: 2001/07/22 21:09:16
+dnl ----------------
+dnl Define a string which may contain escaped quotes or backslashes
+dnl $1 = symbol to define
+dnl $2 = the information we want to quote
+AC_DEFUN([CF_DEFINE_STRING],
+[
+cf_define=`echo $2|sed -e 's/\\\\/\\\\134/g' -e 's/^[[ 	]]\\+//' -e 's/[[ 	]]\\+$//' -e 's/"/\\\\042/g'`
+AC_DEFINE_UNQUOTED($1, "$cf_define")
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_DIRNAME version: 4 updated: 2002/12/21 19:25:52
+dnl ----------
+dnl "dirname" is not portable, so we fake it with a shell script.
+AC_DEFUN([CF_DIRNAME],[$1=`echo $2 | sed -e 's%/[[^/]]*$%%'`])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_DISABLE_ECHO version: 10 updated: 2003/04/17 22:27:11
+dnl ---------------
+dnl You can always use "make -n" to see the actual options, but it's hard to
+dnl pick out/analyze warning messages when the compile-line is long.
+dnl
+dnl Sets:
+dnl	ECHO_LT - symbol to control if libtool is verbose
+dnl	ECHO_LD - symbol to prefix "cc -o" lines
+dnl	RULE_CC - symbol to put before implicit "cc -c" lines (e.g., .c.o)
+dnl	SHOW_CC - symbol to put before explicit "cc -c" lines
+dnl	ECHO_CC - symbol to put before any "cc" line
+dnl
+AC_DEFUN([CF_DISABLE_ECHO],[
+AC_MSG_CHECKING(if you want to see long compiling messages)
+CF_ARG_DISABLE(echo,
+	[  --disable-echo          display "compiling" commands],
+	[
+    ECHO_LT='--silent'
+    ECHO_LD='@echo linking [$]@;'
+    RULE_CC='	@echo compiling [$]<'
+    SHOW_CC='	@echo compiling [$]@'
+    ECHO_CC='@'
+],[
+    ECHO_LT=''
+    ECHO_LD=''
+    RULE_CC='# compiling'
+    SHOW_CC='# compiling'
+    ECHO_CC=''
+])
+AC_MSG_RESULT($enableval)
+AC_SUBST(ECHO_LT)
+AC_SUBST(ECHO_LD)
+AC_SUBST(RULE_CC)
+AC_SUBST(SHOW_CC)
+AC_SUBST(ECHO_CC)
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_ERRNO version: 5 updated: 1997/11/30 12:44:39
+dnl --------
+dnl Check if 'errno' is declared in <errno.h>
+AC_DEFUN([CF_ERRNO],
+[
+CF_CHECK_ERRNO(errno)
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_FIND_IPV6_LIBS version: 6 updated: 2002/11/09 09:05:18
+dnl -----------------
+dnl Based on the IPV6 stack type, look for the corresponding library.
+AC_DEFUN([CF_FIND_IPV6_LIBS],[
+AC_REQUIRE([CF_FIND_IPV6_TYPE])
+
+cf_ipv6lib=none
+cf_ipv6dir=none
+
+AC_MSG_CHECKING(for IPv6 library if required)
+case $cf_cv_ipv6type in #(vi
+solaris) #(vi
+	;;
+inria) #(vi
+	;;
+kame) #(vi
+	dnl http://www.kame.net/
+	cf_ipv6lib=inet6
+	cf_ipv6dir=v6
+	;;
+linux-glibc) #(vi
+	;;
+linux-libinet6) #(vi
+	dnl http://www.v6.linux.or.jp/
+	cf_ipv6lib=inet6
+	cf_ipv6dir=inet6
+	;;
+toshiba) #(vi
+	cf_ipv6lib=inet6
+	cf_ipv6dir=v6
+	;;
+v6d) #(vi
+	cf_ipv6lib=v6
+	cf_ipv6dir=v6
+	;;
+zeta)
+	cf_ipv6lib=inet6
+	cf_ipv6dir=v6
+	;;
+esac
+AC_MSG_RESULT($cf_ipv6lib)
+
+if test "$cf_ipv6lib" != "none"; then
+
+	AC_TRY_LINK([
+#include <sys/types.h>
+#include <netdb.h>
+#include <netinet/in.h>
+#include <netinet/ip6.h>],
+	[getaddrinfo(0, 0, 0, 0)],,[
+	CF_HEADER_PATH(cf_search,$cf_ipv6dir)
+	for cf_incdir in $cf_search
+	do
+		cf_header=$cf_incdir/netinet/ip6.h
+		if test -f $cf_header
+		then
+			CPPFLAGS="$CPPFLAGS -I$cf_incdir"
+			test -n "$verbose" && echo "	... found $cf_header" 1>&AC_FD_MSG
+			break
+		fi
+		test -n "$verbose" && echo "	... tested $cf_header" 1>&AC_FD_MSG
+	done
+	])
+
+	CF_FIND_LIBRARY([$cf_ipv6lib],[$cf_ipv6dir],[
+#include <sys/types.h>
+#include <netdb.h>
+#include <netinet/in.h>
+#include <netinet/ip6.h>],
+	[getaddrinfo(0, 0, 0, 0)],
+	[getaddrinfo],
+	noexit)
+	if test $cf_found_library = no ; then
+		AC_MSG_ERROR(
+[No $cf_ipv6lib library found, cannot continue.  You must fetch lib$cf_ipv6lib.a
+from an appropriate IPv6 kit and compile beforehand.])
+	fi
+fi
+
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_FIND_IPV6_TYPE version: 5 updated: 2001/10/11 20:46:17
+dnl -----------------
+AC_DEFUN([CF_FIND_IPV6_TYPE],[
+AC_CACHE_CHECK(ipv6 stack type, cf_cv_ipv6type, [
+cf_cv_ipv6type=unknown
+for i in solaris inria kame linux-glibc linux-libinet6 toshiba v6d zeta
+do
+	case $i in #(vi
+	solaris) #(vi
+		if test "SunOS" = "`uname -s`"
+		then
+		  if test -f /usr/include/netinet/ip6.h
+		  then
+			cf_cv_ipv6type=$i
+		  fi
+		fi
+		;;
+	inria) #(vi
+		dnl http://www.kame.net/
+		AC_EGREP_CPP(yes, [
+#include <netinet/in.h>
+#ifdef IPV6_INRIA_VERSION
+yes
+#endif],	[cf_cv_ipv6type=$i])
+		;;
+	kame) #(vi
+		dnl http://www.kame.net/
+		AC_EGREP_CPP(yes, [
+#include <netinet/in.h>
+#ifdef __KAME__
+yes
+#endif],	[cf_cv_ipv6type=$i])
+		;;
+	linux-glibc) #(vi
+		dnl http://www.v6.linux.or.jp/
+		AC_EGREP_CPP(yes, [
+#include <features.h>
+#if defined(__GLIBC__) && __GLIBC__ >= 2 && __GLIBC_MINOR__ >= 1
+yes
+#endif],	[cf_cv_ipv6type=$i])
+		;;
+	linux-libinet6) #(vi
+		dnl http://www.v6.linux.or.jp/
+		if test -d /usr/inet6
+		then
+			cf_cv_ipv6type=$i
+		elif test -f /usr/include/netinet/ip6.h
+		then
+			cf_cv_ipv6type=$i
+		fi
+		;;
+	toshiba) #(vi
+		AC_EGREP_CPP(yes, [
+#include <sys/param.h>
+#ifdef _TOSHIBA_INET6
+yes
+#endif],	[cf_cv_ipv6type=$i])
+		;;
+	v6d) #(vi
+		AC_EGREP_CPP(yes, [
+#include </usr/local/v6/include/sys/v6config.h>
+#ifdef __V6D__
+yes
+#endif],	[cf_cv_ipv6type=$i])
+		;;
+	zeta)
+		AC_EGREP_CPP(yes, [
+#include <sys/param.h>
+#ifdef _ZETA_MINAMI_INET6
+yes
+#endif],	[cf_cv_ipv6type=$i])
+		;;
+	esac
+	if test "$cf_cv_ipv6type" != "unknown"; then
+		break
+	fi
+done
+])
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_FIND_LIBRARY version: 7 updated: 2000/04/13 21:38:04
+dnl ---------------
+dnl Look for a non-standard library, given parameters for AC_TRY_LINK.  We
+dnl prefer a standard location, and use -L options only if we do not find the
+dnl library in the standard library location(s).
+dnl	$1 = library name
+dnl	$2 = library class, usually the same as library name
+dnl	$3 = includes
+dnl	$4 = code fragment to compile/link
+dnl	$5 = corresponding function-name
+dnl	$6 = flag, nonnull if failure causes an error-exit
+dnl
+dnl Sets the variable "$cf_libdir" as a side-effect, so we can see if we had
+dnl to use a -L option.
+AC_DEFUN([CF_FIND_LIBRARY],
+[
+	eval 'cf_cv_have_lib_'$1'=no'
+	cf_libdir=""
+	AC_CHECK_FUNC($5,
+		eval 'cf_cv_have_lib_'$1'=yes',[
+		cf_save_LIBS="$LIBS"
+		AC_MSG_CHECKING(for $5 in -l$1)
+		LIBS="-l$1 $LIBS"
+		AC_TRY_LINK([$3],[$4],
+			[AC_MSG_RESULT(yes)
+			 eval 'cf_cv_have_lib_'$1'=yes'
+			],
+			[AC_MSG_RESULT(no)
+			CF_LIBRARY_PATH(cf_search,$2)
+			for cf_libdir in $cf_search
+			do
+				AC_MSG_CHECKING(for -l$1 in $cf_libdir)
+				LIBS="-L$cf_libdir -l$1 $cf_save_LIBS"
+				AC_TRY_LINK([$3],[$4],
+					[AC_MSG_RESULT(yes)
+			 		 eval 'cf_cv_have_lib_'$1'=yes'
+					 break],
+					[AC_MSG_RESULT(no)
+					 LIBS="$cf_save_LIBS"])
+			done
+			])
+		])
+eval 'cf_found_library=[$]cf_cv_have_lib_'$1
+ifelse($6,,[
+if test $cf_found_library = no ; then
+	AC_ERROR(Cannot link $1 library)
+fi
+])
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_FIX_SLASHES version: 2 updated: 2001/05/27 21:36:02
+dnl --------------
+dnl OS/2 and Cygwin ports may pick up backslashes in pathnames, which are not
+dnl usable in quoted strings.  Fix them.
+dnl	$1=fixed($2)
+AC_DEFUN([CF_FIX_SLASHES],
+[
+case $cf_cv_system_name in #(vi
+os2*|cygwin*)
+	$1=`echo "[$]$1" | sed -e 's%\\\\%/%g'`
+	;;
+esac
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_FUNC_FORK version: 2 updated: 1997/08/28 23:57:55
+dnl ------------
+dnl Check if 'fork()' is available, and working.  Amiga (and possibly other
+dnl machines) have a non-working 'fork()' entrypoint.
+AC_DEFUN([CF_FUNC_FORK],
+[AC_MSG_CHECKING([for fork])
+AC_CACHE_VAL(cf_cv_func_fork,[
+AC_TRY_RUN([
+int main()
+{
+	if (fork() < 0)
+		exit(1);
+	exit(0);
+}],	[cf_cv_func_fork=yes],
+	[cf_cv_func_fork=no],
+	[cf_cv_func_fork=unknown])
+])dnl
+AC_MSG_RESULT($cf_cv_func_fork)
+test $cf_cv_func_fork = yes && AC_DEFINE(HAVE_FORK)
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_FUNC_GETADDRINFO version: 5 updated: 2000/09/28 06:18:08
+dnl -------------------
+dnl Look for a working version of getaddrinfo(), for IPV6 support.
+AC_DEFUN([CF_FUNC_GETADDRINFO],[
+AC_CACHE_CHECK(working getaddrinfo, cf_cv_getaddrinfo,[
+AC_TRY_RUN([
+#include <sys/types.h>
+#include <netdb.h>
+#include <string.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+
+#define expect(a,b) if (strcmp(a,b) != 0) goto bad
+
+int main()
+{
+   int passive, gaierr, inet4 = 0, inet6 = 0;
+   struct addrinfo hints, *ai, *aitop;
+   char straddr[INET6_ADDRSTRLEN], strport[16];
+
+   for (passive = 0; passive <= 1; passive++) {
+     memset(&hints, 0, sizeof(hints));
+     hints.ai_family = AF_UNSPEC;
+     hints.ai_flags = passive ? AI_PASSIVE : 0;
+     hints.ai_socktype = SOCK_STREAM;
+     if ((gaierr = getaddrinfo(NULL, "54321", &hints, &aitop)) != 0) {
+       (void)gai_strerror(gaierr);
+       goto bad;
+     }
+     for (ai = aitop; ai; ai = ai->ai_next) {
+       if (ai->ai_addr == NULL ||
+           ai->ai_addrlen == 0 ||
+           getnameinfo(ai->ai_addr, ai->ai_addrlen,
+                       straddr, sizeof(straddr), strport, sizeof(strport),
+                       NI_NUMERICHOST|NI_NUMERICSERV) != 0) {
+         goto bad;
+       }
+       switch (ai->ai_family) {
+       case AF_INET:
+         expect(strport, "54321");
+         if (passive) {
+           expect(straddr, "0.0.0.0");
+         } else {
+           expect(straddr, "127.0.0.1");
+         }
+         inet4++;
+         break;
+       case AF_INET6:
+         expect(strport, "54321");
+         if (passive) {
+           expect(straddr, "::");
+         } else {
+           expect(straddr, "::1");
+         }
+         inet6++;
+         break;
+       case AF_UNSPEC:
+         goto bad;
+         break;
+       default:
+         /* another family support? */
+         break;
+       }
+     }
+   }
+
+   if (!(inet4 == 0 || inet4 == 2))
+     goto bad;
+   if (!(inet6 == 0 || inet6 == 2))
+     goto bad;
+
+   if (aitop)
+     freeaddrinfo(aitop);
+   exit(0);
+
+  bad:
+   if (aitop)
+     freeaddrinfo(aitop);
+   exit(1);
+}
+],
+[cf_cv_getaddrinfo=yes],
+[cf_cv_getaddrinfo=no],
+[cf_cv_getaddrinfo=unknown])
+])
+if test "$cf_cv_getaddrinfo" = yes ; then
+	AC_DEFINE(HAVE_GAI_STRERROR)
+	AC_DEFINE(HAVE_GETADDRINFO)
+fi
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_FUNC_MEMMOVE version: 5 updated: 2000/08/12 23:18:52
+dnl ---------------
+dnl Check for memmove, or a bcopy that can handle overlapping copy.  If neither
+dnl is found, add our own version of memmove to the list of objects.
+AC_DEFUN([CF_FUNC_MEMMOVE],
+[
+AC_CHECK_FUNC(memmove,,[
+AC_CHECK_FUNC(bcopy,[
+	AC_CACHE_CHECK(if bcopy does overlapping moves,cf_cv_good_bcopy,[
+		AC_TRY_RUN([
+int main() {
+	static char data[] = "abcdefghijklmnopqrstuwwxyz";
+	char temp[40];
+	bcopy(data, temp, sizeof(data));
+	bcopy(temp+10, temp, 15);
+	bcopy(temp+5, temp+15, 10);
+	exit (strcmp(temp, "klmnopqrstuwwxypqrstuwwxyz"));
+}
+		],
+		[cf_cv_good_bcopy=yes],
+		[cf_cv_good_bcopy=no],
+		[cf_cv_good_bcopy=unknown])
+		])
+	],[cf_cv_good_bcopy=no])
+	if test "$cf_cv_good_bcopy" = yes ; then
+		AC_DEFINE(USE_OK_BCOPY)
+	else
+		AC_DEFINE(USE_MY_MEMMOVE)
+	fi
+])])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_FUNC_SYSTEM version: 3 updated: 1997/10/22 22:02:10
+dnl --------------
+dnl Check if the 'system()' function returns a usable status, or if not, try
+dnl to use the status returned by a SIGCHLD.
+AC_DEFUN([CF_FUNC_SYSTEM],
+[
+AC_REQUIRE([CF_UNION_WAIT])
+AC_MSG_CHECKING(if the system function returns usable child-status)
+AC_CACHE_VAL(cf_cv_system_status,[
+	AC_TRY_RUN([
+#include <stdio.h>
+#include <signal.h>
+#if HAVE_SYS_WAIT_H
+#include <sys/wait.h>
+#endif
+
+RETSIGTYPE signal_handler (int sig)
+{
+#if HAVE_TYPE_UNIONWAIT
+	union wait wait_status;
+#else
+	int wait_status = 1;
+#endif
+	int system_status;
+	wait (&wait_status);
+	system_status = WEXITSTATUS(wait_status); /* should be nonzero */
+	exit(system_status != 23);
+}
+
+int main()
+{
+	/* this looks weird, but apparently the SIGCHLD gets there first on
+	 * machines where 'system()' doesn't return a usable code, so ...
+	 */
+	signal (SIGCHLD, signal_handler);
+	system("exit 23");
+	exit(1);
+}
+],
+	[cf_cv_system_status=no],
+	[AC_TRY_RUN(
+	[int main() { exit(system("exit 23") != (23 << 8)); }],
+	[cf_cv_system_status=yes],
+	[cf_cv_system_status=unknown],
+	[cf_cv_system_status=unknown])],
+	[cf_cv_system_status=unknown])
+])
+AC_MSG_RESULT($cf_cv_system_status)
+test $cf_cv_system_status = no && AC_DEFINE(USE_SYSTEM_STATUS)
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_GCC_VERSION version: 2 updated: 2003/05/24 15:01:41
+dnl --------------
+dnl Find version of gcc
+AC_DEFUN([CF_GCC_VERSION],[
+AC_REQUIRE([AC_PROG_CC])
+GCC_VERSION=none
+if test "$GCC" = yes ; then
+	AC_MSG_CHECKING(version of $CC)
+	GCC_VERSION="`${CC} --version|head -1 | sed -e 's/^[[^0-9.]]*//' -e 's/[[^0-9.]].*//'`"
+	test -z "$GCC_VERSION" && GCC_VERSION=unknown
+	AC_MSG_RESULT($GCC_VERSION)
+fi
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_GCC_WARNINGS version: 14 updated: 2003/05/24 15:03:15
+dnl ---------------
+dnl Check if the compiler supports useful warning options.  There's a few that
+dnl we don't use, simply because they're too noisy:
+dnl
+dnl	-Wconversion (useful in older versions of gcc, but not in gcc 2.7.x)
+dnl	-Wredundant-decls (system headers make this too noisy)
+dnl	-Wtraditional (combines too many unrelated messages, only a few useful)
+dnl	-Wwrite-strings (too noisy, but should review occasionally).  This
+dnl		is enabled for ncurses using "--enable-const".
+dnl	-pedantic
+dnl
+AC_DEFUN([CF_GCC_WARNINGS],
+[
+AC_REQUIRE([CF_GCC_VERSION])
+if ( test "$GCC" = yes || test "$GXX" = yes )
+then
+	cat > conftest.$ac_ext <<EOF
+#line __oline__ "configure"
+int main(int argc, char *argv[[]]) { return (argv[[argc-1]] == 0) ; }
+EOF
+	AC_CHECKING([for $CC warning options])
+	cf_save_CFLAGS="$CFLAGS"
+	EXTRA_CFLAGS="-W -Wall"
+	cf_warn_CONST=""
+	test "$with_ext_const" = yes && cf_warn_CONST="Wwrite-strings"
+	for cf_opt in \
+		Wbad-function-cast \
+		Wcast-align \
+		Wcast-qual \
+		Winline \
+		Wmissing-declarations \
+		Wmissing-prototypes \
+		Wnested-externs \
+		Wpointer-arith \
+		Wshadow \
+		Wstrict-prototypes \
+		Wundef $cf_warn_CONST
+	do
+		CFLAGS="$cf_save_CFLAGS $EXTRA_CFLAGS -$cf_opt"
+		if AC_TRY_EVAL(ac_compile); then
+			test -n "$verbose" && AC_MSG_RESULT(... -$cf_opt)
+			case $cf_opt in #(vi
+			Wcast-qual) #(vi
+				CPPFLAGS="$CPPFLAGS -DXTSTRINGDEFINES"
+				;;
+			Winline) #(vi
+				case $GCC_VERSION in
+				3.3*)
+					CF_VERBOSE(feature is broken in gcc $GCC_VERSION)
+					continue;;
+				esac
+				;;
+			esac
+			EXTRA_CFLAGS="$EXTRA_CFLAGS -$cf_opt"
+		fi
+	done
+	rm -f conftest*
+	CFLAGS="$cf_save_CFLAGS"
+fi
+AC_SUBST(EXTRA_CFLAGS)
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_GNU_SOURCE version: 3 updated: 2000/10/29 23:30:53
+dnl -------------
+dnl Check if we must define _GNU_SOURCE to get a reasonable value for
+dnl _XOPEN_SOURCE, upon which many POSIX definitions depend.  This is a defect
+dnl (or misfeature) of glibc2, which breaks portability of many applications,
+dnl since it is interwoven with GNU extensions.
+dnl
+dnl Well, yes we could work around it...
+AC_DEFUN([CF_GNU_SOURCE],
+[
+AC_CACHE_CHECK(if we must define _GNU_SOURCE,cf_cv_gnu_source,[
+AC_TRY_COMPILE([#include <sys/types.h>],[
+#ifndef _XOPEN_SOURCE
+make an error
+#endif],
+	[cf_cv_gnu_source=no],
+	[cf_save="$CPPFLAGS"
+	 CPPFLAGS="$CPPFLAGS -D_GNU_SOURCE"
+	 AC_TRY_COMPILE([#include <sys/types.h>],[
+#ifdef _XOPEN_SOURCE
+make an error
+#endif],
+	[cf_cv_gnu_source=no],
+	[cf_cv_gnu_source=yes])
+	CPPFLAGS="$cf_save"
+	])
+])
+test "$cf_cv_gnu_source" = yes && CPPFLAGS="$CPPFLAGS -D_GNU_SOURCE"
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_HEADER_PATH version: 8 updated: 2002/11/10 14:46:59
+dnl --------------
+dnl Construct a search-list for a nonstandard header-file
+AC_DEFUN([CF_HEADER_PATH],
+[CF_SUBDIR_PATH($1,$2,include)
+test "$includedir" != NONE && \
+test "$includedir" != "/usr/include" && \
+test -d "$includedir" && {
+	test -d $includedir &&    $1="[$]$1 $includedir"
+	test -d $includedir/$2 && $1="[$]$1 $includedir/$2"
+}
+
+test "$oldincludedir" != NONE && \
+test "$oldincludedir" != "/usr/include" && \
+test -d "$oldincludedir" && {
+	test -d $oldincludedir    && $1="[$]$1 $oldincludedir"
+	test -d $oldincludedir/$2 && $1="[$]$1 $oldincludedir/$2"
+}
+
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_LIBRARY_PATH version: 7 updated: 2002/11/10 14:46:59
+dnl ---------------
+dnl Construct a search-list for a nonstandard library-file
+AC_DEFUN([CF_LIBRARY_PATH],
+[CF_SUBDIR_PATH($1,$2,lib)])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_LIB_PREFIX version: 7 updated: 2001/01/12 01:23:48
+dnl -------------
+dnl Compute the library-prefix for the given host system
+dnl $1 = variable to set
+AC_DEFUN([CF_LIB_PREFIX],
+[
+	case $cf_cv_system_name in
+	OS/2*)	LIB_PREFIX=''     ;;
+	os2*)	LIB_PREFIX=''     ;;
+	*)	LIB_PREFIX='lib'  ;;
+	esac
+ifelse($1,,,[$1=$LIB_PREFIX])
+	AC_SUBST(LIB_PREFIX)
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_LOCKFILE version: 2 updated: 2001/05/26 12:41:02
+dnl -----------
+dnl Check for functions that we can use for file-locking.  Simply checking for
+dnl existence is not sufficient, since fcntl, for example, uses definitions
+dnl that are not in every version of the header.
+AC_DEFUN([CF_LOCKFILE],
+[
+AC_CHECK_HEADERS(unistd.h fcntl.h sys/file.h)
+AC_CHECK_FUNC(fcntl)
+AC_CHECK_FUNC(lockf)
+AC_CHECK_FUNC(flock,,,[
+	CF_RECHECK_FUNC(flock,bsd,cf_cv_lockfile,[AC_MSG_WARN(no lock function found)])])
+
+AC_CACHE_CHECK(for file-locking functions,cf_cv_lockfile,[
+cf_cv_lockfile=
+for cf_lock in fcntl lockf flock
+do
+if eval 'test ${ac_cv_func_'$cf_lock'+set} = set'; then
+	case $cf_lock in #(vi
+	fcntl) #(vi
+		AC_TRY_COMPILE([
+#include <stdio.h>
+#ifdef HAVE_UNISTD_H
+#include <unistd.h>
+#endif
+#ifdef HAVE_FCNTL_H
+#include <fcntl.h>
+#endif
+],[
+	struct flock flk;
+	int block = 1;
+	int fd = 0;
+	int rc;
+
+	flk.l_type = F_WRLCK;
+	flk.l_whence = SEEK_SET;
+	flk.l_start = 0;
+	flk.l_len = 0;
+	rc = fcntl(fd, block ? F_SETLKW : F_SETLK, &flk)
+	&& fcntl(fd, F_GETLK, &flk)
+	&& fcntl(fd, F_SETLK, &flk);
+	],,continue)
+		;;
+	lockf) #(vi
+		AC_TRY_COMPILE([
+#include <stdio.h>
+#ifdef HAVE_UNISTD_H
+#include <unistd.h>
+#endif
+#ifdef HAVE_FCNTL_H
+#include <fcntl.h>
+#endif
+],[
+	int block = 1, fd = 0;
+	int ret = lockf(fd, block ? F_LOCK : F_TLOCK, 0L)
+	 && lockf(fd, F_TEST, 0L)
+	 && lockf(fd, F_ULOCK, 0L);
+	],,[continue])
+		;;
+	flock)
+		AC_TRY_COMPILE([
+#include <stdio.h>
+#ifdef HAVE_UNISTD_H
+#include <unistd.h>
+#endif
+#ifdef HAVE_FCNTL_H
+#include <fcntl.h>
+#endif
+#ifdef HAVE_SYS_FILE_H
+#include <sys/file.h>
+#endif
+],[
+	int block = 1, fd = 0;
+	int ret = flock(fd, (LOCK_EX|LOCK_NB))
+	 && flock(fd, LOCK_UN)
+	 && flock(fd, block ? LOCK_EX : (LOCK_EX | LOCK_NB));
+	],,[continue])
+		;;
+	esac
+	cf_cv_lockfile="$cf_cv_lockfile $cf_lock"
+fi
+done
+])
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_MAKEFLAGS version: 9 updated: 2001/12/30 18:17:27
+dnl ------------
+dnl Some 'make' programs support $(MAKEFLAGS), some $(MFLAGS), to pass 'make'
+dnl options to lower-levels.  It's very useful for "make -n" -- if we have it.
+dnl (GNU 'make' does both, something POSIX 'make', which happens to make the
+dnl $(MAKEFLAGS) variable incompatible because it adds the assignments :-)
+AC_DEFUN([CF_MAKEFLAGS],
+[
+AC_CACHE_CHECK(for makeflags variable, cf_cv_makeflags,[
+	cf_cv_makeflags=''
+	for cf_option in '-$(MAKEFLAGS)' '$(MFLAGS)'
+	do
+		cat >cf_makeflags.tmp <<CF_EOF
+SHELL = /bin/sh
+all :
+	@ echo '.$cf_option'
+CF_EOF
+		cf_result=`${MAKE-make} -k -f cf_makeflags.tmp 2>/dev/null`
+		case "$cf_result" in
+		.*k)
+			cf_result=`${MAKE-make} -k -f cf_makeflags.tmp CC=cc 2>/dev/null`
+			case "$cf_result" in
+			.*CC=*)	cf_cv_makeflags=
+				;;
+			*)	cf_cv_makeflags=$cf_option
+				;;
+			esac
+			break
+			;;
+		*)	echo no match "$cf_result"
+			;;
+		esac
+	done
+	rm -f cf_makeflags.tmp
+])
+
+AC_SUBST(cf_cv_makeflags)
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_MSG_LOG version: 3 updated: 1997/09/07 14:05:52
+dnl ----------
+dnl Write a debug message to config.log, along with the line number in the
+dnl configure script.
+AC_DEFUN([CF_MSG_LOG],[
+echo "(line __oline__) testing $* ..." 1>&AC_FD_CC
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_NCURSES_BROKEN version: 6 updated: 1998/04/27 20:32:34
+dnl -----------------
+dnl Check for pre-1.9.9g ncurses (among other problems, the most obvious is
+dnl that color combinations don't work).
+AC_DEFUN([CF_NCURSES_BROKEN],
+[
+AC_REQUIRE([CF_NCURSES_VERSION])
+if test "$cf_cv_ncurses_version" != no ; then
+AC_MSG_CHECKING(for obsolete/broken version of ncurses)
+AC_CACHE_VAL(cf_cv_ncurses_broken,[
+AC_TRY_COMPILE([
+#include <${cf_cv_ncurses_header-curses.h}>],[
+#if defined(NCURSES_VERSION) && defined(wgetbkgd)
+	make an error
+#else
+	int x = 1
+#endif
+],
+	[cf_cv_ncurses_broken=no],
+	[cf_cv_ncurses_broken=yes])
+])
+AC_MSG_RESULT($cf_cv_ncurses_broken)
+if test "$cf_cv_ncurses_broken" = yes ; then
+	AC_MSG_WARN(hmm... you should get an up-to-date version of ncurses)
+	AC_DEFINE(NCURSES_BROKEN)
+fi
+fi
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_NCURSES_CC_CHECK version: 3 updated: 2003/01/12 18:59:28
+dnl -------------------
+dnl Check if we can compile with ncurses' header file
+dnl $1 is the cache variable to set
+dnl $2 is the header-file to include
+dnl $3 is the root name (ncurses or ncursesw)
+AC_DEFUN([CF_NCURSES_CC_CHECK],[
+	AC_TRY_COMPILE([
+]ifelse($3,ncursesw,[
+#define _XOPEN_SOURCE_EXTENDED
+#undef  HAVE_LIBUTF8_H	/* in case we used CF_UTF8_LIB */
+#define HAVE_LIBUTF8_H	/* to force ncurses' header file to use cchar_t */
+])[
+#include <$2>],[
+#ifdef NCURSES_VERSION
+]ifelse($3,ncursesw,[
+#ifndef WACS_BSSB
+	make an error
+#endif
+])[
+printf("%s\n", NCURSES_VERSION);
+#else
+#ifdef __NCURSES_H
+printf("old\n");
+#else
+	make an error
+#endif
+#endif
+	]
+	,[$1=$cf_header]
+	,[$1=no])
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_NCURSES_CPPFLAGS version: 16 updated: 2002/12/29 18:30:46
+dnl -------------------
+dnl Look for the SVr4 curses clone 'ncurses' in the standard places, adjusting
+dnl the CPPFLAGS variable so we can include its header.
+dnl
+dnl The header files may be installed as either curses.h, or ncurses.h (would
+dnl be obsolete, except that some packagers prefer this name to distinguish it
+dnl from a "native" curses implementation).  If not installed for overwrite,
+dnl the curses.h file would be in an ncurses subdirectory (e.g.,
+dnl /usr/include/ncurses), but someone may have installed overwriting the
+dnl vendor's curses.  Only very old versions (pre-1.9.2d, the first autoconf'd
+dnl version) of ncurses don't define either __NCURSES_H or NCURSES_VERSION in
+dnl the header.
+dnl
+dnl If the installer has set $CFLAGS or $CPPFLAGS so that the ncurses header
+dnl is already in the include-path, don't even bother with this, since we cannot
+dnl easily determine which file it is.  In this case, it has to be <curses.h>.
+dnl
+dnl The optional parameter gives the root name of the library, in case it is
+dnl not installed as the default curses library.  That is how the
+dnl wide-character version of ncurses is installed.
+AC_DEFUN([CF_NCURSES_CPPFLAGS],
+[AC_REQUIRE([CF_WITH_CURSES_DIR])
+
+cf_ncuhdr_root=ifelse($1,,ncurses,$1)
+
+test -n "$cf_cv_curses_dir" && \
+test "$cf_cv_curses_dir" != "no" && \
+CPPFLAGS="-I$cf_cv_curses_dir/include -I$cf_cv_curses_dir/include/$cf_ncuhdr_root $CPPFLAGS"
+
+AC_CACHE_CHECK(for $cf_ncuhdr_root header in include-path, cf_cv_ncurses_h,[
+	cf_header_list="$cf_ncuhdr_root/curses.h $cf_ncuhdr_root/ncurses.h"
+	( test "$cf_ncuhdr_root" = ncurses || test "$cf_ncuhdr_root" = ncursesw ) && cf_header_list="$cf_header_list curses.h ncurses.h"
+	for cf_header in $cf_header_list
+	do
+		CF_NCURSES_CC_CHECK(cf_cv_ncurses_h,$cf_header,$1)
+		test "$cf_cv_ncurses_h" != no && break
+	done
+])
+
+if test "$cf_cv_ncurses_h" != no ; then
+	cf_cv_ncurses_header=$cf_cv_ncurses_h
+else
+AC_CACHE_CHECK(for $cf_ncuhdr_root include-path, cf_cv_ncurses_h2,[
+	test -n "$verbose" && echo
+	CF_HEADER_PATH(cf_search,$cf_ncuhdr_root)
+	test -n "$verbose" && echo search path $cf_search
+	cf_save2_CPPFLAGS="$CPPFLAGS"
+	for cf_incdir in $cf_search
+	do
+		CF_ADD_INCDIR($cf_incdir)
+		for cf_header in \
+			ncurses.h \
+			curses.h
+		do
+			CF_NCURSES_CC_CHECK(cf_cv_ncurses_h2,$cf_header,$1)
+			if test "$cf_cv_ncurses_h2" != no ; then
+				cf_cv_ncurses_h2=$cf_incdir/$cf_header
+				test -n "$verbose" && echo $ac_n "	... found $ac_c" 1>&AC_FD_MSG
+				break
+			fi
+			test -n "$verbose" && echo "	... tested $cf_incdir/$cf_header" 1>&AC_FD_MSG
+		done
+		CPPFLAGS="$cf_save2_CPPFLAGS"
+		test "$cf_cv_ncurses_h2" != no && break
+	done
+	test "$cf_cv_ncurses_h2" = no && AC_ERROR(not found)
+	])
+
+	CF_DIRNAME(cf_1st_incdir,$cf_cv_ncurses_h2)
+	cf_cv_ncurses_header=`basename $cf_cv_ncurses_h2`
+	if test `basename $cf_1st_incdir` = $cf_ncuhdr_root ; then
+		cf_cv_ncurses_header=$cf_ncuhdr_root/$cf_cv_ncurses_header
+	fi
+	CF_ADD_INCDIR($cf_1st_incdir)
+
+fi
+
+AC_DEFINE(NCURSES)
+
+case $cf_cv_ncurses_header in # (vi
+*ncurses.h)
+	AC_DEFINE(HAVE_NCURSES_H)
+	;;
+esac
+
+case $cf_cv_ncurses_header in # (vi
+ncurses/curses.h|ncurses/ncurses.h)
+	AC_DEFINE(HAVE_NCURSES_NCURSES_H)
+	;;
+ncursesw/curses.h|ncursesw/ncurses.h)
+	AC_DEFINE(HAVE_NCURSESW_NCURSES_H)
+	;;
+esac
+
+CF_NCURSES_VERSION
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_NCURSES_LIBS version: 11 updated: 2002/12/22 14:22:25
+dnl ---------------
+dnl Look for the ncurses library.  This is a little complicated on Linux,
+dnl because it may be linked with the gpm (general purpose mouse) library.
+dnl Some distributions have gpm linked with (bsd) curses, which makes it
+dnl unusable with ncurses.  However, we don't want to link with gpm unless
+dnl ncurses has a dependency, since gpm is normally set up as a shared library,
+dnl and the linker will record a dependency.
+dnl
+dnl The optional parameter gives the root name of the library, in case it is
+dnl not installed as the default curses library.  That is how the
+dnl wide-character version of ncurses is installed.
+AC_DEFUN([CF_NCURSES_LIBS],
+[AC_REQUIRE([CF_NCURSES_CPPFLAGS])
+
+cf_nculib_root=ifelse($1,,ncurses,$1)
+	# This works, except for the special case where we find gpm, but
+	# ncurses is in a nonstandard location via $LIBS, and we really want
+	# to link gpm.
+cf_ncurses_LIBS=""
+cf_ncurses_SAVE="$LIBS"
+AC_CHECK_LIB(gpm,Gpm_Open,
+	[AC_CHECK_LIB(gpm,initscr,
+		[LIBS="$cf_ncurses_SAVE"],
+		[cf_ncurses_LIBS="-lgpm"])])
+
+case $host_os in #(vi
+freebsd*)
+	# This is only necessary if you are linking against an obsolete
+	# version of ncurses (but it should do no harm, since it's static).
+	AC_CHECK_LIB(mytinfo,tgoto,[cf_ncurses_LIBS="-lmytinfo $cf_ncurses_LIBS"])
+	;;
+esac
+
+LIBS="$cf_ncurses_LIBS $LIBS"
+
+if ( test -n "$cf_cv_curses_dir" && test "$cf_cv_curses_dir" != "no" )
+then
+	LIBS="-L$cf_cv_curses_dir/lib -l$cf_nculib_root $LIBS"
+else
+	CF_FIND_LIBRARY($cf_nculib_root,$cf_nculib_root,
+		[#include <${cf_cv_ncurses_header-curses.h}>],
+		[initscr()],
+		initscr)
+fi
+
+if test -n "$cf_ncurses_LIBS" ; then
+	AC_MSG_CHECKING(if we can link $cf_nculib_root without $cf_ncurses_LIBS)
+	cf_ncurses_SAVE="$LIBS"
+	for p in $cf_ncurses_LIBS ; do
+		q=`echo $LIBS | sed -e "s%$p %%" -e "s%$p$%%"`
+		if test "$q" != "$LIBS" ; then
+			LIBS="$q"
+		fi
+	done
+	AC_TRY_LINK([#include <${cf_cv_ncurses_header-curses.h}>],
+		[initscr(); mousemask(0,0); tgoto((char *)0, 0, 0);],
+		[AC_MSG_RESULT(yes)],
+		[AC_MSG_RESULT(no)
+		 LIBS="$cf_ncurses_SAVE"])
+fi
+
+CF_UPPER(cf_nculib_ROOT,HAVE_LIB$cf_nculib_root)
+AC_DEFINE_UNQUOTED($cf_nculib_ROOT)
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_NCURSES_VERSION version: 10 updated: 2002/10/27 18:21:42
+dnl ------------------
+dnl Check for the version of ncurses, to aid in reporting bugs, etc.
+dnl Call CF_CURSES_CPPFLAGS first, or CF_NCURSES_CPPFLAGS.  We don't use
+dnl AC_REQUIRE since that does not work with the shell's if/then/else/fi.
+AC_DEFUN([CF_NCURSES_VERSION],
+[
+AC_CACHE_CHECK(for ncurses version, cf_cv_ncurses_version,[
+	cf_cv_ncurses_version=no
+	cf_tempfile=out$$
+	rm -f $cf_tempfile
+	AC_TRY_RUN([
+#include <${cf_cv_ncurses_header-curses.h}>
+#include <stdio.h>
+int main()
+{
+	FILE *fp = fopen("$cf_tempfile", "w");
+#ifdef NCURSES_VERSION
+# ifdef NCURSES_VERSION_PATCH
+	fprintf(fp, "%s.%d\n", NCURSES_VERSION, NCURSES_VERSION_PATCH);
+# else
+	fprintf(fp, "%s\n", NCURSES_VERSION);
+# endif
+#else
+# ifdef __NCURSES_H
+	fprintf(fp, "old\n");
+# else
+	make an error
+# endif
+#endif
+	exit(0);
+}],[
+	cf_cv_ncurses_version=`cat $cf_tempfile`],,[
+
+	# This will not work if the preprocessor splits the line after the
+	# Autoconf token.  The 'unproto' program does that.
+	cat > conftest.$ac_ext <<EOF
+#include <${cf_cv_ncurses_header-curses.h}>
+#undef Autoconf
+#ifdef NCURSES_VERSION
+Autoconf NCURSES_VERSION
+#else
+#ifdef __NCURSES_H
+Autoconf "old"
+#endif
+;
+#endif
+EOF
+	cf_try="$ac_cpp conftest.$ac_ext 2>&AC_FD_CC | grep '^Autoconf ' >conftest.out"
+	AC_TRY_EVAL(cf_try)
+	if test -f conftest.out ; then
+		cf_out=`cat conftest.out | sed -e 's%^Autoconf %%' -e 's%^[[^"]]*"%%' -e 's%".*%%'`
+		test -n "$cf_out" && cf_cv_ncurses_version="$cf_out"
+		rm -f conftest.out
+	fi
+])
+	rm -f $cf_tempfile
+])
+test "$cf_cv_ncurses_version" = no || AC_DEFINE(NCURSES)
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_NETLIBS version: 4 updated: 1999/12/23 15:20:39
+dnl ----------
+dnl After checking for functions in the default $LIBS, make a further check
+dnl for the functions that are netlib-related (these aren't always in the
+dnl libc, etc., and have to be handled specially because there are conflicting
+dnl and broken implementations.
+dnl Common library requirements (in order):
+dnl	-lresolv -lsocket -lnsl
+dnl	-lnsl -lsocket
+dnl	-lsocket
+dnl	-lbsd
+AC_DEFUN([CF_NETLIBS],[
+cf_test_netlibs=no
+AC_MSG_CHECKING(for network libraries)
+AC_CACHE_VAL(cf_cv_netlibs,[
+AC_MSG_RESULT(working...)
+cf_cv_netlibs=""
+cf_test_netlibs=yes
+AC_CHECK_FUNCS(gethostname,,[
+	CF_RECHECK_FUNC(gethostname,nsl,cf_cv_netlibs,[
+		CF_RECHECK_FUNC(gethostname,socket,cf_cv_netlibs)])])
+#
+# FIXME:  sequent needs this library (i.e., -lsocket -linet -lnsl), but
+# I don't know the entrypoints - 97/7/22 TD
+# AC_HAVE_LIBRARY(inet,cf_cv_netlibs="-linet $cf_cv_netlibs")
+AC_CHECK_LIB(inet, main, cf_cv_netlibs="-linet $cf_cv_netlibs")
+#
+if test "$ac_cv_func_lsocket" != no ; then
+AC_CHECK_FUNCS(socket,,[
+	CF_RECHECK_FUNC(socket,socket,cf_cv_netlibs,[
+		CF_RECHECK_FUNC(socket,bsd,cf_cv_netlibs)])])
+fi
+#
+AC_CHECK_FUNCS(gethostbyname,,[
+	CF_RECHECK_FUNC(gethostbyname,nsl,cf_cv_netlibs)])
+#
+AC_CHECK_FUNCS(strcasecmp,,[
+	CF_RECHECK_FUNC(strcasecmp,resolv,cf_cv_netlibs)])
+])
+LIBS="$LIBS $cf_cv_netlibs"
+test $cf_test_netlibs = no && echo "$cf_cv_netlibs" >&AC_FD_MSG
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_OUR_MESSAGES version: 4 updated: 2003/06/06 00:48:41
+dnl ---------------
+dnl Check if we use the messages included with this program
+dnl
+dnl $1 specifies either Makefile or makefile, defaulting to the former.
+dnl
+dnl Sets variables which can be used to substitute in makefiles:
+dnl	MSG_DIR_MAKE - to make ./po directory
+dnl	SUB_MAKEFILE - makefile in ./po directory (see CF_BUNDLED_INTL)
+dnl
+AC_DEFUN([CF_OUR_MESSAGES],
+[
+cf_makefile=ifelse($1,,Makefile,$1)
+
+use_our_messages=no
+if test "$USE_NLS" = yes ; then
+if test -d $srcdir/po ; then
+AC_MSG_CHECKING(if we should use included message-library)
+	AC_ARG_ENABLE(included-msgs,
+	[  --enable-included-msgs  use included messages, for i18n support],
+	[use_our_messages=$enableval],
+	[use_our_messages=yes])
+fi
+AC_MSG_RESULT($use_our_messages)
+fi
+
+MSG_DIR_MAKE="#"
+if test "$use_our_messages" = yes
+then
+	SUB_MAKEFILE="$SUB_MAKEFILE po/$cf_makefile.in:po/$cf_makefile.inn"
+	MSG_DIR_MAKE=
+fi
+
+AC_SUBST(MSG_DIR_MAKE)
+AC_SUBST(SUB_MAKEFILE)
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_PATHSEP version: 3 updated: 2001/01/12 01:23:53
+dnl ----------
+dnl Provide a value for the $PATH and similar separator
+AC_DEFUN([CF_PATHSEP],
+[
+	case $cf_cv_system_name in
+	os2*)	PATHSEP=';'  ;;
+	*)	PATHSEP=':'  ;;
+	esac
+ifelse($1,,,[$1=$PATHSEP])
+	AC_SUBST(PATHSEP)
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_PATH_EDITOR version: 5 updated: 2000/07/20 00:41:18
+dnl --------------
+dnl Look for the default editor (vi)
+AC_DEFUN([CF_PATH_EDITOR],
+[
+AC_MSG_CHECKING(for default editor)
+CF_ARG_WITH(editor,
+    [  --with-editor=PROG      specify editor],
+    [DEFAULT_EDITOR],,vi)
+if test -z "$DEFAULT_EDITOR" ; then
+    if test -n "$EDITOR" ; then
+    	DEFAULT_EDITOR="$EDITOR"
+    elif test -n "$VISUAL" ; then
+    	DEFAULT_EDITOR="$VISUAL"
+    else
+	AC_PATH_PROG(DEFAULT_EDITOR,vi,vi,$PATH:/usr/bin:/usr/ucb)
+    fi
+fi
+AC_MSG_RESULT($DEFAULT_EDITOR)
+AC_DEFINE_UNQUOTED(DEFAULT_EDITOR,"$DEFAULT_EDITOR")
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_PATH_MAILBOX version: 4 updated: 1998/04/01 11:39:13
+dnl ---------------
+dnl Look for the directory that contains incoming mail.  I would check for an
+dnl actual mail-file, to verify this, but that is not always easy to arrange.
+AC_DEFUN([CF_PATH_MAILBOX],
+[
+AC_MSG_CHECKING(for incoming-mail directory)
+CF_ARG_WITH(mailbox,
+    [  --with-mailbox=DIR      directory for incoming mailboxes],
+    [DEFAULT_MAILBOX])
+if test -z "$DEFAULT_MAILBOX" ; then
+for cf_dir in \
+	/var/spool/mail \
+	/usr/spool/mail \
+	/var/mail \
+	/usr/mail \
+	/mail
+    do
+    	if test -d $cf_dir ; then
+	    DEFAULT_MAILBOX=$cf_dir
+	    break
+	fi
+    done
+fi
+if test -n "$DEFAULT_MAILBOX" ; then
+	AC_DEFINE_UNQUOTED(DEFAULT_MAILBOX,"$DEFAULT_MAILBOX")
+else
+	DEFAULT_MAILBOX=none
+fi
+AC_MSG_RESULT($DEFAULT_MAILBOX)
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_PATH_MAILER version: 6 updated: 2001/05/27 21:36:02
+dnl --------------
+dnl Look for the program that sends outgoing mail.
+AC_DEFUN([CF_PATH_MAILER],
+[
+AC_PATH_PROG(DEFAULT_MAILER,sendmail,,$PATH:/usr/sbin:/usr/lib)
+CF_ARG_WITH(mailer,
+     [  --with-mailer=PROG      specify default mailer-program],
+     [DEFAULT_MAILER],,mailx)
+if test -z "$DEFAULT_MAILER" ; then
+AC_PATH_PROG(DEFAULT_MAILER,mailx,,$PATH:/usr/bin)
+fi
+if test -z "$DEFAULT_MAILER" ; then
+AC_PATH_PROG(DEFAULT_MAILER,mail,,$PATH:/usr/bin)
+fi
+AC_MSG_CHECKING(for default mailer)
+if test -n "$DEFAULT_MAILER" ; then
+	CF_FIX_SLASHES(ac_cv_path_DEFAULT_MAILER)
+	CF_FIX_SLASHES(DEFAULT_MAILER)
+	AC_DEFINE_UNQUOTED(DEFAULT_MAILER,"$DEFAULT_MAILER")
+else
+	DEFAULT_MAILER=none
+fi
+AC_MSG_RESULT($DEFAULT_MAILER)
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_PATH_SYNTAX version: 9 updated: 2002/09/17 23:03:38
+dnl --------------
+dnl Check the argument to see that it looks like a pathname.  Rewrite it if it
+dnl begins with one of the prefix/exec_prefix variables, and then again if the
+dnl result begins with 'NONE'.  This is necessary to work around autoconf's
+dnl delayed evaluation of those symbols.
+AC_DEFUN([CF_PATH_SYNTAX],[
+case ".[$]$1" in #(vi
+.\[$]\(*\)*|.\'*\'*) #(vi
+  ;;
+..|./*|.\\*) #(vi
+  ;;
+.[[a-zA-Z]]:[[\\/]]*) #(vi OS/2 EMX
+  ;;
+.\[$]{*prefix}*) #(vi
+  eval $1="[$]$1"
+  case ".[$]$1" in #(vi
+  .NONE/*)
+    $1=`echo [$]$1 | sed -e s%NONE%$ac_default_prefix%`
+    ;;
+  esac
+  ;; #(vi
+.NONE/*)
+  $1=`echo [$]$1 | sed -e s%NONE%$ac_default_prefix%`
+  ;;
+*)
+  ifelse($2,,[AC_ERROR([expected a pathname, not \"[$]$1\"])],$2)
+  ;;
+esac
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_PDCURSES_X11 version: 6 updated: 2002/10/27 18:21:42
+dnl ---------------
+dnl Configure for PDCurses' X11 library
+AC_DEFUN([CF_PDCURSES_X11],[
+AC_REQUIRE([CF_X_ATHENA])
+LDFLAGS="$LDFLAGS $X_LIBS"
+CF_CHECK_CFLAGS($X_CFLAGS)
+AC_CHECK_LIB(X11,XOpenDisplay,
+	[LIBS="-lX11 $LIBS"],,
+	[$X_PRE_LIBS $LIBS $X_EXTRA_LIBS])
+AC_CACHE_CHECK(for XCurses library,cf_cv_lib_XCurses,[
+LIBS="-lXCurses $LIBS"
+AC_TRY_LINK([
+#include <xcurses.h>
+char *XCursesProgramName = "test";
+],[XCursesExit();],
+[cf_cv_lib_XCurses=yes],
+[cf_cv_lib_XCurses=no])
+])
+if test $cf_cv_lib_XCurses = yes ; then
+	AC_DEFINE(UNIX)
+	AC_DEFINE(XCURSES)
+	AC_DEFINE(HAVE_XCURSES)
+else
+	AC_ERROR(Cannot link with XCurses)
+fi
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_POSIX_JC version: 3 updated: 2001/05/27 21:36:02
+dnl -----------
+dnl Check if we have POSIX-style job control (i.e., sigaction), or if we must
+dnl use the signal functions.  Use AC_CHECK_FUNCS(sigaction) first.
+AC_DEFUN([CF_POSIX_JC],[
+
+AC_REQUIRE([AC_TYPE_SIGNAL])
+AC_REQUIRE([CF_SIG_ARGS])
+
+if test "$ac_cv_func_sigaction" = yes; then
+
+AC_CACHE_CHECK(whether sigaction needs _POSIX_SOURCE,cf_cv_sigact_bad,[
+AC_TRY_COMPILE([
+#include <sys/types.h>
+#include <signal.h>],[struct sigaction act],
+  [cf_cv_sigact_bad=no],[cf_cv_sigact_bad=yes])
+])
+
+test "$cf_cv_sigact_bad" = yes && AC_DEFINE(SVR4_ACTION)
+
+AC_CACHE_CHECK(if we have sigaction/related functions,cf_cv_sigaction_funcs,[
+AC_TRY_LINK([
+#ifdef SVR4_ACTION
+#define _POSIX_SOURCE
+#endif
+#include <sys/types.h>
+#include <signal.h>],[
+    RETSIGTYPE (*func)(SIG_ARGS) = SIG_IGN;
+    struct sigaction sa, osa;
+    sa.sa_handler = func;
+    sa.sa_flags = 0;
+    sigemptyset (&sa.sa_mask);
+    sigaction (SIGBUS,&sa,&osa);],
+    [cf_cv_sigaction_funcs=yes],
+    [cf_cv_sigaction_funcs=no])])
+
+test "$cf_cv_sigaction_funcs" = yes && AC_DEFINE(HAVE_POSIX_JC)
+
+fi
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_PROG_EXT version: 8 updated: 2002/12/21 19:25:52
+dnl -----------
+dnl Compute $PROG_EXT, used for non-Unix ports, such as OS/2 EMX.
+AC_DEFUN([CF_PROG_EXT],
+[
+AC_REQUIRE([CF_CHECK_CACHE])
+PROG_EXT=
+case $cf_cv_system_name in
+os2*)
+    # We make sure -Zexe is not used -- it would interfere with @PROG_EXT@
+    CFLAGS="$CFLAGS -Zmt"
+    CPPFLAGS="$CPPFLAGS -D__ST_MT_ERRNO__"
+    CXXFLAGS="$CXXFLAGS -Zmt"
+    LDFLAGS=`echo "$LDFLAGS -Zmt -Zcrtdll" | sed -e "s%-Zexe%%g"`
+    PROG_EXT=".exe"
+    ;;
+cygwin*)
+    PROG_EXT=".exe"
+    ;;
+esac
+AC_SUBST(PROG_EXT)
+test -n "$PROG_EXT" && AC_DEFINE_UNQUOTED(PROG_EXT,"$PROG_EXT")
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_PROG_SUM_R version: 2 updated: 1997/08/28 23:57:55
+dnl -------------
+dnl See if sum can take -r
+AC_DEFUN([CF_PROG_SUM_R],
+[
+if test $ac_cv_path_PATH_SUM
+then
+AC_MSG_CHECKING([if $ac_cv_path_PATH_SUM takes -r])
+AC_CACHE_VAL(ac_cv_prog_sum_r,[
+if AC_TRY_COMMAND($ac_cv_path_PATH_SUM -r config.log 1>&AC_FD_CC)
+then
+	ac_cv_prog_sum_r=yes
+else
+	ac_cv_prog_sum_r=no
+fi
+])
+if test $ac_cv_prog_sum_r = yes; then
+	AC_DEFINE(SUM_TAKES_DASH_R)
+	AC_DEFINE_UNQUOTED(PATH_SUM_R, "$ac_cv_path_PATH_SUM -r")
+else
+	AC_DEFINE_UNQUOTED(PATH_SUM_R, "$ac_cv_path_PATH_SUM")
+fi
+AC_MSG_RESULT($ac_cv_prog_sum_r)
+fi
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_PROG_YACC version: 2 updated: 1997/12/16 11:20:41
+dnl ------------
+dnl A better version of AC_PROC_YACC, verifies that we'll only choose bison if
+dnl we'll be able to compile with it.  Bison uses alloca, which isn't all that
+dnl portable.
+AC_DEFUN([CF_PROG_YACC],
+[
+AC_REQUIRE([AC_PROG_CC])
+AC_CACHE_VAL(cf_cv_prog_YACC,[
+if test -n "$YACC" ; then
+  cf_cv_prog_YACC="$YACC" # Let the user override the test.
+else
+cat >conftest.y <<EOF
+%{
+void yyerror(s) char *s; { }
+%}
+%token	NUMBER
+%%
+time	: NUMBER ':' NUMBER
+	;
+%%
+int yylex() { return NUMBER; }
+int main() { return yyparse(); }
+EOF
+  for cf_prog in 'bison -y' byacc yacc
+  do
+    rm -f y.tab.[ch]
+    AC_MSG_CHECKING(for $cf_prog)
+    cf_command="$cf_prog conftest.y"
+    cf_result=no
+    if AC_TRY_EVAL(cf_command) && test -s y.tab.c ; then
+      mv y.tab.c conftest.c
+      rm -f y.tab.h
+      if test "$cf_prog" = 'bison -y' ; then
+        if AC_TRY_EVAL(ac_link) && test -s conftest ; then
+          cf_result=yes
+        fi
+      else
+        cf_result=yes
+      fi
+    fi
+    AC_MSG_RESULT($cf_result)
+    if test $cf_result = yes ; then
+      cf_cv_prog_YACC="$cf_prog"
+      break
+    fi
+  done
+fi
+])
+YACC="$cf_cv_prog_YACC"
+AC_SUBST(YACC)dnl
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_PW_GECOS version: 2 updated: 2000/04/13 10:13:00
+dnl -----------
+dnl Check if the passwd-struct defines the '.pw_gecos' member (useful
+dnl in decoding user names).
+AC_DEFUN([CF_PW_GECOS],
+[
+AC_CACHE_CHECK([for passwd.pw_gecos], cf_cv_pw_gecos,[
+	AC_TRY_COMPILE([
+#include <pwd.h>
+],[
+	struct passwd foo;
+	char bar = foo.pw_gecos],
+	[cf_cv_pw_gecos=yes],
+	[cf_cv_pw_gecos=no])])
+test $cf_cv_pw_gecos = no && AC_DEFINE(DONT_HAVE_PW_GECOS)
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_RECHECK_FUNC version: 3 updated: 2000/10/18 19:29:13
+dnl ---------------
+dnl Re-check on a function to see if we can pick it up by adding a library.
+dnl	$1 = function to check
+dnl	$2 = library to check in
+dnl	$3 = environment to update (e.g., $LIBS)
+dnl	$4 = what to do if this fails
+dnl
+dnl This uses 'unset' if the shell happens to support it, but leaves the
+dnl configuration variable set to 'unknown' if not.  This is a little better
+dnl than the normal autoconf test, which gives misleading results if a test
+dnl for the function is made (e.g., with AC_CHECK_FUNC) after this macro is
+dnl used (autoconf does not distinguish between a null token and one that is
+dnl set to 'no').
+AC_DEFUN([CF_RECHECK_FUNC],[
+AC_CHECK_LIB($2,$1,[
+	CF_UPPER(cf_tr_func,$1)
+	AC_DEFINE_UNQUOTED(HAVE_$cf_tr_func)
+	ac_cv_func_$1=yes
+	if test "$cf_used_lib_$2" != yes ; then cf_used_lib_$2=yes; $3="-l$2 [$]$3"; fi],[
+	ac_cv_func_$1=unknown
+	unset ac_cv_func_$1 2>/dev/null
+	$4],
+	[[$]$3])
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_SET_GID_UID version: 2 updated: 1997/08/28 23:57:55
+dnl --------------
+dnl Check for the functions that set effective/real uid/gid.  This has to
+dnl follow the AC_CHECK_FUNCS call.
+AC_DEFUN([CF_SET_GID_UID],
+[
+AC_MSG_CHECKING([for setuid-like functions])
+AC_CACHE_VAL(cf_cv_setuid_funcs,[
+if test -n "${ac_cv_func_setuid}${ac_cv_func_seteuid}${ac_cv_func_setreuid}"; then
+	cf_cv_setuid_funcs=yes
+else
+	cf_cv_setuid_funcs=no
+fi
+])
+AC_MSG_RESULT($cf_cv_setuid_funcs)
+test $cf_cv_setuid_funcs = yes && AC_DEFINE(HAVE_SET_GID_UID)
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_SIG_ARGS version: 2 updated: 1997/08/28 23:57:55
+dnl -----------
+dnl Check for systems that have signal-handlers prototyped with one argument
+dnl versus those with more than one argument, define the symbol SIG_ARGS to
+dnl match.  (If it's empty, that's ok too).
+AC_DEFUN([CF_SIG_ARGS],
+[
+AC_MSG_CHECKING([declaration of signal arguments])
+AC_CACHE_VAL(cf_cv_sig_args,[
+cf_cv_sig_args=
+for cf_test in "int sig" "int sig, ..."
+do
+	AC_TRY_COMPILE([
+#include <signal.h>],
+	[extern RETSIGTYPE catch($cf_test); signal(SIGINT, catch)],
+	[cf_cv_sig_args="$cf_test";break])
+done
+])
+AC_MSG_RESULT($cf_cv_sig_args)
+AC_DEFINE_UNQUOTED(SIG_ARGS,$cf_cv_sig_args)
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_SIG_CONST version: 2 updated: 1997/08/28 23:57:55
+dnl ------------
+dnl Check for systems where the special signal constants aren't prototyped
+dnl (there's a lot of them, and the compiler can generate a lot of warning
+dnl messages that make it hard to pick out genuine errors).
+AC_DEFUN([CF_SIG_CONST],
+[
+AC_REQUIRE([CF_SIG_ARGS])
+AC_MSG_CHECKING([for redefinable signal constants])
+AC_CACHE_VAL(cf_cv_sig_const,[
+cf_cv_sig_const=no
+if test -n "$cf_cv_sig_args"; then
+	cf_test=`echo $cf_cv_sig_args|sed -e s/sig//`
+	AC_TRY_RUN([
+#define NEW_DFL	((RETSIGTYPE (*)($cf_test))0)
+#define NEW_IGN	((RETSIGTYPE (*)($cf_test))1)
+#define NEW_ERR	((RETSIGTYPE (*)($cf_test))-1)
+
+#include <signal.h>
+
+int main()
+{
+	if (NEW_DFL != SIG_DFL
+	 || NEW_IGN != SIG_IGN
+	 || NEW_ERR != SIG_ERR
+	 /* at least one system won't let me redefine these! */
+#undef SIG_DFL
+#undef SIG_IGN
+#undef SIG_ERR
+#define SIG_DFL NEW_DFL
+#define SIG_IGN NEW_IGN
+#define SIG_ERR NEW_ERR
+	 || NEW_DFL != SIG_DFL)
+	 	exit(1);
+	signal(SIGINT, SIG_DFL);
+	exit(0);
+}],
+	[cf_cv_sig_const=yes],
+	[cf_cv_sig_const=no],
+	[cf_cv_sig_const=unknown])
+fi
+])
+AC_MSG_RESULT($cf_cv_sig_const)
+test "$cf_cv_sig_const" = yes && AC_DEFINE(DECL_SIG_CONST)
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_SIZECHANGE version: 8 updated: 2000/11/04 12:22:16
+dnl -------------
+dnl Check for definitions & structures needed for window size-changing
+dnl FIXME: check that this works with "snake" (HP-UX 10.x)
+AC_DEFUN([CF_SIZECHANGE],
+[
+AC_REQUIRE([CF_STRUCT_TERMIOS])
+AC_CACHE_CHECK(declaration of size-change, cf_cv_sizechange,[
+    cf_cv_sizechange=unknown
+    cf_save_CPPFLAGS="$CPPFLAGS"
+
+for cf_opts in "" "NEED_PTEM_H"
+do
+
+    CPPFLAGS="$cf_save_CPPFLAGS"
+    test -n "$cf_opts" && CPPFLAGS="$CPPFLAGS -D$cf_opts"
+    AC_TRY_COMPILE([#include <sys/types.h>
+#ifdef HAVE_TERMIOS_H
+#include <termios.h>
+#else
+#ifdef HAVE_TERMIO_H
+#include <termio.h>
+#endif
+#endif
+#ifdef NEED_PTEM_H
+/* This is a workaround for SCO:  they neglected to define struct winsize in
+ * termios.h -- it's only in termio.h and ptem.h
+ */
+#include        <sys/stream.h>
+#include        <sys/ptem.h>
+#endif
+#if !defined(sun) || !defined(HAVE_TERMIOS_H)
+#include <sys/ioctl.h>
+#endif
+],[
+#ifdef TIOCGSIZE
+	struct ttysize win;	/* FIXME: what system is this? */
+	int y = win.ts_lines;
+	int x = win.ts_cols;
+#else
+#ifdef TIOCGWINSZ
+	struct winsize win;
+	int y = win.ws_row;
+	int x = win.ws_col;
+#else
+	no TIOCGSIZE or TIOCGWINSZ
+#endif /* TIOCGWINSZ */
+#endif /* TIOCGSIZE */
+	],
+	[cf_cv_sizechange=yes],
+	[cf_cv_sizechange=no])
+
+	CPPFLAGS="$cf_save_CPPFLAGS"
+	if test "$cf_cv_sizechange" = yes ; then
+		echo "size-change succeeded ($cf_opts)" >&AC_FD_CC
+		test -n "$cf_opts" && cf_cv_sizechange="$cf_opts"
+		break
+	fi
+done
+])
+if test "$cf_cv_sizechange" != no ; then
+	AC_DEFINE(HAVE_SIZECHANGE)
+	case $cf_cv_sizechange in #(vi
+	NEED*)
+		AC_DEFINE_UNQUOTED($cf_cv_sizechange )
+		;;
+	esac
+fi
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_SOCKS version: 3 updated: 2001/01/01 09:54:40
+dnl --------
+dnl Check for socks library
+dnl $1 = the [optional] directory in which the library may be found
+AC_DEFUN([CF_SOCKS],[
+case "$1" in #(vi
+no|yes) #(vi
+  ;;
+*)
+  if test -d $1 ; then
+    if test -d $1/include ; then
+      CPPFLAGS="$CPPFLAGS -I$1/include"
+      LIBS="$LIBS -L$1/lib"
+    else
+      LIBS="$LIBS -L$1"
+      test -d $1/../include && CPPFLAGS="$CPPFLAGS -I$1/../include"
+    fi
+  else
+    AC_MSG_WARN(expected a directory: $1)
+  fi
+  ;;
+esac
+LIBS="$LIBS -lsocks"
+AC_DEFINE(SOCKS)
+AC_DEFINE(accept,Raccept)
+AC_DEFINE(bind,Rbind)
+AC_DEFINE(connect,Rconnect)
+AC_DEFINE(getpeername,Rgetpeername)
+AC_DEFINE(getsockname,Rgetsockname)
+AC_DEFINE(listen,Rlisten)
+AC_DEFINE(recvfrom,Rrecvfrom)
+AC_DEFINE(select,Rselect)
+AC_TRY_LINK([
+#include <stdio.h>],[
+	accept((char *)0)],,
+	[AC_ERROR(Cannot link with socks library)])
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_SOCKS5 version: 7 updated: 2001/01/01 09:54:40
+dnl ---------
+dnl Check for socks5 configuration
+dnl $1 = the [optional] directory in which the library may be found
+AC_DEFUN([CF_SOCKS5],[
+case "$1" in #(vi
+no|yes) #(vi
+  ;;
+*)
+  if test -d $1 ; then
+    if test -d $1/include ; then
+      CPPFLAGS="$CPPFLAGS -I$1/include"
+      LIBS="$LIBS -L$1/lib"
+    else
+      LIBS="$LIBS -L$1"
+      test -d $1/../include && CPPFLAGS="$CPPFLAGS -I$1/../include"
+    fi
+  else
+    AC_MSG_WARN(expected a directory: $1)
+  fi
+  ;;
+esac
+LIBS="$LIBS -lsocks5"
+AC_DEFINE(USE_SOCKS5)
+AC_DEFINE(SOCKS)
+AC_MSG_CHECKING(if the socks library uses socks4 prefix)
+cf_use_socks4=error
+AC_TRY_LINK([
+#include <socks.h>],[
+	Rinit((char *)0)],
+	[AC_DEFINE(USE_SOCKS4_PREFIX)
+	 cf_use_socks4=yes],
+	[AC_TRY_LINK([#include <socks.h>],
+		[SOCKSinit((char *)0)],
+		[cf_use_socks4=no],
+		[AC_ERROR(Cannot link with socks5 library)])])
+AC_MSG_RESULT($cf_use_socks4)
+if test "$cf_use_socks4" = "yes" ; then
+	AC_DEFINE(accept,Raccept)
+	AC_DEFINE(bind,Rbind)
+	AC_DEFINE(connect,Rconnect)
+	AC_DEFINE(getpeername,Rgetpeername)
+	AC_DEFINE(getsockname,Rgetsockname)
+	AC_DEFINE(listen,Rlisten)
+	AC_DEFINE(recvfrom,Rrecvfrom)
+	AC_DEFINE(select,Rselect)
+else
+	AC_DEFINE(accept,SOCKSaccept)
+	AC_DEFINE(getpeername,SOCKSgetpeername)
+	AC_DEFINE(getsockname,SOCKSgetsockname)
+	AC_DEFINE(recvfrom,SOCKSrecvfrom)
+fi
+AC_MSG_CHECKING(if socks5p.h is available)
+AC_TRY_COMPILE([
+#define INCLUDE_PROTOTYPES
+#include <socks.h>],[
+	init((char *)0)],
+	[cf_use_socks5p_h=yes],
+	[cf_use_socks5p_h=no])
+AC_MSG_RESULT($cf_use_socks5p_h)
+test "$cf_use_socks5p_h" = yes && AC_DEFINE(INCLUDE_PROTOTYPES)
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_STRERROR version: 2 updated: 2001/07/11 09:34:49
+dnl -----------
+dnl Check for strerror(), or it is not found, for the related data.  POSIX
+dnl requires strerror(), so only old systems such as SunOS lack it.
+AC_DEFUN([CF_STRERROR],[
+AC_CHECK_FUNCS(strerror, AC_DEFINE(HAVE_STRERROR),[CF_SYS_ERRLIST])
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_STRUCT_TERMIOS version: 5 updated: 2000/11/04 12:22:46
+dnl -----------------
+dnl Some machines require _POSIX_SOURCE to completely define struct termios.
+dnl If so, define SVR4_TERMIO
+AC_DEFUN([CF_STRUCT_TERMIOS],[
+AC_CHECK_HEADERS( \
+termio.h \
+termios.h \
+unistd.h \
+)
+if test "$ISC" = yes ; then
+	AC_CHECK_HEADERS( sys/termio.h )
+fi
+if test "$ac_cv_header_termios_h" = yes ; then
+	case "$CFLAGS $CPPFLAGS" in
+	*-D_POSIX_SOURCE*)
+		termios_bad=dunno ;;
+	*)	termios_bad=maybe ;;
+	esac
+	if test "$termios_bad" = maybe ; then
+	AC_MSG_CHECKING(whether termios.h needs _POSIX_SOURCE)
+	AC_TRY_COMPILE([#include <termios.h>],
+		[struct termios foo; int x = foo.c_iflag],
+		termios_bad=no, [
+		AC_TRY_COMPILE([
+#define _POSIX_SOURCE
+#include <termios.h>],
+			[struct termios foo; int x = foo.c_iflag],
+			termios_bad=unknown,
+			termios_bad=yes AC_DEFINE(SVR4_TERMIO))
+			])
+	AC_MSG_RESULT($termios_bad)
+	fi
+fi
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_SUBDIR_PATH version: 3 updated: 2002/12/29 18:30:46
+dnl --------------
+dnl Construct a search-list for a nonstandard header/lib-file
+dnl	$1 = the variable to return as result
+dnl	$2 = the package name
+dnl	$3 = the subdirectory, e.g., bin, include or lib
+AC_DEFUN([CF_SUBDIR_PATH],
+[$1=""
+
+test -d [$]HOME && {
+	test -n "$verbose" && echo "	... testing $3-directories under [$]HOME"
+	test -d [$]HOME/$3 &&          $1="[$]$1 [$]HOME/$3"
+	test -d [$]HOME/$3/$2 &&       $1="[$]$1 [$]HOME/$3/$2"
+	test -d [$]HOME/$3/$2/$3 &&    $1="[$]$1 [$]HOME/$3/$2/$3"
+}
+
+# For other stuff under the home directory, it should be sufficient to put
+# a symbolic link for $HOME/$2 to the actual package location:
+test -d [$]HOME/$2 && {
+	test -n "$verbose" && echo "	... testing $3-directories under [$]HOME/$2"
+	test -d [$]HOME/$2/$3 &&       $1="[$]$1 [$]HOME/$2/$3"
+	test -d [$]HOME/$2/$3/$2 &&    $1="[$]$1 [$]HOME/$2/$3/$2"
+}
+
+test "$prefix" != /usr/local && \
+test -d /usr/local && {
+	test -n "$verbose" && echo "	... testing $3-directories under /usr/local"
+	test -d /usr/local/$3 &&       $1="[$]$1 /usr/local/$3"
+	test -d /usr/local/$3/$2 &&    $1="[$]$1 /usr/local/$3/$2"
+	test -d /usr/local/$3/$2/$3 && $1="[$]$1 /usr/local/$3/$2/$3"
+	test -d /usr/local/$2/$3 &&    $1="[$]$1 /usr/local/$2/$3"
+	test -d /usr/local/$2/$3/$2 && $1="[$]$1 /usr/local/$2/$3/$2"
+}
+
+test "$prefix" != NONE && \
+test -d $prefix && {
+	test -n "$verbose" && echo "	... testing $3-directories under $prefix"
+	test -d $prefix/$3 &&          $1="[$]$1 $prefix/$3"
+	test -d $prefix/$3/$2 &&       $1="[$]$1 $prefix/$3/$2"
+	test -d $prefix/$3/$2/$3 &&    $1="[$]$1 $prefix/$3/$2/$3"
+	test -d $prefix/$2/$3 &&       $1="[$]$1 $prefix/$2/$3"
+	test -d $prefix/$2/$3/$2 &&    $1="[$]$1 $prefix/$2/$3/$2"
+}
+
+test "$prefix" != /opt && \
+test -d /opt && {
+	test -n "$verbose" && echo "	... testing $3-directories under /opt"
+	test -d /opt/$3 &&             $1="[$]$1 /opt/$3"
+	test -d /opt/$3/$2 &&          $1="[$]$1 /opt/$3/$2"
+	test -d /opt/$3/$2/$3 &&       $1="[$]$1 /opt/$3/$2/$3"
+	test -d /opt/$2/$3 &&          $1="[$]$1 /opt/$2/$3"
+	test -d /opt/$2/$3/$2 &&       $1="[$]$1 /opt/$2/$3/$2"
+}
+
+test "$prefix" != /usr && \
+test -d /usr && {
+	test -n "$verbose" && echo "	... testing $3-directories under /usr"
+	test -d /usr/$3 &&             $1="[$]$1 /usr/$3"
+	test -d /usr/$3/$2 &&          $1="[$]$1 /usr/$3/$2"
+	test -d /usr/$3/$2/$3 &&       $1="[$]$1 /usr/$3/$2/$3"
+	test -d /usr/$2/$3 &&          $1="[$]$1 /usr/$2/$3"
+}
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_SYS_ERRLIST version: 6 updated: 2001/12/30 13:03:23
+dnl --------------
+dnl Check for declaration of sys_nerr and sys_errlist in one of stdio.h and
+dnl errno.h.  Declaration of sys_errlist on BSD4.4 interferes with our
+dnl declaration.  Reported by Keith Bostic.
+AC_DEFUN([CF_SYS_ERRLIST],
+[
+    CF_CHECK_ERRNO(sys_nerr)
+    CF_CHECK_ERRNO(sys_errlist)
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_SYS_SELECT_TIMEVAL version: 4 updated: 1997/12/16 11:22:31
+dnl ---------------------
+dnl Check if there is a conflict between <sys/select.h> and <sys/time.h>.
+dnl This is known to be a problem with SCO.
+AC_DEFUN([CF_SYS_SELECT_TIMEVAL],
+[
+AC_MSG_CHECKING(if sys/time.h conflicts with sys/select.h)
+AC_CACHE_VAL(cf_cv_sys_select_timeval,[
+for cf_opts in no yes
+do
+AC_TRY_COMPILE([
+#define yes 1
+#define no 0
+#if $cf_opts
+#define timeval fake_timeval
+#endif
+#include <sys/types.h>
+#ifdef TIME_WITH_SYS_TIME
+#	include <sys/time.h>
+#	include <time.h>
+#else
+#	ifdef HAVE_SYS_TIME_H
+#		include <sys/time.h>
+#	else
+#		include <time.h>
+#	endif
+#endif
+#undef timeval
+#ifdef HAVE_SYS_SELECT_H
+#	include <sys/select.h>
+#endif
+],[struct timeval foo],
+	[cf_cv_sys_select_timeval=$cf_opts
+	 break],
+	[cf_cv_sys_select_timeval=no])
+done
+])
+AC_MSG_RESULT($cf_cv_sys_select_timeval)
+test $cf_cv_sys_select_timeval = yes && AC_DEFINE(NEED_TIMEVAL_FIX)
+])
+dnl ---------------------------------------------------------------------------
+dnl CF_TERMCAP_LIBS version: 10 updated: 2001/10/18 20:42:39
+dnl ---------------
+dnl Look for termcap libraries, or the equivalent in terminfo.
+AC_DEFUN([CF_TERMCAP_LIBS],
+[
+AC_CACHE_VAL(cf_cv_termlib,[
+cf_cv_termlib=none
+AC_TRY_LINK([],[char *x=(char*)tgoto("",0,0)],
+[AC_TRY_LINK([],[int x=tigetstr("")],
+	[cf_cv_termlib=terminfo],
+	[cf_cv_termlib=termcap])
+	CF_VERBOSE(using functions in predefined $cf_cv_termlib LIBS)
+],[
+ifelse([$1],,,[
+case "$1" in # (vi
+ncurses*)
+	CF_NCURSES_CPPFLAGS($1)
+	CF_NCURSES_LIBS($1)
+	cf_cv_termlib=terminfo
+	;;
+esac
+])
+if test "$cf_cv_termlib" = none; then
+	# FreeBSD's linker gives bogus results for AC_CHECK_LIB, saying that
+	# tgetstr lives in -lcurses when it is only an unsatisfied extern.
+	cf_save_LIBS="$LIBS"
+	for cf_lib in curses ncurses termlib termcap
+	do
+	LIBS="-l$cf_lib $cf_save_LIBS"
+	for cf_func in tigetstr tgetstr
+	do
+		AC_MSG_CHECKING(for $cf_func in -l$cf_lib)
+		AC_TRY_LINK([],[int x=$cf_func("")],[cf_result=yes],[cf_result=no])
+		AC_MSG_RESULT($cf_result)
+		if test "$cf_result" = yes ; then
+			if test "$cf_func" = tigetstr ; then
+				cf_cv_termlib=terminfo
+			else
+				cf_cv_termlib=termcap
+			fi
+			break
+		fi
+	done
+		test "$cf_result" = yes && break
+	done
+	test "$cf_result" = no && LIBS="$cf_save_LIBS"
+fi
+if test "$cf_cv_termlib" = none; then
+	# allow curses library for broken AIX system.
+	AC_CHECK_LIB(curses, initscr, [LIBS="$LIBS -lcurses" cf_cv_termlib=termcap])
+	AC_CHECK_LIB(termcap, tgoto, [LIBS="$LIBS -ltermcap" cf_cv_termlib=termcap])
+fi
+])
+if test "$cf_cv_termlib" = none; then
+	AC_MSG_WARN([Cannot find -ltermlib, -lcurses, or -ltermcap])
+fi
+])])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_TERMIOS version: 2 updated: 1997/08/28 23:57:55
+dnl ----------
+dnl See if we can link with the termios functions tcsetattr/tcgetattr
+AC_DEFUN([CF_TERMIOS],
+[
+AC_MSG_CHECKING([for nonconflicting termios.h])
+AC_CACHE_VAL(cf_cv_use_termios_h,[
+	AC_TRY_LINK([
+#ifdef HAVE_IOCTL_H
+#	include <ioctl.h>
+#else
+#	ifdef HAVE_SYS_IOCTL_H
+#		include <sys/ioctl.h>
+#	endif
+#endif
+
+#if !defined(sun) || !defined(NL0)
+#include <termios.h>
+#endif
+],[
+	struct termios save_tty;
+	(void) tcsetattr (0, TCSANOW, &save_tty);
+	(void) tcgetattr (0, &save_tty)],
+	[cf_cv_use_termios_h=yes],
+	[cf_cv_use_termios_h=no])
+])
+AC_MSG_RESULT($cf_cv_use_termios_h)
+if test $cf_cv_use_termios_h = yes; then
+	AC_DEFINE(HAVE_TERMIOS_H)
+	AC_DEFINE(HAVE_TCGETATTR)
+	AC_DEFINE(HAVE_TCSETATTR)
+fi
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_TIOCGWINSZ version: 3 updated: 1997/11/29 01:04:53
+dnl -------------
+dnl On some systems ioctl(fd, TIOCGWINSZ, &size) will always return {0,0} until
+dnl ioctl(fd, TIOCSWINSZ, &size) is called to explicitly set the size of the
+dnl screen.
+dnl
+dnl Attempt to determine if we're on such a system by running a test-program.
+dnl This won't work, of course, if the configure script is run in batch mode,
+dnl since we've got to have access to the terminal.
+dnl
+dnl CHECK_DECL_FLAG and CHECK_DECL_HDRS must be set in configure.in
+AC_DEFUN([CF_TIOCGWINSZ],
+[
+AC_MSG_CHECKING([for working TIOCGWINSZ])
+AC_CACHE_VAL(cf_cv_use_tiocgwinsz,[
+	cf_save_CFLAGS="$CFLAGS"
+	CFLAGS="$CFLAGS -D__CPROTO__ $CHECK_DECL_FLAG"
+	AC_TRY_RUN([
+$CHECK_DECL_HDRS
+int main()
+{
+	int fd;
+	for (fd = 0; fd <= 2; fd++) {	/* try in/out/err in case redirected */
+#ifdef TIOCGSIZE
+		struct ttysize size;
+		if (ioctl (0, TIOCGSIZE, &size) == 0
+		 && size.ts_lines > 0
+		 && size.ts_cols > 0)
+			exit(0);
+#else
+		struct winsize size;
+		if (ioctl(0, TIOCGWINSZ, &size) == 0
+		 && size.ws_row > 0
+		 && size.ws_col > 0)
+			exit(0);
+#endif
+	}
+	exit(0);	/* we cannot guarantee this is run interactively */
+}],
+		[cf_cv_use_tiocgwinsz=yes],
+		[cf_cv_use_tiocgwinsz=no],
+		[cf_cv_use_tiocgwinsz=unknown])
+		rm -f autoconf.h
+		CFLAGS="$cf_save_CFLAGS"])
+AC_MSG_RESULT($cf_cv_use_tiocgwinsz)
+test $cf_cv_use_tiocgwinsz != yes && AC_DEFINE(DONT_HAVE_SIGWINCH)
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_TM_GMTOFF version: 2 updated: 1997/08/28 23:57:55
+dnl ------------
+dnl Check if the tm-struct defines the '.tm_gmtoff' member (useful in decoding
+dnl dates).
+AC_DEFUN([CF_TM_GMTOFF],
+[
+AC_MSG_CHECKING([for tm.tm_gmtoff])
+AC_CACHE_VAL(cf_cv_tm_gmtoff,[
+	AC_TRY_COMPILE([
+#ifdef TIME_WITH_SYS_TIME
+#	include <sys/time.h>
+#	include <time.h>
+#else
+#	ifdef HAVE_SYS_TIME_H
+#		include <sys/time.h>
+#	else
+#		include <time.h>
+#	endif
+#endif
+],[
+	struct tm foo;
+	long bar = foo.tm_gmtoff],
+	[cf_cv_tm_gmtoff=yes],
+	[cf_cv_tm_gmtoff=no])])
+AC_MSG_RESULT($cf_cv_tm_gmtoff)
+test $cf_cv_tm_gmtoff = no && AC_DEFINE(DONT_HAVE_TM_GMTOFF)
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_TYPE_OUTCHAR version: 13 updated: 2002/10/09 20:00:37
+dnl ---------------
+dnl Check for return and param type of 3rd -- OutChar() -- param of tputs().
+dnl
+dnl For this check, and for CF_CURSES_TERMCAP, the $CHECK_DECL_HDRS variable
+dnl must point to a header file containing this (or equivalent):
+dnl
+dnl	#ifdef NEED_CURSES_H
+dnl	# ifdef HAVE_NCURSES_NCURSES_H
+dnl	#  include <ncurses/ncurses.h>
+dnl	# else
+dnl	#  ifdef HAVE_NCURSES_H
+dnl	#   include <ncurses.h>
+dnl	#  else
+dnl	#   include <curses.h>
+dnl	#  endif
+dnl	# endif
+dnl	#endif
+dnl
+dnl	#ifdef HAVE_NCURSES_TERM_H
+dnl	#  include <ncurses/term.h>
+dnl	#else
+dnl	# ifdef HAVE_TERM_H
+dnl	#  include <term.h>
+dnl	# endif
+dnl	#endif
+dnl
+dnl	#if NEED_TERMCAP_H
+dnl	# include <termcap.h>
+dnl	#endif
+dnl
+AC_DEFUN([CF_TYPE_OUTCHAR],
+[
+AC_REQUIRE([CF_CURSES_TERMCAP])
+
+AC_CACHE_CHECK(declaration of tputs 3rd param, cf_cv_type_outchar,[
+
+cf_cv_type_outchar="int OutChar(int)"
+cf_cv_found=no
+cf_save_CPPFLAGS="$CPPFLAGS"
+CPPFLAGS="$CPPFLAGS $CHECK_DECL_FLAG"
+
+for P in int void; do
+for Q in int void; do
+for R in int char; do
+for S in "" const; do
+	CF_MSG_LOG(loop variables [P:[$]P, Q:[$]Q, R:[$]R, S:[$]S])
+	AC_TRY_COMPILE([$CHECK_DECL_HDRS],
+	[extern $Q OutChar($R);
+	extern $P tputs ($S char *string, int nlines, $Q (*_f)($R));
+	tputs("", 1, OutChar)],
+	[cf_cv_type_outchar="$Q OutChar($R)"
+	 cf_cv_found=yes
+	 break])
+done
+	test $cf_cv_found = yes && break
+done
+	test $cf_cv_found = yes && break
+done
+	test $cf_cv_found = yes && break
+done
+])
+
+case $cf_cv_type_outchar in
+int*)
+	AC_DEFINE(OUTC_RETURN)
+	;;
+esac
+case $cf_cv_type_outchar in
+*char*)
+	AC_DEFINE(OUTC_ARGS,char c)
+	;;
+esac
+
+CPPFLAGS="$cf_save_CPPFLAGS"
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_TYPE_SIGACTION version: 3 updated: 2000/08/12 23:18:52
+dnl -----------------
+dnl
+AC_DEFUN([CF_TYPE_SIGACTION],
+[
+AC_MSG_CHECKING([for type sigaction_t])
+AC_CACHE_VAL(cf_cv_type_sigaction,[
+	AC_TRY_COMPILE([
+#include <signal.h>],
+		[sigaction_t x],
+		[cf_cv_type_sigaction=yes],
+		[cf_cv_type_sigaction=no])])
+AC_MSG_RESULT($cf_cv_type_sigaction)
+test "$cf_cv_type_sigaction" = yes && AC_DEFINE(HAVE_TYPE_SIGACTION)
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_UNION_WAIT version: 5 updated: 1997/11/23 14:49:44
+dnl -------------
+dnl Check to see if the BSD-style union wait is declared.  Some platforms may
+dnl use this, though it is deprecated in favor of the 'int' type in Posix.
+dnl Some vendors provide a bogus implementation that declares union wait, but
+dnl uses the 'int' type instead; we try to spot these by checking for the
+dnl associated macros.
+dnl
+dnl Ahem.  Some implementers cast the status value to an int*, as an attempt to
+dnl use the macros for either union wait or int.  So we do a check compile to
+dnl see if the macros are defined and apply to an int.
+dnl
+dnl Sets: $cf_cv_type_unionwait
+dnl Defines: HAVE_TYPE_UNIONWAIT
+AC_DEFUN([CF_UNION_WAIT],
+[
+AC_REQUIRE([CF_WAIT_HEADERS])
+AC_MSG_CHECKING([for union wait])
+AC_CACHE_VAL(cf_cv_type_unionwait,[
+	AC_TRY_LINK($cf_wait_headers,
+	[int x;
+	 int y = WEXITSTATUS(x);
+	 int z = WTERMSIG(x);
+	 wait(&x);
+	],
+	[cf_cv_type_unionwait=no
+	 echo compiles ok w/o union wait 1>&AC_FD_CC
+	],[
+	AC_TRY_LINK($cf_wait_headers,
+	[union wait x;
+#ifdef WEXITSTATUS
+	 int y = WEXITSTATUS(x);
+#endif
+#ifdef WTERMSIG
+	 int z = WTERMSIG(x);
+#endif
+	 wait(&x);
+	],
+	[cf_cv_type_unionwait=yes
+	 echo compiles ok with union wait and possibly macros too 1>&AC_FD_CC
+	],
+	[cf_cv_type_unionwait=no])])])
+AC_MSG_RESULT($cf_cv_type_unionwait)
+test $cf_cv_type_unionwait = yes && AC_DEFINE(HAVE_TYPE_UNIONWAIT)
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_UPPER version: 5 updated: 2001/01/29 23:40:59
+dnl --------
+dnl Make an uppercase version of a variable
+dnl $1=uppercase($2)
+AC_DEFUN([CF_UPPER],
+[
+$1=`echo "$2" | sed y%abcdefghijklmnopqrstuvwxyz./-%ABCDEFGHIJKLMNOPQRSTUVWXYZ___%`
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_VERBOSE version: 2 updated: 1997/09/05 10:45:14
+dnl ----------
+dnl Use AC_VERBOSE w/o the warnings
+AC_DEFUN([CF_VERBOSE],
+[test -n "$verbose" && echo "	$1" 1>&AC_FD_MSG
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_WAIT_HEADERS version: 2 updated: 1997/10/21 19:45:33
+dnl ---------------
+dnl Build up an expression $cf_wait_headers with the header files needed to
+dnl compile against the prototypes for 'wait()', 'waitpid()', etc.  Assume it's
+dnl Posix, which uses <sys/types.h> and <sys/wait.h>, but allow SVr4 variation
+dnl with <wait.h>.
+AC_DEFUN([CF_WAIT_HEADERS],
+[
+AC_HAVE_HEADERS(sys/wait.h)
+cf_wait_headers="#include <sys/types.h>
+"
+if test $ac_cv_header_sys_wait_h = yes; then
+cf_wait_headers="$cf_wait_headers
+#include <sys/wait.h>
+"
+else
+AC_HAVE_HEADERS(wait.h)
+AC_HAVE_HEADERS(waitstatus.h)
+if test $ac_cv_header_wait_h = yes; then
+cf_wait_headers="$cf_wait_headers
+#include <wait.h>
+"
+fi
+if test $ac_cv_header_waitstatus_h = yes; then
+cf_wait_headers="$cf_wait_headers
+#include <waitstatus.h>
+"
+fi
+fi
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_WITH_CURSES_DIR version: 2 updated: 2002/11/10 14:46:59
+dnl ------------------
+dnl Wrapper for AC_ARG_WITH to specify directory under which to look for curses
+dnl libraries.
+AC_DEFUN([CF_WITH_CURSES_DIR],[
+AC_ARG_WITH(curses-dir,
+	[  --with-curses-dir=DIR   directory in which (n)curses is installed],
+	[CF_PATH_SYNTAX(withval)
+	 cf_cv_curses_dir=$withval],
+	[cf_cv_curses_dir=no])
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_WITH_DFTENV version: 3 updated: 1998/04/01 11:39:13
+dnl --------------
+dnl Wrapper for AC_ARG_WITH to inherit/override an environment variable's
+dnl "#define" in the compile.
+dnl $1 = option name
+dnl $2 = help-message
+dnl $3 = name of variable to inherit/override
+dnl $4 = default value of variable, if any
+AC_DEFUN([CF_WITH_DFTENV],
+[AC_ARG_WITH($1,[$2 ](default: ifelse($4,,empty,$4)),,
+ifelse($4,,[withval="${$3}"],[withval="${$3-$4}"]))dnl
+case "$withval" in #(vi
+yes|no)
+  AC_ERROR(expected a value for --with-$1)
+  ;;
+esac
+$3="$withval"
+AC_DEFINE_UNQUOTED($3,"[$]$3")dnl
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_WITH_PATH version: 6 updated: 1998/10/11 00:40:17
+dnl ------------
+dnl Wrapper for AC_ARG_WITH to ensure that user supplies a pathname, not just
+dnl defaulting to yes/no.
+dnl
+dnl $1 = option name
+dnl $2 = help-text
+dnl $3 = environment variable to set
+dnl $4 = default value, shown in the help-message, must be a constant
+dnl $5 = default value, if it's an expression & cannot be in the help-message
+dnl
+AC_DEFUN([CF_WITH_PATH],
+[AC_ARG_WITH($1,[$2 ](default: ifelse($4,,empty,$4)),,
+ifelse($4,,[withval="${$3}"],[withval="${$3-ifelse($5,,$4,$5)}"]))dnl
+CF_PATH_SYNTAX(withval)
+eval $3="$withval"
+AC_SUBST($3)dnl
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_WITH_PROGRAM version: 5 updated: 2001/07/22 23:07:22
+dnl ---------------
+dnl Wrapper for AC_PATH_PROG, with command-line option.
+dnl Params:
+dnl $1 = program name
+dnl $2 = help-string (I'd use format, but someone's disable it in autoconf)
+dnl $3 = caller-supplied default if no --with option is given.  If this is
+dnl      blank, the macro uses AC_PATH_PROG.
+AC_DEFUN([CF_WITH_PROGRAM],
+[dnl
+define([cf_path_name], PATH_[]translit($1, [a-z], [A-Z]))dnl
+define([cf_have_name], HAVE_[]translit($1, [a-z], [A-Z]))dnl
+AC_ARG_WITH($1,[$2],ifelse($3,,
+[case "$withval" in #(vi
+  yes[)]
+   AC_ERROR(expected a value for --with-$1)
+   ;; #(vi
+  no[)]
+   ;; #(vi
+  *[)]
+   # user supplied option-value for "--with-$1=path"
+   AC_MSG_CHECKING(for $1)
+   ac_cv_path_]cf_path_name[="$withval"
+   AC_DEFINE_UNQUOTED(cf_path_name,"$withval")dnl
+   AC_DEFINE(cf_have_name)dnl
+   AC_MSG_RESULT($withval)
+   ;;
+ esac],[$3]),[
+  # user did not specify "--with-$1"; do automatic check
+  AC_PATH_PROG(cf_path_name,$1)
+  if test -n "$cf_path_name"; then
+    AC_DEFINE_UNQUOTED(cf_path_name,"$cf_path_name")dnl
+    AC_DEFINE(cf_have_name)dnl
+  fi
+])dnl
+undefine([cf_path_name])undefine([cf_have_name])])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_WITH_VALUE version: 3 updated: 1998/04/01 11:39:13
+dnl -------------
+dnl Wrapper for AC_ARG_WITH to ensure that if the user supplies a value, it is
+dnl not simply defaulting to yes/no.  Empty strings are ok if the macro is
+dnl invoked without a default value
+dnl $1 = option name
+dnl $2 = help-message
+dnl $3 = variable to inherit/override
+dnl $4 = default value, if any.
+AC_DEFUN([CF_WITH_VALUE],
+[CF_ARG_WITH($1,[$2],[$3],[$4])
+ AC_DEFINE_UNQUOTED($3,"$withval")dnl
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_XOPEN_CURSES version: 6 updated: 2002/11/12 06:55:30
+dnl ---------------
+dnl Test if we should define X/Open source for curses, needed on Digital Unix
+dnl 4.x, to see the extended functions, but breaks on IRIX 6.x.
+AC_DEFUN([CF_XOPEN_CURSES],
+[
+AC_CACHE_CHECK(if we must define _XOPEN_SOURCE_EXTENDED,cf_cv_need_xopen_extension,[
+AC_TRY_LINK([
+#include <stdlib.h>
+#include <${cf_cv_ncurses_header-curses.h}>],[
+	long x = winnstr(stdscr, "", 0)],
+	[cf_cv_need_xopen_extension=no],
+	[AC_TRY_LINK([
+#define _XOPEN_SOURCE_EXTENDED
+#include <stdlib.h>
+#include <${cf_cv_ncurses_header-curses.h}>],[
+	long x = winnstr(stdscr, "", 0)],
+	[cf_cv_need_xopen_extension=yes],
+	[cf_cv_need_xopen_extension=unknown])])])
+test $cf_cv_need_xopen_extension = yes && CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE_EXTENDED"
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_X_ATHENA version: 11 updated: 2002/12/26 20:56:10
+dnl -----------
+dnl Check for Xaw (Athena) libraries
+dnl
+AC_DEFUN([CF_X_ATHENA],
+[AC_REQUIRE([CF_X_TOOLKIT])
+cf_x_athena=${cf_x_athena-Xaw}
+
+AC_ARG_WITH(Xaw3d,
+	[  --with-Xaw3d            link with Xaw 3d library],
+	[cf_x_athena=Xaw3d])
+
+AC_ARG_WITH(neXtaw,
+	[  --with-neXtaw           link with neXT Athena library],
+	[cf_x_athena=neXtaw])
+
+AC_ARG_WITH(XawPlus,
+	[  --with-XawPlus          link with Athena-Plus library],
+	[cf_x_athena=XawPlus])
+
+AC_CHECK_LIB(Xext,XextCreateExtension,
+	[LIBS="-lXext $LIBS"])
+
+cf_x_athena_lib=""
+
+CF_X_ATHENA_CPPFLAGS($cf_x_athena)
+CF_X_ATHENA_LIBS($cf_x_athena)
+])dnl
+dnl ---------------------------------------------------------------------------
+dnl CF_X_ATHENA_CPPFLAGS version: 2 updated: 2002/10/09 20:00:37
+dnl --------------------
+dnl Normally invoked by CF_X_ATHENA, with $1 set to the appropriate flavor of
+dnl the Athena widgets, e.g., Xaw, Xaw3d, neXtaw.
+AC_DEFUN([CF_X_ATHENA_CPPFLAGS],
+[
+cf_x_athena_root=ifelse($1,,Xaw,$1)
+cf_x_athena_include=""
+
+for cf_path in default \
+	/usr/contrib/X11R6 \
+	/usr/contrib/X11R5 \
+	/usr/lib/X11R5 \
+	/usr/local
+do
+	if test -z "$cf_x_athena_include" ; then
+		cf_save="$CPPFLAGS"
+		cf_test=X11/$cf_x_athena_root/SimpleMenu.h
+		if test $cf_path != default ; then
+			CPPFLAGS="-I$cf_path/include $cf_save"
+			AC_MSG_CHECKING(for $cf_test in $cf_path)
+		else
+			AC_MSG_CHECKING(for $cf_test)
+		fi
+		AC_TRY_COMPILE([
+#include <X11/Intrinsic.h>
+#include <$cf_test>],[],
+			[cf_result=yes],
+			[cf_result=no])
+		AC_MSG_RESULT($cf_result)
+		if test "$cf_result" = yes ; then
+			cf_x_athena_include=$cf_path
+			break
+		else
+			CPPFLAGS="$cf_save"
+		fi
+	fi
+done
+
+if test -z "$cf_x_athena_include" ; then
+	AC_MSG_WARN(
+[Unable to successfully find Athena header files with test program])
+elif test "$cf_x_athena_include" != default ; then
+	CPPFLAGS="$CPPFLAGS -I$cf_x_athena_include"
+fi
+])
+dnl ---------------------------------------------------------------------------
+dnl CF_X_ATHENA_LIBS version: 3 updated: 2003/02/16 15:24:54
+dnl ----------------
+dnl Normally invoked by CF_X_ATHENA, with $1 set to the appropriate flavor of
+dnl the Athena widgets, e.g., Xaw, Xaw3d, neXtaw.
+AC_DEFUN([CF_X_ATHENA_LIBS],
+[AC_REQUIRE([CF_X_TOOLKIT])
+cf_x_athena_root=ifelse($1,,Xaw,$1)
+cf_x_athena_lib=""
+
+for cf_path in default \
+	/usr/contrib/X11R6 \
+	/usr/contrib/X11R5 \
+	/usr/lib/X11R5 \
+	/usr/local
+do
+	for cf_lib in \
+		"-l$cf_x_athena_root -lXmu" \
+		"-l$cf_x_athena_root -lXpm -lXmu" \
+		"-l${cf_x_athena_root}_s -lXmu_s"
+	do
+		if test -z "$cf_x_athena_lib" ; then
+			cf_save="$LIBS"
+			cf_test=XawSimpleMenuAddGlobalActions
+			if test $cf_path != default ; then
+				LIBS="-L$cf_path/lib $cf_lib $LIBS"
+				AC_MSG_CHECKING(for $cf_lib in $cf_path)
+			else
+				LIBS="$cf_lib $LIBS"
+				AC_MSG_CHECKING(for $cf_test in $cf_lib)
+			fi
+			cf_SAVE="$LIBS"
+			LIBS="$X_PRE_LIBS $LIBS $X_EXTRA_LIBS"
+			AC_TRY_LINK([],[$cf_test()],
+				[cf_result=yes],
+				[cf_result=no])
+			AC_MSG_RESULT($cf_result)
+			if test "$cf_result" = yes ; then
+				cf_x_athena_lib="$cf_lib"
+				LIBS="$cf_SAVE"
+				break
+			else
+				LIBS="$cf_save"
+			fi
+		fi
+	done
+done
+
+if test -z "$cf_x_athena_lib" ; then
+	AC_ERROR(
+[Unable to successfully link Athena library (-l$cf_x_athena_root) with test program])
+fi
+
+CF_UPPER(cf_x_athena_LIBS,HAVE_LIB_$cf_x_athena)
+AC_DEFINE_UNQUOTED($cf_x_athena_LIBS)
+])
+dnl ---------------------------------------------------------------------------
+dnl CF_X_TOOLKIT version: 9 updated: 2001/12/30 19:09:58
+dnl ------------
+dnl Check for X Toolkit libraries
+dnl
+AC_DEFUN([CF_X_TOOLKIT],
+[
+AC_REQUIRE([CF_CHECK_CACHE])
+# We need to check for -lsocket and -lnsl here in order to work around an
+# autoconf bug.  autoconf-2.12 is not checking for these prior to checking for
+# the X11R6 -lSM and -lICE libraries.  The resultant failures cascade...
+# 	(tested on Solaris 2.5 w/ X11R6)
+SYSTEM_NAME=`echo "$cf_cv_system_name"|tr ' ' -`
+cf_have_X_LIBS=no
+case $SYSTEM_NAME in
+irix[[56]]*) ;;
+clix*)
+	# FIXME: modify the library lookup in autoconf to
+	# allow _s.a suffix ahead of .a
+	AC_CHECK_LIB(c_s,open,
+		[LIBS="-lc_s $LIBS"
+	AC_CHECK_LIB(bsd,gethostname,
+		[LIBS="-lbsd $LIBS"
+	AC_CHECK_LIB(nsl_s,gethostname,
+		[LIBS="-lnsl_s $LIBS"
+	AC_CHECK_LIB(X11_s,XOpenDisplay,
+		[LIBS="-lX11_s $LIBS"
+	AC_CHECK_LIB(Xt_s,XtAppInitialize,
+		[LIBS="-lXt_s $LIBS"
+		 cf_have_X_LIBS=Xt
+		]) ]) ]) ]) ])
+	;;
+*)
+	AC_CHECK_LIB(socket,socket)
+	AC_CHECK_LIB(nsl,gethostname)
+	;;
+esac
+
+if test $cf_have_X_LIBS = no ; then
+	AC_PATH_XTRA
+	LDFLAGS="$LDFLAGS $X_LIBS"
+	CF_CHECK_CFLAGS($X_CFLAGS)
+	AC_CHECK_LIB(X11,XOpenDisplay,
+		[LIBS="-lX11 $LIBS"],,
+		[$X_PRE_LIBS $LIBS $X_EXTRA_LIBS])
+	AC_CHECK_LIB(Xt, XtAppInitialize,
+		[AC_DEFINE(HAVE_LIBXT)
+		 cf_have_X_LIBS=Xt
+		 LIBS="-lXt $X_PRE_LIBS $LIBS"],,
+		[$X_PRE_LIBS $LIBS $X_EXTRA_LIBS])
+else
+	LDFLAGS="$LDFLAGS $X_LIBS"
+	CF_CHECK_CFLAGS($X_CFLAGS)
+fi
+
+if test $cf_have_X_LIBS = no ; then
+	AC_WARN(
+[Unable to successfully link X Toolkit library (-lXt) with
+test program.  You will have to check and add the proper libraries by hand
+to makefile.])
+fi
+])dnl