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authorChris Larson <clarson@kergoth.com>2003-11-21 18:27:14 +0000
committerChris Larson <clarson@kergoth.com>2003-11-21 18:27:14 +0000
commite9b171e0738c2acef0650328b7f2e1ae7cdc55cc (patch)
tree8afdd2f094195bb88a7a9636f5b9bd9f53ebb492 /openssh
parentacea8d73cb0c72991690d488915e426bf7e46675 (diff)
Numerous build fixes from an oemake -a run, including two more fixes for libtool 'libdir from .la file leaking into library search path' situations.
BKrev: 3fbe5902eywlLRHkRQ1FaDS5C01-jg
Diffstat (limited to 'openssh')
-rw-r--r--openssh/openssh-3.7.1p1/configure.patch23706
1 files changed, 23706 insertions, 0 deletions
diff --git a/openssh/openssh-3.7.1p1/configure.patch b/openssh/openssh-3.7.1p1/configure.patch
index e69de29bb2..35629028cc 100644
--- a/openssh/openssh-3.7.1p1/configure.patch
+++ b/openssh/openssh-3.7.1p1/configure.patch
@@ -0,0 +1,23706 @@
+
+#
+# Patch managed by http://www.mn-logistik.de/unsupported/pxa250/patcher
+#
+
+--- openssh-3.7.1p1/configure.ac~configure
++++ openssh-3.7.1p1/configure.ac
+@@ -65,7 +65,7 @@
+ for tryflags in -blibpath: -Wl,-blibpath: -Wl,-rpath, ;do
+ if (test -z "$blibflags"); then
+ LDFLAGS="$saved_LDFLAGS $tryflags$blibpath"
+- AC_TRY_LINK([], [], [blibflags=$tryflags])
++ AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], [[]])],[blibflags=$tryflags],[])
+ fi
+ done
+ if (test -z "$blibflags"); then
+@@ -85,13 +85,9 @@
+ dnl Check if loginfailed is declared and takes 4 arguments (AIX >= 5.2)
+ AC_CHECK_DECL(loginfailed,
+ [AC_MSG_CHECKING(if loginfailed takes 4 arguments)
+- AC_TRY_COMPILE(
+- [#include <usersec.h>],
+- [(void)loginfailed("user","host","tty",0);],
+- [AC_MSG_RESULT(yes)
+- AC_DEFINE(AIX_LOGINFAILED_4ARG)],
+- [AC_MSG_RESULT(no)]
+- )],
++ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <usersec.h>]], [[(void)loginfailed("user","host","tty",0);]])],[AC_MSG_RESULT(yes)
++ AC_DEFINE(AIX_LOGINFAILED_4ARG)],[AC_MSG_RESULT(no)
++ ])],
+ [],
+ [#include <usersec.h>]
+ )
+@@ -123,15 +119,13 @@
+ ;;
+ *-*-darwin*)
+ AC_MSG_CHECKING(if we have working getaddrinfo)
+- AC_TRY_RUN([#include <mach-o/dyld.h>
++ AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <mach-o/dyld.h>
+ main() { if (NSVersionOfRunTimeLibrary("System") >= (60 << 16))
+ exit(0);
+ else
+ exit(1);
+-}], [AC_MSG_RESULT(working)],
+- [AC_MSG_RESULT(buggy)
+- AC_DEFINE(BROKEN_GETADDRINFO)],
+- [AC_MSG_RESULT(assume it is working)])
++}]])],[AC_MSG_RESULT(working)],[AC_MSG_RESULT(buggy)
++ AC_DEFINE(BROKEN_GETADDRINFO)],[AC_MSG_RESULT(assume it is working)])
+ ;;
+ *-*-hpux10.26)
+ if test -z "$GCC"; then
+@@ -442,16 +436,14 @@
+ )
+
+ AC_MSG_CHECKING(compiler and flags for sanity)
+-AC_TRY_RUN([
++AC_RUN_IFELSE([AC_LANG_SOURCE([[
+ #include <stdio.h>
+ int main(){exit(0);}
+- ],
+- [ AC_MSG_RESULT(yes) ],
+- [
++ ]])],[ AC_MSG_RESULT(yes) ],[
+ AC_MSG_RESULT(no)
+ AC_MSG_ERROR([*** compiler cannot create working executables, check config.log ***])
+- ]
+-)
++ ],[ AC_MSG_RESULT(yes)
++])
+
+ # Checks for header files.
+ AC_CHECK_HEADERS(bstring.h crypt.h endian.h features.h floatingpoint.h \
+@@ -483,8 +475,7 @@
+ ac_cv_have_broken_dirname, [
+ save_LIBS="$LIBS"
+ LIBS="$LIBS -lgen"
+- AC_TRY_RUN(
+- [
++ AC_RUN_IFELSE([AC_LANG_SOURCE([[
+ #include <libgen.h>
+ #include <string.h>
+
+@@ -499,10 +490,8 @@
+ exit(0);
+ }
+ }
+- ],
+- [ ac_cv_have_broken_dirname="no" ],
+- [ ac_cv_have_broken_dirname="yes" ]
+- )
++ ]])],[ ac_cv_have_broken_dirname="no" ],[ ac_cv_have_broken_dirname="yes"
++ ],[])
+ LIBS="$save_LIBS"
+ ])
+ if test "x$ac_cv_have_broken_dirname" = "xno" ; then
+@@ -609,19 +598,18 @@
+ ]
+ )
+
+-AC_MSG_CHECKING([whether struct dirent allocates space for d_name])
+-AC_TRY_RUN(
+- [
+-#include <sys/types.h>
+-#include <dirent.h>
+-int main(void){struct dirent d;exit(sizeof(d.d_name)<=sizeof(char));}
+- ],
+- [AC_MSG_RESULT(yes)],
+- [
+- AC_MSG_RESULT(no)
+- AC_DEFINE(BROKEN_ONE_BYTE_DIRENT_D_NAME)
+- ]
+-)
++AC_CACHE_CHECK([whether struct dirent allocates space for d_name], ac_cv_have_space_d_name_in_struct_dirent, [
++ AC_RUN_IFELSE([AC_LANG_SOURCE([[
++ #include <sys/types.h>
++ #include <dirent.h>
++ int main(void){struct dirent d;exit(sizeof(d.d_name)<=sizeof(char));}
++ ]])],[ac_cv_have_space_d_name_in_struct_dirent="yes"],[ac_cv_have_space_d_name_in_struct_dirent="no"
++ ],[])
++])
++
++if test "x$ac_cv_dirent_have_space_d_name" = "xyes" ; then
++ AC_DEFINE(BROKEN_ONE_BYTE_DIRENT_D_NAME)
++fi
+
+ # Check whether user wants S/Key support
+ SKEY_MSG="no"
+@@ -641,17 +629,14 @@
+ SKEY_MSG="yes"
+
+ AC_MSG_CHECKING([for s/key support])
+- AC_TRY_RUN(
+- [
++ AC_RUN_IFELSE([AC_LANG_SOURCE([[
+ #include <stdio.h>
+ #include <skey.h>
+ int main() { char *ff = skey_keyinfo(""); ff=""; exit(0); }
+- ],
+- [AC_MSG_RESULT(yes)],
+- [
++ ]])],[AC_MSG_RESULT(yes)],[
+ AC_MSG_RESULT(no)
+ AC_MSG_ERROR([** Incomplete or missing s/key libraries.])
+- ])
++ ],[])
+ fi
+ ]
+ )
+@@ -689,22 +674,18 @@
+ LIBWRAP="-lwrap"
+ LIBS="$LIBWRAP $LIBS"
+ AC_MSG_CHECKING(for libwrap)
+- AC_TRY_LINK(
+- [
++ AC_LINK_IFELSE([AC_LANG_PROGRAM([[
+ #include <tcpd.h>
+ int deny_severity = 0, allow_severity = 0;
+- ],
+- [hosts_access(0);],
+- [
++ ]], [[hosts_access(0);]])],[
+ AC_MSG_RESULT(yes)
+ AC_DEFINE(LIBWRAP)
+ AC_SUBST(LIBWRAP)
+ TCPW_MSG="yes"
+- ],
+- [
++ ],[
+ AC_MSG_ERROR([*** libwrap missing])
+- ]
+- )
++
++ ])
+ LIBS="$saved_LIBS"
+ fi
+ ]
+@@ -760,52 +741,47 @@
+
+ # Check for broken snprintf
+ if test "x$ac_cv_func_snprintf" = "xyes" ; then
+- AC_MSG_CHECKING([whether snprintf correctly terminates long strings])
+- AC_TRY_RUN(
+- [
++AC_CACHE_CHECK([whether snprintf correctly terminates long strings],
++ ac_cv_have_broken_snprintf, [
++ AC_RUN_IFELSE([AC_LANG_SOURCE([[
+ #include <stdio.h>
+ int main(void){char b[5];snprintf(b,5,"123456789");exit(b[4]!='\0');}
+- ],
+- [AC_MSG_RESULT(yes)],
+- [
+- AC_MSG_RESULT(no)
+- AC_DEFINE(BROKEN_SNPRINTF)
+- AC_MSG_WARN([****** Your snprintf() function is broken, complain to your vendor])
+- ]
+- )
++ ]])],[ ac_cv_have_broken_snprintf="no" ],[ ac_cv_have_broken_snprintf="yes"
++ ],[])
++])
++if test "x$ac_cv_have_broken_snprintf" = "xyes" ; then
++ AC_DEFINE(BROKEN_SNPRINTF)
++ AC_MSG_WARN([****** Your snprintf() function is broken, complain to your vendor])
++fi
+ fi
+
+ dnl see whether mkstemp() requires XXXXXX
+ if test "x$ac_cv_func_mkdtemp" = "xyes" ; then
+ AC_MSG_CHECKING([for (overly) strict mkstemp])
+-AC_TRY_RUN(
+- [
++AC_RUN_IFELSE([AC_LANG_SOURCE([[
+ #include <stdlib.h>
+ main() { char template[]="conftest.mkstemp-test";
+ if (mkstemp(template) == -1)
+ exit(1);
+ unlink(template); exit(0);
+ }
+- ],
+- [
++ ]])],[
+ AC_MSG_RESULT(no)
+- ],
+- [
++ ],[
+ AC_MSG_RESULT(yes)
+ AC_DEFINE(HAVE_STRICT_MKSTEMP)
+- ],
+- [
++ ],[
+ AC_MSG_RESULT(yes)
+ AC_DEFINE(HAVE_STRICT_MKSTEMP)
+- ]
+-)
++
++])
+ fi
+
+ dnl make sure that openpty does not reacquire controlling terminal
+ if test ! -z "$check_for_openpty_ctty_bug"; then
+- AC_MSG_CHECKING(if openpty correctly handles controlling tty)
+- AC_TRY_RUN(
+- [
++AC_CACHE_CHECK([if openpty acquires controlling terminal],
++ ac_cv_have_openpty_ctty_bug, [
++ AC_RUN_IFELSE([AC_LANG_SOURCE([[
+ #include <stdio.h>
+ #include <sys/fcntl.h>
+ #include <sys/types.h>
+@@ -837,15 +813,12 @@
+ exit(0); /* Did not acquire ctty: OK */
+ }
+ }
+- ],
+- [
+- AC_MSG_RESULT(yes)
+- ],
+- [
+- AC_MSG_RESULT(no)
+- AC_DEFINE(SSHD_ACQUIRES_CTTY)
+- ]
+- )
++ ]])],[ ac_cv_have_openpty_ctty_bug="no" ],[ ac_cv_have_openpty_ctty_bug="yes"
++ ],[])
++])
++if test "x$ac_cv_have_openpty_ctty_bug" = "xyes" ; then
++ AC_DEFINE(SSHD_ACQUIRES_CTTY)
++fi
+ fi
+
+ AC_FUNC_GETPGRP
+@@ -883,19 +856,15 @@
+ if test "x$PAM_MSG" = "xyes" ; then
+ # Check PAM strerror arguments (old PAM)
+ AC_MSG_CHECKING([whether pam_strerror takes only one argument])
+- AC_TRY_COMPILE(
+- [
++ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
+ #include <stdlib.h>
+ #include <security/pam_appl.h>
+- ],
+- [(void)pam_strerror((pam_handle_t *)NULL, -1);],
+- [AC_MSG_RESULT(no)],
+- [
++ ]], [[(void)pam_strerror((pam_handle_t *)NULL, -1);]])],[AC_MSG_RESULT(no)],[
+ AC_DEFINE(HAVE_OLD_PAM)
+ AC_MSG_RESULT(yes)
+ PAM_MSG="yes (old library)"
+- ]
+- )
++
++ ])
+ fi
+
+ # Some systems want crypt() from libcrypt, *not* the version in OpenSSL,
+@@ -952,8 +921,7 @@
+
+ # Determine OpenSSL header version
+ AC_MSG_CHECKING([OpenSSL header version])
+-AC_TRY_RUN(
+- [
++AC_RUN_IFELSE([AC_LANG_SOURCE([[
+ #include <stdio.h>
+ #include <string.h>
+ #include <openssl/opensslv.h>
+@@ -971,21 +939,21 @@
+
+ exit(0);
+ }
+- ],
+- [
++ ]])],[
+ ssl_header_ver=`cat conftest.sslincver`
+ AC_MSG_RESULT($ssl_header_ver)
+- ],
+- [
++ ],[
+ AC_MSG_RESULT(not found)
+ AC_MSG_ERROR(OpenSSL version header not found.)
+- ]
+-)
++ ],[
++ AC_MSG_RESULT(unknown)
++ AC_MSG_WARN(Skipping OpenSSL header version check due to crosscompilation.)
++
++])
+
+ # Determine OpenSSL library version
+ AC_MSG_CHECKING([OpenSSL library version])
+-AC_TRY_RUN(
+- [
++AC_RUN_IFELSE([AC_LANG_SOURCE([[
+ #include <stdio.h>
+ #include <string.h>
+ #include <openssl/opensslv.h>
+@@ -1004,35 +972,36 @@
+
+ exit(0);
+ }
+- ],
+- [
++ ]])],[
+ ssl_library_ver=`cat conftest.ssllibver`
+ AC_MSG_RESULT($ssl_library_ver)
+- ],
+- [
++ ],[
+ AC_MSG_RESULT(not found)
+ AC_MSG_ERROR(OpenSSL library not found.)
+- ]
+-)
++ ],[
++ AC_MSG_RESULT(unknown)
++ AC_MSG_WARN(Skipping OpenSSL library version check due to crosscompilation.)
++
++])
+
+ # Sanity check OpenSSL headers
+ AC_MSG_CHECKING([whether OpenSSL's headers match the library])
+-AC_TRY_RUN(
+- [
++AC_RUN_IFELSE([AC_LANG_SOURCE([[
+ #include <string.h>
+ #include <openssl/opensslv.h>
+ int main(void) { exit(SSLeay() == OPENSSL_VERSION_NUMBER ? 0 : 1); }
+- ],
+- [
++ ]])],[
+ AC_MSG_RESULT(yes)
+- ],
+- [
++ ],[
+ AC_MSG_RESULT(no)
+ AC_MSG_ERROR([Your OpenSSL headers do not match your library.
+ Check config.log for details.
+ Also see contrib/findssl.sh for help identifying header/library mismatches.])
+- ]
+-)
++ ],[
++ AC_MSG_RESULT(unknown)
++ AC_MSG_WARN(Skipping OpenSSL version comparison due to crosscompilation.)
++
++])
+
+ # Some Linux systems (Slackware) need crypt() from libcrypt, *not* the
+ # version in OpenSSL. Skip this for PAM
+@@ -1040,30 +1009,8 @@
+ AC_CHECK_LIB(crypt, crypt, LIBS="$LIBS -lcrypt")
+ fi
+
+-
+ ### Configure cryptographic random number support
+
+-# Check wheter OpenSSL seeds itself
+-AC_MSG_CHECKING([whether OpenSSL's PRNG is internally seeded])
+-AC_TRY_RUN(
+- [
+-#include <string.h>
+-#include <openssl/rand.h>
+-int main(void) { exit(RAND_status() == 1 ? 0 : 1); }
+- ],
+- [
+- OPENSSL_SEEDS_ITSELF=yes
+- AC_MSG_RESULT(yes)
+- ],
+- [
+- AC_MSG_RESULT(no)
+- # Default to use of the rand helper if OpenSSL doesn't
+- # seed itself
+- USE_RAND_HELPER=yes
+- ]
+-)
+-
+-
+ # Do we want to force the use of the rand helper?
+ AC_ARG_WITH(rand-helper,
+ [ --with-rand-helper Use subprocess to gather strong randomness ],
+@@ -1080,6 +1027,24 @@
+ USE_RAND_HELPER=yes
+ fi
+ ],
++ # Check whether OpenSSL seeds itself
++ [
++ AC_MSG_CHECKING([whether OpenSSL's PRNG is internally seeded])
++ AC_RUN_IFELSE([AC_LANG_SOURCE([[
++ #include <string.h>
++ #include <openssl/rand.h>
++ int main(void) { exit(RAND_status() == 1 ? 0 : 1); }
++ ]])],[
++ OPENSSL_SEEDS_ITSELF=yes
++ AC_MSG_RESULT(yes)
++ ],[
++ AC_MSG_RESULT(no)
++ # Default to use of the rand helper if OpenSSL doesn't
++ # seed itself
++ USE_RAND_HELPER=yes
++
++ ],[])
++ ]
+ )
+
+ # Which randomness source do we use?
+@@ -1261,12 +1226,8 @@
+
+ # More checks for data types
+ AC_CACHE_CHECK([for u_int type], ac_cv_have_u_int, [
+- AC_TRY_COMPILE(
+- [ #include <sys/types.h> ],
+- [ u_int a; a = 1;],
+- [ ac_cv_have_u_int="yes" ],
+- [ ac_cv_have_u_int="no" ]
+- )
++ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #include <sys/types.h> ]], [[ u_int a; a = 1;]])],[ ac_cv_have_u_int="yes" ],[ ac_cv_have_u_int="no"
++ ])
+ ])
+ if test "x$ac_cv_have_u_int" = "xyes" ; then
+ AC_DEFINE(HAVE_U_INT)
+@@ -1274,12 +1235,8 @@
+ fi
+
+ AC_CACHE_CHECK([for intXX_t types], ac_cv_have_intxx_t, [
+- AC_TRY_COMPILE(
+- [ #include <sys/types.h> ],
+- [ int8_t a; int16_t b; int32_t c; a = b = c = 1;],
+- [ ac_cv_have_intxx_t="yes" ],
+- [ ac_cv_have_intxx_t="no" ]
+- )
++ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #include <sys/types.h> ]], [[ int8_t a; int16_t b; int32_t c; a = b = c = 1;]])],[ ac_cv_have_intxx_t="yes" ],[ ac_cv_have_intxx_t="no"
++ ])
+ ])
+ if test "x$ac_cv_have_intxx_t" = "xyes" ; then
+ AC_DEFINE(HAVE_INTXX_T)
+@@ -1290,20 +1247,15 @@
+ test "x$ac_cv_header_stdint_h" = "xyes")
+ then
+ AC_MSG_CHECKING([for intXX_t types in stdint.h])
+- AC_TRY_COMPILE(
+- [ #include <stdint.h> ],
+- [ int8_t a; int16_t b; int32_t c; a = b = c = 1;],
+- [
++ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #include <stdint.h> ]], [[ int8_t a; int16_t b; int32_t c; a = b = c = 1;]])],[
+ AC_DEFINE(HAVE_INTXX_T)
+ AC_MSG_RESULT(yes)
+- ],
+- [ AC_MSG_RESULT(no) ]
+- )
++ ],[ AC_MSG_RESULT(no)
++ ])
+ fi
+
+ AC_CACHE_CHECK([for int64_t type], ac_cv_have_int64_t, [
+- AC_TRY_COMPILE(
+- [
++ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
+ #include <sys/types.h>
+ #ifdef HAVE_STDINT_H
+ # include <stdint.h>
+@@ -1312,23 +1264,16 @@
+ #ifdef HAVE_SYS_BITYPES_H
+ # include <sys/bitypes.h>
+ #endif
+- ],
+- [ int64_t a; a = 1;],
+- [ ac_cv_have_int64_t="yes" ],
+- [ ac_cv_have_int64_t="no" ]
+- )
++ ]], [[ int64_t a; a = 1;]])],[ ac_cv_have_int64_t="yes" ],[ ac_cv_have_int64_t="no"
++ ])
+ ])
+ if test "x$ac_cv_have_int64_t" = "xyes" ; then
+ AC_DEFINE(HAVE_INT64_T)
+ fi
+
+ AC_CACHE_CHECK([for u_intXX_t types], ac_cv_have_u_intxx_t, [
+- AC_TRY_COMPILE(
+- [ #include <sys/types.h> ],
+- [ u_int8_t a; u_int16_t b; u_int32_t c; a = b = c = 1;],
+- [ ac_cv_have_u_intxx_t="yes" ],
+- [ ac_cv_have_u_intxx_t="no" ]
+- )
++ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #include <sys/types.h> ]], [[ u_int8_t a; u_int16_t b; u_int32_t c; a = b = c = 1;]])],[ ac_cv_have_u_intxx_t="yes" ],[ ac_cv_have_u_intxx_t="no"
++ ])
+ ])
+ if test "x$ac_cv_have_u_intxx_t" = "xyes" ; then
+ AC_DEFINE(HAVE_U_INTXX_T)
+@@ -1337,24 +1282,16 @@
+
+ if test -z "$have_u_intxx_t" ; then
+ AC_MSG_CHECKING([for u_intXX_t types in sys/socket.h])
+- AC_TRY_COMPILE(
+- [ #include <sys/socket.h> ],
+- [ u_int8_t a; u_int16_t b; u_int32_t c; a = b = c = 1;],
+- [
++ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #include <sys/socket.h> ]], [[ u_int8_t a; u_int16_t b; u_int32_t c; a = b = c = 1;]])],[
+ AC_DEFINE(HAVE_U_INTXX_T)
+ AC_MSG_RESULT(yes)
+- ],
+- [ AC_MSG_RESULT(no) ]
+- )
++ ],[ AC_MSG_RESULT(no)
++ ])
+ fi
+
+ AC_CACHE_CHECK([for u_int64_t types], ac_cv_have_u_int64_t, [
+- AC_TRY_COMPILE(
+- [ #include <sys/types.h> ],
+- [ u_int64_t a; a = 1;],
+- [ ac_cv_have_u_int64_t="yes" ],
+- [ ac_cv_have_u_int64_t="no" ]
+- )
++ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #include <sys/types.h> ]], [[ u_int64_t a; a = 1;]])],[ ac_cv_have_u_int64_t="yes" ],[ ac_cv_have_u_int64_t="no"
++ ])
+ ])
+ if test "x$ac_cv_have_u_int64_t" = "xyes" ; then
+ AC_DEFINE(HAVE_U_INT64_T)
+@@ -1363,27 +1300,19 @@
+
+ if test -z "$have_u_int64_t" ; then
+ AC_MSG_CHECKING([for u_int64_t type in sys/bitypes.h])
+- AC_TRY_COMPILE(
+- [ #include <sys/bitypes.h> ],
+- [ u_int64_t a; a = 1],
+- [
++ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #include <sys/bitypes.h> ]], [[ u_int64_t a; a = 1]])],[
+ AC_DEFINE(HAVE_U_INT64_T)
+ AC_MSG_RESULT(yes)
+- ],
+- [ AC_MSG_RESULT(no) ]
+- )
++ ],[ AC_MSG_RESULT(no)
++ ])
+ fi
+
+ if test -z "$have_u_intxx_t" ; then
+ AC_CACHE_CHECK([for uintXX_t types], ac_cv_have_uintxx_t, [
+- AC_TRY_COMPILE(
+- [
++ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
+ #include <sys/types.h>
+- ],
+- [ uint8_t a; uint16_t b; uint32_t c; a = b = c = 1; ],
+- [ ac_cv_have_uintxx_t="yes" ],
+- [ ac_cv_have_uintxx_t="no" ]
+- )
++ ]], [[ uint8_t a; uint16_t b; uint32_t c; a = b = c = 1; ]])],[ ac_cv_have_uintxx_t="yes" ],[ ac_cv_have_uintxx_t="no"
++ ])
+ ])
+ if test "x$ac_cv_have_uintxx_t" = "xyes" ; then
+ AC_DEFINE(HAVE_UINTXX_T)
+@@ -1392,49 +1321,37 @@
+
+ if test -z "$have_uintxx_t" ; then
+ AC_MSG_CHECKING([for uintXX_t types in stdint.h])
+- AC_TRY_COMPILE(
+- [ #include <stdint.h> ],
+- [ uint8_t a; uint16_t b; uint32_t c; a = b = c = 1;],
+- [
++ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #include <stdint.h> ]], [[ uint8_t a; uint16_t b; uint32_t c; a = b = c = 1;]])],[
+ AC_DEFINE(HAVE_UINTXX_T)
+ AC_MSG_RESULT(yes)
+- ],
+- [ AC_MSG_RESULT(no) ]
+- )
++ ],[ AC_MSG_RESULT(no)
++ ])
+ fi
+
+ if (test -z "$have_u_intxx_t" || test -z "$have_intxx_t" && \
+ test "x$ac_cv_header_sys_bitypes_h" = "xyes")
+ then
+ AC_MSG_CHECKING([for intXX_t and u_intXX_t types in sys/bitypes.h])
+- AC_TRY_COMPILE(
+- [
++ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
+ #include <sys/bitypes.h>
+- ],
+- [
++ ]], [[
+ int8_t a; int16_t b; int32_t c;
+ u_int8_t e; u_int16_t f; u_int32_t g;
+ a = b = c = e = f = g = 1;
+- ],
+- [
++ ]])],[
+ AC_DEFINE(HAVE_U_INTXX_T)
+ AC_DEFINE(HAVE_INTXX_T)
+ AC_MSG_RESULT(yes)
+- ],
+- [AC_MSG_RESULT(no)]
+- )
++ ],[AC_MSG_RESULT(no)
++ ])
+ fi
+
+
+ AC_CACHE_CHECK([for u_char], ac_cv_have_u_char, [
+- AC_TRY_COMPILE(
+- [
++ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
+ #include <sys/types.h>
+- ],
+- [ u_char foo; foo = 125; ],
+- [ ac_cv_have_u_char="yes" ],
+- [ ac_cv_have_u_char="no" ]
+- )
++ ]], [[ u_char foo; foo = 125; ]])],[ ac_cv_have_u_char="yes" ],[ ac_cv_have_u_char="no"
++ ])
+ ])
+ if test "x$ac_cv_have_u_char" = "xyes" ; then
+ AC_DEFINE(HAVE_U_CHAR)
+@@ -1445,56 +1362,40 @@
+ AC_CHECK_TYPES(sig_atomic_t,,,[#include <signal.h>])
+
+ AC_CACHE_CHECK([for size_t], ac_cv_have_size_t, [
+- AC_TRY_COMPILE(
+- [
++ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
+ #include <sys/types.h>
+- ],
+- [ size_t foo; foo = 1235; ],
+- [ ac_cv_have_size_t="yes" ],
+- [ ac_cv_have_size_t="no" ]
+- )
++ ]], [[ size_t foo; foo = 1235; ]])],[ ac_cv_have_size_t="yes" ],[ ac_cv_have_size_t="no"
++ ])
+ ])
+ if test "x$ac_cv_have_size_t" = "xyes" ; then
+ AC_DEFINE(HAVE_SIZE_T)
+ fi
+
+ AC_CACHE_CHECK([for ssize_t], ac_cv_have_ssize_t, [
+- AC_TRY_COMPILE(
+- [
++ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
+ #include <sys/types.h>
+- ],
+- [ ssize_t foo; foo = 1235; ],
+- [ ac_cv_have_ssize_t="yes" ],
+- [ ac_cv_have_ssize_t="no" ]
+- )
++ ]], [[ ssize_t foo; foo = 1235; ]])],[ ac_cv_have_ssize_t="yes" ],[ ac_cv_have_ssize_t="no"
++ ])
+ ])
+ if test "x$ac_cv_have_ssize_t" = "xyes" ; then
+ AC_DEFINE(HAVE_SSIZE_T)
+ fi
+
+ AC_CACHE_CHECK([for clock_t], ac_cv_have_clock_t, [
+- AC_TRY_COMPILE(
+- [
++ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
+ #include <time.h>
+- ],
+- [ clock_t foo; foo = 1235; ],
+- [ ac_cv_have_clock_t="yes" ],
+- [ ac_cv_have_clock_t="no" ]
+- )
++ ]], [[ clock_t foo; foo = 1235; ]])],[ ac_cv_have_clock_t="yes" ],[ ac_cv_have_clock_t="no"
++ ])
+ ])
+ if test "x$ac_cv_have_clock_t" = "xyes" ; then
+ AC_DEFINE(HAVE_CLOCK_T)
+ fi
+
+ AC_CACHE_CHECK([for sa_family_t], ac_cv_have_sa_family_t, [
+- AC_TRY_COMPILE(
+- [
++ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
+ #include <sys/types.h>
+ #include <sys/socket.h>
+- ],
+- [ sa_family_t foo; foo = 1235; ],
+- [ ac_cv_have_sa_family_t="yes" ],
+- [ AC_TRY_COMPILE(
++ ]], [[ sa_family_t foo; foo = 1235; ]])],[ ac_cv_have_sa_family_t="yes" ],[ AC_TRY_COMPILE(
+ [
+ #include <sys/types.h>
+ #include <sys/socket.h>
+@@ -1504,36 +1405,28 @@
+ [ ac_cv_have_sa_family_t="yes" ],
+
+ [ ac_cv_have_sa_family_t="no" ]
+- )]
+ )
++ ])
+ ])
+ if test "x$ac_cv_have_sa_family_t" = "xyes" ; then
+ AC_DEFINE(HAVE_SA_FAMILY_T)
+ fi
+
+ AC_CACHE_CHECK([for pid_t], ac_cv_have_pid_t, [
+- AC_TRY_COMPILE(
+- [
++ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
+ #include <sys/types.h>
+- ],
+- [ pid_t foo; foo = 1235; ],
+- [ ac_cv_have_pid_t="yes" ],
+- [ ac_cv_have_pid_t="no" ]
+- )
++ ]], [[ pid_t foo; foo = 1235; ]])],[ ac_cv_have_pid_t="yes" ],[ ac_cv_have_pid_t="no"
++ ])
+ ])
+ if test "x$ac_cv_have_pid_t" = "xyes" ; then
+ AC_DEFINE(HAVE_PID_T)
+ fi
+
+ AC_CACHE_CHECK([for mode_t], ac_cv_have_mode_t, [
+- AC_TRY_COMPILE(
+- [
++ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
+ #include <sys/types.h>
+- ],
+- [ mode_t foo; foo = 1235; ],
+- [ ac_cv_have_mode_t="yes" ],
+- [ ac_cv_have_mode_t="no" ]
+- )
++ ]], [[ mode_t foo; foo = 1235; ]])],[ ac_cv_have_mode_t="yes" ],[ ac_cv_have_mode_t="no"
++ ])
+ ])
+ if test "x$ac_cv_have_mode_t" = "xyes" ; then
+ AC_DEFINE(HAVE_MODE_T)
+@@ -1541,73 +1434,53 @@
+
+
+ AC_CACHE_CHECK([for struct sockaddr_storage], ac_cv_have_struct_sockaddr_storage, [
+- AC_TRY_COMPILE(
+- [
++ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
+ #include <sys/types.h>
+ #include <sys/socket.h>
+- ],
+- [ struct sockaddr_storage s; ],
+- [ ac_cv_have_struct_sockaddr_storage="yes" ],
+- [ ac_cv_have_struct_sockaddr_storage="no" ]
+- )
++ ]], [[ struct sockaddr_storage s; ]])],[ ac_cv_have_struct_sockaddr_storage="yes" ],[ ac_cv_have_struct_sockaddr_storage="no"
++ ])
+ ])
+ if test "x$ac_cv_have_struct_sockaddr_storage" = "xyes" ; then
+ AC_DEFINE(HAVE_STRUCT_SOCKADDR_STORAGE)
+ fi
+
+ AC_CACHE_CHECK([for struct sockaddr_in6], ac_cv_have_struct_sockaddr_in6, [
+- AC_TRY_COMPILE(
+- [
++ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
+ #include <sys/types.h>
+ #include <netinet/in.h>
+- ],
+- [ struct sockaddr_in6 s; s.sin6_family = 0; ],
+- [ ac_cv_have_struct_sockaddr_in6="yes" ],
+- [ ac_cv_have_struct_sockaddr_in6="no" ]
+- )
++ ]], [[ struct sockaddr_in6 s; s.sin6_family = 0; ]])],[ ac_cv_have_struct_sockaddr_in6="yes" ],[ ac_cv_have_struct_sockaddr_in6="no"
++ ])
+ ])
+ if test "x$ac_cv_have_struct_sockaddr_in6" = "xyes" ; then
+ AC_DEFINE(HAVE_STRUCT_SOCKADDR_IN6)
+ fi
+
+ AC_CACHE_CHECK([for struct in6_addr], ac_cv_have_struct_in6_addr, [
+- AC_TRY_COMPILE(
+- [
++ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
+ #include <sys/types.h>
+ #include <netinet/in.h>
+- ],
+- [ struct in6_addr s; s.s6_addr[0] = 0; ],
+- [ ac_cv_have_struct_in6_addr="yes" ],
+- [ ac_cv_have_struct_in6_addr="no" ]
+- )
++ ]], [[ struct in6_addr s; s.s6_addr[0] = 0; ]])],[ ac_cv_have_struct_in6_addr="yes" ],[ ac_cv_have_struct_in6_addr="no"
++ ])
+ ])
+ if test "x$ac_cv_have_struct_in6_addr" = "xyes" ; then
+ AC_DEFINE(HAVE_STRUCT_IN6_ADDR)
+ fi
+
+ AC_CACHE_CHECK([for struct addrinfo], ac_cv_have_struct_addrinfo, [
+- AC_TRY_COMPILE(
+- [
++ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
+ #include <sys/types.h>
+ #include <sys/socket.h>
+ #include <netdb.h>
+- ],
+- [ struct addrinfo s; s.ai_flags = AI_PASSIVE; ],
+- [ ac_cv_have_struct_addrinfo="yes" ],
+- [ ac_cv_have_struct_addrinfo="no" ]
+- )
++ ]], [[ struct addrinfo s; s.ai_flags = AI_PASSIVE; ]])],[ ac_cv_have_struct_addrinfo="yes" ],[ ac_cv_have_struct_addrinfo="no"
++ ])
+ ])
+ if test "x$ac_cv_have_struct_addrinfo" = "xyes" ; then
+ AC_DEFINE(HAVE_STRUCT_ADDRINFO)
+ fi
+
+ AC_CACHE_CHECK([for struct timeval], ac_cv_have_struct_timeval, [
+- AC_TRY_COMPILE(
+- [ #include <sys/time.h> ],
+- [ struct timeval tv; tv.tv_sec = 1;],
+- [ ac_cv_have_struct_timeval="yes" ],
+- [ ac_cv_have_struct_timeval="no" ]
+- )
++ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #include <sys/time.h> ]], [[ struct timeval tv; tv.tv_sec = 1;]])],[ ac_cv_have_struct_timeval="yes" ],[ ac_cv_have_struct_timeval="no"
++ ])
+ ])
+ if test "x$ac_cv_have_struct_timeval" = "xyes" ; then
+ AC_DEFINE(HAVE_STRUCT_TIMEVAL)
+@@ -1626,32 +1499,42 @@
+ exit 1;
+ else
+ dnl test snprintf (broken on SCO w/gcc)
+- AC_TRY_RUN(
+- [
+-#include <stdio.h>
+-#include <string.h>
+-#ifdef HAVE_SNPRINTF
+-main()
+-{
+- char buf[50];
+- char expected_out[50];
+- int mazsize = 50 ;
+-#if (SIZEOF_LONG_INT == 8)
+- long int num = 0x7fffffffffffffff;
+-#else
+- long long num = 0x7fffffffffffffffll;
+-#endif
+- strcpy(expected_out, "9223372036854775807");
+- snprintf(buf, mazsize, "%lld", num);
+- if(strcmp(buf, expected_out) != 0)
+- exit(1);
+- exit(0);
+-}
+-#else
+-main() { exit(0); }
+-#endif
+- ], [ true ], [ AC_DEFINE(BROKEN_SNPRINTF) ]
+- )
++ if test "x$ac_cv_have_broken_snprintf" != "xyes" ; then
++# no need to test again if we already know its broken :)
++ AC_CACHE_CHECK([whether snprintf is broken],
++ ac_cv_have_broken_snprintf, [
++ AC_RUN_IFELSE([AC_LANG_SOURCE([[
++ #include <stdio.h>
++ #include <string.h>
++ #ifdef HAVE_SNPRINTF
++ main()
++ {
++ char buf[50];
++ char expected_out[50];
++ int mazsize = 50 ;
++ #if (SIZEOF_LONG_INT == 8)
++ long int num = 0x7fffffffffffffff;
++ #else
++ long long num = 0x7fffffffffffffffll;
++ #endif
++ strcpy(expected_out, "9223372036854775807");
++ snprintf(buf, mazsize, "%lld", num);
++ if(strcmp(buf, expected_out) != 0)
++ exit(1);
++ exit(0);
++ }
++ #else
++ main() { exit(0); }
++ #endif
++ ]])],[ true ],[
++ ac_cv_have_broken_snprintf="yes"
++
++ ],[])
++ ])
++ if test "x$ac_cv_have_broken_snprintf" = "xyes" ; then
++ AC_DEFINE(BROKEN_SNPRINTF)
++ fi
++ fi
+ fi
+
+ dnl Checks for structure members
+@@ -1677,15 +1560,10 @@
+
+ AC_CACHE_CHECK([for ss_family field in struct sockaddr_storage],
+ ac_cv_have_ss_family_in_struct_ss, [
+- AC_TRY_COMPILE(
+- [
++ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
+ #include <sys/types.h>
+ #include <sys/socket.h>
+- ],
+- [ struct sockaddr_storage s; s.ss_family = 1; ],
+- [ ac_cv_have_ss_family_in_struct_ss="yes" ],
+- [ ac_cv_have_ss_family_in_struct_ss="no" ],
+- )
++ ]], [[ struct sockaddr_storage s; s.ss_family = 1; ]])],[ ac_cv_have_ss_family_in_struct_ss="yes" ],[ ac_cv_have_ss_family_in_struct_ss="no" ])
+ ])
+ if test "x$ac_cv_have_ss_family_in_struct_ss" = "xyes" ; then
+ AC_DEFINE(HAVE_SS_FAMILY_IN_SS)
+@@ -1693,15 +1571,11 @@
+
+ AC_CACHE_CHECK([for __ss_family field in struct sockaddr_storage],
+ ac_cv_have___ss_family_in_struct_ss, [
+- AC_TRY_COMPILE(
+- [
++ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
+ #include <sys/types.h>
+ #include <sys/socket.h>
+- ],
+- [ struct sockaddr_storage s; s.__ss_family = 1; ],
+- [ ac_cv_have___ss_family_in_struct_ss="yes" ],
+- [ ac_cv_have___ss_family_in_struct_ss="no" ]
+- )
++ ]], [[ struct sockaddr_storage s; s.__ss_family = 1; ]])],[ ac_cv_have___ss_family_in_struct_ss="yes" ],[ ac_cv_have___ss_family_in_struct_ss="no"
++ ])
+ ])
+ if test "x$ac_cv_have___ss_family_in_struct_ss" = "xyes" ; then
+ AC_DEFINE(HAVE___SS_FAMILY_IN_SS)
+@@ -1709,14 +1583,10 @@
+
+ AC_CACHE_CHECK([for pw_class field in struct passwd],
+ ac_cv_have_pw_class_in_struct_passwd, [
+- AC_TRY_COMPILE(
+- [
++ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
+ #include <pwd.h>
+- ],
+- [ struct passwd p; p.pw_class = 0; ],
+- [ ac_cv_have_pw_class_in_struct_passwd="yes" ],
+- [ ac_cv_have_pw_class_in_struct_passwd="no" ]
+- )
++ ]], [[ struct passwd p; p.pw_class = 0; ]])],[ ac_cv_have_pw_class_in_struct_passwd="yes" ],[ ac_cv_have_pw_class_in_struct_passwd="no"
++ ])
+ ])
+ if test "x$ac_cv_have_pw_class_in_struct_passwd" = "xyes" ; then
+ AC_DEFINE(HAVE_PW_CLASS_IN_PASSWD)
+@@ -1724,14 +1594,10 @@
+
+ AC_CACHE_CHECK([for pw_expire field in struct passwd],
+ ac_cv_have_pw_expire_in_struct_passwd, [
+- AC_TRY_COMPILE(
+- [
++ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
+ #include <pwd.h>
+- ],
+- [ struct passwd p; p.pw_expire = 0; ],
+- [ ac_cv_have_pw_expire_in_struct_passwd="yes" ],
+- [ ac_cv_have_pw_expire_in_struct_passwd="no" ]
+- )
++ ]], [[ struct passwd p; p.pw_expire = 0; ]])],[ ac_cv_have_pw_expire_in_struct_passwd="yes" ],[ ac_cv_have_pw_expire_in_struct_passwd="no"
++ ])
+ ])
+ if test "x$ac_cv_have_pw_expire_in_struct_passwd" = "xyes" ; then
+ AC_DEFINE(HAVE_PW_EXPIRE_IN_PASSWD)
+@@ -1739,14 +1605,10 @@
+
+ AC_CACHE_CHECK([for pw_change field in struct passwd],
+ ac_cv_have_pw_change_in_struct_passwd, [
+- AC_TRY_COMPILE(
+- [
++ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
+ #include <pwd.h>
+- ],
+- [ struct passwd p; p.pw_change = 0; ],
+- [ ac_cv_have_pw_change_in_struct_passwd="yes" ],
+- [ ac_cv_have_pw_change_in_struct_passwd="no" ]
+- )
++ ]], [[ struct passwd p; p.pw_change = 0; ]])],[ ac_cv_have_pw_change_in_struct_passwd="yes" ],[ ac_cv_have_pw_change_in_struct_passwd="no"
++ ])
+ ])
+ if test "x$ac_cv_have_pw_change_in_struct_passwd" = "xyes" ; then
+ AC_DEFINE(HAVE_PW_CHANGE_IN_PASSWD)
+@@ -1755,8 +1617,7 @@
+ dnl make sure we're using the real structure members and not defines
+ AC_CACHE_CHECK([for msg_accrights field in struct msghdr],
+ ac_cv_have_accrights_in_msghdr, [
+- AC_TRY_RUN(
+- [
++ AC_RUN_IFELSE([AC_LANG_SOURCE([[
+ #include <sys/types.h>
+ #include <sys/socket.h>
+ #include <sys/uio.h>
+@@ -1768,10 +1629,8 @@
+ m.msg_accrights = 0;
+ exit(0);
+ }
+- ],
+- [ ac_cv_have_accrights_in_msghdr="yes" ],
+- [ ac_cv_have_accrights_in_msghdr="no" ]
+- )
++ ]])],[ ac_cv_have_accrights_in_msghdr="yes" ],[ ac_cv_have_accrights_in_msghdr="no"
++ ],[])
+ ])
+ if test "x$ac_cv_have_accrights_in_msghdr" = "xyes" ; then
+ AC_DEFINE(HAVE_ACCRIGHTS_IN_MSGHDR)
+@@ -1779,8 +1638,7 @@
+
+ AC_CACHE_CHECK([for msg_control field in struct msghdr],
+ ac_cv_have_control_in_msghdr, [
+- AC_TRY_RUN(
+- [
++ AC_RUN_IFELSE([AC_LANG_SOURCE([[
+ #include <sys/types.h>
+ #include <sys/socket.h>
+ #include <sys/uio.h>
+@@ -1792,47 +1650,36 @@
+ m.msg_control = 0;
+ exit(0);
+ }
+- ],
+- [ ac_cv_have_control_in_msghdr="yes" ],
+- [ ac_cv_have_control_in_msghdr="no" ]
+- )
++ ]])],[ ac_cv_have_control_in_msghdr="yes" ],[ ac_cv_have_control_in_msghdr="no"
++ ],[])
+ ])
+ if test "x$ac_cv_have_control_in_msghdr" = "xyes" ; then
+ AC_DEFINE(HAVE_CONTROL_IN_MSGHDR)
+ fi
+
+ AC_CACHE_CHECK([if libc defines __progname], ac_cv_libc_defines___progname, [
+- AC_TRY_LINK([],
+- [ extern char *__progname; printf("%s", __progname); ],
+- [ ac_cv_libc_defines___progname="yes" ],
+- [ ac_cv_libc_defines___progname="no" ]
+- )
++ AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], [[ extern char *__progname; printf("%s", __progname); ]])],[ ac_cv_libc_defines___progname="yes" ],[ ac_cv_libc_defines___progname="no"
++ ])
+ ])
+ if test "x$ac_cv_libc_defines___progname" = "xyes" ; then
+ AC_DEFINE(HAVE___PROGNAME)
+ fi
+
+ AC_CACHE_CHECK([whether $CC implements __FUNCTION__], ac_cv_cc_implements___FUNCTION__, [
+- AC_TRY_LINK([
++ AC_LINK_IFELSE([AC_LANG_PROGRAM([[
+ #include <stdio.h>
+-],
+- [ printf("%s", __FUNCTION__); ],
+- [ ac_cv_cc_implements___FUNCTION__="yes" ],
+- [ ac_cv_cc_implements___FUNCTION__="no" ]
+- )
++]], [[ printf("%s", __FUNCTION__); ]])],[ ac_cv_cc_implements___FUNCTION__="yes" ],[ ac_cv_cc_implements___FUNCTION__="no"
++ ])
+ ])
+ if test "x$ac_cv_cc_implements___FUNCTION__" = "xyes" ; then
+ AC_DEFINE(HAVE___FUNCTION__)
+ fi
+
+ AC_CACHE_CHECK([whether $CC implements __func__], ac_cv_cc_implements___func__, [
+- AC_TRY_LINK([
++ AC_LINK_IFELSE([AC_LANG_PROGRAM([[
+ #include <stdio.h>
+-],
+- [ printf("%s", __func__); ],
+- [ ac_cv_cc_implements___func__="yes" ],
+- [ ac_cv_cc_implements___func__="no" ]
+- )
++]], [[ printf("%s", __func__); ]])],[ ac_cv_cc_implements___func__="yes" ],[ ac_cv_cc_implements___func__="no"
++ ])
+ ])
+ if test "x$ac_cv_cc_implements___func__" = "xyes" ; then
+ AC_DEFINE(HAVE___func__)
+@@ -1840,25 +1687,18 @@
+
+ AC_CACHE_CHECK([whether getopt has optreset support],
+ ac_cv_have_getopt_optreset, [
+- AC_TRY_LINK(
+- [
++ AC_LINK_IFELSE([AC_LANG_PROGRAM([[
+ #include <getopt.h>
+- ],
+- [ extern int optreset; optreset = 0; ],
+- [ ac_cv_have_getopt_optreset="yes" ],
+- [ ac_cv_have_getopt_optreset="no" ]
+- )
++ ]], [[ extern int optreset; optreset = 0; ]])],[ ac_cv_have_getopt_optreset="yes" ],[ ac_cv_have_getopt_optreset="no"
++ ])
+ ])
+ if test "x$ac_cv_have_getopt_optreset" = "xyes" ; then
+ AC_DEFINE(HAVE_GETOPT_OPTRESET)
+ fi
+
+ AC_CACHE_CHECK([if libc defines sys_errlist], ac_cv_libc_defines_sys_errlist, [
+- AC_TRY_LINK([],
+- [ extern const char *const sys_errlist[]; printf("%s", sys_errlist[0]);],
+- [ ac_cv_libc_defines_sys_errlist="yes" ],
+- [ ac_cv_libc_defines_sys_errlist="no" ]
+- )
++ AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], [[ extern const char *const sys_errlist[]; printf("%s", sys_errlist[0]);]])],[ ac_cv_libc_defines_sys_errlist="yes" ],[ ac_cv_libc_defines_sys_errlist="no"
++ ])
+ ])
+ if test "x$ac_cv_libc_defines_sys_errlist" = "xyes" ; then
+ AC_DEFINE(HAVE_SYS_ERRLIST)
+@@ -1866,11 +1706,8 @@
+
+
+ AC_CACHE_CHECK([if libc defines sys_nerr], ac_cv_libc_defines_sys_nerr, [
+- AC_TRY_LINK([],
+- [ extern int sys_nerr; printf("%i", sys_nerr);],
+- [ ac_cv_libc_defines_sys_nerr="yes" ],
+- [ ac_cv_libc_defines_sys_nerr="no" ]
+- )
++ AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], [[ extern int sys_nerr; printf("%i", sys_nerr);]])],[ ac_cv_libc_defines_sys_nerr="yes" ],[ ac_cv_libc_defines_sys_nerr="no"
++ ])
+ ])
+ if test "x$ac_cv_libc_defines_sys_nerr" = "xyes" ; then
+ AC_DEFINE(HAVE_SYS_NERR)
+@@ -1965,16 +1802,13 @@
+