1 # lib-ld.m4 serial 2 (gettext-0.12) 2 dnl Copyright (C) 1996-2003 Free Software Foundation, Inc. 3 dnl This file is free software, distributed under the terms of the GNU 4 dnl General Public License. As a special exception to the GNU General 5 dnl Public License, this file may be distributed as part of a program 6 dnl that contains a configuration script generated by Autoconf, under 7 dnl the same distribution terms as the rest of that program. 8 9 dnl Subroutines of libtool.m4, 10 dnl with replacements s/AC_/AC_LIB/ and s/lt_cv/acl_cv/ to avoid collision 11 dnl with libtool.m4. 12 13 dnl From libtool-1.4. Sets the variable with_gnu_ld to yes or no. 14 AC_DEFUN([AC_LIB_PROG_LD_GNU], 15 [AC_REQUIRE([AC_PROG_EGREP])dnl 16 AC_CACHE_CHECK([if the linker ($LD) is GNU ld], acl_cv_prog_gnu_ld, 17 [# I'd rather use --version here, but apparently some GNU ld's only accept -v. 18 if $LD -v 2>&1 </dev/null | $EGREP '(GNU|with BFD)' 1>&5; then 19 acl_cv_prog_gnu_ld=yes 20 else 21 acl_cv_prog_gnu_ld=no 22 fi]) 23 with_gnu_ld=$acl_cv_prog_gnu_ld 24 ]) 25 26 dnl From libtool-1.4. Sets the variable LD. 27 AC_DEFUN([AC_LIB_PROG_LD], 28 [AC_ARG_WITH(gnu-ld, 29 [ --with-gnu-ld assume the C compiler uses GNU ld [default=no]], 30 test "$withval" = no || with_gnu_ld=yes, with_gnu_ld=no) 31 AC_REQUIRE([AC_PROG_CC])dnl 32 AC_REQUIRE([AC_CANONICAL_HOST])dnl 33 AC_REQUIRE([AC_PROG_EGREP])dnl 34 # Prepare PATH_SEPARATOR. 35 # The user is always right. 36 if test "${PATH_SEPARATOR+set}" != set; then 37 echo "#! /bin/sh" >conf$$.sh 38 echo "exit 0" >>conf$$.sh 39 chmod +x conf$$.sh 40 if (PATH="/nonexistent;."; conf$$.sh) >/dev/null 2>&1; then 41 PATH_SEPARATOR=';' 42 else 43 PATH_SEPARATOR=: 44 fi 45 rm -f conf$$.sh 46 fi 47 ac_prog=ld 48 if test "$GCC" = yes; then 49 # Check if gcc -print-prog-name=ld gives a path. 50 AC_MSG_CHECKING([for ld used by GCC]) 51 case $host in 52 *-*-mingw*) 53 # gcc leaves a trailing carriage return which upsets mingw 54 ac_prog=`($CC -print-prog-name=ld) 2>&5 | tr -d '\015'` ;; 55 *) 56 ac_prog=`($CC -print-prog-name=ld) 2>&5` ;; 57 esac 58 case $ac_prog in 59 # Accept absolute paths. 60 [[\\/]* | [A-Za-z]:[\\/]*)] 61 [re_direlt='/[^/][^/]*/\.\./'] 62 # Canonicalize the path of ld 63 ac_prog=`echo $ac_prog| sed 's%\\\\%/%g'` 64 while echo $ac_prog | grep "$re_direlt" > /dev/null 2>&1; do 65 ac_prog=`echo $ac_prog| sed "s%$re_direlt%/%"` 66 done 67 test -z "$LD" && LD="$ac_prog" 68 ;; 69 "") 70 # If it fails, then pretend we aren't using GCC. 71 ac_prog=ld 72 ;; 73 *) 74 # If it is relative, then search for the first ld in PATH. 75 with_gnu_ld=unknown 76 ;; 77 esac 78 elif test "$with_gnu_ld" = yes; then 79 AC_MSG_CHECKING([for GNU ld]) 80 else 81 AC_MSG_CHECKING([for non-GNU ld]) 82 fi 83 AC_CACHE_VAL(acl_cv_path_LD, 84 [if test -z "$LD"; then 85 IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}${PATH_SEPARATOR-:}" 86 for ac_dir in $PATH; do 87 test -z "$ac_dir" && ac_dir=. 88 if test -f "$ac_dir/$ac_prog" || test -f "$ac_dir/$ac_prog$ac_exeext"; then 89 acl_cv_path_LD="$ac_dir/$ac_prog" 90 # Check to see if the program is GNU ld. I'd rather use --version, 91 # but apparently some GNU ld's only accept -v. 92 # Break only if it was the GNU/non-GNU ld that we prefer. 93 if "$acl_cv_path_LD" -v 2>&1 < /dev/null | $EGREP '(GNU|with BFD)' > /dev/null; then 94 test "$with_gnu_ld" != no && break 95 else 96 test "$with_gnu_ld" != yes && break 97 fi 98 fi 99 done 100 IFS="$ac_save_ifs" 101 else 102 acl_cv_path_LD="$LD" # Let the user override the test with a path. 103 fi]) 104 LD="$acl_cv_path_LD" 105 if test -n "$LD"; then 106 AC_MSG_RESULT($LD) 107 else 108 AC_MSG_RESULT(no) 109 fi 110 test -z "$LD" && AC_MSG_ERROR([no acceptable ld found in \$PATH]) 111 AC_LIB_PROG_LD_GNU 112 ]) 113
Indexes created Mon Mar 02 05:31:46 UTC 2026