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author | DJ Delorie <dj@redhat.com> | 2004-09-23 19:43:47 +0000 |
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committer | DJ Delorie <dj@redhat.com> | 2004-09-23 19:43:47 +0000 |
commit | f19dd04abc3e196242a0ee33cedf19feb52ba32b (patch) | |
tree | a5e139664e00f1cf1b81a3605e3dc041a3b3aa24 /config/lib-ld.m4 | |
parent | 8e937346a7d44d5aa50e2da1bc636af14cf0734a (diff) | |
download | gdb-f19dd04abc3e196242a0ee33cedf19feb52ba32b.zip gdb-f19dd04abc3e196242a0ee33cedf19feb52ba32b.tar.gz gdb-f19dd04abc3e196242a0ee33cedf19feb52ba32b.tar.bz2 |
Merge from gcc
2004-09-22 Kelley Cook <kcook@gcc.gnu.org>
* gettext-sister.m4: Renamed from gettext.m4
* codeset.m4, gettext.m4, glibc21.m4, iconv.m4, intdiv0.m4, po.m4,
inttypes.m4, inttypes-pri.m4, inttypes_h.m4, lcmessage.m4, lib-ld.m4,
lib-link.m4, lib-prefix.m4, nls.m4, progtest.m4, stdint_h.m4,
uintmax_t.m4, ulonglong.m4: Import from gettext-0.12.1 sources.
Diffstat (limited to 'config/lib-ld.m4')
-rw-r--r-- | config/lib-ld.m4 | 110 |
1 files changed, 110 insertions, 0 deletions
diff --git a/config/lib-ld.m4 b/config/lib-ld.m4 new file mode 100644 index 0000000..11d0ce7 --- /dev/null +++ b/config/lib-ld.m4 @@ -0,0 +1,110 @@ +# lib-ld.m4 serial 2 (gettext-0.12) +dnl Copyright (C) 1996-2003 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 "$withval" = no || with_gnu_ld=yes, with_gnu_ld=no) +AC_REQUIRE([AC_PROG_CC])dnl +AC_REQUIRE([AC_CANONICAL_HOST])dnl +# Prepare PATH_SEPARATOR. +# The user is always right. +if test "${PATH_SEPARATOR+set}" != set; then + echo "#! /bin/sh" >conf$$.sh + echo "exit 0" >>conf$$.sh + chmod +x conf$$.sh + if (PATH="/nonexistent;."; conf$$.sh) >/dev/null 2>&1; then + PATH_SEPARATOR=';' + else + PATH_SEPARATOR=: + fi + rm -f conf$$.sh +fi +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 +]) |