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Diffstat (limited to 'config/libtool.m4')
| -rw-r--r-- | config/libtool.m4 | 119 |
1 files changed, 119 insertions, 0 deletions
diff --git a/config/libtool.m4 b/config/libtool.m4 new file mode 100644 index 0000000..f6e426d --- /dev/null +++ b/config/libtool.m4 @@ -0,0 +1,119 @@ +## libtool.m4 - Configure libtool for the host system. -*-Shell-script-*- +## Copyright (C) 1996-1999,2000 Free Software Foundation, Inc. +## Originally by Gordon Matzigkeit <gord@gnu.ai.mit.edu>, 1996 +## +## This program is free software; you can redistribute it and/or modify +## it under the terms of the GNU General Public License as published by +## the Free Software Foundation; either version 2 of the License, or +## (at your option) any later version. +## +## This program is distributed in the hope that it will be useful, but +## WITHOUT ANY WARRANTY; without even the implied warranty of +## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +## General Public License for more details. +## +## You should have received a copy of the GNU General Public License +## along with this program; if not, write to the Free Software +## Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. +## +## As a special exception to the GNU General Public License, if you +## distribute this file as part of a program that contains a +## configuration script generated by Autoconf, you may include it under +## the same distribution terms that you use for the rest of that program. + +# No, PostgreSQL doesn't use libtool (yet), we just borrow stuff from it. +# This file was taken on 2000-10-20 from the multi-language branch (since +# that is the branch that PostgreSQL would most likely adopt anyway). +# --petere + +# ... bunch of stuff removed here ... + +# PGAC_PROG_LD - find the path to the GNU or non-GNU linker +AC_DEFUN([PGAC_PROG_LD], +[AC_ARG_WITH(gnu-ld, +[ --with-gnu-ld assume the C compiler uses GNU ld [[default=no]]], +test "$withval" = no || with_gnu_ld=yes, with_gnu_ld=no) +AC_REQUIRE([AC_PROG_CC])dnl +AC_REQUIRE([AC_CANONICAL_HOST])dnl +dnl ###not for PostgreSQL### AC_REQUIRE([AC_CANONICAL_BUILD])dnl +ac_prog=ld +if test "$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. +changequote(,)dnl + [\\/]* | [A-Za-z]:[\\/]*) + re_direlt='/[^/][^/]*/\.\./' +changequote([,])dnl + # 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 "$with_gnu_ld" = yes; then + AC_MSG_CHECKING([for GNU ld]) +else + AC_MSG_CHECKING([for non-GNU ld]) +fi +AC_CACHE_VAL(ac_cv_path_LD, +[if test -z "$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$ac_exeext"; then + ac_cv_path_LD="$ac_dir/$ac_prog" + # Check to see if the program is GNU ld. I'd rather use --version, + # but apparently some GNU ld's only accept -v. + # Break only if it was the GNU/non-GNU ld that we prefer. + if "$ac_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="$ac_save_ifs" +else + ac_cv_path_LD="$LD" # Let the user override the test with a path. +fi]) +LD="$ac_cv_path_LD" +if test -n "$LD"; then + AC_MSG_RESULT($LD) +else + AC_MSG_RESULT(no) +fi +test -z "$LD" && AC_MSG_ERROR([no acceptable ld found in \$PATH]) +PGAC_PROG_LD_GNU +]) + +AC_DEFUN([PGAC_PROG_LD_GNU], +[AC_CACHE_CHECK([if the linker ($LD) is GNU ld], ac_cv_prog_gnu_ld, +[# I'd rather use --version here, but apparently some GNU ld's only accept -v. +if $LD -v 2>&1 </dev/null | egrep '(GNU|with BFD)' 1>&5; then + ac_cv_prog_gnu_ld=yes +else + ac_cv_prog_gnu_ld=no +fi]) +with_gnu_ld=$ac_cv_prog_gnu_ld +]) + +# ... more stuff removed ... |