| ## 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 ... |