| ## libtool.m4 - Configure libtool for the target system. -*-Shell-script-*- |
| ## Copyright (C) 1996-1998 Free Software Foundation, Inc. |
| ## 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. |
| |
| # serial 24 AM_PROG_LIBTOOL |
| AC_DEFUN(AM_PROG_LIBTOOL, |
| [AC_REQUIRE([AM_ENABLE_SHARED])dnl |
| AC_REQUIRE([AM_ENABLE_STATIC])dnl |
| AC_REQUIRE([AC_CANONICAL_HOST])dnl |
| AC_REQUIRE([AC_PROG_RANLIB])dnl |
| AC_REQUIRE([AC_PROG_CC])dnl |
| AC_REQUIRE([AM_PROG_LD])dnl |
| AC_REQUIRE([AM_PROG_NM])dnl |
| AC_REQUIRE([AC_PROG_LN_S])dnl |
| dnl |
| # Always use our own libtool. |
| LIBTOOL='$(SHELL) $(top_builddir)/libtool' |
| AC_SUBST(LIBTOOL)dnl |
| |
| # Check for any special flags to pass to ltconfig. |
| libtool_flags= |
| test "$enable_shared" = no && libtool_flags="$libtool_flags --disable-shared" |
| test "$enable_static" = no && libtool_flags="$libtool_flags --disable-static" |
| test "$silent" = yes && libtool_flags="$libtool_flags --silent" |
| test "$ac_cv_prog_gcc" = yes && libtool_flags="$libtool_flags --with-gcc" |
| test "$ac_cv_prog_gnu_ld" = yes && libtool_flags="$libtool_flags --with-gnu-ld" |
| |
| # Some flags need to be propagated to the compiler or linker for good |
| # libtool support. |
| case "$host" in |
| *-*-irix6*) |
| # Find out which ABI we are using. |
| echo '[#]line __oline__ "configure"' > conftest.$ac_ext |
| if AC_TRY_EVAL(ac_compile); then |
| case "`/usr/bin/file conftest.o`" in |
| *32-bit*) |
| LD="${LD-ld} -32" |
| ;; |
| *N32*) |
| LD="${LD-ld} -n32" |
| ;; |
| *64-bit*) |
| LD="${LD-ld} -64" |
| ;; |
| esac |
| fi |
| rm -rf conftest* |
| ;; |
| |
| *-*-sco3.2v5*) |
| # On SCO OpenServer 5, we need -belf to get full-featured binaries. |
| CFLAGS="$CFLAGS -belf" |
| ;; |
| esac |
| |
| # Actually configure libtool. ac_aux_dir is where install-sh is found. |
| CC="$CC" CFLAGS="$CFLAGS" CPPFLAGS="$CPPFLAGS" \ |
| LD="$LD" NM="$NM" RANLIB="$RANLIB" LN_S="$LN_S" \ |
| ${CONFIG_SHELL-/bin/sh} $ac_aux_dir/ltconfig \ |
| $libtool_flags --no-verify $ac_aux_dir/ltmain.sh $host \ |
| || AC_MSG_ERROR([libtool configure failed]) |
| ]) |
| |
| # AM_ENABLE_SHARED - implement the --enable-shared flag |
| # Usage: AM_ENABLE_SHARED[(DEFAULT)] |
| # Where DEFAULT is either `yes' or `no'. If omitted, it defaults to |
| # `yes'. |
| AC_DEFUN(AM_ENABLE_SHARED, |
| [define([AM_ENABLE_SHARED_DEFAULT], ifelse($1, no, no, yes))dnl |
| AC_ARG_ENABLE(shared, |
| changequote(<<, >>)dnl |
| << --enable-shared build shared libraries [default=>>AM_ENABLE_SHARED_DEFAULT] |
| changequote([, ])dnl |
| [ --enable-shared=PKGS only build shared libraries if the current package |
| appears as an element in the PKGS list], |
| [p=${PACKAGE-default} |
| case "$enableval" in |
| yes) enable_shared=yes ;; |
| no) enable_shared=no ;; |
| *) |
| enable_shared=no |
| # Look at the argument we got. We use all the common list separators. |
| IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:," |
| for pkg in $enableval; do |
| if test "X$pkg" = "X$p"; then |
| enable_shared=yes |
| fi |
| done |
| IFS="$ac_save_ifs" |
| ;; |
| esac], |
| enable_shared=AM_ENABLE_SHARED_DEFAULT)dnl |
| ]) |
| |
| # AM_DISABLE_SHARED - set the default shared flag to --disable-shared |
| AC_DEFUN(AM_DISABLE_SHARED, |
| [AM_ENABLE_SHARED(no)]) |
| |
| # AM_DISABLE_STATIC - set the default static flag to --disable-static |
| AC_DEFUN(AM_DISABLE_STATIC, |
| [AM_ENABLE_STATIC(no)]) |
| |
| # AM_ENABLE_STATIC - implement the --enable-static flag |
| # Usage: AM_ENABLE_STATIC[(DEFAULT)] |
| # Where DEFAULT is either `yes' or `no'. If omitted, it defaults to |
| # `yes'. |
| AC_DEFUN(AM_ENABLE_STATIC, |
| [define([AM_ENABLE_STATIC_DEFAULT], ifelse($1, no, no, yes))dnl |
| AC_ARG_ENABLE(static, |
| changequote(<<, >>)dnl |
| << --enable-static build static libraries [default=>>AM_ENABLE_STATIC_DEFAULT] |
| changequote([, ])dnl |
| [ --enable-static=PKGS only build shared libraries if the current package |
| appears as an element in the PKGS list], |
| [p=${PACKAGE-default} |
| case "$enableval" in |
| yes) enable_static=yes ;; |
| no) enable_static=no ;; |
| *) |
| enable_static=no |
| # Look at the argument we got. We use all the common list separators. |
| IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:," |
| for pkg in $enableval; do |
| if test "X$pkg" = "X$p"; then |
| enable_static=yes |
| fi |
| done |
| IFS="$ac_save_ifs" |
| ;; |
| esac], |
| enable_static=AM_ENABLE_STATIC_DEFAULT)dnl |
| ]) |
| |
| |
| # AM_PROG_LD - find the path to the GNU or non-GNU linker |
| AC_DEFUN(AM_PROG_LD, |
| [AC_ARG_WITH(gnu-ld, |
| [ --with-gnu-ld assume the C compiler uses GNU ld [default=no]], |
| test "$withval" = no || with_gnu_ld=yes, with_gnu_ld=no) |
| AC_REQUIRE([AC_PROG_CC]) |
| ac_prog=ld |
| if test "$ac_cv_prog_gcc" = yes; then |
| # Check if gcc -print-prog-name=ld gives a path. |
| AC_MSG_CHECKING([for ld used by GCC]) |
| ac_prog=`($CC -print-prog-name=ld) 2>&5` |
| case "$ac_prog" in |
| # Accept absolute paths. |
| /* | [A-Za-z]:\\*) |
| 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}:" |
| for ac_dir in $PATH; do |
| test -z "$ac_dir" && ac_dir=. |
| if test -f "$ac_dir/$ac_prog"; 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 "$LD" && AC_MSG_ERROR([no acceptable ld found in \$PATH]) |
| AC_SUBST(LD) |
| AM_PROG_LD_GNU |
| ]) |
| |
| AC_DEFUN(AM_PROG_LD_GNU, |
| [AC_CACHE_CHECK([if the linker ($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 $LD -v 2>&1 </dev/null | egrep '(GNU|with BFD)' 1>&5; then |
| ac_cv_prog_gnu_ld=yes |
| else |
| ac_cv_prog_gnu_ld=no |
| fi]) |
| ]) |
| |
| # AM_PROG_NM - find the path to a BSD-compatible name lister |
| AC_DEFUN(AM_PROG_NM, |
| [AC_MSG_CHECKING([for BSD-compatible nm]) |
| AC_CACHE_VAL(ac_cv_path_NM, |
| [case "$NM" in |
| /* | [A-Za-z]:\\*) |
| ac_cv_path_NM="$NM" # Let the user override the test with a path. |
| ;; |
| *) |
| IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:" |
| for ac_dir in /usr/ucb /usr/ccs/bin $PATH /bin; do |
| test -z "$ac_dir" && ac_dir=. |
| if test -f $ac_dir/nm; then |
| # Check to see if the nm accepts a BSD-compat flag. |
| # Adding the `sed 1q' prevents false positives on HP-UX, which says: |
| # nm: unknown option "B" ignored |
| if ($ac_dir/nm -B /dev/null 2>&1 | sed '1q'; exit 0) | egrep /dev/null >/dev/null; then |
| ac_cv_path_NM="$ac_dir/nm -B" |
| elif ($ac_dir/nm -p /dev/null 2>&1 | sed '1q'; exit 0) | egrep /dev/null >/dev/null; then |
| ac_cv_path_NM="$ac_dir/nm -p" |
| else |
| ac_cv_path_NM="$ac_dir/nm" |
| fi |
| break |
| fi |
| done |
| IFS="$ac_save_ifs" |
| test -z "$ac_cv_path_NM" && ac_cv_path_NM=nm |
| ;; |
| esac]) |
| NM="$ac_cv_path_NM" |
| AC_MSG_RESULT([$NM]) |
| AC_SUBST(NM) |
| ]) |