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- ## libtool.m4 - Configure libtool for the target 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.
-
- # serial 40 AC_PROG_LIBTOOL
- AC_DEFUN(AC_PROG_LIBTOOL,
- [AC_REQUIRE([AC_LIBTOOL_SETUP])dnl
-
- # Save cache, so that ltconfig can load it
- AC_CACHE_SAVE
-
- # Actually configure libtool. ac_aux_dir is where install-sh is found.
- CC="$CC" CFLAGS="$CFLAGS" CPPFLAGS="$CPPFLAGS" \
- LD="$LD" LDFLAGS="$LDFLAGS" LIBS="$LIBS" \
- LN_S="$LN_S" NM="$NM" RANLIB="$RANLIB" \
- DLLTOOL="$DLLTOOL" AS="$AS" OBJDUMP="$OBJDUMP" \
- ${CONFIG_SHELL-/bin/sh} $ac_aux_dir/ltconfig --no-reexec \
- $libtool_flags --no-verify $ac_aux_dir/ltmain.sh $lt_target \
- || AC_MSG_ERROR([libtool configure failed])
-
- # Reload cache, that may have been modified by ltconfig
- AC_CACHE_LOAD
-
- # This can be used to rebuild libtool when needed
- LIBTOOL_DEPS="$ac_aux_dir/ltconfig $ac_aux_dir/ltmain.sh"
-
- # Always use our own libtool.
- LIBTOOL='$(SHELL) $(top_builddir)/libtool'
- AC_SUBST(LIBTOOL)dnl
-
- # Redirect the config.log output again, so that the ltconfig log is not
- # clobbered by the next message.
- exec 5>>./config.log
- ])
-
- AC_DEFUN(AC_LIBTOOL_SETUP,
- [AC_PREREQ(2.13)dnl
- AC_REQUIRE([AC_ENABLE_SHARED])dnl
- AC_REQUIRE([AC_ENABLE_STATIC])dnl
- AC_REQUIRE([AC_ENABLE_FAST_INSTALL])dnl
- AC_REQUIRE([AC_CANONICAL_HOST])dnl
- AC_REQUIRE([AC_CANONICAL_BUILD])dnl
- AC_REQUIRE([AC_PROG_RANLIB])dnl
- AC_REQUIRE([AC_PROG_CC])dnl
- AC_REQUIRE([AC_PROG_LD])dnl
- AC_REQUIRE([AC_PROG_NM])dnl
- AC_REQUIRE([AC_PROG_LN_S])dnl
- dnl
-
- case "$target" in
- NONE) lt_target="$host" ;;
- *) lt_target="$target" ;;
- esac
-
- # Check for any special flags to pass to ltconfig.
- libtool_flags="--cache-file=$cache_file"
- test "$enable_shared" = no && libtool_flags="$libtool_flags --disable-shared"
- test "$enable_static" = no && libtool_flags="$libtool_flags --disable-static"
- test "$enable_fast_install" = no && libtool_flags="$libtool_flags --disable-fast-install"
- test "$ac_cv_prog_gcc" = yes && libtool_flags="$libtool_flags --with-gcc"
- test "$ac_cv_prog_gnu_ld" = yes && libtool_flags="$libtool_flags --with-gnu-ld"
- ifdef([AC_PROVIDE_AC_LIBTOOL_DLOPEN],
- [libtool_flags="$libtool_flags --enable-dlopen"])
- ifdef([AC_PROVIDE_AC_LIBTOOL_WIN32_DLL],
- [libtool_flags="$libtool_flags --enable-win32-dll"])
- AC_ARG_ENABLE(libtool-lock,
- [ --disable-libtool-lock avoid locking (might break parallel builds)])
- test "x$enable_libtool_lock" = xno && libtool_flags="$libtool_flags --disable-lock"
- test x"$silent" = xyes && libtool_flags="$libtool_flags --silent"
-
- # Some flags need to be propagated to the compiler or linker for good
- # libtool support.
- case "$lt_target" 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.
- SAVE_CFLAGS="$CFLAGS"
- CFLAGS="$CFLAGS -belf"
- AC_CACHE_CHECK([whether the C compiler needs -belf], lt_cv_cc_needs_belf,
- [AC_TRY_LINK([],[],[lt_cv_cc_needs_belf=yes],[lt_cv_cc_needs_belf=no])])
- if test x"$lt_cv_cc_needs_belf" != x"yes"; then
- # this is probably gcc 2.8.0, egcs 1.0 or newer; no need for -belf
- CFLAGS="$SAVE_CFLAGS"
- fi
- ;;
-
- ifdef([AC_PROVIDE_AC_LIBTOOL_WIN32_DLL],
- [*-*-cygwin* | *-*-mingw*)
- AC_CHECK_TOOL(DLLTOOL, dlltool, false)
- AC_CHECK_TOOL(AS, as, false)
- AC_CHECK_TOOL(OBJDUMP, objdump, false)
- ;;
- ])
- esac
- ])
-
- # AC_LIBTOOL_DLOPEN - enable checks for dlopen support
- AC_DEFUN(AC_LIBTOOL_DLOPEN, [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])])
-
- # AC_LIBTOOL_WIN32_DLL - declare package support for building win32 dll's
- AC_DEFUN(AC_LIBTOOL_WIN32_DLL, [AC_BEFORE([$0], [AC_LIBTOOL_SETUP])])
-
- # AC_ENABLE_SHARED - implement the --enable-shared flag
- # Usage: AC_ENABLE_SHARED[(DEFAULT)]
- # Where DEFAULT is either `yes' or `no'. If omitted, it defaults to
- # `yes'.
- AC_DEFUN(AC_ENABLE_SHARED, [dnl
- define([AC_ENABLE_SHARED_DEFAULT], ifelse($1, no, no, yes))dnl
- AC_ARG_ENABLE(shared,
- changequote(<<, >>)dnl
- << --enable-shared[=PKGS] build shared libraries [default=>>AC_ENABLE_SHARED_DEFAULT],
- changequote([, ])dnl
- [p=${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=AC_ENABLE_SHARED_DEFAULT)dnl
- ])
-
- # AC_DISABLE_SHARED - set the default shared flag to --disable-shared
- AC_DEFUN(AC_DISABLE_SHARED, [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl
- AC_ENABLE_SHARED(no)])
-
- # AC_ENABLE_STATIC - implement the --enable-static flag
- # Usage: AC_ENABLE_STATIC[(DEFAULT)]
- # Where DEFAULT is either `yes' or `no'. If omitted, it defaults to
- # `yes'.
- AC_DEFUN(AC_ENABLE_STATIC, [dnl
- define([AC_ENABLE_STATIC_DEFAULT], ifelse($1, no, no, yes))dnl
- AC_ARG_ENABLE(static,
- changequote(<<, >>)dnl
- << --enable-static[=PKGS] build static libraries [default=>>AC_ENABLE_STATIC_DEFAULT],
- changequote([, ])dnl
- [p=${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=AC_ENABLE_STATIC_DEFAULT)dnl
- ])
-
- # AC_DISABLE_STATIC - set the default static flag to --disable-static
- AC_DEFUN(AC_DISABLE_STATIC, [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl
- AC_ENABLE_STATIC(no)])
-
-
- # AC_ENABLE_FAST_INSTALL - implement the --enable-fast-install flag
- # Usage: AC_ENABLE_FAST_INSTALL[(DEFAULT)]
- # Where DEFAULT is either `yes' or `no'. If omitted, it defaults to
- # `yes'.
- AC_DEFUN(AC_ENABLE_FAST_INSTALL, [dnl
- define([AC_ENABLE_FAST_INSTALL_DEFAULT], ifelse($1, no, no, yes))dnl
- AC_ARG_ENABLE(fast-install,
- changequote(<<, >>)dnl
- << --enable-fast-install[=PKGS] optimize for fast installation [default=>>AC_ENABLE_FAST_INSTALL_DEFAULT],
- changequote([, ])dnl
- [p=${PACKAGE-default}
- case "$enableval" in
- yes) enable_fast_install=yes ;;
- no) enable_fast_install=no ;;
- *)
- enable_fast_install=no
- # Look at the argument we got. We use all the common list separators.
- IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:,"
- for pkg in $enableval; do
- if test "X$pkg" = "X$p"; then
- enable_fast_install=yes
- fi
- done
- IFS="$ac_save_ifs"
- ;;
- esac],
- enable_fast_install=AC_ENABLE_FAST_INSTALL_DEFAULT)dnl
- ])
-
- # AC_ENABLE_FAST_INSTALL - set the default to --disable-fast-install
- AC_DEFUN(AC_DISABLE_FAST_INSTALL, [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl
- AC_ENABLE_FAST_INSTALL(no)])
-
- # AC_PROG_LD - find the path to the GNU or non-GNU linker
- AC_DEFUN(AC_PROG_LD,
- [AC_ARG_WITH(gnu-ld,
- [ --with-gnu-ld assume the C compiler uses GNU ld [default=no]],
- test "$withval" = no || with_gnu_ld=yes, with_gnu_ld=no)
- AC_REQUIRE([AC_PROG_CC])dnl
- AC_REQUIRE([AC_CANONICAL_HOST])dnl
- AC_REQUIRE([AC_CANONICAL_BUILD])dnl
- 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.
- 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])
- AC_PROG_LD_GNU
- ])
-
- AC_DEFUN(AC_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 $LD -v 2>&1 </dev/null | egrep '(GNU|with BFD)' 1>&5; then
- ac_cv_prog_gnu_ld=yes
- else
- ac_cv_prog_gnu_ld=no
- fi])
- ])
-
- # AC_PROG_NM - find the path to a BSD-compatible name lister
- AC_DEFUN(AC_PROG_NM,
- [AC_MSG_CHECKING([for BSD-compatible nm])
- AC_CACHE_VAL(ac_cv_path_NM,
- [if test -n "$NM"; then
- # Let the user override the test.
- ac_cv_path_NM="$NM"
- else
- IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}${PATH_SEPARATOR-:}"
- for ac_dir in $PATH /usr/ccs/bin /usr/ucb /bin; do
- test -z "$ac_dir" && ac_dir=.
- if test -f $ac_dir/nm || test -f $ac_dir/nm$ac_exeext ; 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"
- break
- 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"
- break
- else
- ac_cv_path_NM=${ac_cv_path_NM="$ac_dir/nm"} # keep the first match, but
- continue # so that we can try to find one that supports BSD flags
- fi
- fi
- done
- IFS="$ac_save_ifs"
- test -z "$ac_cv_path_NM" && ac_cv_path_NM=nm
- fi])
- NM="$ac_cv_path_NM"
- AC_MSG_RESULT([$NM])
- ])
-
- # AC_CHECK_LIBM - check for math library
- AC_DEFUN(AC_CHECK_LIBM,
- [AC_REQUIRE([AC_CANONICAL_HOST])dnl
- LIBM=
- case "$lt_target" in
- *-*-beos* | *-*-cygwin*)
- # These system don't have libm
- ;;
- *-ncr-sysv4.3*)
- AC_CHECK_LIB(mw, _mwvalidcheckl, LIBM="-lmw")
- AC_CHECK_LIB(m, main, LIBM="$LIBM -lm")
- ;;
- *)
- AC_CHECK_LIB(m, main, LIBM="-lm")
- ;;
- esac
- ])
-
- # AC_LIBLTDL_CONVENIENCE[(dir)] - sets LIBLTDL to the link flags for
- # the libltdl convenience library and INCLTDL to the include flags for
- # the libltdl header and adds --enable-ltdl-convenience to the
- # configure arguments. Note that LIBLTDL and INCLTDL are not
- # AC_SUBSTed, nor is AC_CONFIG_SUBDIRS called. If DIR is not
- # provided, it is assumed to be `libltdl'. LIBLTDL will be prefixed
- # with '${top_builddir}/' and INCLTDL will be prefixed with
- # '${top_srcdir}/' (note the single quotes!). If your package is not
- # flat and you're not using automake, define top_builddir and
- # top_srcdir appropriately in the Makefiles.
- AC_DEFUN(AC_LIBLTDL_CONVENIENCE, [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl
- case "$enable_ltdl_convenience" in
- no) AC_MSG_ERROR([this package needs a convenience libltdl]) ;;
- "") enable_ltdl_convenience=yes
- ac_configure_args="$ac_configure_args --enable-ltdl-convenience" ;;
- esac
- LIBLTDL='${top_builddir}/'ifelse($#,1,[$1],['libltdl'])/libltdlc.la
- INCLTDL='-I${top_srcdir}/'ifelse($#,1,[$1],['libltdl'])
- ])
-
- # AC_LIBLTDL_INSTALLABLE[(dir)] - sets LIBLTDL to the link flags for
- # the libltdl installable library and INCLTDL to the include flags for
- # the libltdl header and adds --enable-ltdl-install to the configure
- # arguments. Note that LIBLTDL and INCLTDL are not AC_SUBSTed, nor is
- # AC_CONFIG_SUBDIRS called. If DIR is not provided and an installed
- # libltdl is not found, it is assumed to be `libltdl'. LIBLTDL will
- # be prefixed with '${top_builddir}/' and INCLTDL will be prefixed
- # with '${top_srcdir}/' (note the single quotes!). If your package is
- # not flat and you're not using automake, define top_builddir and
- # top_srcdir appropriately in the Makefiles.
- # In the future, this macro may have to be called after AC_PROG_LIBTOOL.
- AC_DEFUN(AC_LIBLTDL_INSTALLABLE, [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl
- AC_CHECK_LIB(ltdl, main,
- [test x"$enable_ltdl_install" != xyes && enable_ltdl_install=no],
- [if test x"$enable_ltdl_install" = xno; then
- AC_MSG_WARN([libltdl not installed, but installation disabled])
- else
- enable_ltdl_install=yes
- fi
- ])
- if test x"$enable_ltdl_install" = x"yes"; then
- ac_configure_args="$ac_configure_args --enable-ltdl-install"
- LIBLTDL='${top_builddir}/'ifelse($#,1,[$1],['libltdl'])/libltdl.la
- INCLTDL='-I${top_srcdir}/'ifelse($#,1,[$1],['libltdl'])
- else
- ac_configure_args="$ac_configure_args --enable-ltdl-install=no"
- LIBLTDL="-lltdl"
- INCLTDL=
- fi
- ])
-
- dnl old names
- AC_DEFUN(AM_PROG_LIBTOOL, [indir([AC_PROG_LIBTOOL])])dnl
- AC_DEFUN(AM_ENABLE_SHARED, [indir([AC_ENABLE_SHARED], $@)])dnl
- AC_DEFUN(AM_ENABLE_STATIC, [indir([AC_ENABLE_STATIC], $@)])dnl
- AC_DEFUN(AM_DISABLE_SHARED, [indir([AC_DISABLE_SHARED], $@)])dnl
- AC_DEFUN(AM_DISABLE_STATIC, [indir([AC_DISABLE_STATIC], $@)])dnl
- AC_DEFUN(AM_PROG_LD, [indir([AC_PROG_LD])])dnl
- AC_DEFUN(AM_PROG_NM, [indir([AC_PROG_NM])])dnl
-
- dnl This is just to silence aclocal about the macro not being used
- ifelse([AC_DISABLE_FAST_INSTALL])dnl
-