2 dnl AC_VALIDATE_CACHE_SYSTEM_TYPE[(cmd)]
3 dnl if the cache file is inconsistent with the current host,
4 dnl target and build system types, execute CMD or print a default
6 AC_DEFUN(AC_VALIDATE_CACHE_SYSTEM_TYPE, [
7 AC_REQUIRE([AC_CANONICAL_SYSTEM])
8 AC_MSG_CHECKING([config.cache system type])
9 if { test x"${ac_cv_host_system_type+set}" = x"set" &&
10 test x"$ac_cv_host_system_type" != x"$host"; } ||
11 { test x"${ac_cv_build_system_type+set}" = x"set" &&
12 test x"$ac_cv_build_system_type" != x"$build"; } ||
13 { test x"${ac_cv_target_system_type+set}" = x"set" &&
14 test x"$ac_cv_target_system_type" != x"$target"; }; then
15 AC_MSG_RESULT([different])
17 [AC_MSG_ERROR(["you must remove config.cache and restart configure"])])
21 ac_cv_host_system_type="$host"
22 ac_cv_build_system_type="$build"
23 ac_cv_target_system_type="$target"
26 ## libtool.m4 - Configure libtool for the target system. -*-Shell-script-*-
27 ## Copyright (C) 1996-1999 Free Software Foundation, Inc.
28 ## Originally by Gordon Matzigkeit <gord@gnu.ai.mit.edu>, 1996
30 ## This program is free software; you can redistribute it and/or modify
31 ## it under the terms of the GNU General Public License as published by
32 ## the Free Software Foundation; either version 2 of the License, or
33 ## (at your option) any later version.
35 ## This program is distributed in the hope that it will be useful, but
36 ## WITHOUT ANY WARRANTY; without even the implied warranty of
37 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
38 ## General Public License for more details.
40 ## You should have received a copy of the GNU General Public License
41 ## along with this program; if not, write to the Free Software
42 ## Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
44 ## As a special exception to the GNU General Public License, if you
45 ## distribute this file as part of a program that contains a
46 ## configuration script generated by Autoconf, you may include it under
47 ## the same distribution terms that you use for the rest of that program.
49 # serial 40 AC_PROG_LIBTOOL
50 AC_DEFUN(AC_PROG_LIBTOOL,
51 [AC_REQUIRE([AC_LIBTOOL_SETUP])dnl
53 # Save cache, so that ltconfig can load it
56 # Actually configure libtool. ac_aux_dir is where install-sh is found.
57 CC="$CC" CFLAGS="$CFLAGS" CPPFLAGS="$CPPFLAGS" \
58 LD="$LD" LDFLAGS="$LDFLAGS" LIBS="$LIBS" \
59 LN_S="$LN_S" NM="$NM" RANLIB="$RANLIB" \
60 DLLTOOL="$DLLTOOL" AS="$AS" OBJDUMP="$OBJDUMP" \
61 ${CONFIG_SHELL-/bin/sh} $ac_aux_dir/ltconfig --no-reexec \
62 $libtool_flags --no-verify $ac_aux_dir/ltmain.sh $lt_target \
63 || AC_MSG_ERROR([libtool configure failed])
65 # Reload cache, that may have been modified by ltconfig
68 # This can be used to rebuild libtool when needed
69 LIBTOOL_DEPS="$ac_aux_dir/ltconfig $ac_aux_dir/ltmain.sh"
71 # Always use our own libtool.
72 LIBTOOL='$(SHELL) $(top_builddir)/libtool'
75 # Redirect the config.log output again, so that the ltconfig log is not
76 # clobbered by the next message.
80 AC_DEFUN(AC_LIBTOOL_SETUP,
82 AC_REQUIRE([AC_ENABLE_SHARED])dnl
83 AC_REQUIRE([AC_ENABLE_STATIC])dnl
84 AC_REQUIRE([AC_ENABLE_FAST_INSTALL])dnl
85 AC_REQUIRE([AC_CANONICAL_HOST])dnl
86 AC_REQUIRE([AC_CANONICAL_BUILD])dnl
87 AC_REQUIRE([AC_PROG_RANLIB])dnl
88 AC_REQUIRE([AC_PROG_CC])dnl
89 AC_REQUIRE([AC_PROG_LD])dnl
90 AC_REQUIRE([AC_PROG_NM])dnl
91 AC_REQUIRE([AC_PROG_LN_S])dnl
95 NONE) lt_target="$host" ;;
96 *) lt_target="$target" ;;
99 # Check for any special flags to pass to ltconfig.
100 libtool_flags="--cache-file=$cache_file"
101 test "$enable_shared" = no && libtool_flags="$libtool_flags --disable-shared"
102 test "$enable_static" = no && libtool_flags="$libtool_flags --disable-static"
103 test "$enable_fast_install" = no && libtool_flags="$libtool_flags --disable-fast-install"
104 test "$ac_cv_prog_gcc" = yes && libtool_flags="$libtool_flags --with-gcc"
105 test "$ac_cv_prog_gnu_ld" = yes && libtool_flags="$libtool_flags --with-gnu-ld"
106 ifdef([AC_PROVIDE_AC_LIBTOOL_DLOPEN],
107 [libtool_flags="$libtool_flags --enable-dlopen"])
108 ifdef([AC_PROVIDE_AC_LIBTOOL_WIN32_DLL],
109 [libtool_flags="$libtool_flags --enable-win32-dll"])
110 AC_ARG_ENABLE(libtool-lock,
111 [ --disable-libtool-lock avoid locking (might break parallel builds)])
112 test "x$enable_libtool_lock" = xno && libtool_flags="$libtool_flags --disable-lock"
113 test x"$silent" = xyes && libtool_flags="$libtool_flags --silent"
115 # Some flags need to be propagated to the compiler or linker for good
119 # Find out which ABI we are using.
120 echo '[#]line __oline__ "configure"' > conftest.$ac_ext
121 if AC_TRY_EVAL(ac_compile); then
122 case "`/usr/bin/file conftest.o`" in
138 # On SCO OpenServer 5, we need -belf to get full-featured binaries.
139 SAVE_CFLAGS="$CFLAGS"
140 CFLAGS="$CFLAGS -belf"
141 AC_CACHE_CHECK([whether the C compiler needs -belf], lt_cv_cc_needs_belf,
142 [AC_TRY_LINK([],[],[lt_cv_cc_needs_belf=yes],[lt_cv_cc_needs_belf=no])])
143 if test x"$lt_cv_cc_needs_belf" != x"yes"; then
144 # this is probably gcc 2.8.0, egcs 1.0 or newer; no need for -belf
145 CFLAGS="$SAVE_CFLAGS"
149 ifdef([AC_PROVIDE_AC_LIBTOOL_WIN32_DLL],
150 [*-*-cygwin* | *-*-mingw*)
151 AC_CHECK_TOOL(DLLTOOL, dlltool, false)
152 AC_CHECK_TOOL(AS, as, false)
153 AC_CHECK_TOOL(OBJDUMP, objdump, false)
159 # AC_LIBTOOL_DLOPEN - enable checks for dlopen support
160 AC_DEFUN(AC_LIBTOOL_DLOPEN, [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])])
162 # AC_LIBTOOL_WIN32_DLL - declare package support for building win32 dll's
163 AC_DEFUN(AC_LIBTOOL_WIN32_DLL, [AC_BEFORE([$0], [AC_LIBTOOL_SETUP])])
165 # AC_ENABLE_SHARED - implement the --enable-shared flag
166 # Usage: AC_ENABLE_SHARED[(DEFAULT)]
167 # Where DEFAULT is either `yes' or `no'. If omitted, it defaults to
169 AC_DEFUN(AC_ENABLE_SHARED, [dnl
170 define([AC_ENABLE_SHARED_DEFAULT], ifelse($1, no, no, yes))dnl
171 AC_ARG_ENABLE(shared,
172 changequote(<<, >>)dnl
173 << --enable-shared[=PKGS] build shared libraries [default=>>AC_ENABLE_SHARED_DEFAULT],
175 [p=${PACKAGE-default}
177 yes) enable_shared=yes ;;
178 no) enable_shared=no ;;
181 # Look at the argument we got. We use all the common list separators.
182 IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:,"
183 for pkg in $enableval; do
184 if test "X$pkg" = "X$p"; then
191 enable_shared=AC_ENABLE_SHARED_DEFAULT)dnl
194 # AC_DISABLE_SHARED - set the default shared flag to --disable-shared
195 AC_DEFUN(AC_DISABLE_SHARED, [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl
196 AC_ENABLE_SHARED(no)])
198 # AC_ENABLE_STATIC - implement the --enable-static flag
199 # Usage: AC_ENABLE_STATIC[(DEFAULT)]
200 # Where DEFAULT is either `yes' or `no'. If omitted, it defaults to
202 AC_DEFUN(AC_ENABLE_STATIC, [dnl
203 define([AC_ENABLE_STATIC_DEFAULT], ifelse($1, no, no, yes))dnl
204 AC_ARG_ENABLE(static,
205 changequote(<<, >>)dnl
206 << --enable-static[=PKGS] build static libraries [default=>>AC_ENABLE_STATIC_DEFAULT],
208 [p=${PACKAGE-default}
210 yes) enable_static=yes ;;
211 no) enable_static=no ;;
214 # Look at the argument we got. We use all the common list separators.
215 IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:,"
216 for pkg in $enableval; do
217 if test "X$pkg" = "X$p"; then
224 enable_static=AC_ENABLE_STATIC_DEFAULT)dnl
227 # AC_DISABLE_STATIC - set the default static flag to --disable-static
228 AC_DEFUN(AC_DISABLE_STATIC, [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl
229 AC_ENABLE_STATIC(no)])
232 # AC_ENABLE_FAST_INSTALL - implement the --enable-fast-install flag
233 # Usage: AC_ENABLE_FAST_INSTALL[(DEFAULT)]
234 # Where DEFAULT is either `yes' or `no'. If omitted, it defaults to
236 AC_DEFUN(AC_ENABLE_FAST_INSTALL, [dnl
237 define([AC_ENABLE_FAST_INSTALL_DEFAULT], ifelse($1, no, no, yes))dnl
238 AC_ARG_ENABLE(fast-install,
239 changequote(<<, >>)dnl
240 << --enable-fast-install[=PKGS] optimize for fast installation [default=>>AC_ENABLE_FAST_INSTALL_DEFAULT],
242 [p=${PACKAGE-default}
244 yes) enable_fast_install=yes ;;
245 no) enable_fast_install=no ;;
247 enable_fast_install=no
248 # Look at the argument we got. We use all the common list separators.
249 IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:,"
250 for pkg in $enableval; do
251 if test "X$pkg" = "X$p"; then
252 enable_fast_install=yes
258 enable_fast_install=AC_ENABLE_FAST_INSTALL_DEFAULT)dnl
261 # AC_ENABLE_FAST_INSTALL - set the default to --disable-fast-install
262 AC_DEFUN(AC_DISABLE_FAST_INSTALL, [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl
263 AC_ENABLE_FAST_INSTALL(no)])
265 # AC_PROG_LD - find the path to the GNU or non-GNU linker
268 [ --with-gnu-ld assume the C compiler uses GNU ld [default=no]],
269 test "$withval" = no || with_gnu_ld=yes, with_gnu_ld=no)
270 AC_REQUIRE([AC_PROG_CC])dnl
271 AC_REQUIRE([AC_CANONICAL_HOST])dnl
272 AC_REQUIRE([AC_CANONICAL_BUILD])dnl
274 if test "$ac_cv_prog_gcc" = yes; then
275 # Check if gcc -print-prog-name=ld gives a path.
276 AC_MSG_CHECKING([for ld used by GCC])
277 ac_prog=`($CC -print-prog-name=ld) 2>&5`
279 # Accept absolute paths.
281 [\\/]* | [A-Za-z]:[\\/]*)
282 re_direlt='/[^/][^/]*/\.\./'
284 # Canonicalize the path of ld
285 ac_prog=`echo $ac_prog| sed 's%\\\\%/%g'`
286 while echo $ac_prog | grep "$re_direlt" > /dev/null 2>&1; do
287 ac_prog=`echo $ac_prog| sed "s%$re_direlt%/%"`
289 test -z "$LD" && LD="$ac_prog"
292 # If it fails, then pretend we aren't using GCC.
296 # If it is relative, then search for the first ld in PATH.
300 elif test "$with_gnu_ld" = yes; then
301 AC_MSG_CHECKING([for GNU ld])
303 AC_MSG_CHECKING([for non-GNU ld])
305 AC_CACHE_VAL(ac_cv_path_LD,
306 [if test -z "$LD"; then
307 IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}${PATH_SEPARATOR-:}"
308 for ac_dir in $PATH; do
309 test -z "$ac_dir" && ac_dir=.
310 if test -f "$ac_dir/$ac_prog" || test -f "$ac_dir/$ac_prog$ac_exeext"; then
311 ac_cv_path_LD="$ac_dir/$ac_prog"
312 # Check to see if the program is GNU ld. I'd rather use --version,
313 # but apparently some GNU ld's only accept -v.
314 # Break only if it was the GNU/non-GNU ld that we prefer.
315 if "$ac_cv_path_LD" -v 2>&1 < /dev/null | egrep '(GNU|with BFD)' > /dev/null; then
316 test "$with_gnu_ld" != no && break
318 test "$with_gnu_ld" != yes && break
324 ac_cv_path_LD="$LD" # Let the user override the test with a path.
327 if test -n "$LD"; then
332 test -z "$LD" && AC_MSG_ERROR([no acceptable ld found in \$PATH])
336 AC_DEFUN(AC_PROG_LD_GNU,
337 [AC_CACHE_CHECK([if the linker ($LD) is GNU ld], ac_cv_prog_gnu_ld,
338 [# I'd rather use --version here, but apparently some GNU ld's only accept -v.
339 if $LD -v 2>&1 </dev/null | egrep '(GNU|with BFD)' 1>&5; then
340 ac_cv_prog_gnu_ld=yes
346 # AC_PROG_NM - find the path to a BSD-compatible name lister
348 [AC_MSG_CHECKING([for BSD-compatible nm])
349 AC_CACHE_VAL(ac_cv_path_NM,
350 [if test -n "$NM"; then
351 # Let the user override the test.
354 IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}${PATH_SEPARATOR-:}"
355 for ac_dir in $PATH /usr/ccs/bin /usr/ucb /bin; do
356 test -z "$ac_dir" && ac_dir=.
357 if test -f $ac_dir/nm || test -f $ac_dir/nm$ac_exeext ; then
358 # Check to see if the nm accepts a BSD-compat flag.
359 # Adding the `sed 1q' prevents false positives on HP-UX, which says:
360 # nm: unknown option "B" ignored
361 if ($ac_dir/nm -B /dev/null 2>&1 | sed '1q'; exit 0) | egrep /dev/null >/dev/null; then
362 ac_cv_path_NM="$ac_dir/nm -B"
364 elif ($ac_dir/nm -p /dev/null 2>&1 | sed '1q'; exit 0) | egrep /dev/null >/dev/null; then
365 ac_cv_path_NM="$ac_dir/nm -p"
368 ac_cv_path_NM=${ac_cv_path_NM="$ac_dir/nm"} # keep the first match, but
369 continue # so that we can try to find one that supports BSD flags
374 test -z "$ac_cv_path_NM" && ac_cv_path_NM=nm
380 # AC_CHECK_LIBM - check for math library
381 AC_DEFUN(AC_CHECK_LIBM,
382 [AC_REQUIRE([AC_CANONICAL_HOST])dnl
385 *-*-beos* | *-*-cygwin*)
386 # These system don't have libm
389 AC_CHECK_LIB(mw, _mwvalidcheckl, LIBM="-lmw")
390 AC_CHECK_LIB(m, main, LIBM="$LIBM -lm")
393 AC_CHECK_LIB(m, main, LIBM="-lm")
398 # AC_LIBLTDL_CONVENIENCE[(dir)] - sets LIBLTDL to the link flags for
399 # the libltdl convenience library, adds --enable-ltdl-convenience to
400 # the configure arguments. Note that LIBLTDL is not AC_SUBSTed, nor
401 # is AC_CONFIG_SUBDIRS called. If DIR is not provided, it is assumed
402 # to be `${top_builddir}/libltdl'. Make sure you start DIR with
403 # '${top_builddir}/' (note the single quotes!) if your package is not
404 # flat, and, if you're not using automake, define top_builddir as
405 # appropriate in the Makefiles.
406 AC_DEFUN(AC_LIBLTDL_CONVENIENCE, [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl
407 case "$enable_ltdl_convenience" in
408 no) AC_MSG_ERROR([this package needs a convenience libltdl]) ;;
409 "") enable_ltdl_convenience=yes
410 ac_configure_args="$ac_configure_args --enable-ltdl-convenience" ;;
412 LIBLTDL=ifelse($#,1,$1,['${top_builddir}/libltdl'])/libltdlc.la
413 INCLTDL=ifelse($#,1,-I$1,['-I${top_builddir}/libltdl'])
416 # AC_LIBLTDL_INSTALLABLE[(dir)] - sets LIBLTDL to the link flags for
417 # the libltdl installable library, and adds --enable-ltdl-install to
418 # the configure arguments. Note that LIBLTDL is not AC_SUBSTed, nor
419 # is AC_CONFIG_SUBDIRS called. If DIR is not provided, it is assumed
420 # to be `${top_builddir}/libltdl'. Make sure you start DIR with
421 # '${top_builddir}/' (note the single quotes!) if your package is not
422 # flat, and, if you're not using automake, define top_builddir as
423 # appropriate in the Makefiles.
424 # In the future, this macro may have to be called after AC_PROG_LIBTOOL.
425 AC_DEFUN(AC_LIBLTDL_INSTALLABLE, [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl
426 AC_CHECK_LIB(ltdl, main,
427 [test x"$enable_ltdl_install" != xyes && enable_ltdl_install=no],
428 [if test x"$enable_ltdl_install" = xno; then
429 AC_MSG_WARN([libltdl not installed, but installation disabled])
431 enable_ltdl_install=yes
434 if test x"$enable_ltdl_install" = x"yes"; then
435 ac_configure_args="$ac_configure_args --enable-ltdl-install"
436 LIBLTDL=ifelse($#,1,$1,['${top_builddir}/libltdl'])/libltdl.la
437 INCLTDL=ifelse($#,1,-I$1,['-I${top_builddir}/libltdl'])
439 ac_configure_args="$ac_configure_args --enable-ltdl-install=no"
446 AC_DEFUN(AM_PROG_LIBTOOL, [indir([AC_PROG_LIBTOOL])])dnl
447 AC_DEFUN(AM_ENABLE_SHARED, [indir([AC_ENABLE_SHARED], $@)])dnl
448 AC_DEFUN(AM_ENABLE_STATIC, [indir([AC_ENABLE_STATIC], $@)])dnl
449 AC_DEFUN(AM_DISABLE_SHARED, [indir([AC_DISABLE_SHARED], $@)])dnl
450 AC_DEFUN(AM_DISABLE_STATIC, [indir([AC_DISABLE_STATIC], $@)])dnl
451 AC_DEFUN(AM_PROG_LD, [indir([AC_PROG_LD])])dnl
452 AC_DEFUN(AM_PROG_NM, [indir([AC_PROG_NM])])dnl
454 dnl This is just to silence aclocal about the macro not being used
455 ifelse([AC_DISABLE_FAST_INSTALL])dnl