1 dnl aclocal.m4 generated automatically by aclocal 1.4
3 dnl Copyright (C) 1994, 1995-8, 1999 Free Software Foundation, Inc.
4 dnl This file is free software; the Free Software Foundation
5 dnl gives unlimited permission to copy and/or distribute it,
6 dnl with or without modifications, as long as this notice is preserved.
8 dnl This program is distributed in the hope that it will be useful,
9 dnl but WITHOUT ANY WARRANTY, to the extent permitted by law; without
10 dnl even the implied warranty of MERCHANTABILITY or FITNESS FOR A
11 dnl PARTICULAR PURPOSE.
13 # FIXME: We temporarily define our own version of AC_PROG_CC. This is
14 # copied from autoconf 2.12, but does not call AC_PROG_CC_WORKS. We
15 # are probably using a cross compiler, which will not be able to fully
16 # link an executable. This should really be fixed in autoconf
19 AC_DEFUN(BOEHM_CONFIGURE,
21 dnl Default to --enable-multilib
22 AC_ARG_ENABLE(multilib,
23 [ --enable-multilib build many library versions (default)],
24 [case "${enableval}" in
27 *) AC_MSG_ERROR(bad value ${enableval} for multilib option) ;;
28 esac], [multilib=yes])dnl
30 dnl We may get other options which we don't document:
31 dnl --with-target-subdir, --with-multisrctop, --with-multisubdir
33 if test "[$]{srcdir}" = "."; then
34 if test "[$]{with_target_subdir}" != "."; then
35 boehm_gc_basedir="[$]{srcdir}/[$]{with_multisrctop}../$1"
37 boehm_gc_basedir="[$]{srcdir}/[$]{with_multisrctop}$1"
40 boehm_gc_basedir="[$]{srcdir}/$1"
42 AC_SUBST(boehm_gc_basedir)
46 AM_INIT_AUTOMAKE(boehm-gc, 4.13a2, no-define)
48 # FIXME: We temporarily define our own version of AC_PROG_CC. This is
49 # copied from autoconf 2.12, but does not call AC_PROG_CC_WORKS. We
50 # are probably using a cross compiler, which will not be able to fully
51 # link an executable. This should really be fixed in autoconf
54 AC_DEFUN(LIB_AC_PROG_CC,
55 [AC_BEFORE([$0], [AC_PROG_CPP])dnl
56 AC_CHECK_PROG(CC, gcc, gcc)
57 if test -z "$CC"; then
58 AC_CHECK_PROG(CC, cc, cc, , , /usr/ucb/cc)
59 test -z "$CC" && AC_MSG_ERROR([no acceptable cc found in \$PATH])
64 if test $ac_cv_prog_gcc = yes; then
66 dnl Check whether -g works, even if CFLAGS is set, in case the package
67 dnl plays around with CFLAGS (such as to build both debugging and
68 dnl normal versions of a library), tasteless as that idea is.
69 ac_test_CFLAGS="${CFLAGS+set}"
70 ac_save_CFLAGS="$CFLAGS"
73 if test "$ac_test_CFLAGS" = set; then
74 CFLAGS="$ac_save_CFLAGS"
75 elif test $ac_cv_prog_cc_g = yes; then
82 test "${CFLAGS+set}" = set || CFLAGS="-g"
88 # Likewise for AC_PROG_CXX.
89 AC_DEFUN(LIB_AC_PROG_CXX,
90 [AC_BEFORE([$0], [AC_PROG_CXXCPP])dnl
91 AC_CHECK_PROGS(CXX, $CCC c++ g++ gcc CC cxx cc++, gcc)
92 test -z "$CXX" && AC_MSG_ERROR([no acceptable c++ found in \$PATH])
96 if test $ac_cv_prog_gxx = yes; then
98 dnl Check whether -g works, even if CXXFLAGS is set, in case the package
99 dnl plays around with CXXFLAGS (such as to build both debugging and
100 dnl normal versions of a library), tasteless as that idea is.
101 ac_test_CXXFLAGS="${CXXFLAGS+set}"
102 ac_save_CXXFLAGS="$CXXFLAGS"
105 if test "$ac_test_CXXFLAGS" = set; then
106 CXXFLAGS="$ac_save_CXXFLAGS"
107 elif test $ac_cv_prog_cxx_g = yes; then
114 test "${CXXFLAGS+set}" = set || CXXFLAGS="-g"
120 # AC_CHECK_TOOL does AC_REQUIRE (AC_CANONICAL_BUILD). If we don't
121 # run it explicitly here, it will be run implicitly before
122 # NEWLIB_CONFIGURE, which doesn't work because that means that it will
123 # be run before AC_CANONICAL_HOST.
126 AC_CHECK_TOOL(AS, as)
127 AC_CHECK_TOOL(AR, ar)
128 AC_CHECK_TOOL(RANLIB, ranlib, :)
134 # We need AC_EXEEXT to keep automake happy in cygnus mode. However,
135 # at least currently, we never actually build a program, so we never
136 # need to use $(EXEEXT). Moreover, the test for EXEEXT normally
137 # fails, because we are probably configuring with a cross compiler
138 # which can't create executables. So we include AC_EXEEXT to keep
139 # automake happy, but we don't execute it, since we don't care about
145 . [$]{boehm_gc_basedir}/configure.host
147 case [$]{boehm_gc_basedir} in
148 /* | [A-Za-z]:[/\\]*) boehm_gc_flagbasedir=[$]{boehm_gc_basedir} ;;
149 *) boehm_gc_flagbasedir='[$](top_builddir)/'[$]{boehm_gc_basedir} ;;
152 boehm_gc_cflags="[$]{boehm_gc_cflags} -I"'[$](top_builddir)'"/$1/targ-include -I[$]{boehm_gc_flagbasedir}/libc/include"
155 boehm_gc_cflags="[$]{boehm_gc_cflags} -I[$]{boehm_gc_flagbasedir}/../winsup/include"
159 boehm_gc_cflags="[$]{boehm_gc_cflags} -fno-builtin"
161 BOEHM_GC_CFLAGS=${boehm_gc_cflags}
162 AC_SUBST(BOEHM_GC_CFLAGS)
167 # Do all the work for Automake. This macro actually does too much --
168 # some checks are only needed if your package does certain things.
169 # But this isn't really a big deal.
174 dnl AM_INIT_AUTOMAKE(package,version, [no-define])
176 AC_DEFUN(AM_INIT_AUTOMAKE,
177 [AC_REQUIRE([AC_PROG_INSTALL])
182 dnl test to see if srcdir already configured
183 if test "`cd $srcdir && pwd`" != "`pwd`" && test -f $srcdir/config.status; then
184 AC_MSG_ERROR([source directory already configured; run "make distclean" there first])
187 AC_DEFINE_UNQUOTED(PACKAGE, "$PACKAGE", [Name of package])
188 AC_DEFINE_UNQUOTED(VERSION, "$VERSION", [Version number of package]))
189 AC_REQUIRE([AM_SANITY_CHECK])
190 AC_REQUIRE([AC_ARG_PROGRAM])
191 dnl FIXME This is truly gross.
192 missing_dir=`cd $ac_aux_dir && pwd`
193 AM_MISSING_PROG(ACLOCAL, aclocal, $missing_dir)
194 AM_MISSING_PROG(AUTOCONF, autoconf, $missing_dir)
195 AM_MISSING_PROG(AUTOMAKE, automake, $missing_dir)
196 AM_MISSING_PROG(AUTOHEADER, autoheader, $missing_dir)
197 AM_MISSING_PROG(MAKEINFO, makeinfo, $missing_dir)
198 AC_REQUIRE([AC_PROG_MAKE_SET])])
201 # Check to make sure that the build environment is sane.
204 AC_DEFUN(AM_SANITY_CHECK,
205 [AC_MSG_CHECKING([whether build environment is sane])
208 echo timestamp > conftestfile
209 # Do `set' in a subshell so we don't clobber the current shell's
210 # arguments. Must try -L first in case configure is actually a
211 # symlink; some systems play weird games with the mod time of symlinks
212 # (eg FreeBSD returns the mod time of the symlink's containing
215 set X `ls -Lt $srcdir/configure conftestfile 2> /dev/null`
216 if test "[$]*" = "X"; then
218 set X `ls -t $srcdir/configure conftestfile`
220 if test "[$]*" != "X $srcdir/configure conftestfile" \
221 && test "[$]*" != "X conftestfile $srcdir/configure"; then
223 # If neither matched, then we have a broken ls. This can happen
224 # if, for instance, CONFIG_SHELL is bash and it inherits a
225 # broken ls alias from the environment. This has actually
226 # happened. Such a system could not be considered "sane".
227 AC_MSG_ERROR([ls -t appears to fail. Make sure there is not a broken
228 alias in your environment])
231 test "[$]2" = conftestfile
237 AC_MSG_ERROR([newly created file is older than distributed files!
238 Check your system clock])
243 dnl AM_MISSING_PROG(NAME, PROGRAM, DIRECTORY)
244 dnl The program must properly implement --version.
245 AC_DEFUN(AM_MISSING_PROG,
246 [AC_MSG_CHECKING(for working $2)
247 # Run test in a subshell; some versions of sh will print an error if
248 # an executable is not found, even if stderr is redirected.
249 # Redirect stdin to placate older versions of autoconf. Sigh.
250 if ($2 --version) < /dev/null > /dev/null 2>&1; then
255 AC_MSG_RESULT(missing)
259 # Add --enable-maintainer-mode option to configure.
264 AC_DEFUN(AM_MAINTAINER_MODE,
265 [AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
266 dnl maintainer-mode is disabled by default
267 AC_ARG_ENABLE(maintainer-mode,
268 [ --enable-maintainer-mode enable make rules and dependencies not useful
269 (and sometimes confusing) to the casual installer],
270 USE_MAINTAINER_MODE=$enableval,
271 USE_MAINTAINER_MODE=no)
272 AC_MSG_RESULT($USE_MAINTAINER_MODE)
273 AM_CONDITIONAL(MAINTAINER_MODE, test $USE_MAINTAINER_MODE = yes)
274 MAINT=$MAINTAINER_MODE_TRUE
279 # Define a conditional.
281 AC_DEFUN(AM_CONDITIONAL,
293 # serial 25 AM_PROG_LIBTOOL
294 AC_DEFUN(AM_PROG_LIBTOOL,
295 [AC_REQUIRE([AM_ENABLE_SHARED])dnl
296 AC_REQUIRE([AM_ENABLE_STATIC])dnl
297 AC_REQUIRE([AC_CANONICAL_HOST])dnl
298 AC_REQUIRE([AC_CANONICAL_BUILD])dnl
299 AC_REQUIRE([AC_PROG_RANLIB])dnl
300 AC_REQUIRE([AC_PROG_CC])dnl
301 AC_REQUIRE([AM_PROG_LD])dnl
302 AC_REQUIRE([AM_PROG_NM])dnl
303 AC_REQUIRE([AC_PROG_LN_S])dnl
305 # Always use our own libtool.
306 LIBTOOL='$(SHELL) $(top_builddir)/libtool'
309 # Check for any special flags to pass to ltconfig.
311 test "$enable_shared" = no && libtool_flags="$libtool_flags --disable-shared"
312 test "$enable_static" = no && libtool_flags="$libtool_flags --disable-static"
313 test "$silent" = yes && libtool_flags="$libtool_flags --silent"
314 test "$ac_cv_prog_gcc" = yes && libtool_flags="$libtool_flags --with-gcc"
315 test "$ac_cv_prog_gnu_ld" = yes && libtool_flags="$libtool_flags --with-gnu-ld"
317 # Some flags need to be propagated to the compiler or linker for good
321 # Find out which ABI we are using.
322 echo '[#]line __oline__ "configure"' > conftest.$ac_ext
323 if AC_TRY_EVAL(ac_compile); then
324 case "`/usr/bin/file conftest.o`" in
340 # On SCO OpenServer 5, we need -belf to get full-featured binaries.
341 CFLAGS="$CFLAGS -belf"
345 AM_SYS_LIBTOOL_CYGWIN32
350 # Actually configure libtool. ac_aux_dir is where install-sh is found.
351 CC="$CC" CFLAGS="$CFLAGS" CPPFLAGS="$CPPFLAGS" \
352 LD="$LD" NM="$NM" RANLIB="$RANLIB" LN_S="$LN_S" \
353 DLLTOOL="$DLLTOOL" AS="$AS" \
354 ${CONFIG_SHELL-/bin/sh} $ac_aux_dir/ltconfig --no-reexec \
355 $libtool_flags --no-verify $ac_aux_dir/ltmain.sh $host \
356 || AC_MSG_ERROR([libtool configure failed])
358 # Redirect the config.log output again, so that the ltconfig log is not
359 # clobbered by the next message.
363 # AM_ENABLE_SHARED - implement the --enable-shared flag
364 # Usage: AM_ENABLE_SHARED[(DEFAULT)]
365 # Where DEFAULT is either `yes' or `no'. If omitted, it defaults to
367 AC_DEFUN(AM_ENABLE_SHARED,
368 [define([AM_ENABLE_SHARED_DEFAULT], ifelse($1, no, no, yes))dnl
369 AC_ARG_ENABLE(shared,
370 changequote(<<, >>)dnl
371 << --enable-shared[=PKGS] build shared libraries [default=>>AM_ENABLE_SHARED_DEFAULT],
373 [p=${PACKAGE-default}
375 yes) enable_shared=yes ;;
376 no) enable_shared=no ;;
379 # Look at the argument we got. We use all the common list separators.
380 IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:,"
381 for pkg in $enableval; do
382 if test "X$pkg" = "X$p"; then
389 enable_shared=AM_ENABLE_SHARED_DEFAULT)dnl
392 # AM_DISABLE_SHARED - set the default shared flag to --disable-shared
393 AC_DEFUN(AM_DISABLE_SHARED,
394 [AM_ENABLE_SHARED(no)])
396 # AM_DISABLE_STATIC - set the default static flag to --disable-static
397 AC_DEFUN(AM_DISABLE_STATIC,
398 [AM_ENABLE_STATIC(no)])
400 # AM_ENABLE_STATIC - implement the --enable-static flag
401 # Usage: AM_ENABLE_STATIC[(DEFAULT)]
402 # Where DEFAULT is either `yes' or `no'. If omitted, it defaults to
404 AC_DEFUN(AM_ENABLE_STATIC,
405 [define([AM_ENABLE_STATIC_DEFAULT], ifelse($1, no, no, yes))dnl
406 AC_ARG_ENABLE(static,
407 changequote(<<, >>)dnl
408 << --enable-static[=PKGS] build static libraries [default=>>AM_ENABLE_STATIC_DEFAULT],
410 [p=${PACKAGE-default}
412 yes) enable_static=yes ;;
413 no) enable_static=no ;;
416 # Look at the argument we got. We use all the common list separators.
417 IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:,"
418 for pkg in $enableval; do
419 if test "X$pkg" = "X$p"; then
426 enable_static=AM_ENABLE_STATIC_DEFAULT)dnl
430 # AM_PROG_LD - find the path to the GNU or non-GNU linker
433 [ --with-gnu-ld assume the C compiler uses GNU ld [default=no]],
434 test "$withval" = no || with_gnu_ld=yes, with_gnu_ld=no)
435 AC_REQUIRE([AC_PROG_CC])
437 if test "$ac_cv_prog_gcc" = yes; then
438 # Check if gcc -print-prog-name=ld gives a path.
439 AC_MSG_CHECKING([for ld used by GCC])
440 ac_prog=`($CC -print-prog-name=ld) 2>&5`
442 # Accept absolute paths.
446 test -z "$LD" && LD="$ac_prog"
449 # If it fails, then pretend we aren't using GCC.
453 # If it is relative, then search for the first ld in PATH.
457 elif test "$with_gnu_ld" = yes; then
458 AC_MSG_CHECKING([for GNU ld])
460 AC_MSG_CHECKING([for non-GNU ld])
462 AC_CACHE_VAL(ac_cv_path_LD,
463 [if test -z "$LD"; then
464 IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:"
465 for ac_dir in $PATH; do
466 test -z "$ac_dir" && ac_dir=.
467 if test -f "$ac_dir/$ac_prog"; then
468 ac_cv_path_LD="$ac_dir/$ac_prog"
469 # Check to see if the program is GNU ld. I'd rather use --version,
470 # but apparently some GNU ld's only accept -v.
471 # Break only if it was the GNU/non-GNU ld that we prefer.
472 if "$ac_cv_path_LD" -v 2>&1 < /dev/null | egrep '(GNU|with BFD)' > /dev/null; then
473 test "$with_gnu_ld" != no && break
475 test "$with_gnu_ld" != yes && break
481 ac_cv_path_LD="$LD" # Let the user override the test with a path.
484 if test -n "$LD"; then
489 test -z "$LD" && AC_MSG_ERROR([no acceptable ld found in \$PATH])
494 AC_DEFUN(AM_PROG_LD_GNU,
495 [AC_CACHE_CHECK([if the linker ($LD) is GNU ld], ac_cv_prog_gnu_ld,
496 [# I'd rather use --version here, but apparently some GNU ld's only accept -v.
497 if $LD -v 2>&1 </dev/null | egrep '(GNU|with BFD)' 1>&5; then
498 ac_cv_prog_gnu_ld=yes
504 # AM_PROG_NM - find the path to a BSD-compatible name lister
506 [AC_MSG_CHECKING([for BSD-compatible nm])
507 AC_CACHE_VAL(ac_cv_path_NM,
508 [if test -n "$NM"; then
509 # Let the user override the test.
512 IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:"
513 for ac_dir in /usr/ucb /usr/ccs/bin $PATH /bin; do
514 test -z "$ac_dir" && ac_dir=.
515 if test -f $ac_dir/nm; then
516 # Check to see if the nm accepts a BSD-compat flag.
517 # Adding the `sed 1q' prevents false positives on HP-UX, which says:
518 # nm: unknown option "B" ignored
519 if ($ac_dir/nm -B /dev/null 2>&1 | sed '1q'; exit 0) | egrep /dev/null >/dev/null; then
520 ac_cv_path_NM="$ac_dir/nm -B"
521 elif ($ac_dir/nm -p /dev/null 2>&1 | sed '1q'; exit 0) | egrep /dev/null >/dev/null; then
522 ac_cv_path_NM="$ac_dir/nm -p"
524 ac_cv_path_NM="$ac_dir/nm"
530 test -z "$ac_cv_path_NM" && ac_cv_path_NM=nm
537 # AM_SYS_LIBTOOL_CYGWIN32 - find tools needed on cygwin32
538 AC_DEFUN(AM_SYS_LIBTOOL_CYGWIN32,
539 [AC_CHECK_TOOL(DLLTOOL, dlltool, false)
540 AC_CHECK_TOOL(AS, as, false)