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 dnl This provides configure definitions used by all the newlib
14 dnl configure.in files.
16 dnl Basic newlib configury. This calls basic introductory stuff,
17 dnl including AM_INIT_AUTOMAKE and AC_CANONICAL_HOST. It also runs
18 dnl configure.host. The only argument is the relative path to the top
21 AC_DEFUN(NEWLIB_CONFIGURE,
23 dnl Default to --enable-multilib
24 AC_ARG_ENABLE(multilib,
25 [ --enable-multilib build many library versions (default)],
26 [case "${enableval}" in
29 *) AC_MSG_ERROR(bad value ${enableval} for multilib option) ;;
30 esac], [multilib=yes])dnl
32 dnl Support --enable-target-optspace
33 AC_ARG_ENABLE(target-optspace,
34 [ --enable-target-optspace optimize for space],
35 [case "${enableval}" in
36 yes) target_optspace=yes ;;
37 no) target_optspace=no ;;
38 *) AC_MSG_ERROR(bad value ${enableval} for target-optspace option) ;;
39 esac], [target_optspace=])dnl
41 dnl Support --enable-malloc-debugging - currently only supported for Cygwin
42 AC_ARG_ENABLE(malloc-debugging,
43 [ --enable-malloc-debugging indicate malloc debugging requested],
44 [case "${enableval}" in
45 yes) malloc_debugging=yes ;;
46 no) malloc_debugging=no ;;
47 *) AC_MSG_ERROR(bad value ${enableval} for malloc-debugging option) ;;
48 esac], [malloc_debugging=])dnl
50 dnl Support --enable-newlib-mb
51 AC_ARG_ENABLE(newlib-mb,
52 [ --enable-newlib-mb enable multibyte support],
53 [case "${enableval}" in
56 *) AC_MSG_ERROR(bad value ${enableval} for newlib-mb option) ;;
57 esac], [newlib_mb=no])dnl
59 dnl Support --enable-newlib-multithread
60 AC_ARG_ENABLE(newlib-multithread,
61 [ --enable-newlib-multithread enable support for multiple threads],
62 [case "${enableval}" in
63 yes) newlib_multithread=yes ;;
64 no) newlib_multithread=no ;;
65 *) AC_MSG_ERROR(bad value ${enableval} for newlib-multithread option) ;;
66 esac], [newlib_multithread=yes])dnl
68 dnl Support --disable-newlib-io-float
69 AC_ARG_ENABLE(newlib-io-float,
70 [ --disable-newlib-io-float disable printf/scanf family float support],
71 [case "${enableval}" in
72 yes) newlib_io_float=yes ;;
73 no) newlib_io_float=no ;;
74 *) AC_MSG_ERROR(bad value ${enableval} for newlib-io-float option) ;;
75 esac], [newlib_io_float=yes])dnl
78 dnl We may get other options which we don't document:
79 dnl --with-target-subdir, --with-multisrctop, --with-multisubdir
81 test -z "[$]{with_target_subdir}" && with_target_subdir=.
83 if test "[$]{srcdir}" = "."; then
84 if test "[$]{with_target_subdir}" != "."; then
85 newlib_basedir="[$]{srcdir}/[$]{with_multisrctop}../$1"
87 newlib_basedir="[$]{srcdir}/[$]{with_multisrctop}$1"
90 newlib_basedir="[$]{srcdir}/$1"
92 AC_SUBST(newlib_basedir)
96 AM_INIT_AUTOMAKE(newlib, 1.10.0)
98 # FIXME: We temporarily define our own version of AC_PROG_CC. This is
99 # copied from autoconf 2.12, but does not call AC_PROG_CC_WORKS. We
100 # are probably using a cross compiler, which will not be able to fully
101 # link an executable. This should really be fixed in autoconf
104 AC_DEFUN(LIB_AC_PROG_CC,
105 [AC_BEFORE([$0], [AC_PROG_CPP])dnl
106 AC_CHECK_PROG(CC, gcc, gcc)
107 if test -z "$CC"; then
108 AC_CHECK_PROG(CC, cc, cc, , , /usr/ucb/cc)
109 test -z "$CC" && AC_MSG_ERROR([no acceptable cc found in \$PATH])
114 if test $ac_cv_prog_gcc = yes; then
116 dnl Check whether -g works, even if CFLAGS is set, in case the package
117 dnl plays around with CFLAGS (such as to build both debugging and
118 dnl normal versions of a library), tasteless as that idea is.
119 ac_test_CFLAGS="${CFLAGS+set}"
120 ac_save_CFLAGS="$CFLAGS"
123 if test "$ac_test_CFLAGS" = set; then
124 CFLAGS="$ac_save_CFLAGS"
125 elif test $ac_cv_prog_cc_g = yes; then
132 test "${CFLAGS+set}" = set || CFLAGS="-g"
138 AC_CHECK_TOOL(AS, as)
139 AC_CHECK_TOOL(AR, ar)
140 AC_CHECK_TOOL(RANLIB, ranlib, :)
146 # We need AC_EXEEXT to keep automake happy in cygnus mode. However,
147 # at least currently, we never actually build a program, so we never
148 # need to use $(EXEEXT). Moreover, the test for EXEEXT normally
149 # fails, because we are probably configuring with a cross compiler
150 # which can't create executables. So we include AC_EXEEXT to keep
151 # automake happy, but we don't execute it, since we don't care about
157 . [$]{newlib_basedir}/configure.host
159 newlib_cflags="[$]{newlib_cflags} -fno-builtin"
161 NEWLIB_CFLAGS=${newlib_cflags}
162 AC_SUBST(NEWLIB_CFLAGS)
167 AM_CONDITIONAL(USE_LIBTOOL, test x[$]{use_libtool} = xyes)
169 # Hard-code OBJEXT. Normally it is set by AC_OBJEXT, but we
170 # use oext, which is set in configure.host based on the target platform.
177 AC_SUBST(libm_machine_dir)
178 AC_SUBST(machine_dir)
182 # Do all the work for Automake. This macro actually does too much --
183 # some checks are only needed if your package does certain things.
184 # But this isn't really a big deal.
189 dnl AM_INIT_AUTOMAKE(package,version, [no-define])
191 AC_DEFUN(AM_INIT_AUTOMAKE,
192 [AC_REQUIRE([AC_PROG_INSTALL])
197 dnl test to see if srcdir already configured
198 if test "`cd $srcdir && pwd`" != "`pwd`" && test -f $srcdir/config.status; then
199 AC_MSG_ERROR([source directory already configured; run "make distclean" there first])
202 AC_DEFINE_UNQUOTED(PACKAGE, "$PACKAGE", [Name of package])
203 AC_DEFINE_UNQUOTED(VERSION, "$VERSION", [Version number of package]))
204 AC_REQUIRE([AM_SANITY_CHECK])
205 AC_REQUIRE([AC_ARG_PROGRAM])
206 dnl FIXME This is truly gross.
207 missing_dir=`cd $ac_aux_dir && pwd`
208 AM_MISSING_PROG(ACLOCAL, aclocal, $missing_dir)
209 AM_MISSING_PROG(AUTOCONF, autoconf, $missing_dir)
210 AM_MISSING_PROG(AUTOMAKE, automake, $missing_dir)
211 AM_MISSING_PROG(AUTOHEADER, autoheader, $missing_dir)
212 AM_MISSING_PROG(MAKEINFO, makeinfo, $missing_dir)
213 AC_REQUIRE([AC_PROG_MAKE_SET])])
216 # Check to make sure that the build environment is sane.
219 AC_DEFUN(AM_SANITY_CHECK,
220 [AC_MSG_CHECKING([whether build environment is sane])
223 echo timestamp > conftestfile
224 # Do `set' in a subshell so we don't clobber the current shell's
225 # arguments. Must try -L first in case configure is actually a
226 # symlink; some systems play weird games with the mod time of symlinks
227 # (eg FreeBSD returns the mod time of the symlink's containing
230 set X `ls -Lt $srcdir/configure conftestfile 2> /dev/null`
231 if test "[$]*" = "X"; then
233 set X `ls -t $srcdir/configure conftestfile`
235 if test "[$]*" != "X $srcdir/configure conftestfile" \
236 && test "[$]*" != "X conftestfile $srcdir/configure"; then
238 # If neither matched, then we have a broken ls. This can happen
239 # if, for instance, CONFIG_SHELL is bash and it inherits a
240 # broken ls alias from the environment. This has actually
241 # happened. Such a system could not be considered "sane".
242 AC_MSG_ERROR([ls -t appears to fail. Make sure there is not a broken
243 alias in your environment])
246 test "[$]2" = conftestfile
252 AC_MSG_ERROR([newly created file is older than distributed files!
253 Check your system clock])
258 dnl AM_MISSING_PROG(NAME, PROGRAM, DIRECTORY)
259 dnl The program must properly implement --version.
260 AC_DEFUN(AM_MISSING_PROG,
261 [AC_MSG_CHECKING(for working $2)
262 # Run test in a subshell; some versions of sh will print an error if
263 # an executable is not found, even if stderr is redirected.
264 # Redirect stdin to placate older versions of autoconf. Sigh.
265 if ($2 --version) < /dev/null > /dev/null 2>&1; then
270 AC_MSG_RESULT(missing)
274 # Add --enable-maintainer-mode option to configure.
279 AC_DEFUN(AM_MAINTAINER_MODE,
280 [AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
281 dnl maintainer-mode is disabled by default
282 AC_ARG_ENABLE(maintainer-mode,
283 [ --enable-maintainer-mode enable make rules and dependencies not useful
284 (and sometimes confusing) to the casual installer],
285 USE_MAINTAINER_MODE=$enableval,
286 USE_MAINTAINER_MODE=no)
287 AC_MSG_RESULT($USE_MAINTAINER_MODE)
288 AM_CONDITIONAL(MAINTAINER_MODE, test $USE_MAINTAINER_MODE = yes)
289 MAINT=$MAINTAINER_MODE_TRUE
294 # Define a conditional.
296 AC_DEFUN(AM_CONDITIONAL,
308 # serial 46 AC_PROG_LIBTOOL
309 AC_DEFUN([AC_PROG_LIBTOOL],
310 [AC_REQUIRE([_AC_PROG_LIBTOOL])dnl
311 dnl If AC_PROG_CXX has already been expanded, run AC_LIBTOOL_CXX
312 dnl immediately, otherwise, hook it in at the end of AC_PROG_CXX.
313 AC_PROVIDE_IFELSE([AC_PROG_CXX],
315 [define([AC_PROG_CXX], defn([AC_PROG_CXX])[AC_LIBTOOL_CXX
318 dnl Quote A][M_PROG_GCJ so that aclocal doesn't bring it in needlessly.
319 dnl If either AC_PROG_GCJ or A][M_PROG_GCJ have already been expanded, run
320 dnl AC_LIBTOOL_GCJ immediately, otherwise, hook it in at the end of both.
321 AC_PROVIDE_IFELSE([AC_PROG_GCJ],
323 [AC_PROVIDE_IFELSE([A][M_PROG_GCJ],
325 [AC_PROVIDE_IFELSE([LT_AC_PROG_GCJ],
327 [ifdef([AC_PROG_GCJ],
328 [define([AC_PROG_GCJ], defn([AC_PROG_GCJ])[AC_LIBTOOL_GCJ
330 ifdef([A][M_PROG_GCJ],
331 [define([A][M_PROG_GCJ], defn([A][M_PROG_GCJ])[AC_LIBTOOL_GCJ
333 ifdef([LT_AC_PROG_GCJ],
334 [define([LT_AC_PROG_GCJ], defn([LT_AC_PROG_GCJ])[AC_LIBTOOL_GCJ
337 AC_DEFUN([_AC_PROG_LIBTOOL],
338 [AC_REQUIRE([AC_LIBTOOL_SETUP])dnl
339 AC_BEFORE([$0],[AC_LIBTOOL_CXX])dnl
340 AC_BEFORE([$0],[AC_LIBTOOL_GCJ])dnl
342 # Save cache, so that ltconfig can load it
345 # Actually configure libtool. ac_aux_dir is where install-sh is found.
346 AR="$AR" LTCC="$CC" CC="$CC" CFLAGS="$CFLAGS" CPPFLAGS="$CPPFLAGS" \
347 MAGIC_CMD="$MAGIC_CMD" LD="$LD" LDFLAGS="$LDFLAGS" LIBS="$LIBS" \
348 LN_S="$LN_S" NM="$NM" RANLIB="$RANLIB" STRIP="$STRIP" \
349 AS="$AS" DLLTOOL="$DLLTOOL" OBJDUMP="$OBJDUMP" \
350 objext="$OBJEXT" exeext="$EXEEXT" reload_flag="$reload_flag" \
351 deplibs_check_method="$deplibs_check_method" file_magic_cmd="$file_magic_cmd" \
352 ${CONFIG_SHELL-/bin/sh} $ac_aux_dir/ltconfig --no-reexec \
353 $libtool_flags --no-verify --build="$build" $ac_aux_dir/ltmain.sh $host \
354 || AC_MSG_ERROR([libtool configure failed])
356 # Reload cache, that may have been modified by ltconfig
359 # This can be used to rebuild libtool when needed
360 LIBTOOL_DEPS="$ac_aux_dir/ltconfig $ac_aux_dir/ltmain.sh $ac_aux_dir/ltcf-c.sh"
362 # Always use our own libtool.
363 LIBTOOL='$(SHELL) $(top_builddir)/libtool'
366 # Redirect the config.log output again, so that the ltconfig log is not
367 # clobbered by the next message.
371 AC_DEFUN([AC_LIBTOOL_SETUP],
373 AC_REQUIRE([AC_ENABLE_SHARED])dnl
374 AC_REQUIRE([AC_ENABLE_STATIC])dnl
375 AC_REQUIRE([AC_ENABLE_FAST_INSTALL])dnl
376 AC_REQUIRE([AC_CANONICAL_HOST])dnl
377 AC_REQUIRE([AC_CANONICAL_BUILD])dnl
378 AC_REQUIRE([AC_PROG_CC])dnl
379 AC_REQUIRE([AC_PROG_LD])dnl
380 AC_REQUIRE([AC_PROG_LD_RELOAD_FLAG])dnl
381 AC_REQUIRE([AC_PROG_NM])dnl
382 AC_REQUIRE([AC_PROG_LN_S])dnl
383 AC_REQUIRE([AC_DEPLIBS_CHECK_METHOD])dnl
384 # Autoconf 2.13's AC_OBJEXT and AC_EXEEXT macros only works for C compilers!
385 AC_REQUIRE([AC_OBJEXT])dnl
386 AC_REQUIRE([AC_EXEEXT])dnl
389 # Only perform the check for file, if the check method requires it
390 case $deplibs_check_method in
392 if test "$file_magic_cmd" = '$MAGIC_CMD'; then
398 AC_CHECK_TOOL(RANLIB, ranlib, :)
399 AC_CHECK_TOOL(STRIP, strip, :)
401 # Check for any special flags to pass to ltconfig.
402 libtool_flags="--cache-file=$cache_file"
403 test "$enable_shared" = no && libtool_flags="$libtool_flags --disable-shared"
404 test "$enable_static" = no && libtool_flags="$libtool_flags --disable-static"
405 test "$enable_fast_install" = no && libtool_flags="$libtool_flags --disable-fast-install"
406 test "$GCC" = yes && libtool_flags="$libtool_flags --with-gcc"
407 test "$lt_cv_prog_gnu_ld" = yes && libtool_flags="$libtool_flags --with-gnu-ld"
408 ifdef([AC_PROVIDE_AC_LIBTOOL_DLOPEN],
409 [libtool_flags="$libtool_flags --enable-dlopen"])
410 ifdef([AC_PROVIDE_AC_LIBTOOL_WIN32_DLL],
411 [libtool_flags="$libtool_flags --enable-win32-dll"])
412 AC_ARG_ENABLE(libtool-lock,
413 [ --disable-libtool-lock avoid locking (might break parallel builds)])
414 test "x$enable_libtool_lock" = xno && libtool_flags="$libtool_flags --disable-lock"
415 test x"$silent" = xyes && libtool_flags="$libtool_flags --silent"
418 [ --with-pic try to use only PIC/non-PIC objects [default=use both]],
419 pic_mode="$withval", pic_mode=default)
420 test x"$pic_mode" = xyes && libtool_flags="$libtool_flags --prefer-pic"
421 test x"$pic_mode" = xno && libtool_flags="$libtool_flags --prefer-non-pic"
423 # Some flags need to be propagated to the compiler or linker for good
427 # Find out which ABI we are using.
428 echo '[#]line __oline__ "configure"' > conftest.$ac_ext
429 if AC_TRY_EVAL(ac_compile); then
430 case `/usr/bin/file conftest.$ac_objext` in
446 # Find out which ABI we are using.
447 echo 'int i;' > conftest.$ac_ext
448 if AC_TRY_EVAL(ac_compile); then
449 case "`/usr/bin/file conftest.o`" in
462 # On SCO OpenServer 5, we need -belf to get full-featured binaries.
463 SAVE_CFLAGS="$CFLAGS"
464 CFLAGS="$CFLAGS -belf"
465 AC_CACHE_CHECK([whether the C compiler needs -belf], lt_cv_cc_needs_belf,
468 AC_TRY_LINK([],[],[lt_cv_cc_needs_belf=yes],[lt_cv_cc_needs_belf=no])
470 if test x"$lt_cv_cc_needs_belf" != x"yes"; then
471 # this is probably gcc 2.8.0, egcs 1.0 or newer; no need for -belf
472 CFLAGS="$SAVE_CFLAGS"
476 ifdef([AC_PROVIDE_AC_LIBTOOL_WIN32_DLL],
477 [*-*-cygwin* | *-*-mingw* | *-*-pw32*)
478 AC_CHECK_TOOL(DLLTOOL, dlltool, false)
479 AC_CHECK_TOOL(AS, as, false)
480 AC_CHECK_TOOL(OBJDUMP, objdump, false)
482 # recent cygwin and mingw systems supply a stub DllMain which the user
483 # can override, but on older systems we have to supply one
484 AC_CACHE_CHECK([if libtool should supply DllMain function], lt_cv_need_dllmain,
486 [extern int __attribute__((__stdcall__)) DllMain(void*, int, void*);
488 [lt_cv_need_dllmain=no],[lt_cv_need_dllmain=yes])])
491 *-*-cygwin*/gcc*-mno-cygwin*|*-*-mingw*)
492 # old mingw systems require "-dll" to link a DLL, while more recent ones
494 SAVE_CFLAGS="$CFLAGS"
495 CFLAGS="$CFLAGS -mdll"
496 AC_CACHE_CHECK([how to link DLLs], lt_cv_cc_dll_switch,
497 [AC_TRY_LINK([], [], [lt_cv_cc_dll_switch=-mdll],[lt_cv_cc_dll_switch=-dll])])
498 CFLAGS="$SAVE_CFLAGS" ;;
499 *-*-cygwin* | *-*-pw32*)
500 # cygwin systems need to pass --dll to the linker, and not link
501 # crt.o which will require a WinMain@16 definition.
502 lt_cv_cc_dll_switch="-Wl,--dll -nostartfiles" ;;
509 # AC_LIBTOOL_DLOPEN - enable checks for dlopen support
510 AC_DEFUN([AC_LIBTOOL_DLOPEN], [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])])
512 # AC_LIBTOOL_WIN32_DLL - declare package support for building win32 dll's
513 AC_DEFUN([AC_LIBTOOL_WIN32_DLL], [AC_BEFORE([$0], [AC_LIBTOOL_SETUP])])
515 # AC_ENABLE_SHARED - implement the --enable-shared flag
516 # Usage: AC_ENABLE_SHARED[(DEFAULT)]
517 # Where DEFAULT is either `yes' or `no'. If omitted, it defaults to
519 AC_DEFUN([AC_ENABLE_SHARED],
520 [define([AC_ENABLE_SHARED_DEFAULT], ifelse($1, no, no, yes))dnl
521 AC_ARG_ENABLE(shared,
522 changequote(<<, >>)dnl
523 << --enable-shared[=PKGS] build shared libraries [default=>>AC_ENABLE_SHARED_DEFAULT],
525 [p=${PACKAGE-default}
527 yes) enable_shared=yes ;;
528 no) enable_shared=no ;;
531 # Look at the argument we got. We use all the common list separators.
532 IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:,"
533 for pkg in $enableval; do
534 if test "X$pkg" = "X$p"; then
541 enable_shared=AC_ENABLE_SHARED_DEFAULT)dnl
544 # AC_DISABLE_SHARED - set the default shared flag to --disable-shared
545 AC_DEFUN([AC_DISABLE_SHARED], [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl
546 AC_ENABLE_SHARED(no)])
548 # AC_ENABLE_STATIC - implement the --enable-static flag
549 # Usage: AC_ENABLE_STATIC[(DEFAULT)]
550 # Where DEFAULT is either `yes' or `no'. If omitted, it defaults to
552 AC_DEFUN([AC_ENABLE_STATIC],
553 [define([AC_ENABLE_STATIC_DEFAULT], ifelse($1, no, no, yes))dnl
554 AC_ARG_ENABLE(static,
555 changequote(<<, >>)dnl
556 << --enable-static[=PKGS] build static libraries [default=>>AC_ENABLE_STATIC_DEFAULT],
558 [p=${PACKAGE-default}
560 yes) enable_static=yes ;;
561 no) enable_static=no ;;
564 # Look at the argument we got. We use all the common list separators.
565 IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:,"
566 for pkg in $enableval; do
567 if test "X$pkg" = "X$p"; then
574 enable_static=AC_ENABLE_STATIC_DEFAULT)dnl
577 # AC_DISABLE_STATIC - set the default static flag to --disable-static
578 AC_DEFUN([AC_DISABLE_STATIC],
579 [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl
580 AC_ENABLE_STATIC(no)])
583 # AC_ENABLE_FAST_INSTALL - implement the --enable-fast-install flag
584 # Usage: AC_ENABLE_FAST_INSTALL[(DEFAULT)]
585 # Where DEFAULT is either `yes' or `no'. If omitted, it defaults to
587 AC_DEFUN([AC_ENABLE_FAST_INSTALL],
588 [define([AC_ENABLE_FAST_INSTALL_DEFAULT], ifelse($1, no, no, yes))dnl
589 AC_ARG_ENABLE(fast-install,
590 changequote(<<, >>)dnl
591 << --enable-fast-install[=PKGS] optimize for fast installation [default=>>AC_ENABLE_FAST_INSTALL_DEFAULT],
593 [p=${PACKAGE-default}
595 yes) enable_fast_install=yes ;;
596 no) enable_fast_install=no ;;
598 enable_fast_install=no
599 # Look at the argument we got. We use all the common list separators.
600 IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:,"
601 for pkg in $enableval; do
602 if test "X$pkg" = "X$p"; then
603 enable_fast_install=yes
609 enable_fast_install=AC_ENABLE_FAST_INSTALL_DEFAULT)dnl
612 # AC_DISABLE_FAST_INSTALL - set the default to --disable-fast-install
613 AC_DEFUN([AC_DISABLE_FAST_INSTALL],
614 [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl
615 AC_ENABLE_FAST_INSTALL(no)])
617 # AC_LIBTOOL_PICMODE - implement the --with-pic flag
618 # Usage: AC_LIBTOOL_PICMODE[(MODE)]
619 # Where MODE is either `yes' or `no'. If omitted, it defaults to
621 AC_DEFUN([AC_LIBTOOL_PICMODE],
622 [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl
623 pic_mode=ifelse($#,1,$1,default)])
626 # AC_PATH_TOOL_PREFIX - find a file program which can recognise shared library
627 AC_DEFUN([AC_PATH_TOOL_PREFIX],
628 [AC_MSG_CHECKING([for $1])
629 AC_CACHE_VAL(lt_cv_path_MAGIC_CMD,
632 lt_cv_path_MAGIC_CMD="$MAGIC_CMD" # Let the user override the test with a path.
635 lt_cv_path_MAGIC_CMD="$MAGIC_CMD" # Let the user override the test with a dos path.
638 ac_save_MAGIC_CMD="$MAGIC_CMD"
639 IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS=":"
640 dnl $ac_dummy forces splitting on constant user-supplied paths.
641 dnl POSIX.2 word splitting is done only on the output of word expansions,
642 dnl not every word. This closes a longstanding sh security hole.
643 ac_dummy="ifelse([$2], , $PATH, [$2])"
644 for ac_dir in $ac_dummy; do
645 test -z "$ac_dir" && ac_dir=.
646 if test -f $ac_dir/$1; then
647 lt_cv_path_MAGIC_CMD="$ac_dir/$1"
648 if test -n "$file_magic_test_file"; then
649 case $deplibs_check_method in
651 file_magic_regex="`expr \"$deplibs_check_method\" : \"file_magic \(.*\)\"`"
652 MAGIC_CMD="$lt_cv_path_MAGIC_CMD"
653 if eval $file_magic_cmd \$file_magic_test_file 2> /dev/null |
654 egrep "$file_magic_regex" > /dev/null; then
659 *** Warning: the command libtool uses to detect shared libraries,
660 *** $file_magic_cmd, produces output that libtool cannot recognize.
661 *** The result is that libtool may fail to recognize shared libraries
662 *** as such. This will affect the creation of libtool libraries that
663 *** depend on shared libraries, but programs linked with such libtool
664 *** libraries will work regardless of this problem. Nevertheless, you
665 *** may want to report the problem to your system manager and/or to
666 *** bug-libtool@gnu.org
676 MAGIC_CMD="$ac_save_MAGIC_CMD"
679 MAGIC_CMD="$lt_cv_path_MAGIC_CMD"
680 if test -n "$MAGIC_CMD"; then
681 AC_MSG_RESULT($MAGIC_CMD)
688 # AC_PATH_MAGIC - find a file program which can recognise a shared library
689 AC_DEFUN([AC_PATH_MAGIC],
690 [AC_REQUIRE([AC_CHECK_TOOL_PREFIX])dnl
691 AC_PATH_TOOL_PREFIX(${ac_tool_prefix}file, /usr/bin:$PATH)
692 if test -z "$lt_cv_path_MAGIC_CMD"; then
693 if test -n "$ac_tool_prefix"; then
694 AC_PATH_TOOL_PREFIX(file, /usr/bin:$PATH)
702 # AC_PROG_LD - find the path to the GNU or non-GNU linker
703 AC_DEFUN([AC_PROG_LD],
705 [ --with-gnu-ld assume the C compiler uses GNU ld [default=no]],
706 test "$withval" = no || with_gnu_ld=yes, with_gnu_ld=no)
707 AC_REQUIRE([AC_PROG_CC])dnl
708 AC_REQUIRE([AC_CANONICAL_HOST])dnl
709 AC_REQUIRE([AC_CANONICAL_BUILD])dnl
711 if test "$GCC" = yes; then
712 # Check if gcc -print-prog-name=ld gives a path.
713 AC_MSG_CHECKING([for ld used by GCC])
716 # gcc leaves a trailing carriage return which upsets mingw
717 ac_prog=`($CC -print-prog-name=ld) 2>&5 | tr -d '\015'` ;;
719 ac_prog=`($CC -print-prog-name=ld) 2>&5` ;;
722 # Accept absolute paths.
723 [[\\/]* | [A-Za-z]:[\\/]*)]
724 re_direlt=['/[^/][^/]*/\.\./']
725 # Canonicalize the path of ld
726 ac_prog=`echo $ac_prog| sed 's%\\\\%/%g'`
727 while echo $ac_prog | grep "$re_direlt" > /dev/null 2>&1; do
728 ac_prog=`echo $ac_prog| sed "s%$re_direlt%/%"`
730 test -z "$LD" && LD="$ac_prog"
733 # If it fails, then pretend we aren't using GCC.
737 # If it is relative, then search for the first ld in PATH.
741 elif test "$with_gnu_ld" = yes; then
742 AC_MSG_CHECKING([for GNU ld])
744 AC_MSG_CHECKING([for non-GNU ld])
746 AC_CACHE_VAL(lt_cv_path_LD,
747 [if test -z "$LD"; then
748 IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}${PATH_SEPARATOR-:}"
749 for ac_dir in $PATH; do
750 test -z "$ac_dir" && ac_dir=.
751 if test -f "$ac_dir/$ac_prog" || test -f "$ac_dir/$ac_prog$ac_exeext"; then
752 lt_cv_path_LD="$ac_dir/$ac_prog"
753 # Check to see if the program is GNU ld. I'd rather use --version,
754 # but apparently some GNU ld's only accept -v.
755 # Break only if it was the GNU/non-GNU ld that we prefer.
756 if "$lt_cv_path_LD" -v 2>&1 < /dev/null | egrep '(GNU|with BFD)' > /dev/null; then
757 test "$with_gnu_ld" != no && break
759 test "$with_gnu_ld" != yes && break
765 lt_cv_path_LD="$LD" # Let the user override the test with a path.
768 if test -n "$LD"; then
773 test -z "$LD" && AC_MSG_ERROR([no acceptable ld found in \$PATH])
777 AC_DEFUN([AC_PROG_LD_GNU],
778 [AC_CACHE_CHECK([if the linker ($LD) is GNU ld], lt_cv_prog_gnu_ld,
779 [# I'd rather use --version here, but apparently some GNU ld's only accept -v.
780 if $LD -v 2>&1 </dev/null | egrep '(GNU|with BFD)' 1>&5; then
781 lt_cv_prog_gnu_ld=yes
785 with_gnu_ld=$lt_cv_prog_gnu_ld
788 # AC_PROG_LD_RELOAD_FLAG - find reload flag for linker
789 # -- PORTME Some linkers may need a different reload flag.
790 AC_DEFUN([AC_PROG_LD_RELOAD_FLAG],
791 [AC_CACHE_CHECK([for $LD option to reload object files], lt_cv_ld_reload_flag,
792 [lt_cv_ld_reload_flag='-r'])
793 reload_flag=$lt_cv_ld_reload_flag
794 test -n "$reload_flag" && reload_flag=" $reload_flag"
797 # AC_DEPLIBS_CHECK_METHOD - how to check for library dependencies
798 # -- PORTME fill in with the dynamic library characteristics
799 AC_DEFUN([AC_DEPLIBS_CHECK_METHOD],
800 [AC_CACHE_CHECK([how to recognise dependant libraries],
801 lt_cv_deplibs_check_method,
802 [lt_cv_file_magic_cmd='$MAGIC_CMD'
803 lt_cv_file_magic_test_file=
804 lt_cv_deplibs_check_method='unknown'
805 # Need to set the preceding variable on all platforms that support
806 # interlibrary dependencies.
807 # 'none' -- dependencies not supported.
808 # `unknown' -- same as none, but documents that we really don't know.
809 # 'pass_all' -- all dependencies passed with no checks.
810 # 'test_compile' -- check by making test program.
811 # 'file_magic [regex]' -- check by looking for files in library path
812 # which responds to the $file_magic_cmd with a given egrep regex.
813 # If you have `file' or equivalent on your system and you're not sure
814 # whether `pass_all' will *always* work, you probably want this one.
818 lt_cv_deplibs_check_method=pass_all
822 lt_cv_deplibs_check_method=pass_all
826 lt_cv_deplibs_check_method=['file_magic ELF [0-9][0-9]*-bit [ML]SB (shared object|dynamic lib)']
827 lt_cv_file_magic_cmd='/usr/bin/file -L'
828 lt_cv_file_magic_test_file=/shlib/libc.so
831 cygwin* | mingw* |pw32*)
832 lt_cv_deplibs_check_method='file_magic file format pei*-i386(.*architecture: i386)?'
833 lt_cv_file_magic_cmd='$OBJDUMP -f'
837 lt_cv_deplibs_check_method='file_magic Mach-O dynamically linked shared library'
838 lt_cv_file_magic_cmd='/usr/bin/file -L'
840 rhapsody* | darwin1.[012])
841 lt_cv_file_magic_test_file='/System/Library/Frameworks/System.framework/System'
844 lt_cv_file_magic_test_file='/usr/lib/libSystem.dylib'
850 if echo __ELF__ | $CC -E - | grep __ELF__ > /dev/null; then
853 # Not sure whether the presence of OpenBSD here was a mistake.
854 # Let's accept both of them until this is cleared up.
855 lt_cv_deplibs_check_method=['file_magic (FreeBSD|OpenBSD)/i[3-9]86 (compact )?demand paged shared library']
856 lt_cv_file_magic_cmd=/usr/bin/file
857 lt_cv_file_magic_test_file=`echo /usr/lib/libc.so.*`
861 lt_cv_deplibs_check_method=pass_all
866 lt_cv_deplibs_check_method=pass_all
872 [lt_cv_deplibs_check_method='file_magic (s[0-9][0-9][0-9]|PA-RISC[0-9].[0-9]) shared library']
873 lt_cv_file_magic_cmd=/usr/bin/file
874 lt_cv_file_magic_test_file=/usr/lib/libc.sl
877 [lt_cv_deplibs_check_method='file_magic (s[0-9][0-9][0-9]|ELF-[0-9][0-9]) shared object file - IA64']
878 lt_cv_file_magic_cmd=/usr/bin/file
879 lt_cv_file_magic_test_file=/usr/lib/hpux32/libc.so
887 # this will be overridden with pass_all, but let us keep it just in case
888 lt_cv_deplibs_check_method="file_magic ELF 32-bit MSB dynamic lib MIPS - version 1"
892 *-32|*"-32 ") libmagic=32-bit;;
893 *-n32|*"-n32 ") libmagic=N32;;
894 *-64|*"-64 ") libmagic=64-bit;;
895 *) libmagic=never-match;;
897 # this will be overridden with pass_all, but let us keep it just in case
898 lt_cv_deplibs_check_method=["file_magic ELF ${libmagic} MSB mips-[1234] dynamic lib MIPS - version 1"]
901 lt_cv_file_magic_test_file=`echo /lib${libsuff}/libc.so*`
902 lt_cv_deplibs_check_method=pass_all
905 # This must be Linux ELF.
908 alpha* | hppa* | i*86 | powerpc* | sparc* | ia64* )
909 lt_cv_deplibs_check_method=pass_all ;;
911 # glibc up to 2.1.1 does not perform some relocations on ARM
912 lt_cv_deplibs_check_method=['file_magic ELF [0-9][0-9]*-bit [LM]SB (shared object|dynamic lib )'] ;;
914 lt_cv_file_magic_test_file=`echo /lib/libc.so* /lib/libc-*.so`
918 if echo __ELF__ | $CC -E - | grep __ELF__ > /dev/null; then
919 [lt_cv_deplibs_check_method='match_pattern /lib[^/\.]+\.so\.[0-9]+\.[0-9]+$']
921 [lt_cv_deplibs_check_method='match_pattern /lib[^/\.]+\.so$']
926 [lt_cv_deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [ML]SB (executable|dynamic lib)']
927 lt_cv_file_magic_cmd=/usr/bin/file
928 lt_cv_file_magic_test_file=/usr/lib/libnls.so
931 osf3* | osf4* | osf5*)
932 # this will be overridden with pass_all, but let us keep it just in case
933 lt_cv_deplibs_check_method='file_magic COFF format alpha shared library'
934 lt_cv_file_magic_test_file=/shlib/libc.so
935 lt_cv_deplibs_check_method=pass_all
939 lt_cv_deplibs_check_method=pass_all
943 lt_cv_deplibs_check_method=pass_all
944 lt_cv_file_magic_test_file=/lib/libc.so
947 [sysv5uw[78]* | sysv4*uw2*)]
948 lt_cv_deplibs_check_method=pass_all
951 sysv4 | sysv4.2uw2* | sysv4.3* | sysv5*)
954 lt_cv_deplibs_check_method=pass_all
957 lt_cv_deplibs_check_method=['file_magic ELF [0-9][0-9]*-bit [ML]SB (shared object|dynamic lib) M[0-9][0-9]* Version [0-9]']
958 lt_cv_file_magic_test_file=`echo /usr/lib/libc.so*`
964 file_magic_cmd=$lt_cv_file_magic_cmd
965 deplibs_check_method=$lt_cv_deplibs_check_method
969 # AC_PROG_NM - find the path to a BSD-compatible name lister
970 AC_DEFUN([AC_PROG_NM],
971 [AC_MSG_CHECKING([for BSD-compatible nm])
972 AC_CACHE_VAL(lt_cv_path_NM,
973 [if test -n "$NM"; then
974 # Let the user override the test.
977 IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}${PATH_SEPARATOR-:}"
978 for ac_dir in $PATH /usr/ccs/bin /usr/ucb /bin; do
979 test -z "$ac_dir" && ac_dir=.
980 tmp_nm=$ac_dir/${ac_tool_prefix}nm
981 if test -f $tmp_nm || test -f $tmp_nm$ac_exeext ; then
982 # Check to see if the nm accepts a BSD-compat flag.
983 # Adding the `sed 1q' prevents false positives on HP-UX, which says:
984 # nm: unknown option "B" ignored
985 # Tru64's nm complains that /dev/null is an invalid object file
986 if ($tmp_nm -B /dev/null 2>&1 | sed '1q'; exit 0) | egrep '(/dev/null|Invalid file or object type)' >/dev/null; then
987 lt_cv_path_NM="$tmp_nm -B"
989 elif ($tmp_nm -p /dev/null 2>&1 | sed '1q'; exit 0) | egrep /dev/null >/dev/null; then
990 lt_cv_path_NM="$tmp_nm -p"
993 lt_cv_path_NM=${lt_cv_path_NM="$tmp_nm"} # keep the first match, but
994 continue # so that we can try to find one that supports BSD flags
999 test -z "$lt_cv_path_NM" && lt_cv_path_NM=nm
1002 AC_MSG_RESULT([$NM])
1005 # AC_CHECK_LIBM - check for math library
1006 AC_DEFUN([AC_CHECK_LIBM],
1007 [AC_REQUIRE([AC_CANONICAL_HOST])dnl
1010 *-*-beos* | *-*-cygwin* | *-*-pw32*)
1011 # These system don't have libm
1014 AC_CHECK_LIB(mw, _mwvalidcheckl, LIBM="-lmw")
1015 AC_CHECK_LIB(m, main, LIBM="$LIBM -lm")
1018 AC_CHECK_LIB(m, main, LIBM="-lm")
1023 # AC_LIBLTDL_CONVENIENCE[(dir)] - sets LIBLTDL to the link flags for
1024 # the libltdl convenience library and INCLTDL to the include flags for
1025 # the libltdl header and adds --enable-ltdl-convenience to the
1026 # configure arguments. Note that LIBLTDL and INCLTDL are not
1027 # AC_SUBSTed, nor is AC_CONFIG_SUBDIRS called. If DIR is not
1028 # provided, it is assumed to be `libltdl'. LIBLTDL will be prefixed
1029 # with '${top_builddir}/' and INCLTDL will be prefixed with
1030 # '${top_srcdir}/' (note the single quotes!). If your package is not
1031 # flat and you're not using automake, define top_builddir and
1032 # top_srcdir appropriately in the Makefiles.
1033 AC_DEFUN([AC_LIBLTDL_CONVENIENCE],
1034 [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl
1035 case $enable_ltdl_convenience in
1036 no) AC_MSG_ERROR([this package needs a convenience libltdl]) ;;
1037 "") enable_ltdl_convenience=yes
1038 ac_configure_args="$ac_configure_args --enable-ltdl-convenience" ;;
1040 LIBLTDL='${top_builddir}/'ifelse($#,1,[$1],['libltdl'])/libltdlc.la
1041 INCLTDL='-I${top_srcdir}/'ifelse($#,1,[$1],['libltdl'])
1044 # AC_LIBLTDL_INSTALLABLE[(dir)] - sets LIBLTDL to the link flags for
1045 # the libltdl installable library and INCLTDL to the include flags for
1046 # the libltdl header and adds --enable-ltdl-install to the configure
1047 # arguments. Note that LIBLTDL and INCLTDL are not AC_SUBSTed, nor is
1048 # AC_CONFIG_SUBDIRS called. If DIR is not provided and an installed
1049 # libltdl is not found, it is assumed to be `libltdl'. LIBLTDL will
1050 # be prefixed with '${top_builddir}/' and INCLTDL will be prefixed
1051 # with '${top_srcdir}/' (note the single quotes!). If your package is
1052 # not flat and you're not using automake, define top_builddir and
1053 # top_srcdir appropriately in the Makefiles.
1054 # In the future, this macro may have to be called after AC_PROG_LIBTOOL.
1055 AC_DEFUN([AC_LIBLTDL_INSTALLABLE],
1056 [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl
1057 AC_CHECK_LIB(ltdl, main,
1058 [test x"$enable_ltdl_install" != xyes && enable_ltdl_install=no],
1059 [if test x"$enable_ltdl_install" = xno; then
1060 AC_MSG_WARN([libltdl not installed, but installation disabled])
1062 enable_ltdl_install=yes
1065 if test x"$enable_ltdl_install" = x"yes"; then
1066 ac_configure_args="$ac_configure_args --enable-ltdl-install"
1067 LIBLTDL='${top_builddir}/'ifelse($#,1,[$1],['libltdl'])/libltdl.la
1068 INCLTDL='-I${top_srcdir}/'ifelse($#,1,[$1],['libltdl'])
1070 ac_configure_args="$ac_configure_args --enable-ltdl-install=no"
1076 # If this macro is not defined by Autoconf, define it here.
1077 ifdef([AC_PROVIDE_IFELSE],
1079 [define([AC_PROVIDE_IFELSE],
1080 [ifdef([AC_PROVIDE_$1],
1083 # AC_LIBTOOL_CXX - enable support for C++ libraries
1084 AC_DEFUN([AC_LIBTOOL_CXX], [AC_REQUIRE([_AC_LIBTOOL_CXX])])
1086 AC_DEFUN([_AC_LIBTOOL_CXX],
1087 [AC_REQUIRE([AC_PROG_CXX])
1088 AC_REQUIRE([AC_PROG_CXXCPP])
1089 LIBTOOL_DEPS=$LIBTOOL_DEPS" $ac_aux_dir/ltcf-cxx.sh"
1091 lt_save_CFLAGS="$CFLAGS"
1092 dnl Make sure LTCC is set to the C compiler, i.e. set LTCC before CC
1093 dnl is set to the C++ compiler.
1094 AR="$AR" LTCC="$CC" CC="$CXX" CXX="$CXX" CFLAGS="$CXXFLAGS" CPPFLAGS="$CPPFLAGS" \
1095 MAGIC_CMD="$MAGIC_CMD" LD="$LD" LDFLAGS="$LDFLAGS" LIBS="$LIBS" \
1096 LN_S="$LN_S" NM="$NM" RANLIB="$RANLIB" STRIP="$STRIP" \
1097 AS="$AS" DLLTOOL="$DLLTOOL" OBJDUMP="$OBJDUMP" \
1098 objext="$OBJEXT" exeext="$EXEEXT" reload_flag="$reload_flag" \
1099 deplibs_check_method="$deplibs_check_method" \
1100 file_magic_cmd="$file_magic_cmd" \
1101 ${CONFIG_SHELL-/bin/sh} $ac_aux_dir/ltconfig -o libtool $libtool_flags \
1102 --build="$build" --add-tag=CXX $ac_aux_dir/ltcf-cxx.sh $host \
1103 || AC_MSG_ERROR([libtool tag configuration failed])
1105 CFLAGS="$lt_save_CFLAGS"
1107 # Redirect the config.log output again, so that the ltconfig log is not
1108 # clobbered by the next message.
1109 exec 5>>./config.log
1112 # AC_LIBTOOL_GCJ - enable support for GCJ libraries
1113 AC_DEFUN([AC_LIBTOOL_GCJ],[AC_REQUIRE([_AC_LIBTOOL_GCJ])])
1115 AC_DEFUN([_AC_LIBTOOL_GCJ],
1116 [AC_REQUIRE([AC_PROG_LIBTOOL])
1117 AC_PROVIDE_IFELSE([AC_PROG_GCJ],[],
1118 [AC_PROVIDE_IFELSE([A][M_PROG_GCJ],[],
1119 [AC_PROVIDE_IFELSE([LT_AC_PROG_GCJ],[],
1120 [ifdef([AC_PROG_GCJ],[AC_REQUIRE([AC_PROG_GCJ])],
1121 [ifdef([A][M_PROG_GCJ],[AC_REQUIRE([A][M_PROG_GCJ])],
1122 [AC_REQUIRE([A][C_PROG_GCJ_OR_A][M_PROG_GCJ])])])])])])
1123 LIBTOOL_DEPS=$LIBTOOL_DEPS" $ac_aux_dir/ltcf-gcj.sh"
1125 lt_save_CFLAGS="$CFLAGS"
1126 dnl Make sure LTCC is set to the C compiler, i.e. set LTCC before CC
1127 dnl is set to the C++ compiler.
1128 AR="$AR" LTCC="$CC" CC="$GCJ" CFLAGS="$GCJFLAGS" CPPFLAGS="$CPPFLAGS" \
1129 MAGIC_CMD="$MAGIC_CMD" LD="$LD" LDFLAGS="$LDFLAGS" LIBS="$LIBS" \
1130 LN_S="$LN_S" NM="$NM" RANLIB="$RANLIB" STRIP="$STRIP" \
1131 AS="$AS" DLLTOOL="$DLLTOOL" OBJDUMP="$OBJDUMP" \
1132 objext="$OBJEXT" exeext="$EXEEXT" reload_flag="$reload_flag" \
1133 deplibs_check_method="$deplibs_check_method" \
1134 file_magic_cmd="$file_magic_cmd" \
1135 ${CONFIG_SHELL-/bin/sh} $ac_aux_dir/ltconfig -o libtool $libtool_flags \
1136 --build="$build" --add-tag=GCJ $ac_aux_dir/ltcf-gcj.sh $host \
1137 || AC_MSG_ERROR([libtool tag configuration failed])
1139 CFLAGS="$lt_save_CFLAGS"
1141 # Redirect the config.log output again, so that the ltconfig log is not
1142 # clobbered by the next message.
1143 exec 5>>./config.log
1147 AC_DEFUN([AM_PROG_LIBTOOL], [AC_PROG_LIBTOOL])
1148 AC_DEFUN([AM_ENABLE_SHARED], [AC_ENABLE_SHARED($@)])
1149 AC_DEFUN([AM_ENABLE_STATIC], [AC_ENABLE_STATIC($@)])
1150 AC_DEFUN([AM_DISABLE_SHARED], [AC_DISABLE_SHARED($@)])
1151 AC_DEFUN([AM_DISABLE_STATIC], [AC_DISABLE_STATIC($@)])
1152 AC_DEFUN([AM_PROG_LD], [AC_PROG_LD])
1153 AC_DEFUN([AM_PROG_NM], [AC_PROG_NM])
1155 dnl This is just to silence aclocal about the macro not being used
1156 ifelse([AC_DISABLE_FAST_INSTALL])dnl
1158 AC_DEFUN([LT_AC_PROG_GCJ],
1159 [AC_CHECK_TOOL(GCJ, gcj, no)
1160 test "x${GCJFLAGS+set}" = xset || GCJFLAGS="-g -O2"