1 # generated automatically by aclocal 1.7.8 -*- Autoconf -*-
3 # Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002
4 # Free Software Foundation, Inc.
5 # This file is free software; the Free Software Foundation
6 # gives unlimited permission to copy and/or distribute it,
7 # with or without modifications, as long as this notice is preserved.
9 # This program is distributed in the hope that it will be useful,
10 # but WITHOUT ANY WARRANTY, to the extent permitted by law; without
11 # even the implied warranty of MERCHANTABILITY or FITNESS FOR A
16 dnl GLIBCXX_CONDITIONAL (NAME, SHELL-TEST)
18 dnl Exactly like AM_CONDITIONAL, but delays evaluation of the test until the
19 dnl end of configure. This lets tested variables be reassigned, and the
20 dnl conditional will depend on the final state of the variable. For a simple
21 dnl example of why this is needed, see GLIBCXX_ENABLE_HOSTED.
23 m4_define([_m4_divert(glibcxx_diversion)], 8000)dnl
24 AC_DEFUN(GLIBCXX_CONDITIONAL, [dnl
25 m4_divert_text([glibcxx_diversion],dnl
26 AM_CONDITIONAL([$1],[$2])
29 AC_DEFUN(GLIBCXX_EVALUATE_CONDITIONALS, [m4_undivert([glibcxx_diversion])])dnl
33 dnl Check to see what architecture and operating system we are compiling
34 dnl for. Also, if architecture- or OS-specific flags are required for
35 dnl compilation, pick them up here.
37 AC_DEFUN(GLIBCXX_CHECK_HOST, [
38 . $glibcxx_srcdir/configure.host
39 AC_MSG_NOTICE(CPU config directory is $cpu_include_dir)
40 AC_MSG_NOTICE(OS config directory is $os_include_dir)
45 dnl Initialize basic configure bits.
50 AC_DEFUN(GLIBCXX_TOPREL_CONFIGURE, [
51 # Sets up multi_basedir, which is srcdir/.. plus the usual
52 # "multi_source_toprel_bottom_adjust" lunacy as needed.
53 AM_ENABLE_MULTILIB(, ..)
55 # The generated code is exactly the same, except that automake's looks in
56 # ".. $srcdir/.." and autoconf's looks in multi_basedir. Apparently other
57 # things are triggered on the presence of the two ...AUX_DIR[S], but I don't
58 # know what they are or what the other differences might be (and they keep
61 # Looking in multi_basedir seems smarter, so actually execute that branch.
63 # this is for automake
66 # this is for autoconf
67 AC_CONFIG_AUX_DIRS(${multi_basedir})
76 dnl Initialize the rest of the library configury. At this point we have
77 dnl variables like $host.
80 dnl gcc_version (x.y.z format)
83 dnl glibcxx_builddir (absolute path)
84 dnl glibcxx_srcdir (absolute path)
85 dnl toplevel_srcdir (absolute path)
88 dnl with_target_subdir
90 dnl - the variables in GLIBCXX_CHECK_HOST / configure.host
91 dnl - default settings for all AM_CONFITIONAL test variables
92 dnl - lots of tools, like CC and CXX
94 AC_DEFUN(GLIBCXX_CONFIGURE, [
95 # Keep these sync'd with the list in Makefile.am. The first provides an
96 # expandable list at autoconf time; the second provides an expandable list
97 # (i.e., shell variable) at configure time.
98 m4_define([glibcxx_SUBDIRS],[include libmath libsupc++ src po testsuite])
99 SUBDIRS='glibcxx_SUBDIRS'
101 # These need to be absolute paths, yet at the same time need to
102 # canonicalize only relative paths, because then amd will not unmount
103 # drives. Thus the use of PWDCMD: set it to 'pawd' or 'amq -w' if using amd.
104 glibcxx_builddir=`${PWDCMD-pwd}`
106 [\\/$]* | ?:[\\/]*) glibcxx_srcdir=${srcdir} ;;
107 *) glibcxx_srcdir=`cd "$srcdir" && ${PWDCMD-pwd} || echo "$srcdir"` ;;
109 toplevel_srcdir=${glibcxx_srcdir}/..
110 AC_SUBST(glibcxx_builddir)
111 AC_SUBST(glibcxx_srcdir)
112 AC_SUBST(toplevel_srcdir)
114 # We use these options to decide which functions to include. They are
115 # set from the top level.
116 AC_ARG_WITH([target-subdir],
117 AC_HELP_STRING([--with-target-subdir=SUBDIR],
118 [configuring in a subdirectory]))
120 AC_ARG_WITH([cross-host],
121 AC_HELP_STRING([--with-cross-host=HOST],
122 [configuring with a cross compiler]))
124 AC_ARG_WITH([newlib],
125 AC_HELP_STRING([--with-newlib],
126 [assume newlib as a system C library]))
128 # We're almost certainly being configured before anything else which uses
129 # C++, so all of our AC_PROG_* discoveries will be cached. It's vital that
130 # we not cache the value of CXX that we "discover" here, because it's set
131 # to something unique for us and libjava. Other target libraries need to
132 # find CXX for themselves. We yank the rug out from under the normal AC_*
133 # process by sneakily renaming the cache variable. This also lets us debug
134 # the value of "our" CXX in postmortems.
136 # We must also force CXX to /not/ be a precious variable, otherwise the
137 # wrong (non-multilib-adjusted) value will be used in multilibs. This
138 # little trick also affects CPPFLAGS, CXXFLAGS, and LDFLAGS. And as a side
139 # effect, CXXFLAGS is no longer automagically subst'd, so we have to do
140 # that ourselves. Un-preciousing AC_PROG_CC also affects CC and CFLAGS.
142 # -fno-builtin must be present here so that a non-conflicting form of
143 # std::exit can be guessed by AC_PROG_CXX, and used in later tests.
145 m4_define([ac_cv_prog_CXX],[glibcxx_cv_prog_CXX])
146 m4_rename([_AC_ARG_VAR_PRECIOUS],[glibcxx_PRECIOUS])
147 m4_define([_AC_ARG_VAR_PRECIOUS],[])
148 save_CXXFLAGS="$CXXFLAGS"
149 CXXFLAGS="$CXXFLAGS -fno-builtin"
152 CXXFLAGS="$save_CXXFLAGS"
153 m4_rename([glibcxx_PRECIOUS],[_AC_ARG_VAR_PRECIOUS])
157 # For directory versioning (e.g., headers) and other variables.
158 AC_MSG_CHECKING([for GCC version number])
159 gcc_version=`$CXX -dumpversion`
160 AC_MSG_RESULT($gcc_version)
162 # Will set LN_S to either 'ln -s', 'ln', or 'cp -p' (if linking isn't
163 # available). Uncomment the next line to force a particular method.
167 AC_CHECK_TOOL(AS, as)
168 AC_CHECK_TOOL(AR, ar)
169 AC_CHECK_TOOL(RANLIB, ranlib, ranlib-not-found-in-path-error)
173 # Set up safe default values for all subsequent AM_CONDITIONAL tests
174 # which are themselves conditionally expanded.
175 ## (Right now, this only matters for enable_wchar_t, but nothing prevents
176 ## other macros from doing the same. This should be automated.) -pme
179 #enable_libstdcxx_debug=no
180 #enable_libstdcxx_pch=no
185 #enable_hosted_libstdcxx=yes
187 # Find platform-specific directories containing configuration info.
188 # Also possibly modify flags used elsewhere, as needed by the platform.
193 m4_include([linkage.m4])
194 m4_include([../config/no-executables.m4])
198 dnl Tests for newer compiler features, or features that are present in newer
199 dnl compiler versions but not older compiler versions still in use, should
203 dnl WERROR='-Werror' if requested and possible; g++'s that lack the
204 dnl new inlining code or the new system_header pragma will die on -Werror.
205 dnl Leave it out by default and use maint-mode to use it.
206 dnl SECTION_FLAGS='-ffunction-sections -fdata-sections' if
207 dnl compiler supports it and the user has not requested debug mode.
209 AC_DEFUN(GLIBCXX_CHECK_COMPILER_FEATURES, [
210 # All these tests are for C++; save the language and the compiler flags.
211 # The CXXFLAGS thing is suspicious, but based on similar bits previously
212 # found in GLIBCXX_CONFIGURE.
215 ac_test_CXXFLAGS="${CXXFLAGS+set}"
216 ac_save_CXXFLAGS="$CXXFLAGS"
218 # Check for maintainer-mode bits.
219 if test x"$USE_MAINTAINER_MODE" = xno; then
225 # Check for -ffunction-sections -fdata-sections
226 AC_MSG_CHECKING([for g++ that supports -ffunction-sections -fdata-sections])
227 CXXFLAGS='-Werror -ffunction-sections -fdata-sections'
228 AC_TRY_COMPILE(, [int foo;], [ac_fdsections=yes], [ac_fdsections=no])
229 if test "$ac_test_CXXFLAGS" = set; then
230 CXXFLAGS="$ac_save_CXXFLAGS"
232 # this is the suspicious part
235 if test x"$ac_fdsections" = x"yes"; then
236 SECTION_FLAGS='-ffunction-sections -fdata-sections'
238 AC_MSG_RESULT($ac_fdsections)
242 AC_SUBST(SECTION_FLAGS)
247 dnl If GNU ld is in use, check to see if tricky linker opts can be used. If
248 dnl the native linker is in use, all variables will be defined to something
249 dnl safe (like an empty string).
252 dnl SECTION_LDFLAGS='-Wl,--gc-sections' if possible
253 dnl OPT_LDFLAGS='-Wl,-O1' if possible
254 dnl LD (as a side effect of testing)
257 dnl glibcxx_gnu_ld_version (possibly)
259 dnl The last will be a single integer, e.g., version 1.23.45.0.67.89 will
260 dnl set glibcxx_gnu_ld_version to 12345. Zeros cause problems.
262 AC_DEFUN(GLIBCXX_CHECK_LINKER_FEATURES, [
263 # If we're not using GNU ld, then there's no point in even trying these
264 # tests. Check for that first. We should have already tested for gld
265 # by now (in libtool), but require it now just to be safe...
266 test -z "$SECTION_LDFLAGS" && SECTION_LDFLAGS=''
267 test -z "$OPT_LDFLAGS" && OPT_LDFLAGS=''
268 AC_REQUIRE([AC_PROG_LD])
269 AC_REQUIRE([AC_PROG_AWK])
271 # The name set by libtool depends on the version of libtool. Shame on us
272 # for depending on an impl detail, but c'est la vie. Older versions used
273 # ac_cv_prog_gnu_ld, but now it's lt_cv_prog_gnu_ld, and is copied back on
274 # top of with_gnu_ld (which is also set by --with-gnu-ld, so that actually
275 # makes sense). We'll test with_gnu_ld everywhere else, so if that isn't
276 # set (hence we're using an older libtool), then set it.
277 if test x${with_gnu_ld+set} != xset; then
278 if test x${ac_cv_prog_gnu_ld+set} != xset; then
279 # We got through "ac_require(ac_prog_ld)" and still not set? Huh?
282 with_gnu_ld=$ac_cv_prog_gnu_ld
286 # Start by getting the version number. I think the libtool test already
287 # does some of this, but throws away the result.
289 ldver=`$LD --version 2>/dev/null | head -1 | \
290 sed -e 's/GNU ld version \([0-9.][0-9.]*\).*/\1/'`
292 glibcxx_gnu_ld_version=`echo $ldver | \
293 $AWK -F. '{ if (NF<3) [$]3=0; print ([$]1*100+[$]2)*100+[$]3 }'`
296 if test "$with_gnu_ld" = "notbroken"; then
297 # GNU ld it is! Joy and bunny rabbits!
299 # All these tests are for C++; save the language and the compiler flags.
300 # Need to do this so that g++ won't try to link in libstdc++
301 ac_test_CFLAGS="${CFLAGS+set}"
302 ac_save_CFLAGS="$CFLAGS"
303 CFLAGS='-x c++ -Wl,--gc-sections'
305 # Check for -Wl,--gc-sections
306 # XXX This test is broken at the moment, as symbols required for linking
307 # are now in libsupc++ (not built yet). In addition, this test has
308 # cored on solaris in the past. In addition, --gc-sections doesn't
309 # really work at the moment (keeps on discarding used sections, first
310 # .eh_frame and now some of the glibc sections for iconv).
311 # Bzzzzt. Thanks for playing, maybe next time.
312 AC_MSG_CHECKING([for ld that supports -Wl,--gc-sections])
320 ], [ac_sectionLDflags=yes],[ac_sectionLDflags=no], [ac_sectionLDflags=yes])
321 if test "$ac_test_CFLAGS" = set; then
322 CFLAGS="$ac_save_CFLAGS"
324 # this is the suspicious part
327 if test "$ac_sectionLDflags" = "yes"; then
328 SECTION_LDFLAGS="-Wl,--gc-sections $SECTION_LDFLAGS"
330 AC_MSG_RESULT($ac_sectionLDflags)
333 # Set linker optimization flags.
334 if test x"$with_gnu_ld" = x"yes"; then
335 OPT_LDFLAGS="-Wl,-O1 $OPT_LDFLAGS"
338 AC_SUBST(SECTION_LDFLAGS)
339 AC_SUBST(OPT_LDFLAGS)
344 dnl Check to see if this target can enable the wchar_t parts.
345 dnl If --disable-c-mbchar was given, no wchar_t stuff is enabled. (This
346 dnl must have been previously checked.) By default, wide characters are
350 dnl HAVE_MBSTATE_T if mbstate_t is not in wchar.h
351 dnl _GLIBCXX_USE_WCHAR_T if all the bits are found.
353 AC_DEFUN(GLIBCXX_CHECK_WCHAR_T_SUPPORT, [
354 # Test wchar.h for mbstate_t, which is needed for char_traits and
355 # others even if wchar_t support is not on.
356 AC_MSG_CHECKING([for mbstate_t])
357 AC_TRY_COMPILE([#include <wchar.h>],
358 [mbstate_t teststate;],
359 have_mbstate_t=yes, have_mbstate_t=no)
360 AC_MSG_RESULT($have_mbstate_t)
361 if test x"$have_mbstate_t" = xyes; then
362 AC_DEFINE(HAVE_MBSTATE_T)
365 # Sanity check for existence of ISO C99 headers for extended encoding.
366 AC_CHECK_HEADERS(wchar.h, ac_has_wchar_h=yes, ac_has_wchar_h=no)
367 AC_CHECK_HEADERS(wctype.h, ac_has_wctype_h=yes, ac_has_wctype_h=no)
369 # Only continue checking if the ISO C99 headers exist and support is on.
370 if test x"$ac_has_wchar_h" = xyes &&
371 test x"$ac_has_wctype_h" = xyes &&
372 test x"$enable_c_mbchar" != xno; then
374 # Test wchar.h for WCHAR_MIN, WCHAR_MAX, which is needed before
375 # numeric_limits can instantiate type_traits<wchar_t>
376 AC_MSG_CHECKING([for WCHAR_MIN and WCHAR_MAX])
377 AC_TRY_COMPILE([#include <wchar.h>],
378 [int i = WCHAR_MIN; int j = WCHAR_MAX;],
379 has_wchar_minmax=yes, has_wchar_minmax=no)
380 AC_MSG_RESULT($has_wchar_minmax)
382 # Test wchar.h for WEOF, which is what we use to determine whether
383 # to specialize for char_traits<wchar_t> or not.
384 AC_MSG_CHECKING([for WEOF])
387 #include <stddef.h>],
389 has_weof=yes, has_weof=no)
390 AC_MSG_RESULT($has_weof)
392 # Tests for wide character functions used in char_traits<wchar_t>.
394 AC_CHECK_FUNCS([wcslen wmemchr wmemcmp wmemcpy wmemmove wmemset],
397 # Checks for names injected into std:: by the c_std headers.
398 AC_CHECK_FUNCS([btowc wctob fgetwc fgetws fputwc fputws fwide \
399 fwprintf fwscanf swprintf swscanf vfwprintf vswprintf \
400 vwprintf wprintf wscanf getwc getwchar mbsinit mbrlen mbrtowc \
401 mbsrtowcs wcsrtombs putwc putwchar ungetwc wcrtomb wcstod wcstol \
402 wcstoul wcscpy wcsncpy wcscat wcsncat wcscmp wcscoll wcsncmp wcsxfrm \
403 wcscspn wcsspn wcstok wcsftime wcschr wcspbrk wcsrchr wcsstr],
406 # Checks for wide character functions that are not required
407 # for basic wchar_t support. Don't disable support if they are missing.
408 # Injection of these is wrapped with guard macros.
409 AC_CHECK_FUNCS([vfwscanf vswscanf vwscanf wcstof iswblank],[],[])
411 AC_MSG_CHECKING([for ISO C99 wchar_t support])
412 if test x"$has_weof" = xyes &&
413 test x"$has_wchar_minmax" = xyes &&
414 test x"$ac_wfuncs" = xyes;
416 ac_isoC99_wchar_t=yes
420 AC_MSG_RESULT($ac_isoC99_wchar_t)
422 # Use iconv for wchar_t to char conversions. As such, check for
423 # X/Open Portability Guide, version 2 features (XPG2).
424 AC_CHECK_HEADER(iconv.h, ac_has_iconv_h=yes, ac_has_iconv_h=no)
425 AC_CHECK_HEADER(langinfo.h, ac_has_langinfo_h=yes, ac_has_langinfo_h=no)
427 # Check for existence of libiconv.a providing XPG2 wchar_t support.
428 AC_CHECK_LIB(iconv, iconv, libiconv="-liconv")
430 LIBS="$LIBS $libiconv"
432 AC_CHECK_FUNCS([iconv_open iconv_close iconv nl_langinfo],
433 [ac_XPG2funcs=yes], [ac_XPG2funcs=no])
437 AC_MSG_CHECKING([for XPG2 wchar_t support])
438 if test x"$ac_has_iconv_h" = xyes &&
439 test x"$ac_has_langinfo_h" = xyes &&
440 test x"$ac_XPG2funcs" = xyes;
446 AC_MSG_RESULT($ac_XPG2_wchar_t)
448 # At the moment, only enable wchar_t specializations if all the
449 # above support is present.
450 if test x"$ac_isoC99_wchar_t" = xyes &&
451 test x"$ac_XPG2_wchar_t" = xyes;
453 AC_DEFINE(_GLIBCXX_USE_WCHAR_T)
457 AC_MSG_CHECKING([for enabled wchar_t specializations])
458 AC_MSG_RESULT($enable_wchar_t)
463 dnl Check for headers for, and arguments to, the setrlimit() function.
464 dnl Used only in testsuite_hooks.h. Called from GLIBCXX_CONFIGURE_TESTSUITE.
467 dnl _GLIBCXX_MEM_LIMITS if we can set artificial limits on memory
468 dnl various HAVE_MEMLIMIT_* for individual limit names
470 AC_DEFUN(GLIBCXX_CHECK_SETRLIMIT_ancilliary, [
473 #include <sys/time.h>
474 #include <sys/resource.h>
476 [ int f = RLIMIT_$1 ; ],
477 [glibcxx_mresult=1], [glibcxx_mresult=0])
478 AC_DEFINE_UNQUOTED(HAVE_MEMLIMIT_$1, $glibcxx_mresult,
479 [Only used in build directory testsuite_hooks.h.])
482 AC_DEFUN(GLIBCXX_CHECK_SETRLIMIT, [
483 setrlimit_have_headers=yes
484 AC_CHECK_HEADERS(unistd.h sys/time.h sys/resource.h,
486 [setrlimit_have_headers=no])
487 # If don't have the headers, then we can't run the tests now, and we
488 # won't be seeing any of these during testsuite compilation.
489 if test $setrlimit_have_headers = yes; then
490 # Can't do these in a loop, else the resulting syntax is wrong.
491 GLIBCXX_CHECK_SETRLIMIT_ancilliary(DATA)
492 GLIBCXX_CHECK_SETRLIMIT_ancilliary(RSS)
493 GLIBCXX_CHECK_SETRLIMIT_ancilliary(VMEM)
494 GLIBCXX_CHECK_SETRLIMIT_ancilliary(AS)
496 # Check for rlimit, setrlimit.
497 AC_CACHE_VAL(ac_setrlimit, [
500 #include <sys/time.h>
501 #include <sys/resource.h>
505 [ac_setrlimit=yes], [ac_setrlimit=no])
509 AC_MSG_CHECKING([for testsuite memory limit support])
510 if test $setrlimit_have_headers = yes && test $ac_setrlimit = yes; then
512 AC_DEFINE(_GLIBCXX_MEM_LIMITS)
516 AC_MSG_RESULT($ac_mem_limits)
521 dnl Check whether S_ISREG (Posix) or S_IFREG is available in <sys/stat.h>.
522 dnl Define HAVE_S_ISREG / HAVE_S_IFREG appropriately.
524 AC_DEFUN(GLIBCXX_CHECK_S_ISREG_OR_S_IFREG, [
525 AC_CACHE_VAL(glibcxx_cv_S_ISREG, [
527 [#include <sys/stat.h>],
530 S_ISREG(buffer.st_mode);],
531 [glibcxx_cv_S_ISREG=yes],
532 [glibcxx_cv_S_ISREG=no])
534 AC_CACHE_VAL(glibcxx_cv_S_IFREG, [
536 [#include <sys/stat.h>],
539 S_IFREG & buffer.st_mode;],
540 [glibcxx_cv_S_IFREG=yes],
541 [glibcxx_cv_S_IFREG=no])
543 if test $glibcxx_cv_S_ISREG = yes; then
544 AC_DEFINE(HAVE_S_ISREG)
545 elif test $glibcxx_cv_S_IFREG = yes; then
546 AC_DEFINE(HAVE_S_IFREG)
552 dnl Check whether poll is available in <poll.h>, and define HAVE_POLL.
554 AC_DEFUN(GLIBCXX_CHECK_POLL, [
555 AC_CACHE_VAL(glibcxx_cv_POLL, [
558 [struct pollfd pfd[1];
559 pfd[0].events = POLLIN;
561 [glibcxx_cv_POLL=yes],
562 [glibcxx_cv_POLL=no])
564 if test $glibcxx_cv_POLL = yes; then
571 dnl Check whether writev is available in <sys/uio.h>, and define HAVE_WRITEV.
573 AC_DEFUN(GLIBCXX_CHECK_WRITEV, [
574 AC_CACHE_VAL(glibcxx_cv_WRITEV, [
576 [#include <sys/uio.h>],
577 [struct iovec iov[2];
579 [glibcxx_cv_WRITEV=yes],
580 [glibcxx_cv_WRITEV=no])
582 if test $glibcxx_cv_WRITEV = yes; then
583 AC_DEFINE(HAVE_WRITEV)
589 dnl Check whether int64_t is available in <stdint.h>, and define HAVE_INT64_T.
591 AC_DEFUN(GLIBCXX_CHECK_INT64_T, [
592 AC_CACHE_VAL(glibcxx_cv_INT64_T, [
594 [#include <stdint.h>],
596 [glibcxx_cv_INT64_T=yes],
597 [glibcxx_cv_INT64_T=no])
599 if test $glibcxx_cv_INT64_T = yes; then
600 AC_DEFINE(HAVE_INT64_T)
606 dnl Check whether LFS support is available.
608 AC_DEFUN(GLIBCXX_CHECK_LFS, [
611 ac_save_CXXFLAGS="$CXXFLAGS"
612 CXXFLAGS="$CXXFLAGS -fno-exceptions"
613 AC_CACHE_VAL(glibcxx_cv_LFS, [
620 fseeko64(fp, 0, SEEK_CUR);
622 lseek64(1, 0, SEEK_CUR);],
623 [glibcxx_cv_LFS=yes],
626 if test $glibcxx_cv_LFS = yes; then
627 AC_DEFINE(_GLIBCXX_USE_LFS)
629 CXXFLAGS="$ac_save_CXXFLAGS"
635 dnl Does any necessary configuration of the testsuite directory. Generates
636 dnl the testsuite_hooks.h header.
638 dnl GLIBCXX_ENABLE_SYMVERS and GLIBCXX_IS_NATIVE must be done before this.
641 dnl enable_abi_check / GLIBCXX_TEST_ABI
645 AC_DEFUN(GLIBCXX_CONFIGURE_TESTSUITE, [
646 if $GLIBCXX_IS_NATIVE && test $is_hosted = yes; then
647 # Do checks for memory limit functions.
648 GLIBCXX_CHECK_SETRLIMIT
650 # Look for setenv, so that extended locale tests can be performed.
651 GLIBCXX_CHECK_STDLIB_DECL_AND_LINKAGE_3(setenv)
653 if test $enable_symvers = no; then
658 enable_abi_check=no ;;
660 enable_abi_check=yes ;;
664 # Only build this as native, since automake does not understand
669 # Export file names for ABI checking.
670 baseline_dir="$glibcxx_srcdir/config/abi/${abi_baseline_pair}\$(MULTISUBDIR)"
671 AC_SUBST(baseline_dir)
673 GLIBCXX_CONDITIONAL(GLIBCXX_TEST_WCHAR_T, test $enable_wchar_t = yes)
674 GLIBCXX_CONDITIONAL(GLIBCXX_TEST_ABI, test $enable_abi_check = yes)
679 dnl Set up *_INCLUDES variables for all sundry Makefile.am's.
683 dnl TOPLEVEL_INCLUDES
685 AC_DEFUN(GLIBCXX_EXPORT_INCLUDES, [
686 # Used for every C++ compile we perform.
688 -I$glibcxx_builddir/include/$host_alias \
689 -I$glibcxx_builddir/include \
690 -I$glibcxx_srcdir/libsupc++"
692 # For Canadian crosses, pick this up too.
693 if test $CANADIAN = yes; then
694 GLIBCXX_INCLUDES="$GLIBCXX_INCLUDES -I\${includedir}"
697 # Stuff in the actual top level. Currently only used by libsupc++ to
698 # get unwind* headers from the gcc dir.
699 #TOPLEVEL_INCLUDES='-I$(toplevel_srcdir)/gcc -I$(toplevel_srcdir)/include'
700 TOPLEVEL_INCLUDES='-I$(toplevel_srcdir)/gcc'
702 # Now, export this to all the little Makefiles....
703 AC_SUBST(GLIBCXX_INCLUDES)
704 AC_SUBST(TOPLEVEL_INCLUDES)
709 dnl Set up *_FLAGS and *FLAGS variables for all sundry Makefile.am's.
710 dnl (SECTION_FLAGS is done under CHECK_COMPILER_FEATURES.)
713 dnl OPTIMIZE_CXXFLAGS
716 AC_DEFUN(GLIBCXX_EXPORT_FLAGS, [
717 # Optimization flags that are probably a good idea for thrill-seekers. Just
718 # uncomment the lines below and make, everything else is ready to go...
719 # OPTIMIZE_CXXFLAGS = -O3 -fstrict-aliasing -fvtable-gc
721 AC_SUBST(OPTIMIZE_CXXFLAGS)
723 WARN_FLAGS='-Wall -W -Wwrite-strings -Wcast-qual'
729 dnl All installation directory information is determined here.
733 dnl glibcxx_prefixdir
734 dnl glibcxx_toolexecdir
735 dnl glibcxx_toolexeclibdir
737 dnl Assumes cross_compiling bits already done, and with_cross_host in
740 AC_DEFUN(GLIBCXX_EXPORT_INSTALL_INFO, [
741 glibcxx_toolexecdir=no
742 glibcxx_toolexeclibdir=no
743 glibcxx_prefixdir=$prefix
745 AC_MSG_CHECKING([for gxx-include-dir])
746 AC_ARG_WITH([gxx-include-dir],
747 AC_HELP_STRING([--with-gxx-include-dir=DIR],
748 [installation directory for include files]),
750 yes) AC_MSG_ERROR([Missing directory for --with-gxx-include-dir]) ;;
751 no) gxx_include_dir=no ;;
752 *) gxx_include_dir=$withval ;;
754 [gxx_include_dir=no])
755 AC_MSG_RESULT($gxx_include_dir)
757 AC_MSG_CHECKING([for --enable-version-specific-runtime-libs])
758 AC_ARG_ENABLE([version-specific-runtime-libs],
759 AC_HELP_STRING([--enable-version-specific-runtime-libs],
760 [Specify that runtime libraries should be installed in a compiler-specific directory]),
761 [case "$enableval" in
762 yes) version_specific_libs=yes ;;
763 no) version_specific_libs=no ;;
764 *) AC_MSG_ERROR([Unknown argument to enable/disable version-specific libs]);;
766 [version_specific_libs=no])
767 AC_MSG_RESULT($version_specific_libs)
769 # Default case for install directory for include files.
770 if test $version_specific_libs = no && test $gxx_include_dir = no; then
771 gxx_include_dir='${prefix}'/include/c++/${gcc_version}
774 # Version-specific runtime libs processing.
775 if test $version_specific_libs = yes; then
776 # Need the gcc compiler version to know where to install libraries
777 # and header files if --enable-version-specific-runtime-libs option
779 if test x"$gxx_include_dir" = x"no"; then
780 gxx_include_dir='${libdir}/gcc-lib/${host_alias}/'$gcc_version/include/c++
782 glibcxx_toolexecdir='${libdir}/gcc-lib/${host_alias}'
783 glibcxx_toolexeclibdir='${toolexecdir}/'$gcc_version'$(MULTISUBDIR)'
786 # Calculate glibcxx_toolexecdir, glibcxx_toolexeclibdir
787 # Install a library built with a cross compiler in tooldir, not libdir.
788 if test x"$glibcxx_toolexecdir" = x"no"; then
789 if test -n "$with_cross_host" &&
790 test x"$with_cross_host" != x"no"; then
791 glibcxx_toolexecdir='${exec_prefix}/${host_alias}'
792 glibcxx_toolexeclibdir='${toolexecdir}/lib'
794 glibcxx_toolexecdir='${libdir}/gcc-lib/${host_alias}'
795 glibcxx_toolexeclibdir='${libdir}'
797 multi_os_directory=`$CXX -print-multi-os-directory`
798 case $multi_os_directory in
799 .) ;; # Avoid trailing /.
800 *) glibcxx_toolexeclibdir=$glibcxx_toolexeclibdir/$multi_os_directory ;;
804 AC_MSG_CHECKING([for install location])
805 AC_MSG_RESULT($gxx_include_dir)
807 AC_SUBST(glibcxx_prefixdir)
808 AC_SUBST(gxx_include_dir)
809 AC_SUBST(glibcxx_toolexecdir)
810 AC_SUBST(glibcxx_toolexeclibdir)
816 dnl (FEATURE, DEFAULT, HELP-ARG, HELP-STRING)
817 dnl (FEATURE, DEFAULT, HELP-ARG, HELP-STRING, permit a|b|c)
818 dnl (FEATURE, DEFAULT, HELP-ARG, HELP-STRING, SHELL-CODE-HANDLER)
820 dnl See docs/html/17_intro/configury.html#enable for documentation.
822 m4_define([GLIBCXX_ENABLE],[dnl
823 m4_define([_g_switch],[--enable-$1])dnl
824 m4_define([_g_help],[AC_HELP_STRING(_g_switch$3,[$4 @<:@default=$2@:>@])])dnl
825 AC_ARG_ENABLE($1,_g_help,
830 m4_bpatsubst([$5],[permit ])) ;;
831 *) AC_MSG_ERROR(Unknown argument to enable/disable $1) ;;
832 dnl Idea for future: generate a URL pointing to
833 dnl "onlinedocs/configopts.html#whatever"
840 *) AC_MSG_ERROR(Argument to enable/disable $1 must be yes or no) ;;
844 [enable_]m4_bpatsubst([$1],-,_)[=][$2])
845 m4_undefine([_g_switch])dnl
846 m4_undefine([_g_help])dnl
851 dnl Check for ISO/IEC 9899:1999 "C99" support.
853 dnl --enable-c99 defines _GLIBCXX_USE_C99
854 dnl --disable-c99 leaves _GLIBCXX_USE_C99 undefined
855 dnl + Usage: GLIBCXX_ENABLE_C99[(DEFAULT)]
856 dnl Where DEFAULT is either `yes' or `no'.
857 dnl + If 'C99' stuff is not available, ignores DEFAULT and sets `no'.
859 AC_DEFUN(GLIBCXX_ENABLE_C99, [
860 GLIBCXX_ENABLE(c99,$1,,[turns on ISO/IEC 9899:1999 support])
865 # Check for the existence of <math.h> functions used if C99 is enabled.
867 AC_MSG_CHECKING([for ISO C99 support in <math.h>])
868 AC_TRY_COMPILE([#include <math.h>],[fpclassify(0.0);],, [ac_c99_math=no])
869 AC_TRY_COMPILE([#include <math.h>],[isfinite(0.0);],, [ac_c99_math=no])
870 AC_TRY_COMPILE([#include <math.h>],[isinf(0.0);],, [ac_c99_math=no])
871 AC_TRY_COMPILE([#include <math.h>],[isnan(0.0);],, [ac_c99_math=no])
872 AC_TRY_COMPILE([#include <math.h>],[isnormal(0.0);],, [ac_c99_math=no])
873 AC_TRY_COMPILE([#include <math.h>],[signbit(0.0);],, [ac_c99_math=no])
874 AC_TRY_COMPILE([#include <math.h>],[isgreater(0.0,0.0);],, [ac_c99_math=no])
875 AC_TRY_COMPILE([#include <math.h>],
876 [isgreaterequal(0.0,0.0);],, [ac_c99_math=no])
877 AC_TRY_COMPILE([#include <math.h>],[isless(0.0,0.0);],, [ac_c99_math=no])
878 AC_TRY_COMPILE([#include <math.h>],[islessequal(0.0,0.0);],,[ac_c99_math=no])
879 AC_TRY_COMPILE([#include <math.h>],
880 [islessgreater(0.0,0.0);],, [ac_c99_math=no])
881 AC_TRY_COMPILE([#include <math.h>],
882 [isunordered(0.0,0.0);],, [ac_c99_math=no])
883 AC_MSG_RESULT($ac_c99_math)
885 if test x"$ac_c99_math" = x"yes"; then
886 AC_DEFINE(_GLIBCXX_USE_C99_MATH)
889 # Check for the existence in <stdio.h> of vscanf, et. al.
891 AC_MSG_CHECKING([for ISO C99 support in <stdio.h>])
892 AC_TRY_COMPILE([#include <stdio.h>],
893 [snprintf("12", 0, "%i");],, [ac_c99_stdio=no])
894 AC_TRY_COMPILE([#include <stdio.h>
896 void foo(char* fmt, ...)
897 {va_list args; va_start(args, fmt);
898 vfscanf(stderr, "%i", args);}],
899 [],, [ac_c99_stdio=no])
900 AC_TRY_COMPILE([#include <stdio.h>
902 void foo(char* fmt, ...)
903 {va_list args; va_start(args, fmt);
904 vscanf("%i", args);}],
905 [],, [ac_c99_stdio=no])
906 AC_TRY_COMPILE([#include <stdio.h>
908 void foo(char* fmt, ...)
909 {va_list args; va_start(args, fmt);
910 vsnprintf(fmt, 0, "%i", args);}],
911 [],, [ac_c99_stdio=no])
912 AC_TRY_COMPILE([#include <stdio.h>
914 void foo(char* fmt, ...)
915 {va_list args; va_start(args, fmt);
916 vsscanf(fmt, "%i", args);}],
917 [],, [ac_c99_stdio=no])
918 AC_MSG_RESULT($ac_c99_stdio)
920 # Check for the existence in <stdlib.h> of lldiv_t, et. al.
922 AC_MSG_CHECKING([for lldiv_t declaration])
923 AC_CACHE_VAL(ac_c99_lldiv_t, [
924 AC_TRY_COMPILE([#include <stdlib.h>],
926 [ac_c99_lldiv_t=yes], [ac_c99_lldiv_t=no])
928 AC_MSG_RESULT($ac_c99_lldiv_t)
930 AC_MSG_CHECKING([for ISO C99 support in <stdlib.h>])
931 AC_TRY_COMPILE([#include <stdlib.h>],
932 [char* tmp; strtof("gnu", &tmp);],, [ac_c99_stdlib=no])
933 AC_TRY_COMPILE([#include <stdlib.h>],
934 [char* tmp; strtold("gnu", &tmp);],, [ac_c99_stdlib=no])
935 AC_TRY_COMPILE([#include <stdlib.h>], [llabs(10);],, [ac_c99_stdlib=no])
936 AC_TRY_COMPILE([#include <stdlib.h>], [lldiv(10,1);],, [ac_c99_stdlib=no])
937 AC_TRY_COMPILE([#include <stdlib.h>], [atoll("10");],, [ac_c99_stdlib=no])
938 AC_TRY_COMPILE([#include <stdlib.h>], [_Exit(0);],, [ac_c99_stdlib=no])
939 if test x"$ac_c99_lldiv_t" = x"no"; then
942 AC_MSG_RESULT($ac_c99_stdlib)
944 # Check for the existence of <wchar.h> functions used if C99 is enabled.
945 # XXX the wchar.h checks should be rolled into the general C99 bits.
947 AC_MSG_CHECKING([for additional ISO C99 support in <wchar.h>])
948 AC_TRY_COMPILE([#include <wchar.h>],
949 [wcstold(L"10.0", NULL);],, [ac_c99_wchar=no])
950 AC_TRY_COMPILE([#include <wchar.h>],
951 [wcstoll(L"10", NULL, 10);],, [ac_c99_wchar=no])
952 AC_TRY_COMPILE([#include <wchar.h>],
953 [wcstoull(L"10", NULL, 10);],, [ac_c99_wchar=no])
954 AC_MSG_RESULT($ac_c99_wchar)
956 AC_MSG_CHECKING([for enabled ISO C99 support])
957 if test x"$ac_c99_math" = x"no" ||
958 test x"$ac_c99_stdio" = x"no" ||
959 test x"$ac_c99_stdlib" = x"no" ||
960 test x"$ac_c99_wchar" = x"no"; then
963 AC_MSG_RESULT($enable_c99)
965 if test x"$ac_99_math" = x"yes"; then
966 AC_DEFINE(_GLIBCXX_USE_C99_MATH)
969 # Option parsed, now set things appropriately
970 if test x"$enable_c99" = x"yes"; then
971 AC_DEFINE(_GLIBCXX_USE_C99)
979 dnl Check for what type of C headers to use.
981 dnl --enable-cheaders= [does stuff].
982 dnl --disable-cheaders [does not do anything, really].
983 dnl + Usage: GLIBCXX_ENABLE_CHEADERS[(DEFAULT)]
984 dnl Where DEFAULT is either `c' or `c_std'.
986 AC_DEFUN(GLIBCXX_ENABLE_CHEADERS, [
987 GLIBCXX_ENABLE(cheaders,$1,[=KIND],
988 [construct "C" headers for g++], [permit c|c_std])
989 AC_MSG_NOTICE("C" header strategy set to $enable_cheaders)
991 C_INCLUDE_DIR='${glibcxx_srcdir}/include/'$enable_cheaders
993 AC_SUBST(C_INCLUDE_DIR)
994 GLIBCXX_CONDITIONAL(GLIBCXX_C_HEADERS_C, test $enable_cheaders = c)
995 GLIBCXX_CONDITIONAL(GLIBCXX_C_HEADERS_C_STD, test $enable_cheaders = c_std)
996 GLIBCXX_CONDITIONAL(GLIBCXX_C_HEADERS_COMPATIBILITY, test $c_compatibility = yes)
1001 dnl Check for which locale library to use. The choice is mapped to
1002 dnl a subdirectory of config/locale.
1004 dnl Default is generic.
1006 AC_DEFUN(GLIBCXX_ENABLE_CLOCALE, [
1007 AC_MSG_CHECKING([for C locale to use])
1008 GLIBCXX_ENABLE(clocale,auto,[@<:@=MODEL@:>@],
1009 [use MODEL for target locale package],
1010 [permit generic|gnu|ieee_1003.1-2001|yes|no|auto])
1012 # If they didn't use this option switch, or if they specified --enable
1013 # with no specific model, we'll have to look for one. If they
1014 # specified --disable (???), do likewise.
1015 if test $enable_clocale = no || test $enable_clocale = yes; then
1019 # Either a known package, or "auto"
1020 enable_clocale_flag=$enable_clocale
1022 # Probe for locale support if no specific model is specified.
1023 # Default to "generic".
1024 if test $enable_clocale_flag = auto; then
1025 case x${target_os} in
1026 xlinux* | xgnu* | xkfreebsd*-gnu | xknetbsd*-gnu)
1027 AC_EGREP_CPP([_GLIBCXX_ok], [
1028 #include <features.h>
1029 #if __GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 2)
1032 ], enable_clocale_flag=gnu, enable_clocale_flag=generic)
1034 # Test for bugs early in glibc-2.2.x series
1035 if test x$enable_clocale_flag = xgnu; then
1037 #define _GNU_SOURCE 1
1040 #if __GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ > 2)
1041 extern __typeof(newlocale) __newlocale;
1042 extern __typeof(duplocale) __duplocale;
1043 extern __typeof(strcoll_l) __strcoll_l;
1047 const char __one[] = "Äuglein Augmen";
1048 const char __two[] = "Äuglein";
1053 loc = __newlocale(1 << LC_ALL, "de_DE", 0);
1054 loc_dup = __duplocale(loc);
1055 i = __strcoll_l(__one, __two, loc);
1056 j = __strcoll_l(__one, __two, loc_dup);
1060 [enable_clocale_flag=gnu],[enable_clocale_flag=generic],
1061 [enable_clocale_flag=generic])
1064 # ... at some point put __strxfrm_l tests in as well.
1067 enable_clocale_flag=generic
1072 # Deal with gettext issues. Default to not using it (=no) until we detect
1073 # support for it later. Let the user turn it off via --e/d, but let that
1074 # default to on for easier handling.
1077 AC_HELP_STRING([--enable-nls],[use Native Language Support (default)]),
1081 # Set configure bits for specified locale package
1082 case ${enable_clocale_flag} in
1084 AC_MSG_RESULT(generic)
1086 CLOCALE_H=config/locale/generic/c_locale.h
1087 CLOCALE_CC=config/locale/generic/c_locale.cc
1088 CCODECVT_H=config/locale/generic/codecvt_specializations.h
1089 CCODECVT_CC=config/locale/generic/codecvt_members.cc
1090 CCOLLATE_CC=config/locale/generic/collate_members.cc
1091 CCTYPE_CC=config/locale/generic/ctype_members.cc
1092 CMESSAGES_H=config/locale/generic/messages_members.h
1093 CMESSAGES_CC=config/locale/generic/messages_members.cc
1094 CMONEY_CC=config/locale/generic/monetary_members.cc
1095 CNUMERIC_CC=config/locale/generic/numeric_members.cc
1096 CTIME_H=config/locale/generic/time_members.h
1097 CTIME_CC=config/locale/generic/time_members.cc
1098 CLOCALE_INTERNAL_H=config/locale/generic/c++locale_internal.h
1103 # Declare intention to use gettext, and add support for specific
1105 # For some reason, ALL_LINGUAS has to be before AM-GNU-GETTEXT
1108 # Don't call AM-GNU-GETTEXT here. Instead, assume glibc.
1109 AC_CHECK_PROG(check_msgfmt, msgfmt, yes, no)
1110 if test x"$check_msgfmt" = x"yes" && test x"$enable_nls" = x"yes"; then
1113 # Export the build objects.
1114 for ling in $ALL_LINGUAS; do \
1115 glibcxx_MOFILES="$glibcxx_MOFILES $ling.mo"; \
1116 glibcxx_POFILES="$glibcxx_POFILES $ling.po"; \
1118 AC_SUBST(glibcxx_MOFILES)
1119 AC_SUBST(glibcxx_POFILES)
1121 CLOCALE_H=config/locale/gnu/c_locale.h
1122 CLOCALE_CC=config/locale/gnu/c_locale.cc
1123 CCODECVT_H=config/locale/ieee_1003.1-2001/codecvt_specializations.h
1124 CCODECVT_CC=config/locale/gnu/codecvt_members.cc
1125 CCOLLATE_CC=config/locale/gnu/collate_members.cc
1126 CCTYPE_CC=config/locale/gnu/ctype_members.cc
1127 CMESSAGES_H=config/locale/gnu/messages_members.h
1128 CMESSAGES_CC=config/locale/gnu/messages_members.cc
1129 CMONEY_CC=config/locale/gnu/monetary_members.cc
1130 CNUMERIC_CC=config/locale/gnu/numeric_members.cc
1131 CTIME_H=config/locale/gnu/time_members.h
1132 CTIME_CC=config/locale/gnu/time_members.cc
1133 CLOCALE_INTERNAL_H=config/locale/gnu/c++locale_internal.h
1136 AC_MSG_RESULT(IEEE 1003.1)
1138 CLOCALE_H=config/locale/ieee_1003.1-2001/c_locale.h
1139 CLOCALE_CC=config/locale/ieee_1003.1-2001/c_locale.cc
1140 CCODECVT_H=config/locale/ieee_1003.1-2001/codecvt_specializations.h
1141 CCODECVT_CC=config/locale/generic/codecvt_members.cc
1142 CCOLLATE_CC=config/locale/generic/collate_members.cc
1143 CCTYPE_CC=config/locale/generic/ctype_members.cc
1144 CMESSAGES_H=config/locale/ieee_1003.1-2001/messages_members.h
1145 CMESSAGES_CC=config/locale/ieee_1003.1-2001/messages_members.cc
1146 CMONEY_CC=config/locale/generic/monetary_members.cc
1147 CNUMERIC_CC=config/locale/generic/numeric_members.cc
1148 CTIME_H=config/locale/generic/time_members.h
1149 CTIME_CC=config/locale/generic/time_members.cc
1150 CLOCALE_INTERNAL_H=config/locale/generic/c++locale_internal.h
1154 # This is where the testsuite looks for locale catalogs, using the
1155 # -DLOCALEDIR define during testsuite compilation.
1156 glibcxx_localedir=${glibcxx_builddir}/po/share/locale
1157 AC_SUBST(glibcxx_localedir)
1159 # A standalone libintl (e.g., GNU libintl) may be in use.
1160 if test $USE_NLS = yes; then
1161 AC_CHECK_HEADERS([libintl.h], [], USE_NLS=no)
1162 AC_SEARCH_LIBS(gettext, intl, [], USE_NLS=no)
1164 if test $USE_NLS = yes; then
1165 AC_DEFINE(_GLIBCXX_USE_NLS)
1170 AC_SUBST(CCODECVT_H)
1171 AC_SUBST(CMESSAGES_H)
1172 AC_SUBST(CCODECVT_CC)
1173 AC_SUBST(CCOLLATE_CC)
1175 AC_SUBST(CMESSAGES_CC)
1177 AC_SUBST(CNUMERIC_CC)
1180 AC_SUBST(CLOCALE_CC)
1181 AC_SUBST(CLOCALE_INTERNAL_H)
1186 dnl Check for whether the Boost-derived checks should be turned on.
1188 dnl --enable-concept-checks turns them on.
1189 dnl --disable-concept-checks leaves them off.
1190 dnl + Usage: GLIBCXX_ENABLE_CONCEPT_CHECKS[(DEFAULT)]
1191 dnl Where DEFAULT is either `yes' or `no'.
1193 AC_DEFUN(GLIBCXX_ENABLE_CONCEPT_CHECKS, [
1194 GLIBCXX_ENABLE(concept-checks,$1,,[use Boost-derived template checks])
1195 if test $enable_concept_checks = yes; then
1196 AC_DEFINE(_GLIBCXX_CONCEPT_CHECKS)
1202 dnl Check for which I/O library to use: stdio, or something specific.
1204 dnl Default is stdio.
1206 AC_DEFUN(GLIBCXX_ENABLE_CSTDIO, [
1207 AC_MSG_CHECKING([for underlying I/O to use])
1208 GLIBCXX_ENABLE(cstdio,stdio,[=PACKAGE],
1209 [use target-specific I/O package], [permit stdio])
1211 # Now that libio has been removed, you can have any color you want as long
1212 # as it's black. This is one big no-op until other packages are added, but
1213 # showing the framework never hurts.
1214 case ${enable_cstdio} in
1216 CSTDIO_H=config/io/c_io_stdio.h
1217 BASIC_FILE_H=config/io/basic_file_stdio.h
1218 BASIC_FILE_CC=config/io/basic_file_stdio.cc
1219 AC_MSG_RESULT(stdio)
1224 AC_SUBST(BASIC_FILE_H)
1225 AC_SUBST(BASIC_FILE_CC)
1230 dnl Check for "unusual" flags to pass to the compiler while building.
1232 dnl --enable-cxx-flags='-foo -bar -baz' is a general method for passing
1233 dnl experimental flags such as -fpch, -fIMI, -Dfloat=char, etc.
1234 dnl --disable-cxx-flags passes nothing.
1235 dnl + See http://gcc.gnu.org/ml/libstdc++/2000-q2/msg00131.html
1236 dnl http://gcc.gnu.org/ml/libstdc++/2000-q2/msg00284.html
1237 dnl http://gcc.gnu.org/ml/libstdc++/2000-q1/msg00035.html
1238 dnl + Usage: GLIBCXX_ENABLE_CXX_FLAGS(default flags)
1239 dnl If "default flags" is an empty string, the effect is the same
1240 dnl as --disable or --enable=no.
1242 AC_DEFUN(GLIBCXX_ENABLE_CXX_FLAGS, [dnl
1243 AC_MSG_CHECKING([for extra compiler flags for building])
1244 GLIBCXX_ENABLE(cxx-flags,$1,[=FLAGS],
1245 [pass compiler FLAGS when building library],
1246 [case "x$enable_cxx_flags" in
1247 xno | x) enable_cxx_flags= ;;
1249 *) AC_MSG_ERROR(_g_switch needs compiler flags as arguments) ;;
1252 # Run through flags (either default or command-line) and set anything
1253 # extra (e.g., #defines) that must accompany particular g++ options.
1254 if test -n "$enable_cxx_flags"; then
1255 for f in $enable_cxx_flags; do
1259 *) # and we're trying to pass /what/ exactly?
1260 AC_MSG_ERROR([compiler flags start with a -]) ;;
1265 EXTRA_CXX_FLAGS="$enable_cxx_flags"
1266 AC_MSG_RESULT($EXTRA_CXX_FLAGS)
1267 AC_SUBST(EXTRA_CXX_FLAGS)
1272 dnl Check for wide character support. Has the same effect as the option
1273 dnl in gcc's configure, but in a form that autoconf can mess with.
1275 dnl --enable-c-mbchar requests all the wchar_t stuff.
1276 dnl --disable-c-mbchar doesn't.
1277 dnl + Usage: GLIBCXX_ENABLE_C_MBCHAR[(DEFAULT)]
1278 dnl Where DEFAULT is either `yes' or `no'.
1280 AC_DEFUN(GLIBCXX_ENABLE_C_MBCHAR, [
1281 GLIBCXX_ENABLE(c-mbchar,$1,,[enable multibyte (wide) characters])
1282 # Option parsed, now other scripts can test enable_c_mbchar for yes/no.
1287 dnl Check to see if debugging libraries are to be built.
1289 dnl --enable-libstdcxx-debug
1290 dnl builds a separate set of debugging libraries in addition to the
1291 dnl normal (shared, static) libstdc++ binaries.
1293 dnl --disable-libstdcxx-debug
1294 dnl builds only one (non-debug) version of libstdc++.
1296 dnl --enable-libstdcxx-debug-flags=FLAGS
1297 dnl iff --enable-debug == yes, then use FLAGS to build the debug library.
1299 dnl + Usage: GLIBCXX_ENABLE_DEBUG[(DEFAULT)]
1300 dnl Where DEFAULT is either `yes' or `no'.
1302 AC_DEFUN(GLIBCXX_ENABLE_DEBUG, [
1303 AC_MSG_CHECKING([for additional debug build])
1304 GLIBCXX_ENABLE(libstdcxx-debug,$1,,[build extra debug library])
1305 AC_MSG_RESULT($enable_libstdcxx_debug)
1306 GLIBCXX_CONDITIONAL(GLIBCXX_BUILD_DEBUG, test $enable_libstdcxx_debug = yes)
1311 dnl Check for explicit debug flags.
1313 dnl --enable-libstdcxx-debug-flags='-O1'
1314 dnl is a general method for passing flags to be used when
1315 dnl building debug libraries with --enable-debug.
1317 dnl --disable-libstdcxx-debug-flags does nothing.
1318 dnl + Usage: GLIBCXX_ENABLE_DEBUG_FLAGS(default flags)
1319 dnl If "default flags" is an empty string, the effect is the same
1320 dnl as --disable or --enable=no.
1322 AC_DEFUN(GLIBCXX_ENABLE_DEBUG_FLAGS, [
1323 GLIBCXX_ENABLE(libstdcxx-debug-flags,[$1],[=FLAGS],
1324 [pass compiler FLAGS when building debug library],
1325 [case "x$enable_libstdcxx_debug_flags" in
1326 xno | x) enable_libstdcxx_debug_flags= ;;
1328 *) AC_MSG_ERROR(_g_switch needs compiler flags as arguments) ;;
1331 # Option parsed, now set things appropriately
1332 DEBUG_FLAGS="$enable_libstdcxx_debug_flags"
1333 AC_SUBST(DEBUG_FLAGS)
1335 AC_MSG_NOTICE([Debug build flags set to $DEBUG_FLAGS])
1340 dnl Check if the user only wants a freestanding library implementation.
1342 dnl --disable-hosted-libstdcxx will turn off most of the library build,
1343 dnl installing only the headers required by [17.4.1.3] and the language
1344 dnl support library. More than that will be built (to keep the Makefiles
1345 dnl conveniently clean), but not installed.
1348 dnl is_hosted (yes/no)
1351 dnl _GLIBCXX_HOSTED (always defined, either to 1 or 0)
1353 AC_DEFUN(GLIBCXX_ENABLE_HOSTED, [
1354 AC_ARG_ENABLE([hosted-libstdcxx],
1355 AC_HELP_STRING([--disable-hosted-libstdcxx],
1356 [only build freestanding C++ runtime support]),,
1357 [enable_hosted_libstdcxx=yes])
1358 if test "$enable_hosted_libstdcxx" = no; then
1359 AC_MSG_NOTICE([Only freestanding libraries will be built])
1363 enable_libstdcxx_pch=no
1368 GLIBCXX_CONDITIONAL(GLIBCXX_HOSTED, test $is_hosted = yes)
1369 AC_DEFINE_UNQUOTED(_GLIBCXX_HOSTED, $hosted_define,
1370 [Define to 1 if a full hosted library is built, or 0 if freestanding.])
1375 dnl Check for template specializations for the 'long long' type extension.
1376 dnl The result determines only whether 'long long' I/O is enabled; things
1377 dnl like numeric_limits<> specializations are always available.
1379 dnl --enable-long-long defines _GLIBCXX_USE_LONG_LONG
1380 dnl --disable-long-long leaves _GLIBCXX_USE_LONG_LONG undefined
1381 dnl + Usage: GLIBCXX_ENABLE_LONG_LONG[(DEFAULT)]
1382 dnl Where DEFAULT is either `yes' or `no'.
1383 dnl + If 'long long' stuff is not available, ignores DEFAULT and sets `no'.
1385 AC_DEFUN(GLIBCXX_ENABLE_LONG_LONG, [
1386 GLIBCXX_ENABLE(long-long,$1,,[enables I/O support for 'long long'])
1391 AC_MSG_CHECKING([for enabled long long I/O support])
1392 # iostreams require strtoll, strtoull to compile
1393 AC_TRY_COMPILE([#include <stdlib.h>],
1394 [char* tmp; strtoll("gnu", &tmp, 10);],,[enable_long_long=no])
1395 AC_TRY_COMPILE([#include <stdlib.h>],
1396 [char* tmp; strtoull("gnu", &tmp, 10);],,[enable_long_long=no])
1398 # Option parsed, now set things appropriately
1399 if test $enable_long_long = yes; then
1400 AC_DEFINE(_GLIBCXX_USE_LONG_LONG)
1402 AC_MSG_RESULT($enable_long_long)
1409 dnl Check to see if building and using a C++ precompiled header can be done.
1411 dnl --enable-libstdcxx-pch=yes
1412 dnl default, this shows intent to use stdc++.h.gch If it looks like it
1413 dnl may work, after some light-hearted attempts to puzzle out compiler
1414 dnl support, flip bits on in include/Makefile.am
1416 dnl --disable-libstdcxx-pch
1417 dnl turns off attempts to use or build stdc++.h.gch.
1420 dnl glibcxx_PCHFLAGS
1422 AC_DEFUN(GLIBCXX_ENABLE_PCH, [
1423 AC_MSG_CHECKING([for enabled PCH])
1424 GLIBCXX_ENABLE(libstdcxx-pch,$1,,[build pre-compiled libstdc++ headers])
1425 AC_MSG_RESULT([$enable_libstdcxx_pch])
1427 if test $enable_libstdcxx_pch = yes; then
1428 AC_CACHE_CHECK([for compiler with PCH support],
1429 [glibcxx_cv_prog_CXX_pch],
1430 [ac_save_CXXFLAGS="$CXXFLAGS"
1431 CXXFLAGS="$CXXFLAGS -Werror -Winvalid-pch -Wno-deprecated"
1434 echo '#include <math.h>' > conftest.h
1435 if $CXX $CXXFLAGS $CPPFLAGS -x c++-header conftest.h \
1436 -o conftest.h.gch 1>&5 2>&1 &&
1437 echo '#error "pch failed"' > conftest.h &&
1438 echo '#include "conftest.h"' > conftest.cc &&
1439 $CXX -c $CXXFLAGS $CPPFLAGS conftest.cc 1>&5 2>&1 ;
1441 glibcxx_cv_prog_CXX_pch=yes
1443 glibcxx_cv_prog_CXX_pch=no
1446 CXXFLAGS=$ac_save_CXXFLAGS
1449 enable_libstdcxx_pch=$glibcxx_cv_prog_CXX_pch
1452 GLIBCXX_CONDITIONAL(GLIBCXX_BUILD_PCH, test $enable_libstdcxx_pch = yes)
1453 if test $enable_libstdcxx_pch = yes; then
1454 glibcxx_PCHFLAGS="-include bits/stdc++.h"
1458 AC_SUBST(glibcxx_PCHFLAGS)
1463 dnl Check for exception handling support. If an explicit enable/disable
1464 dnl sjlj exceptions is given, we don't have to detect. Otherwise the
1465 dnl target may or may not support call frame exceptions.
1467 dnl --enable-sjlj-exceptions forces the use of builtin setjmp.
1468 dnl --disable-sjlj-exceptions forces the use of call frame unwinding.
1469 dnl Neither one forces an attempt at detection.
1472 dnl _GLIBCXX_SJLJ_EXCEPTIONS if the compiler is configured for it
1474 AC_DEFUN(GLIBCXX_ENABLE_SJLJ_EXCEPTIONS, [
1475 AC_MSG_CHECKING([for exception model to use])
1478 GLIBCXX_ENABLE(sjlj-exceptions,auto,,
1479 [force use of builtin_setjmp for exceptions],
1480 [permit yes|no|auto])
1482 if test $enable_sjlj_exceptions = auto; then
1483 # Botheration. Now we've got to detect the exception model. Link tests
1484 # against libgcc.a are problematic since we've not been given proper -L
1485 # bits for single-tree newlib and libgloss.
1487 # Fake what AC_TRY_COMPILE does. XXX Look at redoing this new-style.
1488 cat > conftest.$ac_ext << EOF
1489 [#]line __oline__ "configure"
1498 old_CXXFLAGS="$CXXFLAGS"
1500 if AC_TRY_EVAL(ac_compile); then
1501 if grep _Unwind_SjLj_Resume conftest.s >/dev/null 2>&1 ; then
1502 enable_sjlj_exceptions=yes
1503 elif grep _Unwind_Resume conftest.s >/dev/null 2>&1 ; then
1504 enable_sjlj_exceptions=no
1507 CXXFLAGS="$old_CXXFLAGS"
1511 # This is a tad weird, for hysterical raisins. We have to map enable/disable
1512 # to two different models.
1513 case $enable_sjlj_exceptions in
1515 AC_DEFINE(_GLIBCXX_SJLJ_EXCEPTIONS, 1,
1516 [Define if the compiler is configured for setjmp/longjmp exceptions.])
1517 ac_exception_model_name=sjlj
1520 ac_exception_model_name="call frame"
1523 AC_MSG_ERROR([unable to detect exception model])
1527 AC_MSG_RESULT($ac_exception_model_name)
1532 dnl Add version tags to symbols in shared library (or not), additionally
1533 dnl marking other symbols as private/local (or not).
1535 dnl --enable-symvers=style adds a version script to the linker call when
1536 dnl creating the shared library. The choice of version script is
1537 dnl controlled by 'style'.
1538 dnl --disable-symvers does not.
1539 dnl + Usage: GLIBCXX_ENABLE_SYMVERS[(DEFAULT)]
1540 dnl Where DEFAULT is either 'yes' or 'no'. Passing `yes' tries to
1541 dnl choose a default style based on linker characteristics. Passing
1542 dnl 'no' disables versioning.
1544 AC_DEFUN(GLIBCXX_ENABLE_SYMVERS, [
1546 GLIBCXX_ENABLE(symvers,$1,[=STYLE],
1547 [enables symbol versioning of the shared library],
1548 [permit yes|no|gnu])
1550 # If we never went through the GLIBCXX_CHECK_LINKER_FEATURES macro, then we
1551 # don't know enough about $LD to do tricks...
1552 AC_REQUIRE([GLIBCXX_CHECK_LINKER_FEATURES])
1553 # FIXME The following test is too strict, in theory.
1554 if test $enable_shared = no ||
1556 test x$glibcxx_gnu_ld_version = x; then
1560 # Check to see if libgcc_s exists, indicating that shared libgcc is possible.
1561 if test $enable_symvers != no; then
1562 AC_MSG_CHECKING([for shared libgcc])
1563 ac_save_CFLAGS="$CFLAGS"
1565 AC_TRY_LINK(, [return 0;], glibcxx_shared_libgcc=yes, glibcxx_shared_libgcc=no)
1566 CFLAGS="$ac_save_CFLAGS"
1567 AC_MSG_RESULT($glibcxx_shared_libgcc)
1570 # For GNU ld, we need at least this version. The format is described in
1571 # GLIBCXX_CHECK_LINKER_FEATURES above.
1572 glibcxx_min_gnu_ld_version=21400
1573 # XXXXXXXXXXX glibcxx_gnu_ld_version=21390
1575 # Check to see if unspecified "yes" value can win, given results above.
1576 # Change "yes" into either "no" or a style name.
1577 if test $enable_symvers = yes; then
1578 if test $with_gnu_ld = yes &&
1579 test $glibcxx_shared_libgcc = yes;
1581 if test $glibcxx_gnu_ld_version -ge $glibcxx_min_gnu_ld_version ; then
1584 # The right tools, the right setup, but too old. Fallbacks?
1585 AC_MSG_WARN(=== Linker version $glibcxx_gnu_ld_version is too old for)
1586 AC_MSG_WARN(=== full symbol versioning support in this release of GCC.)
1587 AC_MSG_WARN(=== You would need to upgrade your binutils to version)
1588 AC_MSG_WARN(=== $glibcxx_min_gnu_ld_version or later and rebuild GCC.)
1589 if test $glibcxx_gnu_ld_version -ge 21200 ; then
1590 # Globbing fix is present, proper block support is not.
1591 dnl AC_MSG_WARN([=== Dude, you are soooo close. Maybe we can fake it.])
1592 dnl enable_symvers=???
1593 AC_MSG_WARN([=== Symbol versioning will be disabled.])
1597 AC_MSG_WARN([=== Symbol versioning will be disabled.])
1603 AC_MSG_WARN([=== You have requested some kind of symbol versioning, but])
1604 AC_MSG_WARN([=== either you are not using a supported linker, or you are])
1605 AC_MSG_WARN([=== not building a shared libgcc_s (which is required).])
1606 AC_MSG_WARN([=== Symbol versioning will be disabled.])
1611 # Everything parsed; figure out what file to use.
1612 case $enable_symvers in
1614 SYMVER_MAP=config/linker-map.dummy
1617 SYMVER_MAP=config/linker-map.gnu
1618 AC_DEFINE(_GLIBCXX_SYMVER)
1622 AC_SUBST(SYMVER_MAP)
1623 AC_SUBST(port_specific_symbol_files)
1624 GLIBCXX_CONDITIONAL(GLIBCXX_BUILD_VERSIONED_SHLIB, test $enable_symvers != no)
1625 AC_MSG_NOTICE(versioning on shared library symbols is $enable_symvers)
1630 dnl Setup to use the gcc gthr.h thread-specific memory and mutex model.
1631 dnl We must stage the required headers so that they will be installed
1632 dnl with the library (unlike libgcc, the STL implementation is provided
1633 dnl solely within headers). Since we must not inject random user-space
1634 dnl macro names into user-provided C++ code, we first stage into <file>-in
1635 dnl and process to <file> with an output command. The reason for a two-
1636 dnl stage process here is to correctly handle $srcdir!=$objdir without
1637 dnl having to write complex code (the sed commands to clean the macro
1638 dnl namespace are complex and fragile enough as it is). We must also
1639 dnl add a relative path so that -I- is supported properly.
1642 dnl glibcxx_thread_h
1645 dnl HAVE_GTHR_DEFAULT
1646 dnl _GLIBCXX_SUPPORTS_WEAK
1648 AC_DEFUN(GLIBCXX_ENABLE_THREADS, [
1649 AC_MSG_CHECKING([for thread model used by GCC])
1650 target_thread_file=`$CXX -v 2>&1 | sed -n 's/^Thread model: //p'`
1651 AC_MSG_RESULT([$target_thread_file])
1653 if test $target_thread_file != single; then
1654 AC_DEFINE(HAVE_GTHR_DEFAULT)
1655 AC_DEFINE(_GLIBCXX_SUPPORTS_WEAK, __GXX_WEAK__)
1658 glibcxx_thread_h=gthr-$target_thread_file.h
1659 AC_SUBST(glibcxx_thread_h)
1663 # Check whether LC_MESSAGES is available in <locale.h>.
1664 # Ulrich Drepper <drepper@cygnus.com>, 1995.
1666 # This file file be copied and used freely without restrictions. It can
1667 # be used in projects which are not available under the GNU Public License
1668 # but which still want to provide support for the GNU gettext functionality.
1669 # Please note that the actual code is *not* freely available.
1672 AC_DEFUN(AC_LC_MESSAGES, [
1673 AC_CHECK_HEADER(locale.h, [
1674 AC_CACHE_CHECK([for LC_MESSAGES], ac_cv_val_LC_MESSAGES,
1675 [AC_TRY_LINK([#include <locale.h>], [return LC_MESSAGES],
1676 ac_cv_val_LC_MESSAGES=yes, ac_cv_val_LC_MESSAGES=no)])
1677 if test $ac_cv_val_LC_MESSAGES = yes; then
1678 AC_DEFINE(HAVE_LC_MESSAGES)
1684 sinclude([../libtool.m4])
1685 dnl The lines below arrange for aclocal not to bring an installed
1686 dnl libtool.m4 into aclocal.m4, while still arranging for automake to
1687 dnl add a definition of LIBTOOL to Makefile.in.
1688 ifelse(,,,[AC_SUBST(LIBTOOL)
1689 AC_DEFUN([AM_PROG_LIBTOOL])
1690 AC_DEFUN([AC_LIBTOOL_DLOPEN])
1691 AC_DEFUN([AC_PROG_LD])
1694 dnl vim:et:ts=2:sw=2
1696 # AM_CONDITIONAL -*- Autoconf -*-
1698 # Copyright 1997, 2000, 2001 Free Software Foundation, Inc.
1700 # This program is free software; you can redistribute it and/or modify
1701 # it under the terms of the GNU General Public License as published by
1702 # the Free Software Foundation; either version 2, or (at your option)
1703 # any later version.
1705 # This program is distributed in the hope that it will be useful,
1706 # but WITHOUT ANY WARRANTY; without even the implied warranty of
1707 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
1708 # GNU General Public License for more details.
1710 # You should have received a copy of the GNU General Public License
1711 # along with this program; if not, write to the Free Software
1712 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
1719 # AM_CONDITIONAL(NAME, SHELL-CONDITION)
1720 # -------------------------------------
1721 # Define a conditional.
1722 AC_DEFUN([AM_CONDITIONAL],
1723 [ifelse([$1], [TRUE], [AC_FATAL([$0: invalid condition: $1])],
1724 [$1], [FALSE], [AC_FATAL([$0: invalid condition: $1])])dnl
1726 AC_SUBST([$1_FALSE])
1734 AC_CONFIG_COMMANDS_PRE(
1735 [if test -z "${$1_TRUE}" && test -z "${$1_FALSE}"; then
1736 AC_MSG_ERROR([conditional "$1" was never defined.
1737 Usually this means the macro was only invoked conditionally.])
1740 # Copyright 1998, 1999, 2000, 2001 Free Software Foundation, Inc.
1742 # This program is free software; you can redistribute it and/or modify
1743 # it under the terms of the GNU General Public License as published by
1744 # the Free Software Foundation; either version 2, or (at your option)
1745 # any later version.
1747 # This program is distributed in the hope that it will be useful,
1748 # but WITHOUT ANY WARRANTY; without even the implied warranty of
1749 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
1750 # GNU General Public License for more details.
1752 # You should have received a copy of the GNU General Public License
1753 # along with this program; if not, write to the Free Software
1754 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
1759 # AM_ENABLE_MULTILIB([MAKEFILE], [REL-TO-TOP-SRCDIR])
1760 # ---------------------------------------------------
1761 # Add --enable-multilib to configure.
1762 AC_DEFUN([AM_ENABLE_MULTILIB],
1763 [# Default to --enable-multilib
1764 AC_ARG_ENABLE(multilib,
1765 [ --enable-multilib build many library versions (default)],
1766 [case "$enableval" in
1767 yes) multilib=yes ;;
1769 *) AC_MSG_ERROR([bad value $enableval for multilib option]) ;;
1773 # We may get other options which we leave undocumented:
1774 # --with-target-subdir, --with-multisrctop, --with-multisubdir
1775 # See config-ml.in if you want the gory details.
1777 if test "$srcdir" = "."; then
1778 if test "$with_target_subdir" != "."; then
1779 multi_basedir="$srcdir/$with_multisrctop../$2"
1781 multi_basedir="$srcdir/$with_multisrctop$2"
1784 multi_basedir="$srcdir/$2"
1786 AC_SUBST(multi_basedir)
1788 AC_OUTPUT_COMMANDS([
1789 # Only add multilib support code if we just rebuilt the top-level
1791 case " $CONFIG_FILES " in
1792 *" ]m4_default([$1],Makefile)[ "*)
1793 ac_file=]m4_default([$1],Makefile)[ . ${multi_basedir}/config-ml.in
1800 with_multisubdir="$with_multisubdir"
1801 with_multisrctop="$with_multisrctop"
1802 with_target_subdir="$with_target_subdir"
1803 ac_configure_args="${multilib_arg} ${ac_configure_args}"
1804 multi_basedir="$multi_basedir"
1805 CONFIG_SHELL=${CONFIG_SHELL-/bin/sh}
1808 # Add --enable-maintainer-mode option to configure.
1811 # Copyright 1996, 1998, 2000, 2001, 2002 Free Software Foundation, Inc.
1813 # This program is free software; you can redistribute it and/or modify
1814 # it under the terms of the GNU General Public License as published by
1815 # the Free Software Foundation; either version 2, or (at your option)
1816 # any later version.
1818 # This program is distributed in the hope that it will be useful,
1819 # but WITHOUT ANY WARRANTY; without even the implied warranty of
1820 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
1821 # GNU General Public License for more details.
1823 # You should have received a copy of the GNU General Public License
1824 # along with this program; if not, write to the Free Software
1825 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
1830 AC_DEFUN([AM_MAINTAINER_MODE],
1831 [AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
1832 dnl maintainer-mode is disabled by default
1833 AC_ARG_ENABLE(maintainer-mode,
1834 [ --enable-maintainer-mode enable make rules and dependencies not useful
1835 (and sometimes confusing) to the casual installer],
1836 USE_MAINTAINER_MODE=$enableval,
1837 USE_MAINTAINER_MODE=no)
1838 AC_MSG_RESULT([$USE_MAINTAINER_MODE])
1839 AM_CONDITIONAL(MAINTAINER_MODE, [test $USE_MAINTAINER_MODE = yes])
1840 MAINT=$MAINTAINER_MODE_TRUE
1845 AU_DEFUN([jm_MAINTAINER_MODE], [AM_MAINTAINER_MODE])
1847 # Do all the work for Automake. -*- Autoconf -*-
1849 # This macro actually does too much some checks are only needed if
1850 # your package does certain things. But this isn't really a big deal.
1852 # Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003
1853 # Free Software Foundation, Inc.
1855 # This program is free software; you can redistribute it and/or modify
1856 # it under the terms of the GNU General Public License as published by
1857 # the Free Software Foundation; either version 2, or (at your option)
1858 # any later version.
1860 # This program is distributed in the hope that it will be useful,
1861 # but WITHOUT ANY WARRANTY; without even the implied warranty of
1862 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
1863 # GNU General Public License for more details.
1865 # You should have received a copy of the GNU General Public License
1866 # along with this program; if not, write to the Free Software
1867 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
1874 # Autoconf 2.50 wants to disallow AM_ names. We explicitly allow
1875 # the ones we care about.
1876 m4_pattern_allow([^AM_[A-Z]+FLAGS$])dnl
1878 # AM_INIT_AUTOMAKE(PACKAGE, VERSION, [NO-DEFINE])
1879 # AM_INIT_AUTOMAKE([OPTIONS])
1880 # -----------------------------------------------
1881 # The call with PACKAGE and VERSION arguments is the old style
1882 # call (pre autoconf-2.50), which is being phased out. PACKAGE
1883 # and VERSION should now be passed to AC_INIT and removed from
1884 # the call to AM_INIT_AUTOMAKE.
1885 # We support both call styles for the transition. After
1886 # the next Automake release, Autoconf can make the AC_INIT
1887 # arguments mandatory, and then we can depend on a new Autoconf
1888 # release and drop the old call support.
1889 AC_DEFUN([AM_INIT_AUTOMAKE],
1890 [AC_REQUIRE([AM_SET_CURRENT_AUTOMAKE_VERSION])dnl
1891 AC_REQUIRE([AC_PROG_INSTALL])dnl
1892 # test to see if srcdir already configured
1893 if test "`cd $srcdir && pwd`" != "`pwd`" &&
1894 test -f $srcdir/config.status; then
1895 AC_MSG_ERROR([source directory already configured; run "make distclean" there first])
1898 # test whether we have cygpath
1899 if test -z "$CYGPATH_W"; then
1900 if (cygpath --version) >/dev/null 2>/dev/null; then
1901 CYGPATH_W='cygpath -w'
1906 AC_SUBST([CYGPATH_W])
1908 # Define the identity of the package.
1909 dnl Distinguish between old-style and new-style calls.
1911 [m4_ifval([$3], [_AM_SET_OPTION([no-define])])dnl
1912 AC_SUBST([PACKAGE], [$1])dnl
1913 AC_SUBST([VERSION], [$2])],
1914 [_AM_SET_OPTIONS([$1])dnl
1915 AC_SUBST([PACKAGE], ['AC_PACKAGE_TARNAME'])dnl
1916 AC_SUBST([VERSION], ['AC_PACKAGE_VERSION'])])dnl
1918 _AM_IF_OPTION([no-define],,
1919 [AC_DEFINE_UNQUOTED(PACKAGE, "$PACKAGE", [Name of package])
1920 AC_DEFINE_UNQUOTED(VERSION, "$VERSION", [Version number of package])])dnl
1922 # Some tools Automake needs.
1923 AC_REQUIRE([AM_SANITY_CHECK])dnl
1924 AC_REQUIRE([AC_ARG_PROGRAM])dnl
1925 AM_MISSING_PROG(ACLOCAL, aclocal-${am__api_version})
1926 AM_MISSING_PROG(AUTOCONF, autoconf)
1927 AM_MISSING_PROG(AUTOMAKE, automake-${am__api_version})
1928 AM_MISSING_PROG(AUTOHEADER, autoheader)
1929 AM_MISSING_PROG(MAKEINFO, makeinfo)
1930 AM_MISSING_PROG(AMTAR, tar)
1932 AM_PROG_INSTALL_STRIP
1933 # We need awk for the "check" target. The system "awk" is bad on
1935 AC_REQUIRE([AC_PROG_AWK])dnl
1936 AC_REQUIRE([AC_PROG_MAKE_SET])dnl
1937 AC_REQUIRE([AM_SET_LEADING_DOT])dnl
1939 _AM_IF_OPTION([no-dependencies],,
1940 [AC_PROVIDE_IFELSE([AC_PROG_CC],
1941 [_AM_DEPENDENCIES(CC)],
1942 [define([AC_PROG_CC],
1943 defn([AC_PROG_CC])[_AM_DEPENDENCIES(CC)])])dnl
1944 AC_PROVIDE_IFELSE([AC_PROG_CXX],
1945 [_AM_DEPENDENCIES(CXX)],
1946 [define([AC_PROG_CXX],
1947 defn([AC_PROG_CXX])[_AM_DEPENDENCIES(CXX)])])dnl
1952 # When config.status generates a header, we must update the stamp-h file.
1953 # This file resides in the same directory as the config header
1954 # that is generated. The stamp files are numbered to have different names.
1956 # Autoconf calls _AC_AM_CONFIG_HEADER_HOOK (when defined) in the
1957 # loop where config.status creates the headers, so we can generate
1958 # our stamp files there.
1959 AC_DEFUN([_AC_AM_CONFIG_HEADER_HOOK],
1960 [# Compute $1's index in $config_headers.
1962 for _am_header in $config_headers :; do
1967 _am_stamp_count=`expr $_am_stamp_count + 1` ;;
1970 echo "timestamp for $1" >`AS_DIRNAME([$1])`/stamp-h[]$_am_stamp_count])
1972 # Copyright 2002 Free Software Foundation, Inc.
1974 # This program is free software; you can redistribute it and/or modify
1975 # it under the terms of the GNU General Public License as published by
1976 # the Free Software Foundation; either version 2, or (at your option)
1977 # any later version.
1979 # This program is distributed in the hope that it will be useful,
1980 # but WITHOUT ANY WARRANTY; without even the implied warranty of
1981 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
1982 # GNU General Public License for more details.
1984 # You should have received a copy of the GNU General Public License
1985 # along with this program; if not, write to the Free Software
1986 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
1988 # AM_AUTOMAKE_VERSION(VERSION)
1989 # ----------------------------
1990 # Automake X.Y traces this macro to ensure aclocal.m4 has been
1991 # generated from the m4 files accompanying Automake X.Y.
1992 AC_DEFUN([AM_AUTOMAKE_VERSION],[am__api_version="1.7"])
1994 # AM_SET_CURRENT_AUTOMAKE_VERSION
1995 # -------------------------------
1996 # Call AM_AUTOMAKE_VERSION so it can be traced.
1997 # This function is AC_REQUIREd by AC_INIT_AUTOMAKE.
1998 AC_DEFUN([AM_SET_CURRENT_AUTOMAKE_VERSION],
1999 [AM_AUTOMAKE_VERSION([1.7.8])])
2001 # Helper functions for option handling. -*- Autoconf -*-
2003 # Copyright 2001, 2002 Free Software Foundation, Inc.
2005 # This program is free software; you can redistribute it and/or modify
2006 # it under the terms of the GNU General Public License as published by
2007 # the Free Software Foundation; either version 2, or (at your option)
2008 # any later version.
2010 # This program is distributed in the hope that it will be useful,
2011 # but WITHOUT ANY WARRANTY; without even the implied warranty of
2012 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
2013 # GNU General Public License for more details.
2015 # You should have received a copy of the GNU General Public License
2016 # along with this program; if not, write to the Free Software
2017 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
2022 # _AM_MANGLE_OPTION(NAME)
2023 # -----------------------
2024 AC_DEFUN([_AM_MANGLE_OPTION],
2025 [[_AM_OPTION_]m4_bpatsubst($1, [[^a-zA-Z0-9_]], [_])])
2027 # _AM_SET_OPTION(NAME)
2028 # ------------------------------
2029 # Set option NAME. Presently that only means defining a flag for this option.
2030 AC_DEFUN([_AM_SET_OPTION],
2031 [m4_define(_AM_MANGLE_OPTION([$1]), 1)])
2033 # _AM_SET_OPTIONS(OPTIONS)
2034 # ----------------------------------
2035 # OPTIONS is a space-separated list of Automake options.
2036 AC_DEFUN([_AM_SET_OPTIONS],
2037 [AC_FOREACH([_AM_Option], [$1], [_AM_SET_OPTION(_AM_Option)])])
2039 # _AM_IF_OPTION(OPTION, IF-SET, [IF-NOT-SET])
2040 # -------------------------------------------
2041 # Execute IF-SET if OPTION is set, IF-NOT-SET otherwise.
2042 AC_DEFUN([_AM_IF_OPTION],
2043 [m4_ifset(_AM_MANGLE_OPTION([$1]), [$2], [$3])])
2046 # Check to make sure that the build environment is sane.
2049 # Copyright 1996, 1997, 2000, 2001 Free Software Foundation, Inc.
2051 # This program is free software; you can redistribute it and/or modify
2052 # it under the terms of the GNU General Public License as published by
2053 # the Free Software Foundation; either version 2, or (at your option)
2054 # any later version.
2056 # This program is distributed in the hope that it will be useful,
2057 # but WITHOUT ANY WARRANTY; without even the implied warranty of
2058 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
2059 # GNU General Public License for more details.
2061 # You should have received a copy of the GNU General Public License
2062 # along with this program; if not, write to the Free Software
2063 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
2070 AC_DEFUN([AM_SANITY_CHECK],
2071 [AC_MSG_CHECKING([whether build environment is sane])
2074 echo timestamp > conftest.file
2075 # Do `set' in a subshell so we don't clobber the current shell's
2076 # arguments. Must try -L first in case configure is actually a
2077 # symlink; some systems play weird games with the mod time of symlinks
2078 # (eg FreeBSD returns the mod time of the symlink's containing
2081 set X `ls -Lt $srcdir/configure conftest.file 2> /dev/null`
2082 if test "$[*]" = "X"; then
2084 set X `ls -t $srcdir/configure conftest.file`
2087 if test "$[*]" != "X $srcdir/configure conftest.file" \
2088 && test "$[*]" != "X conftest.file $srcdir/configure"; then
2090 # If neither matched, then we have a broken ls. This can happen
2091 # if, for instance, CONFIG_SHELL is bash and it inherits a
2092 # broken ls alias from the environment. This has actually
2093 # happened. Such a system could not be considered "sane".
2094 AC_MSG_ERROR([ls -t appears to fail. Make sure there is not a broken
2095 alias in your environment])
2098 test "$[2]" = conftest.file
2104 AC_MSG_ERROR([newly created file is older than distributed files!
2105 Check your system clock])
2107 AC_MSG_RESULT(yes)])
2112 # Copyright 1997, 1999, 2000, 2001 Free Software Foundation, Inc.
2114 # This program is free software; you can redistribute it and/or modify
2115 # it under the terms of the GNU General Public License as published by
2116 # the Free Software Foundation; either version 2, or (at your option)
2117 # any later version.
2119 # This program is distributed in the hope that it will be useful,
2120 # but WITHOUT ANY WARRANTY; without even the implied warranty of
2121 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
2122 # GNU General Public License for more details.
2124 # You should have received a copy of the GNU General Public License
2125 # along with this program; if not, write to the Free Software
2126 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
2131 # AM_MISSING_PROG(NAME, PROGRAM)
2132 # ------------------------------
2133 AC_DEFUN([AM_MISSING_PROG],
2134 [AC_REQUIRE([AM_MISSING_HAS_RUN])
2135 $1=${$1-"${am_missing_run}$2"}
2139 # AM_MISSING_HAS_RUN
2140 # ------------------
2141 # Define MISSING if not defined so far and test if it supports --run.
2142 # If it does, set am_missing_run to use it, otherwise, to nothing.
2143 AC_DEFUN([AM_MISSING_HAS_RUN],
2144 [AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl
2145 test x"${MISSING+set}" = xset || MISSING="\${SHELL} $am_aux_dir/missing"
2146 # Use eval to expand $SHELL
2147 if eval "$MISSING --run true"; then
2148 am_missing_run="$MISSING --run "
2151 AC_MSG_WARN([`missing' script is too old or missing])
2157 # Copyright 2001 Free Software Foundation, Inc.
2159 # This program is free software; you can redistribute it and/or modify
2160 # it under the terms of the GNU General Public License as published by
2161 # the Free Software Foundation; either version 2, or (at your option)
2162 # any later version.
2164 # This program is distributed in the hope that it will be useful,
2165 # but WITHOUT ANY WARRANTY; without even the implied warranty of
2166 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
2167 # GNU General Public License for more details.
2169 # You should have received a copy of the GNU General Public License
2170 # along with this program; if not, write to the Free Software
2171 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
2174 # For projects using AC_CONFIG_AUX_DIR([foo]), Autoconf sets
2175 # $ac_aux_dir to `$srcdir/foo'. In other projects, it is set to
2176 # `$srcdir', `$srcdir/..', or `$srcdir/../..'.
2178 # Of course, Automake must honor this variable whenever it calls a
2179 # tool from the auxiliary directory. The problem is that $srcdir (and
2180 # therefore $ac_aux_dir as well) can be either absolute or relative,
2181 # depending on how configure is run. This is pretty annoying, since
2182 # it makes $ac_aux_dir quite unusable in subdirectories: in the top
2183 # source directory, any form will work fine, but in subdirectories a
2184 # relative path needs to be adjusted first.
2186 # $ac_aux_dir/missing
2187 # fails when called from a subdirectory if $ac_aux_dir is relative
2188 # $top_srcdir/$ac_aux_dir/missing
2189 # fails if $ac_aux_dir is absolute,
2190 # fails when called from a subdirectory in a VPATH build with
2191 # a relative $ac_aux_dir
2193 # The reason of the latter failure is that $top_srcdir and $ac_aux_dir
2194 # are both prefixed by $srcdir. In an in-source build this is usually
2195 # harmless because $srcdir is `.', but things will broke when you
2196 # start a VPATH build or use an absolute $srcdir.
2198 # So we could use something similar to $top_srcdir/$ac_aux_dir/missing,
2199 # iff we strip the leading $srcdir from $ac_aux_dir. That would be:
2200 # am_aux_dir='\$(top_srcdir)/'`expr "$ac_aux_dir" : "$srcdir//*\(.*\)"`
2201 # and then we would define $MISSING as
2202 # MISSING="\${SHELL} $am_aux_dir/missing"
2203 # This will work as long as MISSING is not called from configure, because
2204 # unfortunately $(top_srcdir) has no meaning in configure.
2205 # However there are other variables, like CC, which are often used in
2206 # configure, and could therefore not use this "fixed" $ac_aux_dir.
2208 # Another solution, used here, is to always expand $ac_aux_dir to an
2209 # absolute PATH. The drawback is that using absolute paths prevent a
2210 # configured tree to be moved without reconfiguration.
2212 # Rely on autoconf to set up CDPATH properly.
2215 AC_DEFUN([AM_AUX_DIR_EXPAND], [
2216 # expand $ac_aux_dir to an absolute path
2217 am_aux_dir=`cd $ac_aux_dir && pwd`
2220 # AM_PROG_INSTALL_SH
2221 # ------------------
2222 # Define $install_sh.
2224 # Copyright 2001 Free Software Foundation, Inc.
2226 # This program is free software; you can redistribute it and/or modify
2227 # it under the terms of the GNU General Public License as published by
2228 # the Free Software Foundation; either version 2, or (at your option)
2229 # any later version.
2231 # This program is distributed in the hope that it will be useful,
2232 # but WITHOUT ANY WARRANTY; without even the implied warranty of
2233 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
2234 # GNU General Public License for more details.
2236 # You should have received a copy of the GNU General Public License
2237 # along with this program; if not, write to the Free Software
2238 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
2241 AC_DEFUN([AM_PROG_INSTALL_SH],
2242 [AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl
2243 install_sh=${install_sh-"$am_aux_dir/install-sh"}
2244 AC_SUBST(install_sh)])
2246 # AM_PROG_INSTALL_STRIP
2248 # Copyright 2001 Free Software Foundation, Inc.
2250 # This program is free software; you can redistribute it and/or modify
2251 # it under the terms of the GNU General Public License as published by
2252 # the Free Software Foundation; either version 2, or (at your option)
2253 # any later version.
2255 # This program is distributed in the hope that it will be useful,
2256 # but WITHOUT ANY WARRANTY; without even the implied warranty of
2257 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
2258 # GNU General Public License for more details.
2260 # You should have received a copy of the GNU General Public License
2261 # along with this program; if not, write to the Free Software
2262 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
2265 # One issue with vendor `install' (even GNU) is that you can't
2266 # specify the program used to strip binaries. This is especially
2267 # annoying in cross-compiling environments, where the build's strip
2268 # is unlikely to handle the host's binaries.
2269 # Fortunately install-sh will honor a STRIPPROG variable, so we
2270 # always use install-sh in `make install-strip', and initialize
2271 # STRIPPROG with the value of the STRIP variable (set by the user).
2272 AC_DEFUN([AM_PROG_INSTALL_STRIP],
2273 [AC_REQUIRE([AM_PROG_INSTALL_SH])dnl
2274 # Installed binaries are usually stripped using `strip' when the user
2275 # run `make install-strip'. However `strip' might not be the right
2276 # tool to use in cross-compilation environments, therefore Automake
2277 # will honor the `STRIP' environment variable to overrule this program.
2278 dnl Don't test for $cross_compiling = yes, because it might be `maybe'.
2279 if test "$cross_compiling" != no; then
2280 AC_CHECK_TOOL([STRIP], [strip], :)
2282 INSTALL_STRIP_PROGRAM="\${SHELL} \$(install_sh) -c -s"
2283 AC_SUBST([INSTALL_STRIP_PROGRAM])])
2286 # Copyright (C) 2003 Free Software Foundation, Inc.
2288 # This program is free software; you can redistribute it and/or modify
2289 # it under the terms of the GNU General Public License as published by
2290 # the Free Software Foundation; either version 2, or (at your option)
2291 # any later version.
2293 # This program is distributed in the hope that it will be useful,
2294 # but WITHOUT ANY WARRANTY; without even the implied warranty of
2295 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
2296 # GNU General Public License for more details.
2298 # You should have received a copy of the GNU General Public License
2299 # along with this program; if not, write to the Free Software
2300 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
2305 # Check whether the underlying file-system supports filenames
2306 # with a leading dot. For instance MS-DOS doesn't.
2307 AC_DEFUN([AM_SET_LEADING_DOT],
2308 [rm -rf .tst 2>/dev/null
2309 mkdir .tst 2>/dev/null
2310 if test -d .tst; then
2315 rmdir .tst 2>/dev/null
2316 AC_SUBST([am__leading_dot])])
2318 # serial 5 -*- Autoconf -*-
2320 # Copyright (C) 1999, 2000, 2001, 2002, 2003 Free Software Foundation, Inc.
2322 # This program is free software; you can redistribute it and/or modify
2323 # it under the terms of the GNU General Public License as published by
2324 # the Free Software Foundation; either version 2, or (at your option)
2325 # any later version.
2327 # This program is distributed in the hope that it will be useful,
2328 # but WITHOUT ANY WARRANTY; without even the implied warranty of
2329 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
2330 # GNU General Public License for more details.
2332 # You should have received a copy of the GNU General Public License
2333 # along with this program; if not, write to the Free Software
2334 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
2338 # There are a few dirty hacks below to avoid letting `AC_PROG_CC' be
2339 # written in clear, in which case automake, when reading aclocal.m4,
2340 # will think it sees a *use*, and therefore will trigger all it's
2341 # C support machinery. Also note that it means that autoscan, seeing
2342 # CC etc. in the Makefile, will ask for an AC_PROG_CC use...
2346 # _AM_DEPENDENCIES(NAME)
2347 # ----------------------
2348 # See how the compiler implements dependency checking.
2349 # NAME is "CC", "CXX", "GCJ", or "OBJC".
2350 # We try a few techniques and use that to set a single cache variable.
2352 # We don't AC_REQUIRE the corresponding AC_PROG_CC since the latter was
2353 # modified to invoke _AM_DEPENDENCIES(CC); we would have a circular
2354 # dependency, and given that the user is not expected to run this macro,
2355 # just rely on AC_PROG_CC.
2356 AC_DEFUN([_AM_DEPENDENCIES],
2357 [AC_REQUIRE([AM_SET_DEPDIR])dnl
2358 AC_REQUIRE([AM_OUTPUT_DEPENDENCY_COMMANDS])dnl
2359 AC_REQUIRE([AM_MAKE_INCLUDE])dnl
2360 AC_REQUIRE([AM_DEP_TRACK])dnl
2362 ifelse([$1], CC, [depcc="$CC" am_compiler_list=],
2363 [$1], CXX, [depcc="$CXX" am_compiler_list=],
2364 [$1], OBJC, [depcc="$OBJC" am_compiler_list='gcc3 gcc'],
2365 [$1], GCJ, [depcc="$GCJ" am_compiler_list='gcc3 gcc'],
2366 [depcc="$$1" am_compiler_list=])
2368 AC_CACHE_CHECK([dependency style of $depcc],
2369 [am_cv_$1_dependencies_compiler_type],
2370 [if test -z "$AMDEP_TRUE" && test -f "$am_depcomp"; then
2371 # We make a subdir and do the tests there. Otherwise we can end up
2372 # making bogus files that we don't know about and never remove. For
2373 # instance it was reported that on HP-UX the gcc test will end up
2374 # making a dummy file named `D' -- because `-MD' means `put the output
2377 # Copy depcomp to subdir because otherwise we won't find it if we're
2378 # using a relative directory.
2379 cp "$am_depcomp" conftest.dir
2381 # We will build objects and dependencies in a subdirectory because
2382 # it helps to detect inapplicable dependency modes. For instance
2383 # both Tru64's cc and ICC support -MD to output dependencies as a
2384 # side effect of compilation, but ICC will put the dependencies in
2385 # the current directory while Tru64 will put them in the object
2389 am_cv_$1_dependencies_compiler_type=none
2390 if test "$am_compiler_list" = ""; then
2391 am_compiler_list=`sed -n ['s/^#*\([a-zA-Z0-9]*\))$/\1/p'] < ./depcomp`
2393 for depmode in $am_compiler_list; do
2394 # Setup a source with many dependencies, because some compilers
2395 # like to wrap large dependency lists on column 80 (with \), and
2396 # we should not choose a depcomp mode which is confused by this.
2398 # We need to recreate these files for each test, as the compiler may
2399 # overwrite some of them when testing with obscure command lines.
2400 # This happens at least with the AIX C compiler.
2402 for i in 1 2 3 4 5 6; do
2403 echo '#include "conftst'$i'.h"' >> sub/conftest.c
2406 echo "${am__include} ${am__quote}sub/conftest.Po${am__quote}" > confmf
2410 # after this tag, mechanisms are not by side-effect, so they'll
2411 # only be used when explicitly requested
2412 if test "x$enable_dependency_tracking" = xyes; then
2420 # We check with `-c' and `-o' for the sake of the "dashmstdout"
2421 # mode. It turns out that the SunPro C++ compiler does not properly
2422 # handle `-M -o', and we need to detect this.
2423 if depmode=$depmode \
2424 source=sub/conftest.c object=sub/conftest.${OBJEXT-o} \
2425 depfile=sub/conftest.Po tmpdepfile=sub/conftest.TPo \
2426 $SHELL ./depcomp $depcc -c -o sub/conftest.${OBJEXT-o} sub/conftest.c \
2427 >/dev/null 2>conftest.err &&
2428 grep sub/conftst6.h sub/conftest.Po > /dev/null 2>&1 &&
2429 grep sub/conftest.${OBJEXT-o} sub/conftest.Po > /dev/null 2>&1 &&
2430 ${MAKE-make} -s -f confmf > /dev/null 2>&1; then
2431 # icc doesn't choke on unknown options, it will just issue warnings
2432 # (even with -Werror). So we grep stderr for any message
2433 # that says an option was ignored.
2434 if grep 'ignoring option' conftest.err >/dev/null 2>&1; then :; else
2435 am_cv_$1_dependencies_compiler_type=$depmode
2444 am_cv_$1_dependencies_compiler_type=none
2447 AC_SUBST([$1DEPMODE], [depmode=$am_cv_$1_dependencies_compiler_type])
2448 AM_CONDITIONAL([am__fastdep$1], [
2449 test "x$enable_dependency_tracking" != xno \
2450 && test "$am_cv_$1_dependencies_compiler_type" = gcc3])
2456 # Choose a directory name for dependency files.
2457 # This macro is AC_REQUIREd in _AM_DEPENDENCIES
2458 AC_DEFUN([AM_SET_DEPDIR],
2459 [AC_REQUIRE([AM_SET_LEADING_DOT])dnl
2460 AC_SUBST([DEPDIR], ["${am__leading_dot}deps"])dnl
2466 AC_DEFUN([AM_DEP_TRACK],
2467 [AC_ARG_ENABLE(dependency-tracking,
2468 [ --disable-dependency-tracking Speeds up one-time builds
2469 --enable-dependency-tracking Do not reject slow dependency extractors])
2470 if test "x$enable_dependency_tracking" != xno; then
2471 am_depcomp="$ac_aux_dir/depcomp"
2474 AM_CONDITIONAL([AMDEP], [test "x$enable_dependency_tracking" != xno])
2475 AC_SUBST([AMDEPBACKSLASH])
2478 # Generate code to set up dependency tracking. -*- Autoconf -*-
2480 # Copyright 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
2482 # This program is free software; you can redistribute it and/or modify
2483 # it under the terms of the GNU General Public License as published by
2484 # the Free Software Foundation; either version 2, or (at your option)
2485 # any later version.
2487 # This program is distributed in the hope that it will be useful,
2488 # but WITHOUT ANY WARRANTY; without even the implied warranty of
2489 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
2490 # GNU General Public License for more details.
2492 # You should have received a copy of the GNU General Public License
2493 # along with this program; if not, write to the Free Software
2494 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
2499 # _AM_OUTPUT_DEPENDENCY_COMMANDS
2500 # ------------------------------
2501 AC_DEFUN([_AM_OUTPUT_DEPENDENCY_COMMANDS],
2502 [for mf in $CONFIG_FILES; do
2503 # Strip MF so we end up with the name of the file.
2504 mf=`echo "$mf" | sed -e 's/:.*$//'`
2505 # Check whether this is an Automake generated Makefile or not.
2506 # We used to match only the files named `Makefile.in', but
2507 # some people rename them; so instead we look at the file content.
2508 # Grep'ing the first line is not enough: some people post-process
2509 # each Makefile.in and add a new line on top of each file to say so.
2510 # So let's grep whole file.
2511 if grep '^#.*generated by automake' $mf > /dev/null 2>&1; then
2512 dirpart=`AS_DIRNAME("$mf")`
2516 grep '^DEP_FILES *= *[[^ @%:@]]' < "$mf" > /dev/null || continue
2517 # Extract the definition of DEP_FILES from the Makefile without
2519 DEPDIR=`sed -n -e '/^DEPDIR = / s///p' < "$mf"`
2520 test -z "$DEPDIR" && continue
2521 # When using ansi2knr, U may be empty or an underscore; expand it
2522 U=`sed -n -e '/^U = / s///p' < "$mf"`
2523 test -d "$dirpart/$DEPDIR" || mkdir "$dirpart/$DEPDIR"
2524 # We invoke sed twice because it is the simplest approach to
2525 # changing $(DEPDIR) to its actual value in the expansion.
2526 for file in `sed -n -e '
2527 /^DEP_FILES = .*\\\\$/ {
2536 /^DEP_FILES = / s/^DEP_FILES = //p' < "$mf" | \
2537 sed -e 's/\$(DEPDIR)/'"$DEPDIR"'/g' -e 's/\$U/'"$U"'/g'`; do
2538 # Make sure the directory exists.
2539 test -f "$dirpart/$file" && continue
2540 fdir=`AS_DIRNAME(["$file"])`
2541 AS_MKDIR_P([$dirpart/$fdir])
2542 # echo "creating $dirpart/$file"
2543 echo '# dummy' > "$dirpart/$file"
2546 ])# _AM_OUTPUT_DEPENDENCY_COMMANDS
2549 # AM_OUTPUT_DEPENDENCY_COMMANDS
2550 # -----------------------------
2551 # This macro should only be invoked once -- use via AC_REQUIRE.
2553 # This code is only required when automatic dependency tracking
2554 # is enabled. FIXME. This creates each `.P' file that we will
2555 # need in order to bootstrap the dependency handling code.
2556 AC_DEFUN([AM_OUTPUT_DEPENDENCY_COMMANDS],
2557 [AC_CONFIG_COMMANDS([depfiles],
2558 [test x"$AMDEP_TRUE" != x"" || _AM_OUTPUT_DEPENDENCY_COMMANDS],
2559 [AMDEP_TRUE="$AMDEP_TRUE" ac_aux_dir="$ac_aux_dir"])
2562 # Check to see how 'make' treats includes. -*- Autoconf -*-
2564 # Copyright (C) 2001, 2002, 2003 Free Software Foundation, Inc.
2566 # This program is free software; you can redistribute it and/or modify
2567 # it under the terms of the GNU General Public License as published by
2568 # the Free Software Foundation; either version 2, or (at your option)
2569 # any later version.
2571 # This program is distributed in the hope that it will be useful,
2572 # but WITHOUT ANY WARRANTY; without even the implied warranty of
2573 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
2574 # GNU General Public License for more details.
2576 # You should have received a copy of the GNU General Public License
2577 # along with this program; if not, write to the Free Software
2578 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
2585 # Check to see how make treats includes.
2586 AC_DEFUN([AM_MAKE_INCLUDE],
2587 [am_make=${MAKE-make}
2588 cat > confinc << 'END'
2593 # If we don't find an include directive, just comment out the code.
2594 AC_MSG_CHECKING([for style of include used by $am_make])
2598 # First try GNU make style include.
2599 echo "include confinc" > confmf
2600 # We grep out `Entering directory' and `Leaving directory'
2601 # messages which can occur if `w' ends up in MAKEFLAGS.
2602 # In particular we don't look at `^make:' because GNU make might
2603 # be invoked under some other name (usually "gmake"), in which
2604 # case it prints its new name instead of `make'.
2605 if test "`$am_make -s -f confmf 2> /dev/null | grep -v 'ing directory'`" = "done"; then
2610 # Now try BSD make style include.
2611 if test "$am__include" = "#"; then
2612 echo '.include "confinc"' > confmf
2613 if test "`$am_make -s -f confmf 2> /dev/null`" = "done"; then
2614 am__include=.include
2619 AC_SUBST([am__include])
2620 AC_SUBST([am__quote])
2621 AC_MSG_RESULT([$_am_result])
2622 rm -f confinc confmf