1 dnl aclocal.m4 generated automatically by aclocal 1.4-p5
3 dnl Copyright (C) 1994, 1995-8, 1999, 2001 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.
14 dnl Initialize configure bits.
17 AC_DEFUN(GLIBCPP_CONFIGURE, [
18 dnl Default to --enable-multilib
19 AC_ARG_ENABLE(multilib,
20 [ --enable-multilib build hella library versions (default)],
21 [case "${enableval}" in
24 *) AC_MSG_ERROR(bad value ${enableval} for multilib option) ;;
25 esac], [multilib=yes])dnl
27 # When building with srcdir == objdir, links to the source files will
28 # be created in directories within the target_subdir. We have to
29 # adjust toplevel_srcdir accordingly, so that configure finds
30 # install-sh and other auxiliary files that live in the top-level
32 if test "${srcdir}" = "."; then
33 if test -z "${with_target_subdir}"; then
36 if test "${with_target_subdir}" != "."; then
37 toprel="${with_multisrctop}../.."
39 toprel="${with_multisrctop}.."
45 AC_CONFIG_AUX_DIR(${srcdir}/$toprel)
46 toplevel_srcdir=\${top_srcdir}/$toprel
47 AC_SUBST(toplevel_srcdir)
49 # Export build and source directories.
50 # These need to be absolute paths, yet at the same time need to
51 # canonicalize only relative paths, because then amd will not unmount
52 # drives. Thus the use of PWDCMD: set it to 'pawd' or 'amq -w' if using amd.
53 glibcpp_builddir=`pwd`
55 [\\/$]* | ?:[\\/]*) glibcpp_srcdir=${srcdir} ;;
56 *) glibcpp_srcdir=`cd "$srcdir" && ${PWDCMD-pwd} || echo "$srcdir"` ;;
58 AC_SUBST(glibcpp_builddir)
59 AC_SUBST(glibcpp_srcdir)
61 dnl This is here just to satisfy automake.
62 ifelse(not,equal,[AC_CONFIG_AUX_DIR(..)])
64 # Will set LN_S to either 'ln -s' or 'ln'. With autoconf 2.50+, can also
65 # be 'cp -p' if linking isn't available.
66 #ac_cv_prog_LN_S='cp -p'
69 # We use these options to decide which functions to include.
70 AC_ARG_WITH(target-subdir,
71 [ --with-target-subdir=SUBDIR
72 configuring in a subdirectory])
73 AC_ARG_WITH(cross-host,
74 [ --with-cross-host=HOST configuring with a cross compiler])
76 glibcpp_basedir=$srcdir/$toprel/$1/libstdc++-v3
77 AC_SUBST(glibcpp_basedir)
79 # Never versions of autoconf add an underscore to these functions.
80 # Prevent future problems ...
81 ifdef([AC_PROG_CC_G],[],[define([AC_PROG_CC_G],defn([_AC_PROG_CC_G]))])
82 ifdef([AC_PROG_CC_GNU],[],[define([AC_PROG_CC_GNU],defn([_AC_PROG_CC_GNU]))])
83 ifdef([AC_PROG_CXX_G],[],[define([AC_PROG_CXX_G],defn([_AC_PROG_CXX_G]))])
84 ifdef([AC_PROG_CXX_GNU],[],[define([AC_PROG_CXX_GNU],defn([_AC_PROG_CXX_GNU]))])
88 # FIXME: We temporarily define our own version of AC_PROG_CC. This is
89 # copied from autoconf 2.12, but does not call AC_PROG_CC_WORKS. We
90 # are probably using a cross compiler, which will not be able to fully
91 # link an executable. This should really be fixed in autoconf
94 AC_DEFUN(LIB_AC_PROG_CC,
95 [AC_BEFORE([$0], [AC_PROG_CPP])dnl
96 dnl Fool anybody using AC_PROG_CC.
97 AC_PROVIDE([AC_PROG_CC])
98 AC_CHECK_PROG(CC, gcc, gcc)
99 if test -z "$CC"; then
100 AC_CHECK_PROG(CC, cc, cc, , , /usr/ucb/cc)
101 test -z "$CC" && AC_MSG_ERROR([no acceptable cc found in \$PATH])
106 if test $ac_cv_prog_gcc = yes; then
108 dnl Check whether -g works, even if CFLAGS is set, in case the package
109 dnl plays around with CFLAGS (such as to build both debugging and
110 dnl normal versions of a library), tasteless as that idea is.
111 ac_test_CFLAGS="${CFLAGS+set}"
112 ac_save_CFLAGS="$CFLAGS"
115 if test "$ac_test_CFLAGS" = set; then
116 CFLAGS="$ac_save_CFLAGS"
117 elif test $ac_cv_prog_cc_g = yes; then
124 test "${CFLAGS+set}" = set || CFLAGS="-g"
130 # Can't just call these here as g++ requires libstc++ to be built....
133 # Likewise for AC_PROG_CXX.
134 AC_DEFUN(LIB_AC_PROG_CXX,
135 [AC_BEFORE([$0], [AC_PROG_CXXCPP])dnl
136 dnl Fool anybody using AC_PROG_CXX.
137 AC_PROVIDE([AC_PROG_CXX])
138 # Use glibcpp_CXX so that we do not cause CXX to be cached with the
139 # flags that come in CXX while configuring libstdc++. They're different
140 # from those used for all other target libraries. If CXX is set in
141 # the environment, respect that here.
143 AC_CHECK_PROGS(glibcpp_CXX, $CCC c++ g++ gcc CC cxx cc++, gcc)
144 AC_SUBST(glibcpp_CXX)
146 test -z "$glibcpp_CXX" && AC_MSG_ERROR([no acceptable c++ found in \$PATH])
150 if test $ac_cv_prog_gxx = yes; then
152 dnl Check whether -g works, even if CXXFLAGS is set, in case the package
153 dnl plays around with CXXFLAGS (such as to build both debugging and
154 dnl normal versions of a library), tasteless as that idea is.
155 ac_test_CXXFLAGS="${CXXFLAGS+set}"
156 ac_save_CXXFLAGS="$CXXFLAGS"
159 if test "$ac_test_CXXFLAGS" = set; then
160 CXXFLAGS="$ac_save_CXXFLAGS"
161 elif test $ac_cv_prog_cxx_g = yes; then
168 test "${CXXFLAGS+set}" = set || CXXFLAGS="-g"
174 # For some reason, gettext needs this.
177 AC_CHECK_TOOL(AS, as)
178 AC_CHECK_TOOL(AR, ar)
179 AC_CHECK_TOOL(RANLIB, ranlib, ranlib-not-found-in-path-error)
184 # We need AC_EXEEXT to keep automake happy in cygnus mode. However,
185 # at least currently, we never actually build a program, so we never
186 # need to use $(EXEEXT). Moreover, the test for EXEEXT normally
187 # fails, because we are probably configuring with a cross compiler
188 # which can't create executables. So we include AC_EXEEXT to keep
189 # automake happy, but we don't execute it, since we don't care about
192 # autoconf 2.50 runs AC_EXEEXT by default, and the macro expands
193 # to nothing, so nothing would remain between `then' and `fi' if it
194 # were not for the `:' below.
199 . [$]{glibcpp_basedir}/configure.host
201 case [$]{glibcpp_basedir} in
202 /* | [A-Za-z]:[\\/]*) libgcj_flagbasedir=[$]{glibcpp_basedir} ;;
203 *) glibcpp_flagbasedir='[$](top_builddir)/'[$]{glibcpp_basedir} ;;
206 # This does for the target what configure.host does for the host. In
207 # addition to possibly modifying the same flags, it also sets up symlinks.
215 dnl Check to see if g++ can compile this library, and if so, if any version-
216 dnl specific precautions need to be taken.
218 dnl GLIBCPP_CHECK_COMPILER_VERSION
219 AC_DEFUN(GLIBCPP_CHECK_COMPILER_VERSION, [
220 if test ! -f stamp-sanity-compiler; then
221 AC_MSG_CHECKING([for g++ that will successfully compile libstdc++-v3])
228 ], gpp_satisfactory=yes, AC_MSG_ERROR([please upgrade to GCC 3.0 or above]))
230 AC_MSG_RESULT($gpp_satisfactory)
231 touch stamp-sanity-compiler
237 dnl Tests for newer compiler features, or features that are present in newer
238 dnl compiler versions but not older compiler versions still in use, should
241 dnl Define WERROR='-Werror' if requested and possible; g++'s that lack the
242 dnl new inlining code or the new system_header pragma will die on -Werror.
243 dnl Leave it out by default and use maint-mode to use it.
245 dnl Define SECTION_FLAGS='-ffunction-sections -fdata-sections' if
246 dnl compiler supports it and the user has not requested debug mode.
248 dnl GLIBCPP_CHECK_COMPILER_FEATURES
249 AC_DEFUN(GLIBCPP_CHECK_COMPILER_FEATURES, [
250 # All these tests are for C++; save the language and the compiler flags.
251 # The CXXFLAGS thing is suspicious, but based on similar bits previously
252 # found in GLIBCPP_CONFIGURE.
255 ac_test_CXXFLAGS="${CXXFLAGS+set}"
256 ac_save_CXXFLAGS="$CXXFLAGS"
258 # Check for maintainer-mode bits.
259 if test x"$USE_MAINTAINER_MODE" = xno; then
265 # Check for -ffunction-sections -fdata-sections
266 AC_MSG_CHECKING([for g++ that supports -ffunction-sections -fdata-sections])
267 CXXFLAGS='-Werror -ffunction-sections -fdata-sections'
268 AC_TRY_COMPILE(, [int foo;
269 ], [ac_fdsections=yes], [ac_fdsections=no])
270 if test "$ac_test_CXXFLAGS" = set; then
271 CXXFLAGS="$ac_save_CXXFLAGS"
273 # this is the suspicious part
276 if test x"$ac_fdsections" = x"yes" &&
277 test x"$enable_debug" = x"no"; then
278 SECTION_FLAGS='-ffunction-sections -fdata-sections'
280 AC_MSG_RESULT($ac_fdsections)
284 AC_SUBST(SECTION_FLAGS)
289 dnl If GNU ld is in use, check to see if tricky linker opts can be used. If
290 dnl the native linker is in use, all variables will be defined to something
291 dnl safe (like an empty string).
293 dnl Define SECTION_LDFLAGS='-Wl,--gc-sections' if possible.
294 dnl Define OPT_LDFLAGS='-Wl,-O1' if possible.
296 dnl GLIBCPP_CHECK_LINKER_FEATURES
297 AC_DEFUN(GLIBCPP_CHECK_LINKER_FEATURES, [
298 # If we're not using GNU ld, then there's no point in even trying these
299 # tests. Check for that first. We should have already tested for gld
300 # by now (in libtool), but require it now just to be safe...
303 AC_REQUIRE([AC_PROG_LD])
306 if test "$ac_cv_prog_gnu_ld" = "notbroken"; then
307 # GNU ld it is! Joy and bunny rabbits!
309 # All these tests are for C++; save the language and the compiler flags.
310 # Need to do this so that g++ won't try to link in libstdc++
311 ac_test_CFLAGS="${CFLAGS+set}"
312 ac_save_CFLAGS="$CFLAGS"
313 CFLAGS='-x c++ -Wl,--gc-sections'
315 # Check for -Wl,--gc-sections
316 # XXX This test is broken at the moment, as symbols required for
317 # linking are now in libsupc++ (not built yet.....). In addition,
318 # this test has cored on solaris in the past. In addition,
319 # --gc-sections doesn't really work at the moment (keeps on discarding
320 # used sections, first .eh_frame and now some of the glibc sections for
321 # iconv). Bzzzzt. Thanks for playing, maybe next time.
322 AC_MSG_CHECKING([for ld that supports -Wl,--gc-sections])
330 ], [ac_sectionLDflags=yes],[ac_sectionLFflags=no], [ac_sectionLDflags=yes])
331 if test "$ac_test_CFLAGS" = set; then
332 CFLAGS="$ac_save_CFLAGS"
334 # this is the suspicious part
337 if test "$ac_sectionLDflags" = "yes"; then
338 SECTION_LDFLAGS='-Wl,--gc-sections'
340 AC_MSG_RESULT($ac_sectionLDflags)
343 # Set linker optimization flags.
344 if test x"$ac_cv_prog_gnu_ld" = x"yes" &&
345 test x"$enable_debug" = x"no"; then
346 OPT_LDFLAGS='-Wl,-O1'
349 AC_SUBST(SECTION_LDFLAGS)
350 AC_SUBST(OPT_LDFLAGS)
355 dnl Check to see if the (math function) argument passed is
356 dnl declared when using the c++ compiler
357 dnl ASSUMES argument is a math function with ONE parameter
359 dnl GLIBCPP_CHECK_MATH_DECL_1
360 AC_DEFUN(GLIBCPP_CHECK_MATH_DECL_1, [
361 AC_MSG_CHECKING([for $1 declaration])
362 if test x${glibcpp_cv_func_$1_use+set} != xset; then
363 AC_CACHE_VAL(glibcpp_cv_func_$1_use, [
366 AC_TRY_COMPILE([#include <math.h>
372 [glibcpp_cv_func_$1_use=yes], [glibcpp_cv_func_$1_use=no])
376 AC_MSG_RESULT($glibcpp_cv_func_$1_use)
380 dnl Check to see if the (math function) argument passed is
381 dnl 1) declared when using the c++ compiler
382 dnl 2) has "C" linkage
383 dnl 3) if not, see if 1) and 2) for argument prepended with '_'
385 dnl Define HAVE_CARGF etc if "cargf" is declared and links
387 dnl argument 1 is name of function to check
389 dnl ASSUMES argument is a math function with ONE parameter
391 dnl GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_1
392 AC_DEFUN(GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_1, [
393 GLIBCPP_CHECK_MATH_DECL_1($1)
394 if test x$glibcpp_cv_func_$1_use = x"yes"; then
397 GLIBCPP_CHECK_MATH_DECL_1(_$1)
398 if test x$glibcpp_cv_func__$1_use = x"yes"; then
406 dnl Like GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_1, but does a bunch of
407 dnl of functions at once. It's an all-or-nothing check -- either
408 dnl HAVE_XYZ is defined for each of the functions, or for none of them.
409 dnl Doing it this way saves significant configure time.
410 AC_DEFUN(GLIBCPP_CHECK_MATH_DECLS_AND_LINKAGES_1, [
411 AC_MSG_CHECKING([for $1 functions])
412 AC_CACHE_VAL(glibcpp_cv_func_$2_use, [
415 AC_TRY_COMPILE([#include <math.h>],
416 [ `for x in $3; do echo "$x (0);"; done` ],
417 [glibcpp_cv_func_$2_use=yes],
418 [glibcpp_cv_func_$2_use=no])
420 AC_MSG_RESULT($glibcpp_cv_func_$2_use)
421 if test x$glibcpp_cv_func_$2_use = x"yes"; then
427 dnl Check to see if the (math function) argument passed is
428 dnl declared when using the c++ compiler
429 dnl ASSUMES argument is a math function with TWO parameters
431 dnl GLIBCPP_CHECK_MATH_DECL_2
432 AC_DEFUN(GLIBCPP_CHECK_MATH_DECL_2, [
433 AC_MSG_CHECKING([for $1 declaration])
434 if test x${glibcpp_cv_func_$1_use+set} != xset; then
435 AC_CACHE_VAL(glibcpp_cv_func_$1_use, [
438 AC_TRY_COMPILE([#include <math.h>],
440 [glibcpp_cv_func_$1_use=yes], [glibcpp_cv_func_$1_use=no])
444 AC_MSG_RESULT($glibcpp_cv_func_$1_use)
448 dnl Check to see if the (math function) argument passed is
449 dnl 1) declared when using the c++ compiler
450 dnl 2) has "C" linkage
452 dnl Define HAVE_CARGF etc if "cargf" is declared and links
454 dnl argument 1 is name of function to check
456 dnl ASSUMES argument is a math function with TWO parameters
458 dnl GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_2
459 AC_DEFUN(GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_2, [
460 GLIBCPP_CHECK_MATH_DECL_2($1)
461 if test x$glibcpp_cv_func_$1_use = x"yes"; then
464 GLIBCPP_CHECK_MATH_DECL_2(_$1)
465 if test x$glibcpp_cv_func__$1_use = x"yes"; then
473 dnl Check to see if the (math function) argument passed is
474 dnl declared when using the c++ compiler
475 dnl ASSUMES argument is a math function with THREE parameters
477 dnl GLIBCPP_CHECK_MATH_DECL_3
478 AC_DEFUN(GLIBCPP_CHECK_MATH_DECL_3, [
479 AC_MSG_CHECKING([for $1 declaration])
480 if test x${glibcpp_cv_func_$1_use+set} != xset; then
481 AC_CACHE_VAL(glibcpp_cv_func_$1_use, [
484 AC_TRY_COMPILE([#include <math.h>],
486 [glibcpp_cv_func_$1_use=yes], [glibcpp_cv_func_$1_use=no])
490 AC_MSG_RESULT($glibcpp_cv_func_$1_use)
494 dnl Check to see if the (math function) argument passed is
495 dnl 1) declared when using the c++ compiler
496 dnl 2) has "C" linkage
498 dnl Define HAVE_CARGF etc if "cargf" is declared and links
500 dnl argument 1 is name of function to check
502 dnl ASSUMES argument is a math function with THREE parameters
504 dnl GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_3
505 AC_DEFUN(GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_3, [
506 GLIBCPP_CHECK_MATH_DECL_3($1)
507 if test x$glibcpp_cv_func_$1_use = x"yes"; then
510 GLIBCPP_CHECK_MATH_DECL_3(_$1)
511 if test x$glibcpp_cv_func__$1_use = x"yes"; then
519 dnl Check to see if the (stdlib function) argument passed is
520 dnl 1) declared when using the c++ compiler
521 dnl 2) has "C" linkage
523 dnl argument 1 is name of function to check
525 dnl ASSUMES argument is a math function with TWO parameters
527 dnl GLIBCPP_CHECK_STDLIB_DECL_AND_LINKAGE_2
528 AC_DEFUN(GLIBCPP_CHECK_STDLIB_DECL_AND_LINKAGE_2, [
529 AC_MSG_CHECKING([for $1 declaration])
530 if test x${glibcpp_cv_func_$1_use+set} != xset; then
531 AC_CACHE_VAL(glibcpp_cv_func_$1_use, [
534 AC_TRY_COMPILE([#include <stdlib.h>],
536 [glibcpp_cv_func_$1_use=yes], [glibcpp_cv_func_$1_use=no])
540 AC_MSG_RESULT($glibcpp_cv_func_$1_use)
541 if test x$glibcpp_cv_func_$1_use = x"yes"; then
548 dnl Because the builtins are picky picky picky about the arguments they take,
549 dnl do an explict linkage tests here.
550 dnl Check to see if the (math function) argument passed is
551 dnl 1) declared when using the c++ compiler
552 dnl 2) has "C" linkage
554 dnl Define HAVE_CARGF etc if "cargf" is declared and links
556 dnl argument 1 is name of function to check
558 dnl ASSUMES argument is a math function with ONE parameter
560 dnl GLIBCPP_CHECK_BUILTIN_MATH_DECL_LINKAGE_1
561 AC_DEFUN(GLIBCPP_CHECK_BUILTIN_MATH_DECL_AND_LINKAGE_1, [
562 AC_MSG_CHECKING([for $1 declaration])
563 if test x${glibcpp_cv_func_$1_use+set} != xset; then
564 AC_CACHE_VAL(glibcpp_cv_func_$1_use, [
567 AC_TRY_COMPILE([#include <math.h>],
569 [glibcpp_cv_func_$1_use=yes], [glibcpp_cv_func_$1_use=no])
573 AC_MSG_RESULT($glibcpp_cv_func_$1_use)
574 if test x$glibcpp_cv_func_$1_use = x"yes"; then
575 AC_MSG_CHECKING([for $1 linkage])
576 if test x${glibcpp_cv_func_$1_link+set} != xset; then
577 AC_CACHE_VAL(glibcpp_cv_func_$1_link, [
578 AC_TRY_LINK([#include <math.h>],
580 [glibcpp_cv_func_$1_link=yes], [glibcpp_cv_func_$1_link=no])
583 AC_MSG_RESULT($glibcpp_cv_func_$1_link)
584 if test x$glibcpp_cv_func_$1_link = x"yes"; then
585 ac_tr_func=HAVE_`echo $1 | tr 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'`
586 AC_DEFINE_UNQUOTED(${ac_tr_func})
593 dnl Check to see what builtin math functions are supported
595 dnl check for __builtin_abs
596 dnl check for __builtin_fabsf
597 dnl check for __builtin_fabs
598 dnl check for __builtin_fabl
599 dnl check for __builtin_labs
600 dnl check for __builtin_sqrtf
601 dnl check for __builtin_sqrtl
602 dnl check for __builtin_sqrt
603 dnl check for __builtin_sinf
604 dnl check for __builtin_sin
605 dnl check for __builtin_sinl
606 dnl check for __builtin_cosf
607 dnl check for __builtin_cos
608 dnl check for __builtin_cosl
610 dnl GLIBCPP_CHECK_BUILTIN_MATH_SUPPORT
611 AC_DEFUN(GLIBCPP_CHECK_BUILTIN_MATH_SUPPORT, [
612 dnl Test for builtin math functions.
613 dnl These are made in gcc/c-common.c
614 GLIBCPP_CHECK_BUILTIN_MATH_DECL_AND_LINKAGE_1(__builtin_abs)
615 GLIBCPP_CHECK_BUILTIN_MATH_DECL_AND_LINKAGE_1(__builtin_fabsf)
616 GLIBCPP_CHECK_BUILTIN_MATH_DECL_AND_LINKAGE_1(__builtin_fabs)
617 GLIBCPP_CHECK_BUILTIN_MATH_DECL_AND_LINKAGE_1(__builtin_fabsl)
618 GLIBCPP_CHECK_BUILTIN_MATH_DECL_AND_LINKAGE_1(__builtin_labs)
620 GLIBCPP_CHECK_BUILTIN_MATH_DECL_AND_LINKAGE_1(__builtin_sqrtf)
621 GLIBCPP_CHECK_BUILTIN_MATH_DECL_AND_LINKAGE_1(__builtin_sqrt)
622 GLIBCPP_CHECK_BUILTIN_MATH_DECL_AND_LINKAGE_1(__builtin_sqrtl)
624 GLIBCPP_CHECK_BUILTIN_MATH_DECL_AND_LINKAGE_1(__builtin_sinf)
625 GLIBCPP_CHECK_BUILTIN_MATH_DECL_AND_LINKAGE_1(__builtin_sin)
626 GLIBCPP_CHECK_BUILTIN_MATH_DECL_AND_LINKAGE_1(__builtin_sinl)
628 GLIBCPP_CHECK_BUILTIN_MATH_DECL_AND_LINKAGE_1(__builtin_cosf)
629 GLIBCPP_CHECK_BUILTIN_MATH_DECL_AND_LINKAGE_1(__builtin_cos)
630 GLIBCPP_CHECK_BUILTIN_MATH_DECL_AND_LINKAGE_1(__builtin_cosl)
632 dnl There is, without a doubt, a more elegant way to have these
633 dnl names exported so that they won't be stripped out of acconfig.h by
634 dnl autoheader. I leave this as an exercise to somebody less frustrated
635 dnl than I.... please email the libstdc++ list if you can figure out a
636 dnl more elegant approach (see autoconf/acgen.m4 and specifically
637 dnl AC_CHECK_FUNC for things to steal.)
639 if test x$dummyvar = x"yes"; then
640 AC_DEFINE(HAVE___BUILTIN_ABS)
641 AC_DEFINE(HAVE___BUILTIN_LABS)
642 AC_DEFINE(HAVE___BUILTIN_COS)
643 AC_DEFINE(HAVE___BUILTIN_COSF)
644 AC_DEFINE(HAVE___BUILTIN_COSL)
645 AC_DEFINE(HAVE___BUILTIN_FABS)
646 AC_DEFINE(HAVE___BUILTIN_FABSF)
647 AC_DEFINE(HAVE___BUILTIN_FABSL)
648 AC_DEFINE(HAVE___BUILTIN_SIN)
649 AC_DEFINE(HAVE___BUILTIN_SINF)
650 AC_DEFINE(HAVE___BUILTIN_SINL)
651 AC_DEFINE(HAVE___BUILTIN_SQRT)
652 AC_DEFINE(HAVE___BUILTIN_SQRTF)
653 AC_DEFINE(HAVE___BUILTIN_SQRTL)
659 dnl Check to see what the underlying c library
660 dnl These checks need to do two things:
661 dnl 1) make sure the name is declared when using the c++ compiler
662 dnl 2) make sure the name has "C" linkage
663 dnl This might seem like overkill but experience has shown that it's not...
665 dnl Define HAVE_STRTOLD if "strtold" is declared and links
666 dnl Define HAVE_STRTOF if "strtof" is declared and links
667 dnl Define HAVE_DRAND48 if "drand48" is declared and links
669 dnl GLIBCPP_CHECK_STDLIB_SUPPORT
670 AC_DEFUN(GLIBCPP_CHECK_STDLIB_SUPPORT, [
671 ac_test_CXXFLAGS="${CXXFLAGS+set}"
672 ac_save_CXXFLAGS="$CXXFLAGS"
673 CXXFLAGS='-fno-builtins -D_GNU_SOURCE'
675 GLIBCPP_CHECK_STDLIB_DECL_AND_LINKAGE_2(strtold)
676 AC_CHECK_FUNCS(drand48)
678 CXXFLAGS="$ac_save_CXXFLAGS"
683 dnl Check to see what the underlying c library or math library is like.
684 dnl These checks need to do two things:
685 dnl 1) make sure the name is declared when using the c++ compiler
686 dnl 2) make sure the name has "C" linkage
687 dnl This might seem like overkill but experience has shown that it's not...
689 dnl Define HAVE_CARGF etc if "cargf" is found.
691 dnl GLIBCPP_CHECK_MATH_SUPPORT
692 AC_DEFUN(GLIBCPP_CHECK_MATH_SUPPORT, [
693 ac_test_CXXFLAGS="${CXXFLAGS+set}"
694 ac_save_CXXFLAGS="$CXXFLAGS"
695 CXXFLAGS='-fno-builtins -D_GNU_SOURCE'
698 AC_CHECK_LIB(m, sin, libm="-lm")
702 dnl Check to see if certain C math functions exist.
703 GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_1(isinf)
704 GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_1(isnan)
705 GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_1(finite)
706 GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_2(copysign)
707 GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_3(sincos)
708 GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_1(fpclass)
709 GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_1(qfpclass)
710 GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_2(hypot)
712 dnl Check to see if basic C math functions have float versions.
713 GLIBCPP_CHECK_MATH_DECLS_AND_LINKAGES_1(float trig,
718 GLIBCPP_CHECK_MATH_DECLS_AND_LINKAGES_1(float round,
721 GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_1(isnanf)
722 GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_1(isinff)
723 GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_2(atan2f)
724 GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_1(fabsf)
725 GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_2(fmodf)
726 GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_2(frexpf)
727 GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_2(hypotf)
728 GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_2(ldexpf)
729 GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_1(logf)
730 GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_1(log10f)
731 GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_2(modff)
732 GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_2(powf)
733 GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_1(sqrtf)
734 GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_3(sincosf)
735 GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_1(finitef)
737 dnl Check to see if basic C math functions have long double versions.
738 GLIBCPP_CHECK_MATH_DECLS_AND_LINKAGES_1(long double trig,
743 GLIBCPP_CHECK_MATH_DECLS_AND_LINKAGES_1(long double round,
746 GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_1(isnanl)
747 GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_1(isinfl)
748 GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_2(copysignl)
749 GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_2(atan2l)
750 GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_1(expl)
751 GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_1(fabsl)
752 GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_2(fmodl)
753 GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_2(frexpl)
754 GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_2(hypotl)
755 GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_2(ldexpl)
756 GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_1(logl)
757 GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_1(log10l)
758 GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_2(modfl)
759 GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_2(powl)
760 GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_1(sqrtl)
761 GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_3(sincosl)
762 GLIBCPP_CHECK_MATH_DECL_AND_LINKAGE_1(finitel)
764 dnl Some runtimes have these functions with a preceding underscore. Please
765 dnl keep this sync'd with the one above. And if you add any new symbol,
766 dnl please add the corresponding block in the @BOTTOM@ section of acconfig.h.
767 dnl Check to see if certain C math functions exist.
769 dnl Check to see if basic C math functions have float versions.
770 GLIBCPP_CHECK_MATH_DECLS_AND_LINKAGES_1(_float trig,
772 _acosf _asinf _atanf \
774 _coshf _sinhf _tanhf)
775 GLIBCPP_CHECK_MATH_DECLS_AND_LINKAGES_1(_float round,
779 dnl Check to see if basic C math functions have long double versions.
780 GLIBCPP_CHECK_MATH_DECLS_AND_LINKAGES_1(_long double trig,
782 _acosl _asinl _atanl \
784 _coshl _sinhl _tanhl)
785 GLIBCPP_CHECK_MATH_DECLS_AND_LINKAGES_1(_long double round,
790 CXXFLAGS="$ac_save_CXXFLAGS"
795 dnl Check to see if there is native support for complex
797 dnl Don't compile bits in math/* if native support exits.
799 dnl Define USE_COMPLEX_LONG_DOUBLE etc if "copysignl" is found.
801 dnl GLIBCPP_CHECK_COMPLEX_MATH_SUPPORT
802 AC_DEFUN(GLIBCPP_CHECK_COMPLEX_MATH_SUPPORT, [
803 dnl Check for complex versions of math functions of platform.
804 AC_CHECK_LIB(m, main)
805 AC_REPLACE_MATHFUNCS(nan copysignf)
807 dnl Compile the long double complex functions only if the function
808 dnl provides the non-complex long double functions that are needed.
809 dnl Currently this includes copysignl, which should be
810 dnl cached from the GLIBCPP_CHECK_MATH_SUPPORT macro, above.
811 USE_COMPLEX_LONG_DOUBLE=no
812 if test x$ac_cv_func_copysignl = x"yes"; then
813 USE_COMPLEX_LONG_DOUBLE=yes
814 AC_REPLACE_MATHFUNCS(signbitl)
817 AC_SUBST(USE_COMPLEX_LONG_DOUBLE)
821 dnl Check to see what architecture and operating system we are compiling
822 dnl for. Also, if architecture- or OS-specific flags are required for
823 dnl compilation, pick them up here.
825 dnl GLIBCPP_CHECK_TARGET
826 AC_DEFUN(GLIBCPP_CHECK_TARGET, [
827 . [$]{glibcpp_basedir}/configure.target
828 AC_MSG_RESULT(CPU config directory is $cpu_include_dir)
829 AC_MSG_RESULT(OS config directory is $os_include_dir)
834 dnl Check to see if this target can enable the wchar_t parts of libstdc++.
835 dnl If --disable-c-mbchar was given, no wchar_t stuff is enabled. (This
836 dnl must have been previously checked.)
838 dnl Define _GLIBCPP_USE_WCHAR_T if all the bits are found
839 dnl Define HAVE_MBSTATE_T if mbstate_t is not in wchar.h
841 dnl GLIBCPP_CHECK_WCHAR_T_SUPPORT
842 AC_DEFUN(GLIBCPP_CHECK_WCHAR_T_SUPPORT, [
844 dnl Test wchar.h for mbstate_t, which is needed for char_traits and
845 dnl others even if wchar_t support is not on.
846 AC_MSG_CHECKING([for mbstate_t])
847 AC_TRY_COMPILE([#include <wchar.h>],
848 [mbstate_t teststate;],
849 have_mbstate_t=yes, have_mbstate_t=no)
850 AC_MSG_RESULT($have_mbstate_t)
851 if test x"$have_mbstate_t" = xyes; then
852 AC_DEFINE(HAVE_MBSTATE_T)
855 dnl Sanity check for existence of ISO C99 headers for extended encoding.
856 AC_CHECK_HEADERS(wchar.h, ac_has_wchar_h=yes, ac_has_wchar_h=no)
857 AC_CHECK_HEADER(wctype.h, ac_has_wctype_h=yes, ac_has_wctype_h=no)
859 dnl Only continue checking if the ISO C99 headers exist and support is on.
860 if test x"$ac_has_wchar_h" = xyes &&
861 test x"$ac_has_wctype_h" = xyes &&
862 test x"$enable_c_mbchar" != xno; then
864 dnl Test wchar.h for WCHAR_MIN, WCHAR_MAX, which is needed before
865 dnl numeric_limits can instantiate type_traits<wchar_t>
866 AC_MSG_CHECKING([for WCHAR_MIN and WCHAR_MAX])
867 AC_TRY_COMPILE([#include <wchar.h>],
868 [int i = WCHAR_MIN; int j = WCHAR_MAX;],
869 has_wchar_minmax=yes, has_wchar_minmax=no)
870 AC_MSG_RESULT($has_wchar_minmax)
872 dnl Test wchar.h for WEOF, which is what we use to determine whether
873 dnl to specialize for char_traits<wchar_t> or not.
874 AC_MSG_CHECKING([for WEOF])
877 #include <stddef.h>],
879 has_weof=yes, has_weof=no)
880 AC_MSG_RESULT($has_weof)
882 dnl Tests for wide character functions used in char_traits<wchar_t>.
884 AC_CHECK_FUNCS(wcslen wmemchr wmemcmp wmemcpy wmemmove wmemset,, \
887 dnl Checks for names injected into std:: by the c_std headers.
888 AC_CHECK_FUNCS(btowc wctob fgetwc fgetwc fgetws fputwc fputws fwide \
889 fwprintf fwscanf swprintf swscanf vfwprintf vfwscanf vswprintf vswscanf \
890 vwprintf vwscanf wprintf wscanf getwc getwchar mbsinit mbrlen mbrtowc \
891 mbsrtowcs wcsrtombs putwc putwchar ungetwc wcrtomb wcstod wcstof wcstol \
892 wcstoul wcscpy wcsncpy wcscat wcsncat wcscmp wcscoll wcsncmp wcsxfrm \
893 wcscspn wcsspn wcstok wcsftime wcschr wcspbrk wcsrchr wcsstr,, \
896 AC_MSG_CHECKING([for ISO C99 wchar_t support])
897 if test x"$has_weof" = xyes &&
898 test x"$has_wchar_minmax" = xyes &&
899 test x"$ac_wfuncs" = xyes; then
900 ac_isoC99_wchar_t=yes
904 AC_MSG_RESULT($ac_isoC99_wchar_t)
906 dnl Use iconv for wchar_t to char conversions. As such, check for
907 dnl X/Open Portability Guide, version 2 features (XPG2).
908 AC_CHECK_HEADER(iconv.h, ac_has_iconv_h=yes, ac_has_iconv_h=no)
909 AC_CHECK_HEADER(langinfo.h, ac_has_langinfo_h=yes, ac_has_langinfo_h=no)
911 dnl Check for existence of libiconv.a providing XPG2 wchar_t support.
912 AC_CHECK_LIB(iconv, iconv, libiconv="-liconv")
914 LIBS="$LIBS $libiconv"
916 AC_CHECK_FUNCS(iconv_open iconv_close iconv nl_langinfo, \
917 ac_XPG2funcs=yes, ac_XPG2funcs=no)
921 AC_MSG_CHECKING([for XPG2 wchar_t support])
922 if test x"$ac_has_iconv_h" = xyes &&
923 test x"$ac_has_langinfo_h" = xyes &&
924 test x"$ac_XPG2funcs" = xyes; then
929 AC_MSG_RESULT($ac_XPG2_wchar_t)
931 dnl At the moment, only enable wchar_t specializations if all the
932 dnl above support is present.
933 AC_MSG_CHECKING([for enabled wchar_t specializations])
934 if test x"$ac_isoC99_wchar_t" = xyes &&
935 test x"$ac_XPG2_wchar_t" = xyes; then
936 AC_DEFINE(_GLIBCPP_USE_WCHAR_T)
942 dnl Wide characters disabled by the user.
943 AC_MSG_WARN([wchar_t support disabled.])
949 dnl Check for special debugging mode; not for production use.
951 dnl GLIBCPP_ENABLE_DEBUG
952 dnl --enable-debug sets '-ggdb3 -O0'.
953 dnl --disable-debug sets '-g' and whatever optimization options the
954 dnl compiler can handle.
955 dnl + --enable-maintainer-mode automatically defaults this to on.
956 dnl + Perhaps -D/-U of NDEBUG, DEBUG, DEBUG_ASSERT, ...?
957 dnl + Usage: GLIBCPP_ENABLE_DEBUG[(DEFAULT)]
958 dnl Where DEFAULT is either `yes' or `no'. If ommitted, it
959 dnl defaults to `no'.
960 AC_DEFUN(GLIBCPP_ENABLE_DEBUG, [dnl
961 define([GLIBCPP_ENABLE_DEBUG_DEFAULT], ifelse($1, yes, yes, no))dnl
963 changequote(<<, >>)dnl
964 << --enable-debug extra debugging, turn off optimization [default=>>GLIBCPP_ENABLE_DEBUG_DEFAULT],
966 [case "${enableval}" in
967 yes) enable_debug=yes ;;
968 no) enable_debug=no ;;
969 *) AC_MSG_ERROR([Unknown argument to enable/disable extra debugging]) ;;
971 enable_debug=GLIBCPP_ENABLE_DEBUG_DEFAULT)dnl
973 dnl Option parsed, now set things appropriately
974 case "${enable_debug}" in
976 DEBUG_FLAGS='-O0 -ggdb3'
982 AC_SUBST(DEBUG_FLAGS)
987 dnl Check for "unusual" flags to pass to the compiler while building.
989 dnl GLIBCPP_ENABLE_CXX_FLAGS
990 dnl --enable-cxx-flags='-foo -bar -baz' is a general method for passing
991 dnl experimental flags such as -fhonor-std, -fsquangle, -Dfloat=char, etc.
992 dnl Somehow this same set of flags must be passed when [re]building
994 dnl --disable-cxx-flags passes nothing.
995 dnl + See http://gcc.gnu.org/ml/libstdc++/2000-q2/msg00131.html
996 dnl http://gcc.gnu.org/ml/libstdc++/2000-q2/msg00284.html
997 dnl http://gcc.gnu.org/ml/libstdc++/2000-q1/msg00035.html
998 dnl + Usage: GLIBCPP_ENABLE_CXX_FLAGS(default flags)
999 dnl If "default flags" is an empty string (or "none"), the effect is
1000 dnl the same as --disable or --enable=no.
1001 AC_DEFUN(GLIBCPP_ENABLE_CXX_FLAGS, [dnl
1002 define([GLIBCPP_ENABLE_CXX_FLAGS_DEFAULT], ifelse($1,,, $1))dnl
1003 AC_ARG_ENABLE(cxx-flags,
1004 changequote(<<, >>)dnl
1005 << --enable-cxx-flags=FLAGS pass compiler FLAGS when building library;
1006 [default=>>GLIBCPP_ENABLE_CXX_FLAGS_DEFAULT],
1007 changequote([, ])dnl
1008 [case "x$enableval" in
1010 AC_MSG_ERROR([--enable-cxx-flags needs compiler flags as arguments]) ;;
1012 enable_cxx_flags='' ;;
1014 enable_cxx_flags="$enableval" ;;
1016 enable_cxx_flags='GLIBCPP_ENABLE_CXX_FLAGS_DEFAULT')
1018 dnl Thinko on my part during design. This kludge is the workaround.
1019 if test "$enable_cxx_flags" = "none"; then
1020 enable_cxx_flags='';
1023 dnl Run through flags (either default or command-line) and set anything
1024 dnl extra (e.g., #defines) that must accompany particular g++ options.
1025 if test -n "$enable_cxx_flags"; then
1026 for f in $enable_cxx_flags; do
1030 *) # and we're trying to pass /what/ exactly?
1031 AC_MSG_ERROR([compiler flags start with a -]) ;;
1035 EXTRA_CXX_FLAGS="$enable_cxx_flags"
1036 AC_SUBST(EXTRA_CXX_FLAGS)
1041 dnl Check for which locale library to use: gnu or generic.
1043 dnl GLIBCPP_ENABLE_CLOCALE
1044 dnl --enable-clocale=gnu sets config/locale/c_locale_gnu.cc and friends
1045 dnl --enable-clocale=generic sets config/locale/c_locale_generic.cc and friends
1047 dnl default is generic
1049 AC_DEFUN(GLIBCPP_ENABLE_CLOCALE, [
1050 AC_MSG_CHECKING([for clocale to use])
1051 AC_ARG_ENABLE(clocale,
1052 [ --enable-clocale enable model for target locale package.
1053 --enable-clocale=MODEL use MODEL target-speific locale package. [default=generic]
1055 if test x$enable_clocale = xno; then
1060 enable_clocale_flag=$enable_clocale
1062 dnl Probe for locale support if no specific model is specified.
1063 dnl Default to "generic"
1064 if test x$enable_clocale_flag = xno; then
1065 case x${target_os} in
1067 AC_EGREP_CPP([ok], [
1068 #include <features.h>
1069 #if __GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 2)
1072 ], enable_clocale_flag=gnu, enable_clocale_flag=generic)
1075 enable_clocale_flag=generic
1080 dnl Set configure bits for specified locale package
1081 case x${enable_clocale_flag} in
1083 AC_MSG_RESULT(generic)
1085 # Don't use gettext.
1088 CLOCALE_H=config/locale/c_locale_generic.h
1089 CLOCALE_CC=config/locale/c_locale_generic.cc
1090 CCODECVT_H=config/locale/codecvt_specializations_generic.h
1091 CCOLLATE_CC=config/locale/collate_members_generic.cc
1092 CCTYPE_CC=config/locale/ctype_members_generic.cc
1093 CMESSAGES_H=config/locale/messages_members_generic.h
1094 CMESSAGES_CC=config/locale/messages_members_generic.cc
1095 CMONEY_CC=config/locale/moneypunct_members_generic.cc
1096 CNUMERIC_CC=config/locale/numpunct_members_generic.cc
1097 CTIME_CC=config/locale/time_members_generic.cc
1102 # Declare intention to use gettext, and add support for specific
1104 # For some reason, ALL_LINGUAS has to be before AM_GNU_GETTEXT
1106 # Don't call AM_GNU_GETTEXT here. Instead, assume glibc.
1107 # Need to deal with MSGFMT, USE_NLS, and glibcpp_[P,M]OFILES
1110 # Export the build objects.
1111 for ling in $ALL_LINGUAS; do \
1112 glibcpp_MOFILES="$glibcpp_MOFILES $ling.mo"; \
1113 glibcpp_POFILES="$glibcpp_POFILES $ling.po"; \
1115 AC_SUBST(glibcpp_MOFILES)
1116 AC_SUBST(glibcpp_POFILES)
1118 CLOCALE_H=config/locale/c_locale_gnu.h
1119 CLOCALE_CC=config/locale/c_locale_gnu.cc
1120 CCODECVT_H=config/locale/codecvt_specializations_ieee_1003.1-200x.h
1121 CCOLLATE_CC=config/locale/collate_members_gnu.cc
1122 CCTYPE_CC=config/locale/ctype_members_gnu.cc
1123 CMESSAGES_H=config/locale/messages_members_gnu.h
1124 CMESSAGES_CC=config/locale/messages_members_gnu.cc
1125 CMONEY_CC=config/locale/moneypunct_members_gnu.cc
1126 CNUMERIC_CC=config/locale/numpunct_members_gnu.cc
1127 CTIME_CC=config/locale/time_members_gnu.cc
1130 AC_MSG_RESULT(generic)
1132 # Don't use gettext.
1135 CLOCALE_H=config/locale/c_locale_ieee_1003.1-200x.h
1136 CLOCALE_CC=config/locale/c_locale_ieee_1003.1-200x.cc
1137 CCODECVT_H=config/locale/codecvt_specializations_ieee_1003.1-200x.h
1138 CCOLLATE_CC=config/locale/collate_members_generic.cc
1139 CCTYPE_CC=config/locale/ctype_members_generic.cc
1140 CMESSAGES_H=config/locale/messages_members_ieee_1003.1-200x.h
1141 CMESSAGES_CC=config/locale/messages_members_ieee_1003.1-200x.cc
1142 CMONEY_CC=config/locale/moneypunct_members_generic.cc
1143 CNUMERIC_CC=config/locale/numpunct_members_generic.cc
1144 CTIME_CC=config/locale/time_members_generic.cc
1147 echo "$enable_clocale is an unknown locale package" 1>&2
1152 # This is where the testsuite looks for locale catalogs, using the
1153 # -DLOCALEDIR define during testsuite compilation.
1154 glibcpp_localedir=${glibcpp_builddir}/po/share/locale
1155 AC_SUBST(glibcpp_localedir)
1159 AC_SUBST(CCODECVT_H)
1160 AC_SUBST(CMESSAGES_H)
1161 AC_LINK_FILES($CLOCALE_CC, src/c++locale.cc)
1162 AC_LINK_FILES($CCOLLATE_CC, src/collate.cc)
1163 AC_LINK_FILES($CCTYPE_CC, src/ctype.cc)
1164 AC_LINK_FILES($CMESSAGES_CC, src/messages.cc)
1165 AC_LINK_FILES($CMONEY_CC, src/moneypunct.cc)
1166 AC_LINK_FILES($CNUMERIC_CC, src/numpunct.cc)
1167 AC_LINK_FILES($CTIME_CC, src/time.cc)
1172 dnl Check for which I/O library to use: libio, or something specific.
1174 dnl GLIBCPP_ENABLE_CSTDIO
1175 dnl --enable-cstdio=libio sets config/io/c_io_libio.h and friends
1177 dnl default is stdio
1179 AC_DEFUN(GLIBCPP_ENABLE_CSTDIO, [
1180 AC_MSG_CHECKING([for cstdio to use])
1181 AC_ARG_ENABLE(cstdio,
1182 [ --enable-cstdio enable stdio for target io package.
1183 --enable-cstdio=LIB use LIB target-speific io package. [default=stdio]
1185 if test x$enable_cstdio = xno; then
1188 enable_cstdio=stdio)
1190 enable_cstdio_flag=$enable_cstdio
1192 dnl Check if a valid I/O package
1193 case x${enable_cstdio_flag} in
1195 CSTDIO_H=config/io/c_io_libio.h
1196 BASIC_FILE_H=config/io/basic_file_libio.h
1197 BASIC_FILE_CC=config/io/basic_file_libio.cc
1198 AC_MSG_RESULT(libio)
1200 # see if we are on a system with libio native (ie, linux)
1201 AC_CHECK_HEADER(libio.h, has_libio=yes, has_libio=no)
1203 # Need to check and see what version of glibc is being used. If
1204 # it's not glibc-2.2 or higher, then we'll need to go ahead and
1205 # compile most of libio for linux systems.
1206 if test x$has_libio = x"yes"; then
1209 AC_MSG_CHECKING([for glibc version >= 2.2])
1210 AC_EGREP_CPP([ok], [
1211 #include <features.h>
1212 #if __GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 2)
1215 ], glibc_satisfactory=yes, glibc_satisfactory=no)
1216 AC_MSG_RESULT($glibc_satisfactory)
1220 # XXX at the moment, admit defeat and force the recompilation
1221 # XXX of glibc even on glibc-2.2 systems, because libio is not synched.
1222 glibc_satisfactory=no
1224 if test x$glibc_satisfactory = x"yes"; then
1229 # bkoz XXX need to add checks to enable this
1230 # pme XXX here's a first pass at such a check
1231 if test x$enable_c_mbchar != xno; then
1239 # Using libio, but <libio.h> doesn't exist on the target system. . .
1241 # bkoz XXX need to add checks to enable this
1242 # pme XXX here's a first pass at such a check
1243 if test x$enable_c_mbchar != xno; then
1250 xstdio | x | xno | xnone | xyes)
1252 CSTDIO_H=config/io/c_io_stdio.h
1253 BASIC_FILE_H=config/io/basic_file_stdio.h
1254 BASIC_FILE_CC=config/io/basic_file_stdio.cc
1255 AC_MSG_RESULT(stdio)
1257 # We're not using stdio.
1262 echo "$enable_cstdio is an unknown io package" 1>&2
1267 AC_SUBST(BASIC_FILE_H)
1268 AC_LINK_FILES($BASIC_FILE_CC, src/basic_file.cc)
1270 # 2000-08-04 bkoz hack
1271 CCODECVT_C=config/io/c_io_libio_codecvt.c
1272 AC_SUBST(CCODECVT_C)
1273 # 2000-08-04 bkoz hack
1275 AM_CONDITIONAL(GLIBCPP_BUILD_LIBIO,
1276 test "$need_libio" = yes || test "$need_wlibio" = yes)
1277 AM_CONDITIONAL(GLIBCPP_NEED_LIBIO, test "$need_libio" = yes)
1278 AM_CONDITIONAL(GLIBCPP_NEED_WLIBIO, test "$need_wlibio" = yes)
1279 if test "$need_libio" = yes || test "$need_wlibio" = yes; then
1280 libio_la=../libio/libio.la
1289 dnl Setup to use the gcc gthr.h thread-specific memory and mutex model.
1290 dnl We must stage the required headers so that they will be installed
1291 dnl with the library (unlike libgcc, the STL implementation is provided
1292 dnl solely within headers). Since we must not inject random user-space
1293 dnl macro names into user-provided C++ code, we first stage into <file>-in
1294 dnl and process to <file> with an output command. The reason for a two-
1295 dnl stage process here is to correctly handle $srcdir!=$objdir without
1296 dnl having to write complex code (the sed commands to clean the macro
1297 dnl namespace are complex and fragile enough as it is). We must also
1298 dnl add a relative path so that -I- is supported properly.
1300 AC_DEFUN(GLIBCPP_ENABLE_THREADS, [
1301 AC_MSG_CHECKING([for thread model used by GCC])
1302 target_thread_file=`$CC -v 2>&1 | sed -n 's/^Thread model: //p'`
1303 AC_MSG_RESULT([$target_thread_file])
1305 if test $target_thread_file != single; then
1306 AC_DEFINE(HAVE_GTHR_DEFAULT)
1307 AC_DEFINE(_GLIBCPP_SUPPORTS_WEAK, __GXX_WEAK__)
1310 glibcpp_thread_h=gthr-$target_thread_file.h
1311 AC_SUBST(glibcpp_thread_h)
1316 dnl Check for exception handling support. If an explicit enable/disable
1317 dnl sjlj exceptions is given, we don't have to detect. Otherwise the
1318 dnl target may or may not support call frame exceptions.
1320 dnl GLIBCPP_ENABLE_SJLJ_EXCEPTIONS
1321 dnl --enable-sjlj-exceptions forces the use of builtin setjmp.
1322 dnl --disable-sjlj-exceptions forces the use of call frame unwinding.
1324 dnl Define _GLIBCPP_SJLJ_EXCEPTIONS if the compiler is configured for it.
1326 AC_DEFUN(GLIBCPP_ENABLE_SJLJ_EXCEPTIONS, [
1327 AC_MSG_CHECKING([for exception model to use])
1330 AC_ARG_ENABLE(sjlj-exceptions,
1331 [ --enable-sjlj-exceptions force use of builtin_setjmp for exceptions],
1333 [dnl Botheration. Now we've got to detect the exception model.
1334 dnl Link tests against libgcc.a are problematic since -- at least
1335 dnl as of this writing -- we've not been given proper -L bits for
1336 dnl single-tree newlib and libgloss.
1338 dnl This is what AC_TRY_COMPILE would do if it didn't delete the
1339 dnl conftest files before we got a change to grep them first.
1340 cat > conftest.$ac_ext << EOF
1341 [#]line __oline__ "configure"
1350 old_CXXFLAGS="$CXXFLAGS"
1352 if AC_TRY_EVAL(ac_compile); then
1353 if grep _Unwind_SjLj_Resume conftest.s >/dev/null 2>&1 ; then
1354 enable_sjlj_exceptions=yes
1355 elif grep _Unwind_Resume conftest.s >/dev/null 2>&1 ; then
1356 enable_sjlj_exceptions=no
1359 CXXFLAGS="$old_CXXFLAGS"
1361 if test x$enable_sjlj_exceptions = xyes; then
1362 AC_DEFINE(_GLIBCPP_SJLJ_EXCEPTIONS, 1,
1363 [Define if the compiler is configured for setjmp/longjmp exceptions.])
1364 ac_exception_model_name=sjlj
1365 elif test x$enable_sjlj_exceptions = xno; then
1366 ac_exception_model_name="call frame"
1368 AC_MSG_ERROR([unable to detect exception model])
1371 AC_MSG_RESULT($ac_exception_model_name)
1376 dnl Check for ISO/IEC 9899:1999 "C99" support.
1378 dnl GLIBCPP_ENABLE_C99
1379 dnl --enable-c99 defines _GLIBCPP_USE_C99
1380 dnl --disable-c99 leaves _GLIBCPP_USE_C99 undefined
1381 dnl + Usage: GLIBCPP_ENABLE_C99[(DEFAULT)]
1382 dnl Where DEFAULT is either `yes' or `no'. If omitted, it
1383 dnl defaults to `no'.
1384 dnl + If 'C99' stuff is not available, ignores DEFAULT and sets `no'.
1386 dnl GLIBCPP_ENABLE_C99
1387 AC_DEFUN(GLIBCPP_ENABLE_C99, [dnl
1388 define([GLIBCPP_ENABLE_C99_DEFAULT], ifelse($1, yes, yes, no))dnl
1391 changequote(<<, >>)dnl
1392 <<--enable-c99 turns on 'ISO/IEC 9899:1999 support' [default=>>GLIBCPP_ENABLE_C99_DEFAULT],
1393 changequote([, ])dnl
1394 [case "$enableval" in
1395 yes) enable_c99=yes ;;
1396 no) enable_c99=no ;;
1397 *) AC_MSG_ERROR([Unknown argument to enable/disable C99]) ;;
1399 enable_c99=GLIBCPP_ENABLE_C99_DEFAULT)dnl
1404 # Check for the existence of <math.h> functions used if C99 is enabled.
1406 AC_MSG_CHECKING([for ISO C99 support in <math.h>])
1407 AC_TRY_COMPILE([#include <math.h>],[fpclassify(0.0);],, [ac_c99_math=no])
1408 AC_TRY_COMPILE([#include <math.h>],[isfinite(0.0);],, [ac_c99_math=no])
1409 AC_TRY_COMPILE([#include <math.h>],[isinf(0.0);],, [ac_c99_math=no])
1410 AC_TRY_COMPILE([#include <math.h>],[isnan(0.0);],, [ac_c99_math=no])
1411 AC_TRY_COMPILE([#include <math.h>],[isnormal(0.0);],, [ac_c99_math=no])
1412 AC_TRY_COMPILE([#include <math.h>],[signbit(0.0);],, [ac_c99_math=no])
1413 AC_TRY_COMPILE([#include <math.h>],[isgreater(0.0,0.0);],, [ac_c99_math=no])
1414 AC_TRY_COMPILE([#include <math.h>],
1415 [isgreaterequal(0.0,0.0);],, [ac_c99_math=no])
1416 AC_TRY_COMPILE([#include <math.h>],[isless(0.0,0.0);],, [ac_c99_math=no])
1417 AC_TRY_COMPILE([#include <math.h>],[islessequal(0.0,0.0);],,[ac_c99_math=no])
1418 AC_TRY_COMPILE([#include <math.h>],
1419 [islessgreater(0.0,0.0);],, [ac_c99_math=no])
1420 AC_TRY_COMPILE([#include <math.h>],
1421 [isunordered(0.0,0.0);],, [ac_c99_math=no])
1422 AC_MSG_RESULT($ac_c99_math)
1424 # Check for the existence in <stdio.h> of vscanf, et. al.
1426 AC_MSG_CHECKING([for ISO C99 support in <stdio.h>])
1427 AC_TRY_COMPILE([#include <stdio.h>],
1428 [snprintf("12", 0, "%i");],, [ac_c99_stdio=no])
1429 AC_TRY_COMPILE([#include <stdio.h>
1431 void foo(char* fmt, ...)
1432 {va_list args; va_start(args, fmt);
1433 vfscanf(stderr, "%i", args);}],
1434 [],, [ac_c99_stdio=no])
1435 AC_TRY_COMPILE([#include <stdio.h>
1437 void foo(char* fmt, ...)
1438 {va_list args; va_start(args, fmt);
1439 vscanf("%i", args);}],
1440 [],, [ac_c99_stdio=no])
1441 AC_TRY_COMPILE([#include <stdio.h>
1443 void foo(char* fmt, ...)
1444 {va_list args; va_start(args, fmt);
1445 vsnprintf(fmt, 0, "%i", args);}],
1446 [],, [ac_c99_stdio=no])
1447 AC_TRY_COMPILE([#include <stdio.h>
1449 void foo(char* fmt, ...)
1450 {va_list args; va_start(args, fmt);
1451 vsscanf(fmt, "%i", args);}],
1452 [],, [ac_c99_stdio=no])
1453 AC_MSG_RESULT($ac_c99_stdio)
1455 # Check for the existence in <stdlib.h> of lldiv_t, et. al.
1457 AC_MSG_CHECKING([for lldiv_t declaration])
1458 AC_CACHE_VAL(ac_c99_lldiv_t, [
1459 AC_TRY_COMPILE([#include <stdlib.h>],
1461 [ac_c99_lldiv_t=yes], [ac_c99_lldiv_t=no])
1463 AC_MSG_RESULT($ac_c99_lldiv_t)
1465 AC_MSG_CHECKING([for ISO C99 support in <stdlib.h>])
1466 AC_TRY_COMPILE([#include <stdlib.h>],
1467 [char* tmp; strtof("gnu", &tmp);],, [ac_c99_stdlib=no])
1468 AC_TRY_COMPILE([#include <stdlib.h>],
1469 [char* tmp; strtold("gnu", &tmp);],, [ac_c99_stdlib=no])
1470 AC_TRY_COMPILE([#include <stdlib.h>], [llabs(10);],, [ac_c99_stdlib=no])
1471 AC_TRY_COMPILE([#include <stdlib.h>], [lldiv(10,1);],, [ac_c99_stdlib=no])
1472 AC_TRY_COMPILE([#include <stdlib.h>], [atoll("10");],, [ac_c99_stdlib=no])
1473 AC_TRY_COMPILE([#include <stdlib.h>], [_Exit(0);],, [ac_c99_stdlib=no])
1474 if test x"$ac_c99_lldiv_t" = x"no"; then
1477 AC_MSG_RESULT($ac_c99_stdlib)
1479 # Check for the existence of <wchar.h> functions used if C99 is enabled.
1480 # XXX the wchar.h checks should be rolled into the general C99 bits.
1482 AC_MSG_CHECKING([for additional ISO C99 support in <wchar.h>])
1483 AC_TRY_COMPILE([#include <wchar.h>],
1484 [wcstold(L"10.0", NULL);],, [ac_c99_wchar=no])
1485 AC_TRY_COMPILE([#include <wchar.h>],
1486 [wcstoll(L"10", NULL, 10);],, [ac_c99_wchar=no])
1487 AC_TRY_COMPILE([#include <wchar.h>],
1488 [wcstoull(L"10", NULL, 10);],, [ac_c99_wchar=no])
1489 AC_MSG_RESULT($ac_c99_wchar)
1491 AC_MSG_CHECKING([for enabled ISO C99 support])
1492 if test x"$ac_c99_math" = x"no" ||
1493 test x"$ac_c99_stdio" = x"no" ||
1494 test x"$ac_c99_stdlib" = x"no" ||
1495 test x"$ac_c99_wchar" = x"no"; then
1498 AC_MSG_RESULT($enable_c99)
1500 # Option parsed, now set things appropriately
1501 if test x"$enable_c99" = x"yes"; then
1502 AC_DEFINE(_GLIBCPP_USE_C99)
1510 dnl Check for template specializations for the 'long long' type extension.
1511 dnl The result determines only whether 'long long' I/O is enabled; things
1512 dnl like numeric_limits<> specializations are always available.
1514 dnl GLIBCPP_ENABLE_LONG_LONG
1515 dnl --enable-long-long defines _GLIBCPP_USE_LONG_LONG
1516 dnl --disable-long-long leaves _GLIBCPP_USE_LONG_LONG undefined
1517 dnl + Usage: GLIBCPP_ENABLE_LONG_LONG[(DEFAULT)]
1518 dnl Where DEFAULT is either `yes' or `no'. If omitted, it
1519 dnl defaults to `no'.
1520 dnl + If 'long long' stuff is not available, ignores DEFAULT and sets `no'.
1522 dnl GLIBCPP_ENABLE_LONG_LONG
1523 AC_DEFUN(GLIBCPP_ENABLE_LONG_LONG, [dnl
1524 define([GLIBCPP_ENABLE_LONG_LONG_DEFAULT], ifelse($1, yes, yes, no))dnl
1526 AC_ARG_ENABLE(long-long,
1527 changequote(<<, >>)dnl
1528 <<--enable-long-long turns on 'long long' [default=>>GLIBCPP_ENABLE_LONG_LONG_DEFAULT],
1529 changequote([, ])dnl
1530 [case "$enableval" in
1531 yes) enable_long_long=yes ;;
1532 no) enable_long_long=no ;;
1533 *) AC_MSG_ERROR([Unknown argument to enable/disable long long]) ;;
1535 enable_long_long=GLIBCPP_ENABLE_LONG_LONG_DEFAULT)dnl
1540 AC_MSG_CHECKING([for enabled long long I/O support])
1541 # iostreams require strtoll, strtoull to compile
1542 AC_TRY_COMPILE([#include <stdlib.h>],
1543 [char* tmp; strtoll("gnu", &tmp, 10);],,[enable_long_long=no])
1544 AC_TRY_COMPILE([#include <stdlib.h>],
1545 [char* tmp; strtoull("gnu", &tmp, 10);],,[enable_long_long=no])
1547 # Option parsed, now set things appropriately
1548 if test x"$enable_long_long" = xyes; then
1549 AC_DEFINE(_GLIBCPP_USE_LONG_LONG)
1551 AC_MSG_RESULT($enable_long_long)
1558 dnl Check for what kind of C headers to use.
1560 dnl GLIBCPP_ENABLE_CHEADERS
1561 dnl --enable-cheaders= [does stuff].
1562 dnl --disable-cheaders [does not do anything, really].
1563 dnl + This will eventually need to be 'c_shadow' by default.
1564 dnl + Usage: GLIBCPP_ENABLE_CHEADERS[(DEFAULT)]
1565 dnl Where DEFAULT is either `c' or `c_std' or 'c_shadow'.
1566 dnl If ommitted, it defaults to `c_std'.
1567 AC_DEFUN(GLIBCPP_ENABLE_CHEADERS, [dnl
1568 define([GLIBCPP_ENABLE_CHEADERS_DEFAULT], ifelse($1, c_std, c_std, c_std))dnl
1569 AC_MSG_CHECKING([for c header strategy to use])
1570 AC_ARG_ENABLE(cheaders,
1571 changequote(<<, >>)dnl
1572 << --enable-cheaders construct "C" header files for g++ [default=>>GLIBCPP_ENABLE_CHEADERS_DEFAULT],
1574 [case "$enableval" in
1579 enable_cheaders=c_std
1582 enable_cheaders=c_shadow
1584 *) AC_MSG_ERROR([Unknown argument to enable/disable "C" headers])
1587 enable_cheaders=GLIBCPP_ENABLE_CHEADERS_DEFAULT)
1588 AC_MSG_RESULT($enable_cheaders)
1590 dnl Option parsed, now set things appropriately
1591 case "$enable_cheaders" in
1593 CSHADOW_FLAGS="-fno-builtin"
1594 C_INCLUDE_DIR='${glibcpp_srcdir}/include/c_shadow'
1595 AC_DEFINE(_GLIBCPP_USE_SHADOW_HEADERS)
1599 C_INCLUDE_DIR='${glibcpp_srcdir}/include/c_std'
1603 C_INCLUDE_DIR='${glibcpp_srcdir}/include/c'
1607 AC_SUBST(CSHADOW_FLAGS)
1608 AC_SUBST(C_INCLUDE_DIR)
1609 AM_CONDITIONAL(GLIBCPP_USE_CSHADOW, test "$enable_cheaders" = c_shadow)
1614 dnl Check for wide character support. Has the same effect as the option
1615 dnl in gcc's configure, but in a form that autoconf can mess with.
1617 dnl GLIBCPP_ENABLE_C_MBCHAR
1618 dnl --enable-c-mbchar requests all the wchar_t stuff.
1619 dnl --disable-c-mbchar doesn't.
1620 dnl + Usage: GLIBCPP_ENABLE_C_MBCHAR[(DEFAULT)]
1621 dnl Where DEFAULT is either `yes' or `no'. If ommitted, it
1622 dnl defaults to `no'.
1623 AC_DEFUN(GLIBCPP_ENABLE_C_MBCHAR, [dnl
1624 define([GLIBCPP_ENABLE_C_MBCHAR_DEFAULT], ifelse($1, yes, yes, no))dnl
1625 AC_ARG_ENABLE(c-mbchar,
1626 changequote(<<, >>)dnl
1627 << --enable-c-mbchar enable multibyte (wide) characters [default=>>GLIBCPP_ENABLE_C_MBCHAR_DEFAULT],
1628 changequote([, ])dnl
1629 [case "$enableval" in
1630 yes) enable_c_mbchar=yes ;;
1631 no) enable_c_mbchar=no ;;
1632 *) AC_MSG_ERROR([Unknown argument to enable/disable c-mbchar]) ;;
1634 enable_c_mbchar=GLIBCPP_ENABLE_C_MBCHAR_DEFAULT)dnl
1635 dnl Option parsed, now other scripts can test enable_c_mbchar for yes/no.
1640 dnl Set up *_INCLUDES and *_INCLUDE_DIR variables for all sundry Makefile.am's.
1642 dnl TOPLEVEL_INCLUDES
1643 dnl LIBMATH_INCLUDES
1644 dnl LIBSUPCXX_INCLUDES
1646 dnl CSHADOW_INCLUDES
1648 dnl GLIBCPP_EXPORT_INCLUDES
1649 AC_DEFUN(GLIBCPP_EXPORT_INCLUDES, [
1650 # Root level of the build directory include sources.
1651 GLIBCPP_INCLUDES="-I${glibcpp_builddir}/include/${target_alias} -I${glibcpp_builddir}/include"
1653 # Passed down for canadian crosses.
1654 if test x"$CANADIAN" = xyes; then
1655 TOPLEVEL_INCLUDES='-I$(includedir)'
1658 LIBMATH_INCLUDES='-I$(top_srcdir)/libmath'
1660 LIBSUPCXX_INCLUDES='-I$(top_srcdir)/libsupc++'
1662 if test x"$need_libio" = xyes; then
1663 LIBIO_INCLUDES='-I$(top_builddir)/libio -I$(top_srcdir)/libio'
1664 AC_SUBST(LIBIO_INCLUDES)
1667 # Now, export this to all the little Makefiles....
1668 AC_SUBST(GLIBCPP_INCLUDES)
1669 AC_SUBST(TOPLEVEL_INCLUDES)
1670 AC_SUBST(LIBMATH_INCLUDES)
1671 AC_SUBST(LIBSUPCXX_INCLUDES)
1676 dnl Set up *_FLAGS and *FLAGS variables for all sundry Makefile.am's.
1678 AC_DEFUN(GLIBCPP_EXPORT_FLAGS, [
1679 # Optimization flags that are probably a good idea for thrill-seekers. Just
1680 # uncomment the lines below and make, everything else is ready to go...
1681 # OPTIMIZE_CXXFLAGS = -O3 -fstrict-aliasing -fvtable-gc
1683 AC_SUBST(OPTIMIZE_CXXFLAGS)
1685 WARN_FLAGS='-Wall -Wno-format -W -Wwrite-strings -Winline'
1686 AC_SUBST(WARN_FLAGS)
1690 dnl GLIBCPP_EXPORT_INSTALL_INFO
1691 dnl calculates gxx_install_dir
1692 dnl exports glibcpp_toolexecdir
1693 dnl exports glibcpp_toolexeclibdir
1694 dnl exports glibcpp_prefixdir
1696 dnl Assumes cross_compiling bits already done, and with_cross_host in
1699 dnl GLIBCPP_EXPORT_INSTALL_INFO
1700 AC_DEFUN(GLIBCPP_EXPORT_INSTALL_INFO, [
1701 # Assumes glibcpp_builddir, glibcpp_srcdir are alreay set up and
1702 # exported correctly in GLIBCPP_CONFIGURE.
1703 glibcpp_toolexecdir=no
1704 glibcpp_toolexeclibdir=no
1705 glibcpp_prefixdir=${prefix}
1707 AC_MSG_CHECKING([for interface version number])
1708 libstdcxx_interface=$INTERFACE
1709 AC_MSG_RESULT($libstdcxx_interface)
1711 # Process the option --with-gxx-include-dir=<path to include-files directory>
1712 AC_MSG_CHECKING([for --with-gxx-include-dir])
1713 AC_ARG_WITH(gxx-include-dir,
1714 [ --with-gxx-include-dir the installation directory for include files],
1715 [case "${withval}" in
1717 AC_MSG_ERROR(Missing directory for --with-gxx-include-dir)
1724 gxx_include_dir=${withval}
1726 esac], [gxx_include_dir=no])
1727 AC_MSG_RESULT($gxx_include_dir)
1729 # Process the option "--enable-version-specific-runtime-libs"
1730 AC_MSG_CHECKING([for --enable-version-specific-runtime-libs])
1731 AC_ARG_ENABLE(version-specific-runtime-libs,
1732 [ --enable-version-specific-runtime-libs Specify that runtime libraries should be installed in a compiler-specific directory ],
1733 [case "$enableval" in
1734 yes) version_specific_libs=yes ;;
1735 no) version_specific_libs=no ;;
1736 *) AC_MSG_ERROR([Unknown argument to enable/disable version-specific libs]);;
1738 version_specific_libs=no)dnl
1739 # Option set, now we can test it.
1740 AC_MSG_RESULT($version_specific_libs)
1742 if test $version_specific_libs = yes; then
1743 # Need the gcc compiler version to know where to install libraries
1744 # and header files if --enable-version-specific-runtime-libs option
1747 gcc_version_trigger=${srcdir}/../gcc/version.c
1748 gcc_version_full=`grep version_string ${gcc_version_trigger} | sed -e 's/.*\"\([^\"]*\)\".*/\1/'`
1749 gcc_version=`echo ${gcc_version_full} | sed -e 's/\([^ ]*\) .*/\1/'`
1750 gxx_include_dir='$(libdir)/gcc-lib/$(target_alias)/'${gcc_version}/include/g++
1751 glibcpp_toolexecdir='$(libdir)/gcc-lib/$(target_alias)'
1752 glibcpp_toolexeclibdir='$(toolexecdir)/'${gcc_version}'$(MULTISUBDIR)'
1756 # Default case for install directory for include files.
1757 if test $version_specific_libs = no &&
1758 test $gxx_include_dir = no; then
1759 gxx_include_dir='$(prefix)'/include/g++-${libstdcxx_interface}
1762 # Calculate glibcpp_toolexecdir, glibcpp_toolexeclibdir
1763 # Install a library built with a cross compiler in tooldir, not libdir.
1764 if test x"$glibcpp_toolexecdir" = x"no"; then
1765 if test -n "$with_cross_host" &&
1766 test x"$with_cross_host" != x"no"; then
1767 glibcpp_toolexecdir='$(exec_prefix)/$(target_alias)'
1768 glibcpp_toolexeclibdir='$(toolexecdir)/lib$(MULTISUBDIR)'
1770 glibcpp_toolexecdir='$(libdir)/gcc-lib/$(target_alias)'
1771 glibcpp_toolexeclibdir='$(libdir)$(MULTISUBDIR)'
1775 AC_MSG_CHECKING([for install location])
1776 AC_MSG_RESULT($gxx_include_dir)
1778 AC_SUBST(glibcpp_prefixdir)
1779 AC_SUBST(gxx_include_dir)
1780 AC_SUBST(glibcpp_toolexecdir)
1781 AC_SUBST(glibcpp_toolexeclibdir)
1785 # Check for functions in math library.
1786 # Ulrich Drepper <drepper@cygnus.com>, 1998.
1788 # This file can be copied and used freely without restrictions. It can
1789 # be used in projects which are not available under the GNU Public License
1790 # but which still want to provide support for the GNU gettext functionality.
1791 # Please note that the actual code is *not* freely available.
1795 dnl AC_REPLACE_MATHFUNCS(FUNCTION...)
1796 AC_DEFUN(AC_REPLACE_MATHFUNCS,
1797 [AC_CHECK_FUNCS([$1], , [LIBMATHOBJS="$LIBMATHOBJS ${ac_func}.lo"])
1798 AC_SUBST(LIBMATHOBJS)dnl
1803 dnl This macro searches for a GNU version of make. If a match is found, the
1804 dnl makefile variable `ifGNUmake' is set to the empty string, otherwise it is
1805 dnl set to "#". This is useful for including a special features in a Makefile,
1806 dnl which cannot be handled by other versions of make. The variable
1807 dnl _cv_gnu_make_command is set to the command to invoke GNU make if it exists,
1808 dnl the empty string otherwise.
1810 dnl Here is an example of its use:
1812 dnl Makefile.in might contain:
1814 dnl # A failsafe way of putting a dependency rule into a makefile
1816 dnl $(CC) -MM $(srcdir)/*.c > $(DEPEND)
1818 dnl @ifGNUmake@ ifeq ($(DEPEND),$(wildcard $(DEPEND)))
1819 dnl @ifGNUmake@ include $(DEPEND)
1820 dnl @ifGNUmake@ endif
1822 dnl Then configure.in would normally contain:
1824 dnl CHECK_GNU_MAKE()
1825 dnl AC_OUTPUT(Makefile)
1827 dnl Then perhaps to cause gnu make to override any other make, we could do
1828 dnl something like this (note that GNU make always looks for GNUmakefile first):
1830 dnl if ! test x$_cv_gnu_make_command = x ; then
1831 dnl mv Makefile GNUmakefile
1832 dnl echo .DEFAULT: > Makefile ;
1833 dnl echo \ $_cv_gnu_make_command \$@ >> Makefile;
1836 dnl Then, if any (well almost any) other make is called, and GNU make also
1837 dnl exists, then the other make wraps the GNU make.
1839 dnl @author John Darrington <j.darrington@elvis.murdoch.edu.au>
1840 dnl @version 1.1 #### replaced Id string now that Id is for lib-v3; pme
1842 dnl #### Changes for libstdc++-v3: reformatting and linewrapping; prepending
1843 dnl #### GLIBCPP_ to the macro name; adding the :-make fallback in the
1844 dnl #### conditional's subshell (" --version" is not a command), using a
1845 dnl #### different option to grep(1).
1847 dnl #### Fixed Bourne shell portability bug (use ${MAKE-make}, not
1848 dnl #### ${MAKE:-make}).
1851 GLIBCPP_CHECK_GNU_MAKE, [AC_CACHE_CHECK( for GNU make,_cv_gnu_make_command,
1852 _cv_gnu_make_command='' ;
1853 dnl Search all the common names for GNU make
1854 for a in "${MAKE-make}" make gmake gnumake ; do
1855 if ( $a --version 2> /dev/null | grep -c GNU > /dev/null )
1857 _cv_gnu_make_command=$a ;
1862 dnl If there was a GNU version, then set @ifGNUmake@ to the empty
1863 dnl string, '#' otherwise
1864 if test "x$_cv_gnu_make_command" != "x" ; then
1873 dnl Check for headers for, and arguments to, the setrlimit() function.
1874 dnl Used only in testsuite_hooks.h.
1875 AC_DEFUN(GLIBCPP_CHECK_SETRLIMIT_ancilliary, [
1876 AC_TRY_COMPILE([#include <sys/resource.h>
1878 ], [ int f = RLIMIT_$1 ; ],
1879 [glibcpp_mresult=1], [glibcpp_mresult=0])
1880 AC_DEFINE_UNQUOTED(HAVE_MEMLIMIT_$1, $glibcpp_mresult,
1881 [Only used in build directory testsuite_hooks.h.])
1883 AC_DEFUN(GLIBCPP_CHECK_SETRLIMIT, [
1884 setrlimit_have_headers=yes
1885 AC_CHECK_HEADERS(sys/resource.h unistd.h,
1887 setrlimit_have_headers=no)
1888 # If don't have the headers, then we can't run the tests now, and we
1889 # won't be seeing any of these during testsuite compilation.
1890 if test $setrlimit_have_headers = yes; then
1891 # Can't do these in a loop, else the resulting syntax is wrong.
1892 GLIBCPP_CHECK_SETRLIMIT_ancilliary(DATA)
1893 GLIBCPP_CHECK_SETRLIMIT_ancilliary(RSS)
1894 GLIBCPP_CHECK_SETRLIMIT_ancilliary(VMEM)
1895 GLIBCPP_CHECK_SETRLIMIT_ancilliary(AS)
1897 # Check for rlimit, setrlimit.
1898 AC_CACHE_VAL(ac_setrlimit, [
1899 AC_TRY_COMPILE([#include <sys/resource.h>
1902 [ struct rlimit r; setrlimit(0, &r);],
1903 [ac_setrlimit=yes], [ac_setrlimit=no])
1907 AC_MSG_CHECKING([for testsuite memory limit support])
1908 if test $setrlimit_have_headers = yes && test $ac_setrlimit = yes; then
1910 AC_DEFINE(_GLIBCPP_MEM_LIMITS)
1914 AC_MSG_RESULT($ac_mem_limits)
1919 dnl Does any necessary configuration of the testsuite directory. Generates
1920 dnl the testsuite_hooks.h header.
1922 dnl GLIBCPP_CONFIGURE_TESTSUITE [no args]
1923 AC_DEFUN(GLIBCPP_CONFIGURE_TESTSUITE, [
1924 GLIBCPP_CHECK_SETRLIMIT
1928 sinclude(../libtool.m4)
1929 dnl The lines below arrange for aclocal not to bring an installed
1930 dnl libtool.m4 into aclocal.m4, while still arranging for automake to
1931 dnl add a definition of LIBTOOL to Makefile.in.
1932 ifelse(,,,[AC_SUBST(LIBTOOL)
1933 AC_DEFUN([AM_PROG_LIBTOOL])
1934 AC_DEFUN([AC_LIBTOOL_DLOPEN])
1935 AC_DEFUN([AC_PROG_LD])
1939 # Check whether LC_MESSAGES is available in <locale.h>.
1940 # Ulrich Drepper <drepper@cygnus.com>, 1995.
1942 # This file file be copied and used freely without restrictions. It can
1943 # be used in projects which are not available under the GNU Public License
1944 # but which still want to provide support for the GNU gettext functionality.
1945 # Please note that the actual code is *not* freely available.
1949 AC_DEFUN(AC_LC_MESSAGES, [
1950 AC_CHECK_HEADER(locale.h, [
1951 AC_CACHE_CHECK([for LC_MESSAGES], ac_cv_val_LC_MESSAGES,
1952 [AC_TRY_LINK([#include <locale.h>], [return LC_MESSAGES],
1953 ac_cv_val_LC_MESSAGES=yes, ac_cv_val_LC_MESSAGES=no)])
1954 if test $ac_cv_val_LC_MESSAGES = yes; then
1955 AC_DEFINE(HAVE_LC_MESSAGES)
1962 dnl Check for whether the Boost-derived checks should be turned on.
1964 dnl GLIBCPP_ENABLE_CONCEPT_CHECKS
1965 dnl --enable-concept-checks turns them on.
1966 dnl --disable-concept-checks leaves them off.
1967 dnl + Usage: GLIBCPP_ENABLE_CONCEPT_CHECKS[(DEFAULT)]
1968 dnl Where DEFAULT is either `yes' or `no'. If ommitted, it
1969 dnl defaults to `no'.
1970 AC_DEFUN(GLIBCPP_ENABLE_CONCEPT_CHECKS, [dnl
1971 define([GLIBCPP_ENABLE_CONCEPT_CHECKS_DEFAULT], ifelse($1, yes, yes, no))dnl
1972 AC_ARG_ENABLE(concept-checks,
1973 changequote(<<, >>)dnl
1974 << --enable-concept-checks use Boost-derived template checks [default=>>GLIBCPP_ENABLE_CONCEPT_CHECKS_DEFAULT],
1975 changequote([, ])dnl
1976 [case "$enableval" in
1977 yes) enable_concept_checks=yes ;;
1978 no) enable_concept_checks=no ;;
1979 *) AC_MSG_ERROR([Unknown argument to enable/disable concept checks]) ;;
1981 enable_concept_checks=GLIBCPP_ENABLE_CONCEPT_CHECKS_DEFAULT)dnl
1982 dnl Option parsed, now set things appropriately
1983 if test x"$enable_concept_checks" = xyes; then
1984 AC_DEFINE(_GLIBCPP_CONCEPT_CHECKS)
1991 # This test replaces the one in autoconf.
1992 # Currently this macro should have the same name as the autoconf macro
1993 # because gettext's gettext.m4 (distributed in the automake package)
1994 # still uses it. Otherwise, the use in gettext.m4 makes autoheader
1995 # give these diagnostics:
1996 # configure.in:556: AC_TRY_COMPILE was called before AC_ISC_POSIX
1997 # configure.in:556: AC_TRY_RUN was called before AC_ISC_POSIX
1999 undefine([AC_ISC_POSIX])
2001 AC_DEFUN([AC_ISC_POSIX],
2003 dnl This test replaces the obsolescent AC_ISC_POSIX kludge.
2004 AC_CHECK_LIB(cposix, strerror, [LIBS="$LIBS -lcposix"])
2008 # Add --enable-maintainer-mode option to configure.
2013 AC_DEFUN([AM_MAINTAINER_MODE],
2014 [AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
2015 dnl maintainer-mode is disabled by default
2016 AC_ARG_ENABLE(maintainer-mode,
2017 [ --enable-maintainer-mode enable make rules and dependencies not useful
2018 (and sometimes confusing) to the casual installer],
2019 USE_MAINTAINER_MODE=$enableval,
2020 USE_MAINTAINER_MODE=no)
2021 AC_MSG_RESULT($USE_MAINTAINER_MODE)
2022 AM_CONDITIONAL(MAINTAINER_MODE, test $USE_MAINTAINER_MODE = yes)
2023 MAINT=$MAINTAINER_MODE_TRUE
2028 # Define a conditional.
2030 AC_DEFUN([AM_CONDITIONAL],
2041 # Macro to add for using GNU gettext.
2042 # Ulrich Drepper <drepper@cygnus.com>, 1995.
2044 # This file can be copied and used freely without restrictions. It can
2045 # be used in projects which are not available under the GNU Public License
2046 # but which still want to provide support for the GNU gettext functionality.
2047 # Please note that the actual code is *not* freely available.
2051 dnl Usage: AM_WITH_NLS([TOOLSYMBOL], [NEEDSYMBOL], [LIBDIR]).
2052 dnl If TOOLSYMBOL is specified and is 'use-libtool', then a libtool library
2053 dnl $(top_builddir)/intl/libintl.la will be created (shared and/or static,
2054 dnl depending on --{enable,disable}-{shared,static} and on the presence of
2055 dnl AM-DISABLE-SHARED). Otherwise, a static library
2056 dnl $(top_builddir)/intl/libintl.a will be created.
2057 dnl If NEEDSYMBOL is specified and is 'need-ngettext', then GNU gettext
2058 dnl implementations (in libc or libintl) without the ngettext() function
2059 dnl will be ignored.
2060 dnl LIBDIR is used to find the intl libraries. If empty,
2061 dnl the value `$(top_builddir)/intl/' is used.
2063 dnl The result of the configuration is one of three cases:
2064 dnl 1) GNU gettext, as included in the intl subdirectory, will be compiled
2066 dnl Catalog format: GNU --> install in $(datadir)
2067 dnl Catalog extension: .mo after installation, .gmo in source tree
2068 dnl 2) GNU gettext has been found in the system's C library.
2069 dnl Catalog format: GNU --> install in $(datadir)
2070 dnl Catalog extension: .mo after installation, .gmo in source tree
2071 dnl 3) No internationalization, always use English msgid.
2072 dnl Catalog format: none
2073 dnl Catalog extension: none
2074 dnl The use of .gmo is historical (it was needed to avoid overwriting the
2075 dnl GNU format catalogs when building on a platform with an X/Open gettext),
2076 dnl but we keep it in order not to force irrelevant filename changes on the
2079 AC_DEFUN([AM_WITH_NLS],
2080 [AC_MSG_CHECKING([whether NLS is requested])
2081 dnl Default is enabled NLS
2083 [ --disable-nls do not use Native Language Support],
2084 USE_NLS=$enableval, USE_NLS=yes)
2085 AC_MSG_RESULT($USE_NLS)
2088 BUILD_INCLUDED_LIBINTL=no
2089 USE_INCLUDED_LIBINTL=no
2092 dnl If we use NLS figure out what method
2093 if test "$USE_NLS" = "yes"; then
2094 AC_DEFINE(ENABLE_NLS, 1,
2095 [Define to 1 if translation of program messages to the user's native language
2097 AC_MSG_CHECKING([whether included gettext is requested])
2098 AC_ARG_WITH(included-gettext,
2099 [ --with-included-gettext use the GNU gettext library included here],
2100 nls_cv_force_use_gnu_gettext=$withval,
2101 nls_cv_force_use_gnu_gettext=no)
2102 AC_MSG_RESULT($nls_cv_force_use_gnu_gettext)
2104 nls_cv_use_gnu_gettext="$nls_cv_force_use_gnu_gettext"
2105 if test "$nls_cv_force_use_gnu_gettext" != "yes"; then
2106 dnl User does not insist on using GNU NLS library. Figure out what
2107 dnl to use. If GNU gettext is available we use this. Else we have
2108 dnl to fall back to GNU NLS library.
2111 dnl Add a version number to the cache macros.
2112 define(gt_cv_func_gnugettext_libc, [gt_cv_func_gnugettext]ifelse([$2], need-ngettext, 2, 1)[_libc])
2113 define(gt_cv_func_gnugettext_libintl, [gt_cv_func_gnugettext]ifelse([$2], need-ngettext, 2, 1)[_libintl])
2115 AC_CHECK_HEADER(libintl.h,
2116 [AC_CACHE_CHECK([for GNU gettext in libc], gt_cv_func_gnugettext_libc,
2117 [AC_TRY_LINK([#include <libintl.h>
2118 extern int _nl_msg_cat_cntr;],
2119 [bindtextdomain ("", "");
2120 return (int) gettext ("")]ifelse([$2], need-ngettext, [ + (int) ngettext ("", "", 0)], [])[ + _nl_msg_cat_cntr],
2121 gt_cv_func_gnugettext_libc=yes,
2122 gt_cv_func_gnugettext_libc=no)])
2124 if test "$gt_cv_func_gnugettext_libc" != "yes"; then
2125 AC_CACHE_CHECK([for GNU gettext in libintl],
2126 gt_cv_func_gnugettext_libintl,
2127 [gt_save_LIBS="$LIBS"
2128 LIBS="$LIBS -lintl $LIBICONV"
2129 AC_TRY_LINK([#include <libintl.h>
2130 extern int _nl_msg_cat_cntr;],
2131 [bindtextdomain ("", "");
2132 return (int) gettext ("")]ifelse([$2], need-ngettext, [ + (int) ngettext ("", "", 0)], [])[ + _nl_msg_cat_cntr],
2133 gt_cv_func_gnugettext_libintl=yes,
2134 gt_cv_func_gnugettext_libintl=no)
2135 LIBS="$gt_save_LIBS"])
2138 dnl If an already present or preinstalled GNU gettext() is found,
2139 dnl use it. But if this macro is used in GNU gettext, and GNU
2140 dnl gettext is already preinstalled in libintl, we update this
2141 dnl libintl. (Cf. the install rule in intl/Makefile.in.)
2142 if test "$gt_cv_func_gnugettext_libc" = "yes" \
2143 || { test "$gt_cv_func_gnugettext_libintl" = "yes" \
2144 && test "$PACKAGE" != gettext; }; then
2145 AC_DEFINE(HAVE_GETTEXT, 1,
2146 [Define if the GNU gettext() function is already present or preinstalled.])
2148 if test "$gt_cv_func_gnugettext_libintl" = "yes"; then
2149 dnl If iconv() is in a separate libiconv library, then anyone
2150 dnl linking with libintl{.a,.so} also needs to link with
2152 INTLLIBS="-lintl $LIBICONV"
2155 gt_save_LIBS="$LIBS"
2156 LIBS="$LIBS $INTLLIBS"
2157 AC_CHECK_FUNCS(dcgettext)
2158 LIBS="$gt_save_LIBS"
2160 AM_PATH_PROG_WITH_TEST(MSGFMT, msgfmt,
2161 [test -z "`$ac_dir/$ac_word -h 2>&1 | grep 'dv '`"], no)dnl
2162 if test "$MSGFMT" != "no"; then
2163 AC_PATH_PROG(GMSGFMT, gmsgfmt, $MSGFMT)
2166 AM_PATH_PROG_WITH_TEST(XGETTEXT, xgettext,
2167 [test -z "`$ac_dir/$ac_word -h 2>&1 | grep '(HELP)'`"], :)
2173 if test "$CATOBJEXT" = "NONE"; then
2174 dnl GNU gettext is not found in the C library.
2175 dnl Fall back on GNU gettext library.
2176 nls_cv_use_gnu_gettext=yes
2180 if test "$nls_cv_use_gnu_gettext" = "yes"; then
2181 dnl Mark actions used to generate GNU NLS library.
2182 INTLOBJS="\$(GETTOBJS)"
2183 AM_PATH_PROG_WITH_TEST(MSGFMT, msgfmt,
2184 [test -z "`$ac_dir/$ac_word -h 2>&1 | grep 'dv '`"], msgfmt)
2185 AC_PATH_PROG(GMSGFMT, gmsgfmt, $MSGFMT)
2186 AM_PATH_PROG_WITH_TEST(XGETTEXT, xgettext,
2187 [test -z "`$ac_dir/$ac_word -h 2>&1 | grep '(HELP)'`"], :)
2189 BUILD_INCLUDED_LIBINTL=yes
2190 USE_INCLUDED_LIBINTL=yes
2192 INTLLIBS="ifelse([$3],[],\$(top_builddir)/intl,[$3])/libintl.ifelse([$1], use-libtool, [l], [])a $LIBICONV"
2193 LIBS=`echo " $LIBS " | sed -e 's/ -lintl / /' -e 's/^ //' -e 's/ $//'`
2196 dnl Test whether we really found GNU xgettext.
2197 if test "$XGETTEXT" != ":"; then
2198 dnl If it is no GNU xgettext we define it as : so that the
2199 dnl Makefiles still can work.
2200 if $XGETTEXT --omit-header /dev/null 2> /dev/null; then
2204 [found xgettext program is not GNU xgettext; ignore it])
2209 dnl We need to process the po/ directory.
2213 [for ac_file in $CONFIG_FILES; do
2214 # Support "outfile[:infile[:infile...]]"
2216 *:*) ac_file=`echo "$ac_file"|sed 's%:.*%%'` ;;
2218 # PO directories have a Makefile.in generated from Makefile.in.in.
2219 case "$ac_file" in */Makefile.in)
2220 # Adjust a relative srcdir.
2221 ac_dir=`echo "$ac_file"|sed 's%/[^/][^/]*$%%'`
2222 ac_dir_suffix="/`echo "$ac_dir"|sed 's%^\./%%'`"
2223 ac_dots=`echo "$ac_dir_suffix"|sed 's%/[^/]*%../%g'`
2224 case "$ac_given_srcdir" in
2225 .) top_srcdir=`echo $ac_dots|sed 's%/$%%'` ;;
2226 /*) top_srcdir="$ac_given_srcdir" ;;
2227 *) top_srcdir="$ac_dots$ac_given_srcdir" ;;
2229 if test -f "$ac_given_srcdir/$ac_dir/POTFILES.in"; then
2230 rm -f "$ac_dir/POTFILES"
2231 echo creating "$ac_dir/POTFILES"
2232 sed -e "/^#/d" -e "/^[ ]*\$/d" -e "s,.*, $top_srcdir/& \\\\," -e "\$s/\(.*\) \\\\/\1/" < "$ac_given_srcdir/$ac_dir/POTFILES.in" > "$ac_dir/POTFILES"
2233 echo creating "$ac_dir/Makefile"
2234 sed -e "/POTFILES =/r $ac_dir/POTFILES" "$ac_dir/Makefile.in" > "$ac_dir/Makefile"
2241 dnl If this is used in GNU gettext we have to set BUILD_INCLUDED_LIBINTL
2242 dnl to 'yes' because some of the testsuite requires it.
2243 if test "$PACKAGE" = gettext; then
2244 BUILD_INCLUDED_LIBINTL=yes
2247 dnl intl/plural.c is generated from intl/plural.y. It requires bison,
2248 dnl because plural.y uses bison specific features. It requires at least
2249 dnl bison-1.26 because earlier versions generate a plural.c that doesn't
2251 dnl bison is only needed for the maintainer (who touches plural.y). But in
2252 dnl order to avoid separate Makefiles or --enable-maintainer-mode, we put
2253 dnl the rule in general Makefile. Now, some people carelessly touch the
2254 dnl files or have a broken "make" program, hence the plural.c rule will
2255 dnl sometimes fire. To avoid an error, defines BISON to ":" if it is not
2256 dnl present or too old.
2257 AC_CHECK_PROGS([INTLBISON], [bison])
2258 if test -z "$INTLBISON"; then
2261 dnl Found it, now check the version.
2262 AC_MSG_CHECKING([version of bison])
2263 changequote(<<,>>)dnl
2264 ac_prog_version=`$INTLBISON --version 2>&1 | sed -n 's/^.*GNU Bison .* \([0-9]*\.[0-9.]*\).*$/\1/p'`
2265 case $ac_prog_version in
2266 '') ac_prog_version="v. ?.??, bad"; ac_verc_fail=yes;;
2267 1.2[6-9]* | 1.[3-9][0-9]* | [2-9].*)
2269 ac_prog_version="$ac_prog_version, ok"; ac_verc_fail=no;;
2270 *) ac_prog_version="$ac_prog_version, bad"; ac_verc_fail=yes;;
2272 AC_MSG_RESULT([$ac_prog_version])
2274 if test $ac_verc_fail = yes; then
2278 dnl These rules are solely for the distribution goal. While doing this
2279 dnl we only have to keep exactly one list of the available catalogs
2280 dnl in configure.in.
2281 for lang in $ALL_LINGUAS; do
2282 GMOFILES="$GMOFILES $lang.gmo"
2283 POFILES="$POFILES $lang.po"
2286 dnl Make all variables we use known to autoconf.
2287 AC_SUBST(BUILD_INCLUDED_LIBINTL)
2288 AC_SUBST(USE_INCLUDED_LIBINTL)
2297 dnl For backward compatibility. Some configure.ins may be using this.
2299 nls_cv_header_libgt=
2301 dnl For backward compatibility. Some Makefiles may be using this.
2303 AC_SUBST(DATADIRNAME)
2305 dnl For backward compatibility. Some Makefiles may be using this.
2307 AC_SUBST(INSTOBJEXT)
2309 dnl For backward compatibility. Some Makefiles may be using this.
2314 dnl Usage: Just like AM_WITH_NLS, which see.
2315 AC_DEFUN([AM_GNU_GETTEXT],
2316 [AC_REQUIRE([AC_PROG_MAKE_SET])dnl
2317 AC_REQUIRE([AC_PROG_CC])dnl
2318 AC_REQUIRE([AC_CANONICAL_HOST])dnl
2319 AC_REQUIRE([AC_PROG_RANLIB])dnl
2320 AC_REQUIRE([AC_ISC_POSIX])dnl
2321 AC_REQUIRE([AC_HEADER_STDC])dnl
2322 AC_REQUIRE([AC_C_CONST])dnl
2323 AC_REQUIRE([AC_C_INLINE])dnl
2324 AC_REQUIRE([AC_TYPE_OFF_T])dnl
2325 AC_REQUIRE([AC_TYPE_SIZE_T])dnl
2326 AC_REQUIRE([AC_FUNC_ALLOCA])dnl
2327 AC_REQUIRE([AC_FUNC_MMAP])dnl
2328 AC_REQUIRE([jm_GLIBC21])dnl
2330 AC_CHECK_HEADERS([argz.h limits.h locale.h nl_types.h malloc.h stddef.h \
2331 stdlib.h string.h unistd.h sys/param.h])
2332 AC_CHECK_FUNCS([feof_unlocked fgets_unlocked getcwd getegid geteuid \
2333 getgid getuid mempcpy munmap putenv setenv setlocale stpcpy strchr strcasecmp \
2334 strdup strtoul tsearch __argz_count __argz_stringify __argz_next])
2339 AM_WITH_NLS([$1],[$2],[$3])
2341 if test "x$CATOBJEXT" != "x"; then
2342 if test "x$ALL_LINGUAS" = "x"; then
2345 AC_MSG_CHECKING(for catalogs to be installed)
2347 for presentlang in $ALL_LINGUAS; do
2349 for desiredlang in ${LINGUAS-$ALL_LINGUAS}; do
2350 # Use the presentlang catalog if desiredlang is
2351 # a. equal to presentlang, or
2352 # b. a variant of presentlang (because in this case,
2353 # presentlang can be used as a fallback for messages
2354 # which are not translated in the desiredlang catalog).
2355 case "$desiredlang" in
2356 "$presentlang"*) useit=yes;;
2359 if test $useit = yes; then
2360 NEW_LINGUAS="$NEW_LINGUAS $presentlang"
2363 LINGUAS=$NEW_LINGUAS
2364 AC_MSG_RESULT($LINGUAS)
2367 dnl Construct list of names of catalog files to be constructed.
2368 if test -n "$LINGUAS"; then
2369 for lang in $LINGUAS; do CATALOGS="$CATALOGS $lang$CATOBJEXT"; done
2373 dnl If the AC_CONFIG_AUX_DIR macro for autoconf is used we possibly
2374 dnl find the mkinstalldirs script in another subdir but $(top_srcdir).
2375 dnl Try to locate is.
2377 if test -n "$ac_aux_dir"; then
2378 MKINSTALLDIRS="$ac_aux_dir/mkinstalldirs"
2380 if test -z "$MKINSTALLDIRS"; then
2381 MKINSTALLDIRS="\$(top_srcdir)/mkinstalldirs"
2383 AC_SUBST(MKINSTALLDIRS)
2385 dnl Enable libtool support if the surrounding package wishes it.
2386 INTL_LIBTOOL_SUFFIX_PREFIX=ifelse([$1], use-libtool, [l], [])
2387 AC_SUBST(INTL_LIBTOOL_SUFFIX_PREFIX)
2390 # Search path for a program which passes the given test.
2391 # Ulrich Drepper <drepper@cygnus.com>, 1996.
2393 # This file can be copied and used freely without restrictions. It can
2394 # be used in projects which are not available under the GNU Public License
2395 # but which still want to provide support for the GNU gettext functionality.
2396 # Please note that the actual code is *not* freely available.
2400 dnl AM_PATH_PROG_WITH_TEST(VARIABLE, PROG-TO-CHECK-FOR,
2401 dnl TEST-PERFORMED-ON-FOUND_PROGRAM [, VALUE-IF-NOT-FOUND [, PATH]])
2402 AC_DEFUN([AM_PATH_PROG_WITH_TEST],
2403 [# Extract the first word of "$2", so it can be a program name with args.
2404 set dummy $2; ac_word=[$]2
2405 AC_MSG_CHECKING([for $ac_word])
2406 AC_CACHE_VAL(ac_cv_path_$1,
2409 ac_cv_path_$1="[$]$1" # Let the user override the test with a path.
2412 IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:"
2413 for ac_dir in ifelse([$5], , $PATH, [$5]); do
2414 test -z "$ac_dir" && ac_dir=.
2415 if test -f $ac_dir/$ac_word; then
2417 ac_cv_path_$1="$ac_dir/$ac_word"
2423 dnl If no 4th arg is given, leave the cache variable unset,
2424 dnl so AC_PATH_PROGS will keep looking.
2425 ifelse([$4], , , [ test -z "[$]ac_cv_path_$1" && ac_cv_path_$1="$4"
2430 if test -n "[$]$1"; then
2431 AC_MSG_RESULT([$]$1)
2440 # Test for the GNU C Library, version 2.1 or newer.
2441 # From Bruno Haible.
2443 AC_DEFUN([jm_GLIBC21],
2445 AC_CACHE_CHECK(whether we are using the GNU C Library 2.1 or newer,
2446 ac_cv_gnu_library_2_1,
2447 [AC_EGREP_CPP([Lucky GNU user],
2449 #include <features.h>
2450 #ifdef __GNU_LIBRARY__
2451 #if (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 1) || (__GLIBC__ > 2)
2456 ac_cv_gnu_library_2_1=yes,
2457 ac_cv_gnu_library_2_1=no)
2461 GLIBC21="$ac_cv_gnu_library_2_1"
2467 dnl From Bruno Haible.
2469 AC_DEFUN([AM_ICONV],
2471 dnl Some systems have iconv in libc, some have it in libiconv (OSF/1 and
2472 dnl those with the standalone portable GNU libiconv installed).
2474 AC_ARG_WITH([libiconv-prefix],
2475 [ --with-libiconv-prefix=DIR search for libiconv in DIR/include and DIR/lib], [
2476 for dir in `echo "$withval" | tr : ' '`; do
2477 if test -d $dir/include; then CPPFLAGS="$CPPFLAGS -I$dir/include"; fi
2478 if test -d $dir/lib; then LDFLAGS="$LDFLAGS -L$dir/lib"; fi
2482 AC_CACHE_CHECK(for iconv, am_cv_func_iconv, [
2483 am_cv_func_iconv="no, consider installing GNU libiconv"
2485 AC_TRY_LINK([#include <stdlib.h>
2486 #include <iconv.h>],
2487 [iconv_t cd = iconv_open("","");
2488 iconv(cd,NULL,NULL,NULL,NULL);
2490 am_cv_func_iconv=yes)
2491 if test "$am_cv_func_iconv" != yes; then
2492 am_save_LIBS="$LIBS"
2493 LIBS="$LIBS -liconv"
2494 AC_TRY_LINK([#include <stdlib.h>
2495 #include <iconv.h>],
2496 [iconv_t cd = iconv_open("","");
2497 iconv(cd,NULL,NULL,NULL,NULL);
2500 am_cv_func_iconv=yes)
2501 LIBS="$am_save_LIBS"
2504 if test "$am_cv_func_iconv" = yes; then
2505 AC_DEFINE(HAVE_ICONV, 1, [Define if you have the iconv() function.])
2506 AC_MSG_CHECKING([for iconv declaration])
2507 AC_CACHE_VAL(am_cv_proto_iconv, [
2515 #if defined(__STDC__) || defined(__cplusplus)
2516 size_t iconv (iconv_t cd, char * *inbuf, size_t *inbytesleft, char * *outbuf, size_t *outbytesleft);
2520 ], [], am_cv_proto_iconv_arg1="", am_cv_proto_iconv_arg1="const")
2521 am_cv_proto_iconv="extern size_t iconv (iconv_t cd, $am_cv_proto_iconv_arg1 char * *inbuf, size_t *inbytesleft, char * *outbuf, size_t *outbytesleft);"])
2522 am_cv_proto_iconv=`echo "[$]am_cv_proto_iconv" | tr -s ' ' | sed -e 's/( /(/'`
2523 AC_MSG_RESULT([$]{ac_t:-
2524 }[$]am_cv_proto_iconv)
2525 AC_DEFINE_UNQUOTED(ICONV_CONST, $am_cv_proto_iconv_arg1,
2526 [Define as const if the declaration of iconv() needs const.])
2529 if test "$am_cv_lib_iconv" = yes; then
2537 dnl From Bruno Haible.
2539 AC_DEFUN([AM_LANGINFO_CODESET],
2541 AC_CACHE_CHECK([for nl_langinfo and CODESET], am_cv_langinfo_codeset,
2542 [AC_TRY_LINK([#include <langinfo.h>],
2543 [char* cs = nl_langinfo(CODESET);],
2544 am_cv_langinfo_codeset=yes,
2545 am_cv_langinfo_codeset=no)
2547 if test $am_cv_langinfo_codeset = yes; then
2548 AC_DEFINE(HAVE_LANGINFO_CODESET, 1,
2549 [Define if you have <langinfo.h> and nl_langinfo(CODESET).])
2553 # Check whether LC_MESSAGES is available in <locale.h>.
2554 # Ulrich Drepper <drepper@cygnus.com>, 1995.
2556 # This file can be copied and used freely without restrictions. It can
2557 # be used in projects which are not available under the GNU Public License
2558 # but which still want to provide support for the GNU gettext functionality.
2559 # Please note that the actual code is *not* freely available.
2563 AC_DEFUN([AM_LC_MESSAGES],
2564 [if test $ac_cv_header_locale_h = yes; then
2565 AC_CACHE_CHECK([for LC_MESSAGES], am_cv_val_LC_MESSAGES,
2566 [AC_TRY_LINK([#include <locale.h>], [return LC_MESSAGES],
2567 am_cv_val_LC_MESSAGES=yes, am_cv_val_LC_MESSAGES=no)])
2568 if test $am_cv_val_LC_MESSAGES = yes; then
2569 AC_DEFINE(HAVE_LC_MESSAGES, 1,
2570 [Define if your <locale.h> file defines LC_MESSAGES.])
2574 # Do all the work for Automake. This macro actually does too much --
2575 # some checks are only needed if your package does certain things.
2576 # But this isn't really a big deal.
2581 dnl AM_INIT_AUTOMAKE(package,version, [no-define])
2583 AC_DEFUN([AM_INIT_AUTOMAKE],
2584 [AC_REQUIRE([AC_PROG_INSTALL])
2589 dnl test to see if srcdir already configured
2590 if test "`cd $srcdir && pwd`" != "`pwd`" && test -f $srcdir/config.status; then
2591 AC_MSG_ERROR([source directory already configured; run "make distclean" there first])
2594 AC_DEFINE_UNQUOTED(PACKAGE, "$PACKAGE", [Name of package])
2595 AC_DEFINE_UNQUOTED(VERSION, "$VERSION", [Version number of package]))
2596 AC_REQUIRE([AM_SANITY_CHECK])
2597 AC_REQUIRE([AC_ARG_PROGRAM])
2598 dnl FIXME This is truly gross.
2599 missing_dir=`cd $ac_aux_dir && pwd`
2600 AM_MISSING_PROG(ACLOCAL, aclocal, $missing_dir)
2601 AM_MISSING_PROG(AUTOCONF, autoconf, $missing_dir)
2602 AM_MISSING_PROG(AUTOMAKE, automake, $missing_dir)
2603 AM_MISSING_PROG(AUTOHEADER, autoheader, $missing_dir)
2604 AM_MISSING_PROG(MAKEINFO, makeinfo, $missing_dir)
2605 AC_REQUIRE([AC_PROG_MAKE_SET])])
2608 # Check to make sure that the build environment is sane.
2611 AC_DEFUN([AM_SANITY_CHECK],
2612 [AC_MSG_CHECKING([whether build environment is sane])
2615 echo timestamp > conftestfile
2616 # Do `set' in a subshell so we don't clobber the current shell's
2617 # arguments. Must try -L first in case configure is actually a
2618 # symlink; some systems play weird games with the mod time of symlinks
2619 # (eg FreeBSD returns the mod time of the symlink's containing
2622 set X `ls -Lt $srcdir/configure conftestfile 2> /dev/null`
2623 if test "[$]*" = "X"; then
2625 set X `ls -t $srcdir/configure conftestfile`
2627 if test "[$]*" != "X $srcdir/configure conftestfile" \
2628 && test "[$]*" != "X conftestfile $srcdir/configure"; then
2630 # If neither matched, then we have a broken ls. This can happen
2631 # if, for instance, CONFIG_SHELL is bash and it inherits a
2632 # broken ls alias from the environment. This has actually
2633 # happened. Such a system could not be considered "sane".
2634 AC_MSG_ERROR([ls -t appears to fail. Make sure there is not a broken
2635 alias in your environment])
2638 test "[$]2" = conftestfile
2644 AC_MSG_ERROR([newly created file is older than distributed files!
2645 Check your system clock])
2648 AC_MSG_RESULT(yes)])
2650 dnl AM_MISSING_PROG(NAME, PROGRAM, DIRECTORY)
2651 dnl The program must properly implement --version.
2652 AC_DEFUN([AM_MISSING_PROG],
2653 [AC_MSG_CHECKING(for working $2)
2654 # Run test in a subshell; some versions of sh will print an error if
2655 # an executable is not found, even if stderr is redirected.
2656 # Redirect stdin to placate older versions of autoconf. Sigh.
2657 if ($2 --version) < /dev/null > /dev/null 2>&1; then
2659 AC_MSG_RESULT(found)
2662 AC_MSG_RESULT(missing)
2666 # Like AC_CONFIG_HEADER, but automatically create stamp file.
2668 AC_DEFUN([AM_CONFIG_HEADER],
2670 AC_CONFIG_HEADER([$1])
2671 dnl When config.status generates a header, we must update the stamp-h file.
2672 dnl This file resides in the same directory as the config header
2673 dnl that is generated. We must strip everything past the first ":",
2674 dnl and everything past the last "/".
2675 AC_OUTPUT_COMMANDS(changequote(<<,>>)dnl
2676 ifelse(patsubst(<<$1>>, <<[^ ]>>, <<>>), <<>>,
2677 <<test -z "<<$>>CONFIG_HEADERS" || echo timestamp > patsubst(<<$1>>, <<^\([^:]*/\)?.*>>, <<\1>>)stamp-h<<>>dnl>>,
2679 for am_file in <<$1>>; do
2680 case " <<$>>CONFIG_HEADERS " in
2681 *" <<$>>am_file "*<<)>>
2682 echo timestamp > `echo <<$>>am_file | sed -e 's%:.*%%' -e 's%[^/]*$%%'`stamp-h$am_indx
2685 am_indx=`expr "<<$>>am_indx" + 1`