1 sinclude(../config/acx.m4)
2 sinclude(../config/accross.m4)
3 sinclude(../config/gettext.m4)
4 sinclude(../config/progtest.m4)
6 dnl See whether we need a declaration for a function.
7 dnl The result is highly dependent on the INCLUDES passed in, so make sure
8 dnl to use a different cache variable name in this macro if it is invoked
9 dnl in a different context somewhere else.
10 dnl gcc_AC_CHECK_DECL(SYMBOL,
11 dnl [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND [, INCLUDES]]])
12 AC_DEFUN([gcc_AC_CHECK_DECL],
13 [AC_MSG_CHECKING([whether $1 is declared])
14 AC_CACHE_VAL(gcc_cv_have_decl_$1,
17 char *(*pfn) = (char *(*)) $1 ;
18 #endif], eval "gcc_cv_have_decl_$1=yes", eval "gcc_cv_have_decl_$1=no")])
19 if eval "test \"`echo '$gcc_cv_have_decl_'$1`\" = yes"; then
20 AC_MSG_RESULT(yes) ; ifelse([$2], , :, [$2])
22 AC_MSG_RESULT(no) ; ifelse([$3], , :, [$3])
26 dnl Check multiple functions to see whether each needs a declaration.
27 dnl Arrange to define HAVE_DECL_<FUNCTION> to 0 or 1 as appropriate.
28 dnl gcc_AC_CHECK_DECLS(SYMBOLS,
29 dnl [ACTION-IF-NEEDED [, ACTION-IF-NOT-NEEDED [, INCLUDES]]])
30 AC_DEFUN([gcc_AC_CHECK_DECLS],
31 [AC_FOREACH([gcc_AC_Func], [$1],
32 [AH_TEMPLATE(AS_TR_CPP(HAVE_DECL_[]gcc_AC_Func),
33 [Define to 1 if we found a declaration for ']gcc_AC_Func[', otherwise
37 ac_tr_decl=AS_TR_CPP([HAVE_DECL_$ac_func])
38 gcc_AC_CHECK_DECL($ac_func,
39 [AC_DEFINE_UNQUOTED($ac_tr_decl, 1) $2],
40 [AC_DEFINE_UNQUOTED($ac_tr_decl, 0) $3],
41 dnl It is possible that the include files passed in here are local headers
42 dnl which supply a backup declaration for the relevant prototype based on
43 dnl the definition of (or lack of) the HAVE_DECL_ macro. If so, this test
44 dnl will always return success. E.g. see libiberty.h's handling of
45 dnl `basename'. To avoid this, we define the relevant HAVE_DECL_ macro to
46 dnl 1 so that any local headers used do not provide their own prototype
55 dnl 'make compare' can be significantly faster, if cmp itself can
56 dnl skip bytes instead of using tail. The test being performed is
57 dnl "if cmp --ignore-initial=2 t1 t2 && ! cmp --ignore-initial=1 t1 t2"
58 dnl but we need to sink errors and handle broken shells. We also test
59 dnl for the parameter format "cmp file1 file2 skip1 skip2" which is
60 dnl accepted by cmp on some systems.
61 AC_DEFUN([gcc_AC_PROG_CMP_IGNORE_INITIAL],
62 [AC_CACHE_CHECK([for cmp's capabilities], gcc_cv_prog_cmp_skip,
65 gcc_cv_prog_cmp_skip=slowcompare
66 if cmp --ignore-initial=2 t1 t2 > /dev/null 2>&1; then
67 if cmp --ignore-initial=1 t1 t2 > /dev/null 2>&1; then
70 gcc_cv_prog_cmp_skip=gnucompare
73 if test $gcc_cv_prog_cmp_skip = slowcompare ; then
74 if cmp t1 t2 2 2 > /dev/null 2>&1; then
75 if cmp t1 t2 1 1 > /dev/null 2>&1; then
78 gcc_cv_prog_cmp_skip=fastcompare
84 make_compare_target=$gcc_cv_prog_cmp_skip
85 AC_SUBST(make_compare_target)
88 dnl See if the printf functions in libc support %p in format strings.
89 AC_DEFUN([gcc_AC_FUNC_PRINTF_PTR],
90 [AC_CACHE_CHECK(whether the printf functions support %p,
91 gcc_cv_func_printf_ptr,
92 [AC_TRY_RUN([#include <stdio.h>
97 char *p = buf, *q = NULL;
98 sprintf(buf, "%p", p);
99 sscanf(buf, "%p", &q);
101 }], gcc_cv_func_printf_ptr=yes, gcc_cv_func_printf_ptr=no,
102 gcc_cv_func_printf_ptr=no)
103 rm -f core core.* *.core])
104 if test $gcc_cv_func_printf_ptr = yes ; then
105 AC_DEFINE(HAVE_PRINTF_PTR, 1, [Define if printf supports "%p".])
109 dnl See if symbolic links work and if not, try to substitute either hard links or simple copy.
110 AC_DEFUN([gcc_AC_PROG_LN_S],
111 [AC_MSG_CHECKING(whether ln -s works)
112 AC_CACHE_VAL(gcc_cv_prog_LN_S,
113 [rm -f conftestdata_t
115 if ln -s conftestdata_f conftestdata_t 2>/dev/null
117 gcc_cv_prog_LN_S="ln -s"
119 if ln conftestdata_f conftestdata_t 2>/dev/null
126 rm -f conftestdata_f conftestdata_t
128 LN_S="$gcc_cv_prog_LN_S"
129 if test "$gcc_cv_prog_LN_S" = "ln -s"; then
132 if test "$gcc_cv_prog_LN_S" = "ln"; then
133 AC_MSG_RESULT([no, using ln])
135 AC_MSG_RESULT([no, and neither does ln, so using cp])
141 dnl Define MKDIR_TAKES_ONE_ARG if mkdir accepts only one argument instead
143 AC_DEFUN([gcc_AC_FUNC_MKDIR_TAKES_ONE_ARG],
144 [AC_CACHE_CHECK([if mkdir takes one argument], gcc_cv_mkdir_takes_one_arg,
146 #include <sys/types.h>
147 #ifdef HAVE_SYS_STAT_H
148 # include <sys/stat.h>
155 #endif], [mkdir ("foo", 0);],
156 gcc_cv_mkdir_takes_one_arg=no, gcc_cv_mkdir_takes_one_arg=yes)])
157 if test $gcc_cv_mkdir_takes_one_arg = yes ; then
158 AC_DEFINE(MKDIR_TAKES_ONE_ARG, 1, [Define if host mkdir takes a single argument.])
162 AC_DEFUN([gcc_AC_PROG_INSTALL],
163 [AC_REQUIRE([AC_CONFIG_AUX_DIR_DEFAULT])dnl
164 # Find a good install program. We prefer a C program (faster),
165 # so one script is as good as another. But avoid the broken or
166 # incompatible versions:
167 # SysV /etc/install, /usr/sbin/install
168 # SunOS /usr/etc/install
171 # AFS /usr/afsws/bin/install, which mishandles nonexistent args
172 # SVR4 /usr/ucb/install, which tries to use the nonexistent group "staff"
173 # ./install, which can be erroneously created by make from ./install.sh.
174 AC_MSG_CHECKING(for a BSD compatible install)
175 if test -z "$INSTALL"; then
176 AC_CACHE_VAL(ac_cv_path_install,
177 [ IFS="${IFS= }"; ac_save_IFS="$IFS"; IFS="${IFS}:"
178 for ac_dir in $PATH; do
179 # Account for people who put trailing slashes in PATH elements.
181 /|./|.//|/etc/*|/usr/sbin/*|/usr/etc/*|/sbin/*|/usr/afsws/bin/*|/usr/ucb/*) ;;
183 # OSF1 and SCO ODT 3.0 have their own names for install.
184 for ac_prog in ginstall scoinst install; do
185 if test -f $ac_dir/$ac_prog; then
186 if test $ac_prog = install &&
187 grep dspmsg $ac_dir/$ac_prog >/dev/null 2>&1; then
188 # AIX install. It has an incompatible calling convention.
189 # OSF/1 installbsd also uses dspmsg, but is usable.
192 ac_cv_path_install="$ac_dir/$ac_prog -c"
202 if test "${ac_cv_path_install+set}" = set; then
203 INSTALL="$ac_cv_path_install"
205 # As a last resort, use the slow shell script. We don't cache a
206 # path for INSTALL within a source directory, because that will
207 # break other packages using the cache if that directory is
208 # removed, or if the path is relative.
209 INSTALL="$ac_install_sh"
212 dnl We do special magic for INSTALL instead of AC_SUBST, to get
213 dnl relative paths right.
214 AC_MSG_RESULT($INSTALL)
217 # Use test -z because SunOS4 sh mishandles braces in ${var-val}.
218 # It thinks the first close brace ends the variable substitution.
219 test -z "$INSTALL_PROGRAM" && INSTALL_PROGRAM='${INSTALL}'
220 AC_SUBST(INSTALL_PROGRAM)dnl
222 test -z "$INSTALL_DATA" && INSTALL_DATA='${INSTALL} -m 644'
223 AC_SUBST(INSTALL_DATA)dnl
226 dnl GCC_PATH_PROG(VARIABLE, PROG-TO-CHECK-FOR [, VALUE-IF-NOT-FOUND [, PATH]])
227 dnl like AC_PATH_PROG but use other cache variables
228 AC_DEFUN([GCC_PATH_PROG],
229 [# Extract the first word of "$2", so it can be a program name with args.
230 set dummy $2; ac_word=[$]2
231 AC_MSG_CHECKING([for $ac_word])
232 AC_CACHE_VAL(gcc_cv_path_$1,
235 gcc_cv_path_$1="[$]$1" # Let the user override the test with a path.
238 gcc_cv_path_$1="[$]$1" # Let the user override the test with a dos path.
241 IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS=":"
242 dnl $ac_dummy forces splitting on constant user-supplied paths.
243 dnl POSIX.2 word splitting is done only on the output of word expansions,
244 dnl not every word. This closes a longstanding sh security hole.
245 ac_dummy="ifelse([$4], , $PATH, [$4])"
246 for ac_dir in $ac_dummy; do
247 test -z "$ac_dir" && ac_dir=.
248 if test -f $ac_dir/$ac_word; then
249 gcc_cv_path_$1="$ac_dir/$ac_word"
254 dnl If no 3rd arg is given, leave the cache variable unset,
255 dnl so GCC_PATH_PROGS will keep looking.
256 ifelse([$3], , , [ test -z "[$]gcc_cv_path_$1" && gcc_cv_path_$1="$3"
261 if test -n "[$]$1"; then
269 # mmap(2) blacklisting. Some platforms provide the mmap library routine
270 # but don't support all of the features we need from it.
271 AC_DEFUN([gcc_AC_FUNC_MMAP_BLACKLIST],
272 [if test $ac_cv_header_sys_mman_h != yes \
273 || test $ac_cv_func_mmap != yes; then
274 gcc_cv_func_mmap_file=no
275 gcc_cv_func_mmap_dev_zero=no
276 gcc_cv_func_mmap_anon=no
278 AC_CACHE_CHECK([whether read-only mmap of a plain file works],
279 gcc_cv_func_mmap_file,
280 [# Add a system to this blacklist if
281 # mmap(0, stat_size, PROT_READ, MAP_PRIVATE, fd, 0) doesn't return a
282 # memory area containing the same data that you'd get if you applied
283 # read() to the same fd. The only system known to have a problem here
284 # is VMS, where text files have record structure.
287 gcc_cv_func_mmap_file=no ;;
289 gcc_cv_func_mmap_file=yes;;
291 AC_CACHE_CHECK([whether mmap from /dev/zero works],
292 gcc_cv_func_mmap_dev_zero,
293 [# Add a system to this blacklist if it has mmap() but /dev/zero
294 # does not exist, or if mmapping /dev/zero does not give anonymous
295 # zeroed pages with both the following properties:
296 # 1. If you map N consecutive pages in with one call, and then
297 # unmap any subset of those pages, the pages that were not
298 # explicitly unmapped remain accessible.
299 # 2. If you map two adjacent blocks of memory and then unmap them
300 # both at once, they must both go away.
301 # Systems known to be in this category are Windows (all variants),
304 vms* | cygwin* | pe | mingw* | darwin* | ultrix* | hpux10* | hpux11.00)
305 gcc_cv_func_mmap_dev_zero=no ;;
307 gcc_cv_func_mmap_dev_zero=yes;;
310 # Unlike /dev/zero, the MAP_ANON(YMOUS) defines can be probed for.
311 AC_CACHE_CHECK([for MAP_ANON(YMOUS)], gcc_cv_decl_map_anon,
313 [#include <sys/types.h>
314 #include <sys/mman.h>
317 #ifndef MAP_ANONYMOUS
318 #define MAP_ANONYMOUS MAP_ANON
321 [int n = MAP_ANONYMOUS;],
322 gcc_cv_decl_map_anon=yes,
323 gcc_cv_decl_map_anon=no)])
325 if test $gcc_cv_decl_map_anon = no; then
326 gcc_cv_func_mmap_anon=no
328 AC_CACHE_CHECK([whether mmap with MAP_ANON(YMOUS) works],
329 gcc_cv_func_mmap_anon,
330 [# Add a system to this blacklist if it has mmap() and MAP_ANON or
331 # MAP_ANONYMOUS, but using mmap(..., MAP_PRIVATE|MAP_ANONYMOUS, -1, 0)
332 # doesn't give anonymous zeroed pages with the same properties listed
333 # above for use of /dev/zero.
334 # Systems known to be in this category are Windows, VMS, and SCO Unix.
336 vms* | cygwin* | pe | mingw* | sco* | udk* )
337 gcc_cv_func_mmap_anon=no ;;
339 gcc_cv_func_mmap_anon=yes;;
344 if test $gcc_cv_func_mmap_file = yes; then
345 AC_DEFINE(HAVE_MMAP_FILE, 1,
346 [Define if read-only mmap of a plain file works.])
348 if test $gcc_cv_func_mmap_dev_zero = yes; then
349 AC_DEFINE(HAVE_MMAP_DEV_ZERO, 1,
350 [Define if mmap of /dev/zero works.])
352 if test $gcc_cv_func_mmap_anon = yes; then
353 AC_DEFINE(HAVE_MMAP_ANON, 1,
354 [Define if mmap with MAP_ANON(YMOUS) works.])
358 dnl Locate a program and check that its version is acceptable.
359 dnl AC_PROG_CHECK_VER(var, name, version-switch,
360 dnl version-extract-regexp, version-glob)
361 AC_DEFUN([gcc_AC_CHECK_PROG_VER],
362 [AC_CHECK_PROG([$1], [$2], [$2])
363 if test -n "[$]$1"; then
364 # Found it, now check the version.
365 AC_CACHE_CHECK(for modern $2, gcc_cv_prog_$2_modern,
366 [changequote(<<,>>)dnl
367 ac_prog_version=`<<$>>$1 $3 2>&1 |
368 sed -n 's/^.*patsubst(<<$4>>,/,\/).*$/\1/p'`
370 echo "configure:__oline__: version of $2 is $ac_prog_version" >&AC_FD_CC
371 changequote(<<,>>)dnl
372 case $ac_prog_version in
373 '') gcc_cv_prog_$2_modern=no;;
375 gcc_cv_prog_$2_modern=yes;;
376 *) gcc_cv_prog_$2_modern=no;;
381 gcc_cv_prog_$2_modern=no
385 dnl Determine if enumerated bitfields are unsigned. ISO C says they can
386 dnl be either signed or unsigned.
388 AC_DEFUN([gcc_AC_C_ENUM_BF_UNSIGNED],
389 [AC_CACHE_CHECK(for unsigned enumerated bitfields, gcc_cv_enum_bf_unsigned,
390 [AC_TRY_RUN(#include <stdlib.h>
391 enum t { BLAH = 128 } ;
392 struct s_t { enum t member : 8; } s ;
396 if (s.member < 0) exit(1);
399 }, gcc_cv_enum_bf_unsigned=yes, gcc_cv_enum_bf_unsigned=no, gcc_cv_enum_bf_unsigned=yes)])
400 if test $gcc_cv_enum_bf_unsigned = yes; then
401 AC_DEFINE(ENUM_BITFIELDS_ARE_UNSIGNED, 1,
402 [Define if enumerated bitfields are treated as unsigned values.])
405 dnl Probe number of bits in a byte.
406 dnl Note C89 requires CHAR_BIT >= 8.
408 AC_DEFUN([gcc_AC_C_CHAR_BIT],
409 [AC_CACHE_CHECK(for CHAR_BIT, gcc_cv_decl_char_bit,
411 [#ifdef HAVE_LIMITS_H
416 #endif], gcc_cv_decl_char_bit=yes, gcc_cv_decl_char_bit=no)
418 if test $gcc_cv_decl_char_bit = no; then
419 AC_CACHE_CHECK(number of bits in a byte, gcc_cv_c_nbby,
422 while test $i -lt 65; do
425 case (unsigned char)((unsigned long)1 << $i) == ((unsigned long)1 << $i):
426 case (unsigned char)((unsigned long)1<<($i-1)) == ((unsigned long)1<<($i-1)):
428 [gcc_cv_c_nbby=$i; break])
431 test -z "$gcc_cv_c_nbby" && gcc_cv_c_nbby=failed
433 if test $gcc_cv_c_nbby = failed; then
434 AC_MSG_ERROR(cannot determine number of bits in a byte)
436 AC_DEFINE_UNQUOTED(CHAR_BIT, $gcc_cv_c_nbby,
437 [Define as the number of bits in a byte, if \`limits.h' doesn't.])
441 dnl Checking for long long.
442 dnl By Caolan McNamara <caolan@skynet.ie>
443 dnl Added check for __int64, Zack Weinberg <zackw@stanford.edu>
445 AC_DEFUN([gcc_AC_C_LONG_LONG],
446 [AC_CACHE_CHECK(for long long int, ac_cv_c_long_long,
447 [AC_TRY_COMPILE(,[long long int i;],
448 ac_cv_c_long_long=yes,
449 ac_cv_c_long_long=no)])
450 if test $ac_cv_c_long_long = yes; then
451 AC_DEFINE(HAVE_LONG_LONG, 1,
452 [Define if your compiler supports the \`long long' type.])
454 AC_CACHE_CHECK(for __int64, ac_cv_c___int64,
455 [AC_TRY_COMPILE(,[__int64 i;],
457 ac_cv_c___int64=no)])
458 if test $ac_cv_c___int64 = yes; then
459 AC_DEFINE(HAVE___INT64, 1,
460 [Define if your compiler supports the \`__int64' type.])
466 dnl From Bruno Haible.
470 dnl Some systems have iconv in libc, some have it in libiconv (OSF/1 and
471 dnl those with the standalone portable GNU libiconv installed).
473 am_cv_lib_iconv_ldpath=
474 AC_ARG_WITH([libiconv-prefix],
475 [ --with-libiconv-prefix=DIR search for libiconv in DIR/include and DIR/lib], [
476 for dir in `echo "$withval" | tr : ' '`; do
477 if test -d $dir/include; then CPPFLAGS="$CPPFLAGS -I$dir/include"; fi
478 if test -d $dir/lib; then am_cv_lib_iconv_ldpath="-L$dir/lib"; fi
482 AC_CHECK_HEADERS([iconv.h])
484 AC_CACHE_CHECK(for iconv, am_cv_func_iconv, [
485 am_cv_func_iconv="no, consider installing GNU libiconv"
487 AC_TRY_LINK([#include <stdlib.h>
489 [iconv_t cd = iconv_open("","");
490 iconv(cd,NULL,NULL,NULL,NULL);
492 am_cv_func_iconv=yes)
493 if test "$am_cv_func_iconv" != yes; then
495 LIBS="$LIBS $am_cv_libiconv_ldpath -liconv"
496 AC_TRY_LINK([#include <stdlib.h>
498 [iconv_t cd = iconv_open("","");
499 iconv(cd,NULL,NULL,NULL,NULL);
502 am_cv_func_iconv=yes)
506 if test "$am_cv_func_iconv" = yes; then
507 AC_DEFINE(HAVE_ICONV, 1, [Define if you have the iconv() function.])
508 AC_MSG_CHECKING([for iconv declaration])
509 AC_CACHE_VAL(am_cv_proto_iconv, [
517 #if defined(__STDC__) || defined(__cplusplus)
518 size_t iconv (iconv_t cd, char * *inbuf, size_t *inbytesleft, char * *outbuf, size_t *outbytesleft);
522 ], [], am_cv_proto_iconv_arg1="", am_cv_proto_iconv_arg1="const")
523 am_cv_proto_iconv="extern size_t iconv (iconv_t cd, $am_cv_proto_iconv_arg1 char * *inbuf, size_t *inbytesleft, char * *outbuf, size_t *outbytesleft);"])
524 am_cv_proto_iconv=`echo "[$]am_cv_proto_iconv" | tr -s ' ' | sed -e 's/( /(/'`
525 AC_MSG_RESULT([$]{ac_t:-
526 }[$]am_cv_proto_iconv)
527 AC_DEFINE_UNQUOTED(ICONV_CONST, $am_cv_proto_iconv_arg1,
528 [Define as const if the declaration of iconv() needs const.])
531 if test "$am_cv_lib_iconv" = yes; then
532 LIBICONV="$am_cv_lib_iconv_ldpath -liconv"
537 AC_DEFUN([gcc_AC_INITFINI_ARRAY],
538 [AC_ARG_ENABLE(initfini-array,
539 [ --enable-initfini-array use .init_array/.fini_array sections],
541 AC_CACHE_CHECK(for .preinit_array/.init_array/.fini_array support,
542 gcc_cv_initfini_array, [dnl
545 int main (void) { return x; }
546 int foo (void) { x = 0; }
547 int (*fp) (void) __attribute__ ((section (".init_array"))) = foo;],
548 [gcc_cv_initfini_array=yes], [gcc_cv_initfini_array=no],
549 [gcc_cv_initfini_array=no])])
550 enable_initfini_array=$gcc_cv_initfini_array
552 if test $enable_initfini_array = yes; then
553 AC_DEFINE(HAVE_INITFINI_ARRAY, 1,
554 [Define .init_array/.fini_array sections are available and working.])
557 dnl # _gcc_COMPUTE_GAS_VERSION
558 dnl # Used by gcc_GAS_VERSION_GTE_IFELSE
561 dnl # gcc_cv_as_gas_srcdir must be defined before this.
562 dnl # This gross requirement will go away eventually.
563 AC_DEFUN([_gcc_COMPUTE_GAS_VERSION],
564 [gcc_cv_as_bfd_srcdir=`echo $srcdir | sed -e 's,/gcc$,,'`/bfd
565 for f in $gcc_cv_as_bfd_srcdir/configure \
566 $gcc_cv_as_gas_srcdir/configure \
567 $gcc_cv_as_gas_srcdir/configure.in \
568 $gcc_cv_as_gas_srcdir/Makefile.in ; do
569 gcc_cv_gas_version=`grep '^VERSION=[[0-9]]*\.[[0-9]]*' $f`
570 if test x$gcc_cv_gas_version != x; then
574 gcc_cv_gas_major_version=`expr "$gcc_cv_gas_version" : "VERSION=\([[0-9]]*\)"`
575 gcc_cv_gas_minor_version=`expr "$gcc_cv_gas_version" : "VERSION=[[0-9]]*\.\([[0-9]]*\)"`
576 gcc_cv_gas_patch_version=`expr "$gcc_cv_gas_version" : "VERSION=[[0-9]]*\.[[0-9]]*\.\([[0-9]]*\)"`
577 case $gcc_cv_gas_patch_version in
578 "") gcc_cv_gas_patch_version="0" ;;
580 gcc_cv_gas_vers=`expr \( \( $gcc_cv_gas_major_version \* 1000 \) \
581 + $gcc_cv_gas_minor_version \) \* 1000 \
582 + $gcc_cv_gas_patch_version`
583 ]) []dnl # _gcc_COMPUTE_GAS_VERSION
585 dnl # gcc_GAS_VERSION_GTE_IFELSE([elf,] major, minor, patchlevel,
586 dnl # [command_if_true = :], [command_if_false = :])
587 dnl # Check to see if the version of GAS is greater than or
588 dnl # equal to the specified version.
590 dnl # The first ifelse() shortens the shell code if the patchlevel
591 dnl # is unimportant (the usual case). The others handle missing
592 dnl # commands. Note that the tests are structured so that the most
593 dnl # common version number cases are tested first.
594 AC_DEFUN([_gcc_GAS_VERSION_GTE_IFELSE],
596 [if test $in_tree_gas_is_elf = yes \
598 [if]) test $gcc_cv_gas_vers -ge `expr \( \( $2 \* 1000 \) + $3 \) \* 1000 + $4`
600 ifelse([$5],,:,[$5])[]dnl
605 AC_DEFUN([gcc_GAS_VERSION_GTE_IFELSE],
606 [AC_REQUIRE([_gcc_COMPUTE_GAS_VERSION])dnl
607 ifelse([$1], elf, [_gcc_GAS_VERSION_GTE_IFELSE($@)],
608 [_gcc_GAS_VERSION_GTE_IFELSE(,$@)])])
610 dnl gcc_GAS_CHECK_FEATURE(description, cv, [[elf,]major,minor,patchlevel],
611 dnl [extra switches to as], [assembler input],
612 dnl [extra testing logic], [command if feature available])
614 dnl Checks for an assembler feature. If we are building an in-tree
615 dnl gas, the feature is available if the associated assembler version
616 dnl is greater than or equal to major.minor.patchlevel. If not, then
617 dnl ASSEMBLER INPUT is fed to the assembler and the feature is available
618 dnl if assembly succeeds. If EXTRA TESTING LOGIC is not the empty string,
619 dnl then it is run instead of simply setting CV to "yes" - it is responsible
620 dnl for doing so, if appropriate.
621 AC_DEFUN([gcc_GAS_CHECK_FEATURE],
622 [AC_CACHE_CHECK([assembler for $1], [$2],
625 if test $in_tree_gas = yes; then
626 gcc_GAS_VERSION_GTE_IFELSE($3, [[$2]=yes])
627 el])if test x$gcc_cv_as != x; then
628 echo ifelse(m4_substr([$5],0,1),[$], "[$5]", '[$5]') > conftest.s
629 if AC_TRY_COMMAND([$gcc_cv_as $4 -o conftest.o conftest.s >&AC_FD_CC])
631 ifelse([$6],, [$2]=yes, [$6])
633 echo "configure: failed program was" >&AC_FD_CC
634 cat conftest.s >&AC_FD_CC
636 rm -f conftest.o conftest.s
639 if test $[$2] = yes; then
643 # lcmessage.m4 serial 3 (gettext-0.11.3)
644 dnl Copyright (C) 1995-2002 Free Software Foundation, Inc.
645 dnl This file is free software, distributed under the terms of the GNU
646 dnl General Public License. As a special exception to the GNU General
647 dnl Public License, this file may be distributed as part of a program
648 dnl that contains a configuration script generated by Autoconf, under
649 dnl the same distribution terms as the rest of that program.
651 dnl This file can can be used in projects which are not available under
652 dnl the GNU General Public License or the GNU Library General Public
653 dnl License but which still want to provide support for the GNU gettext
655 dnl Please note that the actual code of the GNU gettext library is covered
656 dnl by the GNU Library General Public License, and the rest of the GNU
657 dnl gettext package package is covered by the GNU General Public License.
658 dnl They are *not* in the public domain.
661 dnl Ulrich Drepper <drepper@cygnus.com>, 1995.
663 # Check whether LC_MESSAGES is available in <locale.h>.
665 AC_DEFUN([AM_LC_MESSAGES],
667 AC_CACHE_CHECK([for LC_MESSAGES], am_cv_val_LC_MESSAGES,
668 [AC_TRY_LINK([#include <locale.h>], [return LC_MESSAGES],
669 am_cv_val_LC_MESSAGES=yes, am_cv_val_LC_MESSAGES=no)])
670 if test $am_cv_val_LC_MESSAGES = yes; then
671 AC_DEFINE(HAVE_LC_MESSAGES, 1,
672 [Define if your <locale.h> file defines LC_MESSAGES.])