1 dnl Process this file with autoconf to produce a configure script
4 AC_CONFIG_SRCDIR([xmalloc.c])
5 AC_CONFIG_MACRO_DIRS([../config])
7 # This works around the fact that libtool configuration may change LD
8 # for this particular configuration, but some shells, instead of
9 # keeping the changes in LD private, export them just because LD is
10 # exported. We don't use libtool yet, but some day we might, so...
11 ORIGINAL_LD_FOR_MULTILIBS=$LD
13 dnl We use these options to decide which functions to include.
14 AC_ARG_WITH(target-subdir,
15 [ --with-target-subdir=SUBDIR Configuring in a subdirectory for target])
16 AC_ARG_WITH(build-subdir,
17 [ --with-build-subdir=SUBDIR Configuring in a subdirectory for build])
18 AC_ARG_WITH(cross-host,
19 [ --with-cross-host=HOST Configuring with a cross compiler])
21 [ --with-newlib Configuring with newlib])
23 if test "${srcdir}" = "."; then
24 if test -n "${with_build_subdir}"; then
25 libiberty_topdir="${srcdir}/../.."
27 elif test -z "${with_target_subdir}"; then
28 libiberty_topdir="${srcdir}/.."
30 if test "${with_target_subdir}" != "."; then
31 libiberty_topdir="${srcdir}/${with_multisrctop}../.."
33 libiberty_topdir="${srcdir}/${with_multisrctop}.."
37 libiberty_topdir="${srcdir}/.."
39 AC_SUBST(libiberty_topdir)
40 AC_CONFIG_AUX_DIR($libiberty_topdir)
42 dnl Very limited version of automake's enable-maintainer-mode
44 AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
45 dnl maintainer-mode is disabled by default
46 AC_ARG_ENABLE(maintainer-mode,
47 [ --enable-maintainer-mode
48 enable make rules and dependencies not useful
49 (and sometimes confusing) to the casual installer],
50 maintainer_mode=$enableval,
53 AC_MSG_RESULT($maintainer_mode)
55 if test "$maintainer_mode" = "yes"; then
65 if test -z "$ETAGS"; then
70 # Do we have a single-tree copy of texinfo? Even if we do, we can't
71 # rely on it - libiberty is built before texinfo.
72 AC_CHECK_PROG(MAKEINFO, makeinfo, makeinfo, )
73 if test "x$MAKEINFO" = "x"; then
74 MAKEINFO="@echo makeinfo missing; true"
82 *** Makeinfo is missing. Info documentation will not be built.])
85 case x"`$MAKEINFO --version | grep 'GNU texinfo'`" in
87 MAKEINFO="@echo $MAKEINFO is too old, 4.0 or newer required; true"
90 *** Makeinfo is too old. Info documentation will not be built.])
99 AC_CHECK_PROG(PERL, perl, perl, )
100 if test x"$PERL" = x""; then
109 dnl When we start using automake:
110 dnl AM_INIT_AUTOMAKE(libiberty, 1.0)
112 dnl These must be called before AM_PROG_LIBTOOL, because it may want
113 dnl to call AC_CHECK_PROG.
114 AC_CHECK_TOOL(AR, ar)
115 AC_CHECK_TOOL(RANLIB, ranlib, :)
117 GCC_PLUGIN_OPTION(PLUGIN_OPTION)
118 if test -n "$PLUGIN_OPTION"; then
119 if $AR --help 2>&1 | grep -q "\--plugin"; then
120 AR_PLUGIN_OPTION="$PLUGIN_OPTION"
121 AC_SUBST(AR_PLUGIN_OPTION)
123 if $RANLIB --help 2>&1 | grep -q "\--plugin"; then
124 RANLIB_PLUGIN_OPTION="$PLUGIN_OPTION"
125 AC_SUBST(RANLIB_PLUGIN_OPTION)
129 dnl When switching to automake, replace the following with AM_ENABLE_MULTILIB.
130 # Add --enable-multilib to configure.
131 # Default to --enable-multilib
132 AC_ARG_ENABLE(multilib,
133 [ --enable-multilib build many library versions (default)],
134 [case "$enableval" in
137 *) AC_MSG_ERROR([bad value $enableval for multilib option]) ;;
141 # Even if the default multilib is not a cross compilation,
142 # it may be that some of the other multilibs are.
143 if test $cross_compiling = no && test $multilib = yes \
144 && test "x${with_multisubdir}" != x ; then
145 cross_compiling=maybe
148 # We may wish to install the target headers somewhere.
149 AC_MSG_CHECKING([whether to install libiberty headers and static library])
150 dnl install-libiberty is disabled by default
152 AC_ARG_ENABLE(install-libiberty,
153 [ --enable-install-libiberty Install headers and library for end users],
154 enable_install_libiberty=$enableval,
155 enable_install_libiberty=no)dnl
157 # Option parsed, now set things appropriately.
158 case x"$enable_install_libiberty" in
160 target_header_dir=libiberty
166 # This could be sanity-checked in various ways...
167 target_header_dir="${enable_install_libiberty}"
170 AC_MSG_RESULT($enable_install_libiberty)
171 AC_MSG_NOTICE([target_header_dir = $target_header_dir])
179 ACX_PROG_CC_WARNING_OPTS([-W -Wall -Wwrite-strings -Wc++-compat \
180 -Wstrict-prototypes \
181 -Wshadow=local], [ac_libiberty_warn_cflags])
182 ACX_PROG_CC_WARNING_ALMOST_PEDANTIC([], [ac_libiberty_warn_cflags])
185 # autoconf is lame and doesn't give us any substitution variable for this.
186 if eval "test \"`echo '$ac_cv_prog_cc_'${ac_cc}_c_o`\" = no"; then
187 NO_MINUS_C_MINUS_O=yes
189 OUTPUT_OPTION='-o $@'
191 AC_SUBST(NO_MINUS_C_MINUS_O)
192 AC_SUBST(OUTPUT_OPTION)
198 dnl When we start using libtool:
199 dnl Default to a non shared library. This may be overridden by the
200 dnl configure option --enable-shared.
201 dnl AM_DISABLE_SHARED
203 dnl When we start using libtool:
206 dnl When we start using automake:
207 dnl AM_CONFIG_HEADER(config.h:config.in)
208 AC_CONFIG_HEADER(config.h:config.in)
210 dnl When we start using automake:
211 dnl AM_MAINTAINER_MODE
214 dnl When we start using automake:
218 # Don't build the shared library for build.
219 if [[ -n "${with_build_subdir}" ]]; then
225 rs6000-ibm-aix3.1 | rs6000-ibm-aix)
227 *-*-cxux7*) frag=mh-cxux7 ;;
228 *-*-freebsd2.1.*) frag=mh-fbsd21 ;;
229 *-*-freebsd2.2.[[012]]) frag=mh-fbsd21 ;;
230 i370-*-opened*) frag=mh-openedition ;;
231 i[[34567]]86-*-windows*) frag=mh-windows ;;
234 if [[ -n "${frag}" ]]; then
235 frag=${libiberty_topdir}/libiberty/config/$frag
240 # If they didn't specify --enable-shared, don't generate shared libs.
241 case "${enable_shared}" in
248 # ...unless --enable-host-{shared,pie} was passed from top-level config:
249 if [[ "${enable_host_shared}" = "yes" ]] || [[ "${enable_host_pie}" = "yes" ]]; then
253 if [[ "${shared}" != "yes" ]]; then
259 case " ${CFLAGS} " in
260 *\ -fsanitize=address\ *) NOASANFLAG=-fno-sanitize=address ;;
261 *\ -fsanitize=hwaddress\ *) NOASANFLAG=-fno-sanitize=hwaddress ;;
265 GCC_CET_HOST_FLAGS(CET_HOST_FLAGS)
266 AC_SUBST(CET_HOST_FLAGS)
268 GCC_CHECK_ASSEMBLER_HWCAP
270 echo "# Warning: this fragment is automatically generated" > temp-frag
272 if [[ -n "${frag}" ]] && [[ -f "${frag}" ]]; then
273 echo "Appending ${frag} to xhost-mkfrag"
274 echo "# Following fragment copied from ${frag}" >> temp-frag
275 cat ${frag} >> temp-frag
278 # record if we want to build shared libs.
279 if [[ "${shared}" = "yes" ]]; then
280 echo enable_shared = yes >> temp-frag
282 echo enable_shared = no >> temp-frag
286 ${CONFIG_SHELL-/bin/sh} ${libiberty_topdir}/move-if-change temp-frag xhost-mkfrag
288 host_makefile_frag=${frag}
289 AC_SUBST_FILE(host_makefile_frag)
291 # It's OK to check for header files. Although the compiler may not be
292 # able to link anything, it had better be able to at least compile
294 AC_CHECK_HEADERS(sys/file.h sys/param.h limits.h stdlib.h malloc.h string.h unistd.h strings.h sys/time.h time.h sys/resource.h sys/stat.h sys/mman.h fcntl.h alloca.h sys/pstat.h sys/sysmp.h sys/sysinfo.h machine/hal_sysinfo.h sys/table.h sys/sysctl.h sys/systemcfg.h stdint.h stdio_ext.h process.h sys/prctl.h spawn.h)
298 libiberty_AC_DECLARE_ERRNO
300 # Determine sizes of some types.
301 AC_CHECK_SIZEOF([int])
302 AC_CHECK_SIZEOF([long])
303 AC_CHECK_SIZEOF([size_t])
305 # Check for presense of long long
306 AC_CHECK_TYPE([long long],
307 [AC_DEFINE(HAVE_LONG_LONG, 1, [Define if you have the `long long' type.]) AC_CHECK_SIZEOF([long long])],
310 # Look for a 64-bit type.
311 AC_MSG_CHECKING([for a 64-bit type])
312 AC_CACHE_VAL(liberty_cv_uint64,
314 [#ifdef HAVE_STDINT_H
317 [extern uint64_t foo;],
318 liberty_cv_uint64=uint64_t,
320 [#ifdef HAVE_LIMITS_H
326 [extern char foo[sizeof(long) * CHAR_BIT >= 64 ? 1 : -1];],
327 liberty_cv_uint64="unsigned long",
329 [#ifdef HAVE_LIMITS_H
335 [extern char foo[sizeof(long long) * CHAR_BIT >= 64 ? 1 : -1];],
336 liberty_cv_uint64="unsigned long long", liberty_cv_uint64=none)])])])
337 AC_MSG_RESULT($liberty_cv_uint64)
338 if test "$liberty_cv_uint64" != none; then
339 AC_DEFINE_UNQUOTED(UNSIGNED_64BIT_TYPE, $liberty_cv_uint64,
340 [Define to an unsigned 64-bit type available in the compiler.])
347 # Given the above check, we always have uintptr_t or a fallback
348 # definition. So define HAVE_UINTPTR_T in case any imported code
350 AC_DEFINE(HAVE_UINTPTR_T, 1, [Define if you have the \`uintptr_t' type.])
354 # This is the list of functions which libiberty will provide if they
355 # are not available on the host.
358 funcs="$funcs atexit"
359 funcs="$funcs basename"
362 funcs="$funcs bsearch"
364 funcs="$funcs calloc"
367 funcs="$funcs getcwd"
368 funcs="$funcs getpagesize"
369 funcs="$funcs gettimeofday"
371 funcs="$funcs insque"
372 funcs="$funcs memchr"
373 funcs="$funcs memcmp"
374 funcs="$funcs memcpy"
375 funcs="$funcs memmem"
376 funcs="$funcs memmove"
377 funcs="$funcs mempcpy"
378 funcs="$funcs memset"
379 funcs="$funcs mkstemps"
380 funcs="$funcs putenv"
381 funcs="$funcs random"
382 funcs="$funcs rename"
383 funcs="$funcs rindex"
384 funcs="$funcs setenv"
385 funcs="$funcs snprintf"
386 funcs="$funcs sigsetmask"
387 funcs="$funcs stpcpy"
388 funcs="$funcs stpncpy"
389 funcs="$funcs strcasecmp"
390 funcs="$funcs strchr"
391 funcs="$funcs strdup"
392 funcs="$funcs strncasecmp"
393 funcs="$funcs strndup"
394 funcs="$funcs strnlen"
395 funcs="$funcs strrchr"
396 funcs="$funcs strstr"
397 funcs="$funcs strtod"
398 funcs="$funcs strtol"
399 funcs="$funcs strtoul"
400 funcs="$funcs strtoll"
401 funcs="$funcs strtoull"
402 funcs="$funcs strverscmp"
403 funcs="$funcs tmpnam"
404 funcs="$funcs vasprintf"
405 funcs="$funcs vfprintf"
406 funcs="$funcs vprintf"
407 funcs="$funcs vsnprintf"
408 funcs="$funcs vsprintf"
409 funcs="$funcs waitpid"
410 funcs="$funcs setproctitle"
412 # Also in the old function.def file: alloca, vfork, getopt.
414 vars="sys_errlist sys_nerr sys_siglist"
416 checkfuncs="__fsetlocking canonicalize_file_name dup3 getrlimit getrusage \
417 getsysinfo gettimeofday on_exit pipe2 posix_spawn posix_spawnp psignal \
418 pstat_getdynamic pstat_getstatic \
419 realpath setrlimit spawnve spawnvpe strerror strsignal sysconf sysctl \
420 sysmp table times wait3 wait4"
422 #Â Darwin has sbrk, but it is deprecated and that produces build-time warnings
423 #Â so do not check for it.
426 *) checkfuncs="$checkfuncs sbrk"
429 # These are neither executed nor required, but they help keep
430 # autoheader happy without adding a bunch of text to acconfig.h.
431 if test "x" = "y"; then
432 AC_CHECK_FUNCS(asprintf atexit \
433 basename bcmp bcopy bsearch bzero \
434 calloc canonicalize_file_name clock \
437 getcwd getpagesize getrlimit getrusage getsysinfo gettimeofday \
439 memchr memcmp memcpy memmem memmove memset mkstemps \
441 pipe2 posix_spawn posix_spawnp psignal \
442 pstat_getdynamic pstat_getstatic putenv \
443 random realpath rename rindex \
444 sbrk setenv setproctitle setrlimit sigsetmask snprintf spawnve spawnvpe \
445 stpcpy stpncpy strcasecmp strchr strdup \
446 strerror strncasecmp strndup strnlen strrchr strsignal strstr strtod \
447 strtol strtoul strtoll strtoull strverscmp sysconf sysctl sysmp \
449 vasprintf vfprintf vprintf vsprintf \
451 AC_CHECK_DECLS([basename(char *), ffs, asprintf, vasprintf, snprintf, vsnprintf, strtol, strtoul, strtoll, strtoull, strnlen])
452 AC_DEFINE(HAVE_SYS_ERRLIST, 1, [Define if you have the sys_errlist variable.])
453 AC_DEFINE(HAVE_SYS_NERR, 1, [Define if you have the sys_nerr variable.])
454 AC_DEFINE(HAVE_SYS_SIGLIST, 1, [Define if you have the sys_siglist variable.])
457 # For each of these functions, if the host does not provide the
458 # function we want to put FN.o in LIBOBJS, and if the host does
459 # provide the function, we want to define HAVE_FN in config.h.
463 if test -n "${with_target_subdir}"; then
465 # We are being configured as a target library. AC_REPLACE_FUNCS
466 # may not work correctly, because the compiler may not be able to
467 # link executables. Note that we may still be being configured
470 # If we are being configured for newlib, we know which functions
471 # newlib provide and which ones we will be expected to provide.
473 if test "x${with_newlib}" = "xyes"; then
474 AC_LIBOBJ([asprintf])
475 AC_LIBOBJ([basename])
479 AC_LIBOBJ([vasprintf])
483 asprintf | basename | insque | random | strdup | vasprintf)
486 n=HAVE_`echo $f | tr 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'`
487 AC_DEFINE_UNQUOTED($n)
492 # newlib doesnt provide any of the variables in $vars, so we
493 # dont have to check them here.
495 # Of the functions in $checkfuncs, newlib only has strerror.
496 AC_DEFINE(HAVE_STRERROR)
502 # If we are being configured for Mingw, we know which functions
503 # Mingw provides and which ones we will be expected to provide.
507 AC_LIBOBJ([asprintf])
508 AC_LIBOBJ([basename])
514 AC_LIBOBJ([getpagesize])
518 AC_LIBOBJ([mkstemps])
521 AC_LIBOBJ([sigsetmask])
526 AC_LIBOBJ([strverscmp])
527 AC_LIBOBJ([vasprintf])
532 asprintf | basename | bcmp | bcopy | bzero | clock | ffs | getpagesize | index | insque | mempcpy | mkstemps | random | rindex | sigsetmask | stpcpy | stpncpy | strdup | strndup | strnlen | strverscmp | vasprintf | waitpid)
535 n=HAVE_`echo $f | tr 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'`
536 AC_DEFINE_UNQUOTED($n)
541 # Mingw doesnt provide any of the variables in $vars, so we
542 # dont have to check them here.
544 # Of the functions in $checkfuncs, Mingw only has strerror.
545 AC_DEFINE(HAVE_STRERROR)
551 AC_LIBOBJ([vasprintf])
552 AC_LIBOBJ([vsnprintf])
553 AC_LIBOBJ([snprintf])
554 AC_LIBOBJ([asprintf])
556 for f in atexit basename bcmp bcopy bsearch bzero calloc clock ffs \
557 getcwd getpagesize getrusage gettimeofday \
558 index insque memchr memcmp memcpy memmove memset psignal \
559 putenv random rename rindex sbrk setenv stpcpy strcasecmp \
560 strchr strdup strerror strncasecmp strrchr strstr strtod \
561 strtol strtoul sysconf times tmpnam vfprintf vprintf \
564 n=HAVE_`echo $f | tr 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'`
565 AC_DEFINE_UNQUOTED($n)
576 # Not a target library, so we set things up to run the test suite.
582 AC_SUBST(target_header_dir)
585 *-*-cygwin* | *-*-mingw*)
586 AC_DEFINE(HAVE_SYS_ERRLIST)
587 AC_DEFINE(HAVE_SYS_NERR)
591 if test -z "${setobjs}"; then
595 # Handle VxWorks configuration specially, since on VxWorks the
596 # libraries are actually on the target board, not in the file
598 AC_LIBOBJ([basename])
599 AC_LIBOBJ([getpagesize])
602 AC_LIBOBJ([strcasecmp])
603 AC_LIBOBJ([strncasecmp])
607 AC_LIBOBJ([vasprintf])
610 basename | getpagesize | insque | random | strcasecmp)
612 strncasecmp | strdup | vfork | waitpid | vasprintf)
615 n=HAVE_`echo $f | tr 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'`
616 AC_DEFINE_UNQUOTED($n)
621 # VxWorks doesn't provide any of the variables in $vars, so we
622 # don't have to check them here.
624 # Of the functions in $checkfuncs, VxWorks only has strerror.
625 AC_DEFINE(HAVE_STRERROR)
633 if test -z "${setobjs}"; then
638 # On android, getpagesize is defined in unistd.h as a static inline
639 # function, which AC_CHECK_FUNCS does not handle properly.
640 ac_cv_func_getpagesize=yes
644 # Replace system snprintf and vsnprintf with libiberty implementations.
645 AC_LIBOBJ([snprintf])
646 AC_LIBOBJ([vsnprintf])
650 # Under mingw32, sys_nerr and sys_errlist exist, but they are
651 # macros, so the test below won't find them.
652 libiberty_cv_var_sys_nerr=yes
653 libiberty_cv_var_sys_errlist=yes
657 # vfork and fork are stubs.
658 ac_cv_func_vfork_works=no
662 # Under some versions of uwin, vfork is notoriously buggy and the test
663 # can hang configure; on other versions, vfork exists just as a stub.
664 # FIXME: This should be removed once vfork in uwin's runtime is fixed.
665 ac_cv_func_vfork_works=no
666 # Under uwin 2.0+, sys_nerr and sys_errlist exist, but they are
667 # macros (actually, these are imported from a DLL, but the end effect
668 # is the same), so the test below won't find them.
669 libiberty_cv_var_sys_nerr=yes
670 libiberty_cv_var_sys_errlist=yes
674 # Under VMS, vfork works very different than on Unix. The standard test
675 # won't work, and it isn't easily adaptable. It makes more sense to
677 ac_cv_func_vfork_works=yes
682 # We haven't set the list of objects yet. Use the standard autoconf
683 # tests. This will only work if the compiler works.
685 AC_REPLACE_FUNCS($funcs)
686 libiberty_AC_FUNC_C_ALLOCA
688 if test $ac_cv_func_vfork_works = no; then
691 # We only need _doprnt if we might use it to implement v*printf.
692 if test $ac_cv_func_vprintf != yes \
693 || test $ac_cv_func_vfprintf != yes \
694 || test $ac_cv_func_vsprintf != yes; then
695 AC_REPLACE_FUNCS(_doprnt)
697 AC_CHECK_FUNCS(_doprnt)
701 AC_MSG_CHECKING([for $v])
702 AC_CACHE_VAL(libiberty_cv_var_$v,
703 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[extern int $v [];]],[[if ($v [0]) return 1;]])],
704 [eval "libiberty_cv_var_$v=yes"],
705 [eval "libiberty_cv_var_$v=no"])])
706 if eval "test \"`echo '$libiberty_cv_var_'$v`\" = yes"; then
708 n=HAVE_`echo $v | tr 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'`
709 AC_DEFINE_UNQUOTED($n)
715 # special check for _system_configuration because AIX <4.3.2 do not
716 # contain the `physmem' member.
717 AC_MSG_CHECKING([for external symbol _system_configuration])
718 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/systemcfg.h>]],
719 [[double x = _system_configuration.physmem;]])],
720 [AC_MSG_RESULT([yes])
721 AC_DEFINE(HAVE__SYSTEM_CONFIGURATION, 1,
722 [Define if you have the _system_configuration variable.])],
723 [AC_MSG_RESULT([no])])
725 AC_CHECK_FUNCS($checkfuncs)
726 AC_CHECK_DECLS([basename(char *), ffs, asprintf, vasprintf, snprintf, vsnprintf])
727 AC_CHECK_DECLS([calloc, getenv, getopt, malloc, realloc])
729 *-*-darwin*) ;; # Darwin's sbrk implementation is deprecated.
730 *) AC_CHECK_DECLS([sbrk]);;
732 AC_CHECK_DECLS([strtol, strtoul, strtoll, strtoull])
733 AC_CHECK_DECLS([strverscmp])
734 AC_CHECK_DECLS([strnlen])
735 libiberty_NEED_DECLARATION(canonicalize_file_name)
738 # Figure out which version of pexecute to use.
740 *-*-mingw* | *-*-winnt*) pexecute=pex-win32 ;;
741 *-*-msdosdjgpp*) pexecute=pex-djgpp ;;
742 *-*-msdos*) pexecute=pex-msdos ;;
743 *) pexecute=pex-unix ;;
747 AC_MSG_CHECKING([for SHA1 HW acceleration support])
748 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
749 #include <x86intrin.h>
752 __attribute__((__target__ ("sse4.1,sha")))
753 void foo (__m128i *buf, unsigned int e, __m128i msg0, __m128i msg1)
755 __m128i abcd = _mm_loadu_si128 ((const __m128i *) buf);
756 __m128i e0 = _mm_set_epi32 (e, 0, 0, 0);
757 abcd = _mm_shuffle_epi32 (abcd, 0x1b);
758 const __m128i shuf_mask = _mm_set_epi64x (0x0001020304050607ULL, 0x08090a0b0c0d0e0fULL);
759 abcd = _mm_shuffle_epi8 (abcd, shuf_mask);
760 e0 = _mm_sha1nexte_epu32 (e0, msg1);
761 abcd = _mm_sha1rnds4_epu32 (abcd, e0, 0);
762 msg0 = _mm_sha1msg1_epu32 (msg0, msg1);
763 msg0 = _mm_sha1msg2_epu32 (msg0, msg1);
764 msg0 = _mm_xor_si128 (msg0, msg1);
765 e0 = _mm_add_epi32 (e0, msg0);
767 _mm_storeu_si128 (buf, abcd);
768 e = _mm_extract_epi32 (e0, 3);
773 unsigned int eax, ebx, ecx, edx;
775 (void) __get_cpuid_count;
776 if (__get_cpuid_count (7, 0, &eax, &ebx, &ecx, &edx)
777 && (ebx & bit_SHA) != 0
778 && __get_cpuid (1, &eax, &ebx, &ecx, &edx)
779 && (ecx & bit_SSE4_1) != 0)
784 [AC_MSG_RESULT([x86 SHA1])
785 AC_DEFINE(HAVE_X86_SHA1_HW_SUPPORT, 1,
786 [Define if you have x86 SHA1 HW acceleration support.])],
787 [AC_MSG_RESULT([no])])
789 libiberty_AC_FUNC_STRNCMP
791 # Install a library built with a cross compiler in $(tooldir) rather
793 if test -z "${with_cross_host}"; then
798 AC_SUBST(INSTALL_DEST)
800 m4_pattern_allow(LIBOBJS)
802 for l in x $LIBOBJS; do
810 dnl Required by html and install-html
811 AC_SUBST(datarootdir)
815 # We need multilib support, but only if configuring for the target.
816 AC_CONFIG_FILES([Makefile testsuite/Makefile])
817 AC_CONFIG_COMMANDS([default],
818 [[test -z "$CONFIG_HEADERS" || echo timestamp > stamp-h
819 if test -n "$CONFIG_FILES"; then
820 if test -n "${with_target_subdir}"; then
821 # FIXME: We shouldn't need to set ac_file
823 LD="${ORIGINAL_LD_FOR_MULTILIBS}"
824 . ${libiberty_topdir}/config-ml.in
830 with_target_subdir=${with_target_subdir}
831 with_multisubdir=${with_multisubdir}
832 ac_configure_args="--enable-multilib ${ac_configure_args}"
833 CONFIG_SHELL=${CONFIG_SHELL-/bin/sh}
834 ORIGINAL_LD_FOR_MULTILIBS="${ORIGINAL_LD_FOR_MULTILIBS}"
835 libiberty_topdir=${libiberty_topdir}