1 dnl Process this file with autoconf to produce a configure script
5 AC_CONFIG_SRCDIR([xmalloc.c])
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 # Do we have a single-tree copy of texinfo? Even if we do, we can't
66 # rely on it - libiberty is built before texinfo.
67 AC_CHECK_PROG(MAKEINFO, makeinfo, makeinfo, )
68 if test "x$MAKEINFO" = "x"; then
69 MAKEINFO="@echo makeinfo missing; true"
77 *** Makeinfo is missing. Info documentation will not be built.])
80 case x"`$MAKEINFO --version | grep 'GNU texinfo'`" in
82 MAKEINFO="@echo $MAKEINFO is too old, 4.0 or newer required; true"
85 *** Makeinfo is too old. Info documentation will not be built.])
94 AC_CHECK_PROG(PERL, perl, perl, )
95 if test x"$PERL" = x""; then
104 dnl When we start using automake:
105 dnl AM_INIT_AUTOMAKE(libiberty, 1.0)
107 dnl These must be called before AM_PROG_LIBTOOL, because it may want
108 dnl to call AC_CHECK_PROG.
109 AC_CHECK_TOOL(AR, ar)
110 AC_CHECK_TOOL(RANLIB, ranlib, :)
112 dnl When switching to automake, replace the following with AM_ENABLE_MULTILIB.
113 # Add --enable-multilib to configure.
114 # Default to --enable-multilib
115 AC_ARG_ENABLE(multilib,
116 [ --enable-multilib build many library versions (default)],
117 [case "$enableval" in
120 *) AC_MSG_ERROR([bad value $enableval for multilib option]) ;;
124 # Even if the default multilib is not a cross compilation,
125 # it may be that some of the other multilibs are.
126 if test $cross_compiling = no && test $multilib = yes \
127 && test "x${with_multisubdir}" != x ; then
128 cross_compiling=maybe
131 # We may wish to install the target headers somewhere.
132 AC_MSG_CHECKING([whether to install libiberty headers and static library])
133 dnl install-libiberty is disabled by default
135 AC_ARG_ENABLE(install-libiberty,
136 [ --enable-install-libiberty Install headers and library for end users],
137 enable_install_libiberty=$enableval,
138 enable_install_libiberty=no)dnl
140 # Option parsed, now set things appropriately.
141 case x"$enable_install_libiberty" in
143 target_header_dir=libiberty
149 # This could be sanity-checked in various ways...
150 target_header_dir="${enable_install_libiberty}"
153 AC_MSG_RESULT($enable_install_libiberty)
154 AC_MSG_NOTICE([target_header_dir = $target_header_dir])
161 ACX_PROG_CC_WARNING_OPTS([-W -Wall -Wwrite-strings -Wc++-compat \
162 -Wstrict-prototypes], [ac_libiberty_warn_cflags])
163 ACX_PROG_CC_WARNING_ALMOST_PEDANTIC([], [ac_libiberty_warn_cflags])
166 # autoconf is lame and doesn't give us any substitution variable for this.
167 if eval "test \"`echo '$ac_cv_prog_cc_'${ac_cc}_c_o`\" = no"; then
168 NO_MINUS_C_MINUS_O=yes
170 OUTPUT_OPTION='-o $@'
172 AC_SUBST(NO_MINUS_C_MINUS_O)
173 AC_SUBST(OUTPUT_OPTION)
179 dnl When we start using libtool:
180 dnl Default to a non shared library. This may be overridden by the
181 dnl configure option --enable-shared.
182 dnl AM_DISABLE_SHARED
184 dnl When we start using libtool:
187 dnl When we start using automake:
188 dnl AM_CONFIG_HEADER(config.h:config.in)
189 AC_CONFIG_HEADER(config.h:config.in)
191 dnl When we start using automake:
192 dnl AM_MAINTAINER_MODE
195 dnl When we start using automake:
199 # Don't build the shared library for build.
200 if [[ -n "${with_build_subdir}" ]]; then
206 rs6000-ibm-aix3.1 | rs6000-ibm-aix)
208 *-*-cxux7*) frag=mh-cxux7 ;;
209 *-*-freebsd2.1.*) frag=mh-fbsd21 ;;
210 *-*-freebsd2.2.[[012]]) frag=mh-fbsd21 ;;
211 i370-*-opened*) frag=mh-openedition ;;
212 i[[34567]]86-*-windows*) frag=mh-windows ;;
215 if [[ -n "${frag}" ]]; then
216 frag=${libiberty_topdir}/libiberty/config/$frag
221 # If they didn't specify --enable-shared, don't generate shared libs.
222 case "${enable_shared}" in
229 # ...unless --enable-host-shared was passed from top-level config:
230 if [[ "${enable_host_shared}" = "yes" ]]; then
234 if [[ "${shared}" != "yes" ]]; then
240 case " ${CFLAGS} " in
241 *\ -fsanitize=address\ *) NOASANFLAG=-fno-sanitize=address ;;
245 echo "# Warning: this fragment is automatically generated" > temp-frag
247 if [[ -n "${frag}" ]] && [[ -f "${frag}" ]]; then
248 echo "Appending ${frag} to xhost-mkfrag"
249 echo "# Following fragment copied from ${frag}" >> temp-frag
250 cat ${frag} >> temp-frag
253 # record if we want to build shared libs.
254 if [[ "${shared}" = "yes" ]]; then
255 echo enable_shared = yes >> temp-frag
257 echo enable_shared = no >> temp-frag
261 ${CONFIG_SHELL-/bin/sh} ${libiberty_topdir}/move-if-change temp-frag xhost-mkfrag
263 host_makefile_frag=${frag}
264 AC_SUBST_FILE(host_makefile_frag)
266 # It's OK to check for header files. Although the compiler may not be
267 # able to link anything, it had better be able to at least compile
269 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)
273 libiberty_AC_DECLARE_ERRNO
275 # Determine the size of an int for struct fibnode.
276 AC_CHECK_SIZEOF([int])
278 # Look for a 64-bit type.
279 AC_MSG_CHECKING([for a 64-bit type])
280 AC_CACHE_VAL(liberty_cv_uint64,
282 [#ifdef HAVE_STDINT_H
285 [extern uint64_t foo;],
286 liberty_cv_uint64=uint64_t,
288 [#ifdef HAVE_LIMITS_H
294 [extern char foo[sizeof(long) * CHAR_BIT >= 64 ? 1 : -1];],
295 liberty_cv_uint64="unsigned long",
297 [#ifdef HAVE_LIMITS_H
303 [extern char foo[sizeof(long long) * CHAR_BIT >= 64 ? 1 : -1];],
304 liberty_cv_uint64="unsigned long long", liberty_cv_uint64=none)])])])
305 AC_MSG_RESULT($liberty_cv_uint64)
306 if test "$liberty_cv_uint64" != none; then
307 AC_DEFINE_UNQUOTED(UNSIGNED_64BIT_TYPE, $liberty_cv_uint64,
308 [Define to an unsigned 64-bit type available in the compiler.])
315 # Given the above check, we always have uintptr_t or a fallback
316 # definition. So define HAVE_UINTPTR_T in case any imported code
318 AC_DEFINE(HAVE_UINTPTR_T, 1, [Define if you have the \`uintptr_t' type.])
322 # This is the list of functions which libiberty will provide if they
323 # are not available on the host.
326 funcs="$funcs atexit"
327 funcs="$funcs basename"
330 funcs="$funcs bsearch"
332 funcs="$funcs calloc"
335 funcs="$funcs getcwd"
336 funcs="$funcs getpagesize"
337 funcs="$funcs gettimeofday"
339 funcs="$funcs insque"
340 funcs="$funcs memchr"
341 funcs="$funcs memcmp"
342 funcs="$funcs memcpy"
343 funcs="$funcs memmem"
344 funcs="$funcs memmove"
345 funcs="$funcs mempcpy"
346 funcs="$funcs memset"
347 funcs="$funcs mkstemps"
348 funcs="$funcs putenv"
349 funcs="$funcs random"
350 funcs="$funcs rename"
351 funcs="$funcs rindex"
352 funcs="$funcs setenv"
353 funcs="$funcs snprintf"
354 funcs="$funcs sigsetmask"
355 funcs="$funcs stpcpy"
356 funcs="$funcs stpncpy"
357 funcs="$funcs strcasecmp"
358 funcs="$funcs strchr"
359 funcs="$funcs strdup"
360 funcs="$funcs strncasecmp"
361 funcs="$funcs strndup"
362 funcs="$funcs strnlen"
363 funcs="$funcs strrchr"
364 funcs="$funcs strstr"
365 funcs="$funcs strtod"
366 funcs="$funcs strtol"
367 funcs="$funcs strtoul"
368 funcs="$funcs strverscmp"
369 funcs="$funcs tmpnam"
370 funcs="$funcs vasprintf"
371 funcs="$funcs vfprintf"
372 funcs="$funcs vprintf"
373 funcs="$funcs vsnprintf"
374 funcs="$funcs vsprintf"
375 funcs="$funcs waitpid"
376 funcs="$funcs setproctitle"
378 # Also in the old function.def file: alloca, vfork, getopt.
380 vars="sys_errlist sys_nerr sys_siglist"
382 checkfuncs="__fsetlocking canonicalize_file_name dup3 getrlimit getrusage \
383 getsysinfo gettimeofday on_exit psignal pstat_getdynamic pstat_getstatic \
384 realpath setrlimit sbrk spawnve spawnvpe strerror strsignal sysconf sysctl \
385 sysmp table times wait3 wait4"
387 # These are neither executed nor required, but they help keep
388 # autoheader happy without adding a bunch of text to acconfig.h.
389 if test "x" = "y"; then
390 AC_CHECK_FUNCS(asprintf atexit \
391 basename bcmp bcopy bsearch bzero \
392 calloc canonicalize_file_name clock \
395 getcwd getpagesize getrlimit getrusage getsysinfo gettimeofday \
397 memchr memcmp memcpy memmem memmove memset mkstemps \
399 psignal pstat_getdynamic pstat_getstatic putenv \
400 random realpath rename rindex \
401 sbrk setenv setproctitle setrlimit sigsetmask snprintf spawnve spawnvpe \
402 stpcpy stpncpy strcasecmp strchr strdup \
403 strerror strncasecmp strndup strnlen strrchr strsignal strstr strtod \
404 strtol strtoul strverscmp sysconf sysctl sysmp \
406 vasprintf vfprintf vprintf vsprintf \
408 AC_CHECK_DECLS([basename(char *), ffs, asprintf, vasprintf, snprintf, vsnprintf])
409 AC_DEFINE(HAVE_SYS_ERRLIST, 1, [Define if you have the sys_errlist variable.])
410 AC_DEFINE(HAVE_SYS_NERR, 1, [Define if you have the sys_nerr variable.])
411 AC_DEFINE(HAVE_SYS_SIGLIST, 1, [Define if you have the sys_siglist variable.])
414 # For each of these functions, if the host does not provide the
415 # function we want to put FN.o in LIBOBJS, and if the host does
416 # provide the function, we want to define HAVE_FN in config.h.
420 if test -n "${with_target_subdir}"; then
422 # We are being configured as a target library. AC_REPLACE_FUNCS
423 # may not work correctly, because the compiler may not be able to
424 # link executables. Note that we may still be being configured
427 # If we are being configured for newlib, we know which functions
428 # newlib provide and which ones we will be expected to provide.
430 if test "x${with_newlib}" = "xyes"; then
431 AC_LIBOBJ([asprintf])
432 AC_LIBOBJ([basename])
436 AC_LIBOBJ([vasprintf])
440 asprintf | basename | insque | random | strdup | vasprintf)
443 n=HAVE_`echo $f | tr 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'`
444 AC_DEFINE_UNQUOTED($n)
449 # newlib doesnt provide any of the variables in $vars, so we
450 # dont have to check them here.
452 # Of the functions in $checkfuncs, newlib only has strerror.
453 AC_DEFINE(HAVE_STRERROR)
459 # If we are being configured for Mingw, we know which functions
460 # Mingw provides and which ones we will be expected to provide.
464 AC_LIBOBJ([asprintf])
465 AC_LIBOBJ([basename])
471 AC_LIBOBJ([getpagesize])
475 AC_LIBOBJ([mkstemps])
478 AC_LIBOBJ([sigsetmask])
483 AC_LIBOBJ([strverscmp])
484 AC_LIBOBJ([vasprintf])
489 asprintf | basename | bcmp | bcopy | bzero | clock | ffs | getpagesize | index | insque | mempcpy | mkstemps | random | rindex | sigsetmask | stpcpy | stpncpy | strdup | strndup | strnlen | strverscmp | vasprintf | waitpid)
492 n=HAVE_`echo $f | tr 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'`
493 AC_DEFINE_UNQUOTED($n)
498 # Mingw doesnt provide any of the variables in $vars, so we
499 # dont have to check them here.
501 # Of the functions in $checkfuncs, Mingw only has strerror.
502 AC_DEFINE(HAVE_STRERROR)
508 AC_LIBOBJ([vasprintf])
509 AC_LIBOBJ([vsnprintf])
510 AC_LIBOBJ([snprintf])
511 AC_LIBOBJ([asprintf])
513 for f in atexit basename bcmp bcopy bsearch bzero calloc clock ffs \
514 getcwd getpagesize getrusage gettimeofday \
515 index insque memchr memcmp memcpy memmove memset psignal \
516 putenv random rename rindex sbrk setenv stpcpy strcasecmp \
517 strchr strdup strerror strncasecmp strrchr strstr strtod \
518 strtol strtoul sysconf times tmpnam vfprintf vprintf \
521 n=HAVE_`echo $f | tr 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'`
522 AC_DEFINE_UNQUOTED($n)
533 # Not a target library, so we set things up to run the test suite.
539 AC_SUBST(target_header_dir)
542 *-*-cygwin* | *-*-mingw*)
543 AC_DEFINE(HAVE_SYS_ERRLIST)
544 AC_DEFINE(HAVE_SYS_NERR)
548 if test -z "${setobjs}"; then
552 # Handle VxWorks configuration specially, since on VxWorks the
553 # libraries are actually on the target board, not in the file
555 AC_LIBOBJ([basename])
556 AC_LIBOBJ([getpagesize])
559 AC_LIBOBJ([strcasecmp])
560 AC_LIBOBJ([strncasecmp])
564 AC_LIBOBJ([vasprintf])
567 basename | getpagesize | insque | random | strcasecmp)
569 strncasecmp | strdup | vfork | waitpid | vasprintf)
572 n=HAVE_`echo $f | tr 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'`
573 AC_DEFINE_UNQUOTED($n)
578 # VxWorks doesn't provide any of the variables in $vars, so we
579 # don't have to check them here.
581 # Of the functions in $checkfuncs, VxWorks only has strerror.
582 AC_DEFINE(HAVE_STRERROR)
590 if test -z "${setobjs}"; then
595 # Under mingw32, sys_nerr and sys_errlist exist, but they are
596 # macros, so the test below won't find them.
597 libiberty_cv_var_sys_nerr=yes
598 libiberty_cv_var_sys_errlist=yes
602 # vfork and fork are stubs.
603 ac_cv_func_vfork_works=no
607 # Under some versions of uwin, vfork is notoriously buggy and the test
608 # can hang configure; on other versions, vfork exists just as a stub.
609 # FIXME: This should be removed once vfork in uwin's runtime is fixed.
610 ac_cv_func_vfork_works=no
611 # Under uwin 2.0+, sys_nerr and sys_errlist exist, but they are
612 # macros (actually, these are imported from a DLL, but the end effect
613 # is the same), so the test below won't find them.
614 libiberty_cv_var_sys_nerr=yes
615 libiberty_cv_var_sys_errlist=yes
619 # Under VMS, vfork works very different than on Unix. The standard test
620 # won't work, and it isn't easily adaptable. It makes more sense to
622 ac_cv_func_vfork_works=yes
627 # We haven't set the list of objects yet. Use the standard autoconf
628 # tests. This will only work if the compiler works.
630 AC_REPLACE_FUNCS($funcs)
631 libiberty_AC_FUNC_C_ALLOCA
633 if test $ac_cv_func_vfork_works = no; then
636 # We only need _doprnt if we might use it to implement v*printf.
637 if test $ac_cv_func_vprintf != yes \
638 || test $ac_cv_func_vfprintf != yes \
639 || test $ac_cv_func_vsprintf != yes; then
640 AC_REPLACE_FUNCS(_doprnt)
642 AC_CHECK_FUNCS(_doprnt)
646 AC_MSG_CHECKING([for $v])
647 AC_CACHE_VAL(libiberty_cv_var_$v,
648 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[int *p;]],[[extern int $v []; p = $v;]])],
649 [eval "libiberty_cv_var_$v=yes"],
650 [eval "libiberty_cv_var_$v=no"])])
651 if eval "test \"`echo '$libiberty_cv_var_'$v`\" = yes"; then
653 n=HAVE_`echo $v | tr 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'`
654 AC_DEFINE_UNQUOTED($n)
660 # special check for _system_configuration because AIX <4.3.2 do not
661 # contain the `physmem' member.
662 AC_MSG_CHECKING([for external symbol _system_configuration])
663 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/systemcfg.h>]],
664 [[double x = _system_configuration.physmem;]])],
665 [AC_MSG_RESULT([yes])
666 AC_DEFINE(HAVE__SYSTEM_CONFIGURATION, 1,
667 [Define if you have the _system_configuration variable.])],
668 [AC_MSG_RESULT([no])])
670 AC_CHECK_FUNCS($checkfuncs)
671 AC_CHECK_DECLS([basename(char *), ffs, asprintf, vasprintf, snprintf, vsnprintf])
672 AC_CHECK_DECLS([calloc, getenv, getopt, malloc, realloc, sbrk])
673 AC_CHECK_DECLS([strverscmp])
674 libiberty_NEED_DECLARATION(canonicalize_file_name)
677 # Figure out which version of pexecute to use.
679 *-*-mingw* | *-*-winnt*) pexecute=pex-win32 ;;
680 *-*-msdosdjgpp*) pexecute=pex-djgpp ;;
681 *-*-msdos*) pexecute=pex-msdos ;;
682 *) pexecute=pex-unix ;;
686 libiberty_AC_FUNC_STRNCMP
688 # Install a library built with a cross compiler in $(tooldir) rather
690 if test -z "${with_cross_host}"; then
695 AC_SUBST(INSTALL_DEST)
697 m4_pattern_allow(LIBOBJS)
699 for l in x $LIBOBJS; do
707 dnl Required by html and install-html
708 AC_SUBST(datarootdir)
712 # We need multilib support, but only if configuring for the target.
713 AC_CONFIG_FILES([Makefile testsuite/Makefile])
714 AC_CONFIG_COMMANDS([default],
715 [[test -z "$CONFIG_HEADERS" || echo timestamp > stamp-h
716 if test -n "$CONFIG_FILES"; then
717 if test -n "${with_target_subdir}"; then
718 # FIXME: We shouldn't need to set ac_file
720 LD="${ORIGINAL_LD_FOR_MULTILIBS}"
721 . ${libiberty_topdir}/config-ml.in
727 with_target_subdir=${with_target_subdir}
728 with_multisubdir=${with_multisubdir}
729 ac_configure_args="--enable-multilib ${ac_configure_args}"
730 CONFIG_SHELL=${CONFIG_SHELL-/bin/sh}
731 ORIGINAL_LD_FOR_MULTILIBS="${ORIGINAL_LD_FOR_MULTILIBS}"
732 libiberty_topdir=${libiberty_topdir}