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
228 if [[ "${shared}" != "yes" ]]; then
233 echo "# Warning: this fragment is automatically generated" > temp-frag
235 if [[ -n "${frag}" ]] && [[ -f "${frag}" ]]; then
236 echo "Appending ${frag} to xhost-mkfrag"
237 echo "# Following fragment copied from ${frag}" >> temp-frag
238 cat ${frag} >> temp-frag
241 # record if we want to build shared libs.
242 if [[ "${shared}" = "yes" ]]; then
243 echo enable_shared = yes >> temp-frag
245 echo enable_shared = no >> temp-frag
249 ${CONFIG_SHELL-/bin/sh} ${libiberty_topdir}/move-if-change temp-frag xhost-mkfrag
251 host_makefile_frag=${frag}
252 AC_SUBST_FILE(host_makefile_frag)
254 # It's OK to check for header files. Although the compiler may not be
255 # able to link anything, it had better be able to at least compile
257 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)
261 libiberty_AC_DECLARE_ERRNO
263 # Determine the size of an int for struct fibnode.
264 AC_CHECK_SIZEOF([int])
266 # Look for a 64-bit type.
267 AC_MSG_CHECKING([for a 64-bit type])
268 AC_CACHE_VAL(liberty_cv_uint64,
270 [#ifdef HAVE_STDINT_H
273 [extern uint64_t foo;],
274 liberty_cv_uint64=uint64_t,
276 [#ifdef HAVE_LIMITS_H
282 [extern char foo[sizeof(long) * CHAR_BIT >= 64 ? 1 : -1];],
283 liberty_cv_uint64="unsigned long",
285 [#ifdef HAVE_LIMITS_H
291 [extern char foo[sizeof(long long) * CHAR_BIT >= 64 ? 1 : -1];],
292 liberty_cv_uint64="unsigned long long", liberty_cv_uint64=none)])])])
293 AC_MSG_RESULT($liberty_cv_uint64)
294 if test "$liberty_cv_uint64" != none; then
295 AC_DEFINE_UNQUOTED(UNSIGNED_64BIT_TYPE, $liberty_cv_uint64,
296 [Define to an unsigned 64-bit type available in the compiler.])
303 # Given the above check, we always have uintptr_t or a fallback
304 # definition. So define HAVE_UINTPTR_T in case any imported code
306 AC_DEFINE(HAVE_UINTPTR_T, 1, [Define if you have the \`uintptr_t' type.])
310 # This is the list of functions which libiberty will provide if they
311 # are not available on the host.
314 funcs="$funcs atexit"
315 funcs="$funcs basename"
318 funcs="$funcs bsearch"
320 funcs="$funcs calloc"
323 funcs="$funcs getcwd"
324 funcs="$funcs getpagesize"
325 funcs="$funcs gettimeofday"
327 funcs="$funcs insque"
328 funcs="$funcs memchr"
329 funcs="$funcs memcmp"
330 funcs="$funcs memcpy"
331 funcs="$funcs memmem"
332 funcs="$funcs memmove"
333 funcs="$funcs mempcpy"
334 funcs="$funcs memset"
335 funcs="$funcs mkstemps"
336 funcs="$funcs putenv"
337 funcs="$funcs random"
338 funcs="$funcs rename"
339 funcs="$funcs rindex"
340 funcs="$funcs setenv"
341 funcs="$funcs snprintf"
342 funcs="$funcs sigsetmask"
343 funcs="$funcs stpcpy"
344 funcs="$funcs stpncpy"
345 funcs="$funcs strcasecmp"
346 funcs="$funcs strchr"
347 funcs="$funcs strdup"
348 funcs="$funcs strncasecmp"
349 funcs="$funcs strndup"
350 funcs="$funcs strnlen"
351 funcs="$funcs strrchr"
352 funcs="$funcs strstr"
353 funcs="$funcs strtod"
354 funcs="$funcs strtol"
355 funcs="$funcs strtoul"
356 funcs="$funcs strverscmp"
357 funcs="$funcs tmpnam"
358 funcs="$funcs vasprintf"
359 funcs="$funcs vfprintf"
360 funcs="$funcs vprintf"
361 funcs="$funcs vsnprintf"
362 funcs="$funcs vsprintf"
363 funcs="$funcs waitpid"
364 funcs="$funcs setproctitle"
366 # Also in the old function.def file: alloca, vfork, getopt.
368 vars="sys_errlist sys_nerr sys_siglist"
370 checkfuncs="__fsetlocking canonicalize_file_name dup3 getrlimit getrusage \
371 getsysinfo gettimeofday on_exit psignal pstat_getdynamic pstat_getstatic \
372 realpath setrlimit sbrk spawnve spawnvpe strerror strsignal sysconf sysctl \
373 sysmp table times wait3 wait4"
375 # These are neither executed nor required, but they help keep
376 # autoheader happy without adding a bunch of text to acconfig.h.
377 if test "x" = "y"; then
378 AC_CHECK_FUNCS(asprintf atexit \
379 basename bcmp bcopy bsearch bzero \
380 calloc canonicalize_file_name clock \
383 getcwd getpagesize getrlimit getrusage getsysinfo gettimeofday \
385 memchr memcmp memcpy memmem memmove memset mkstemps \
387 psignal pstat_getdynamic pstat_getstatic putenv \
388 random realpath rename rindex \
389 sbrk setenv setproctitle setrlimit sigsetmask snprintf spawnve spawnvpe \
390 stpcpy stpncpy strcasecmp strchr strdup \
391 strerror strncasecmp strndup strnlen strrchr strsignal strstr strtod \
392 strtol strtoul strverscmp sysconf sysctl sysmp \
394 vasprintf vfprintf vprintf vsprintf \
396 AC_CHECK_DECLS([basename(char *), ffs, asprintf, vasprintf, snprintf, vsnprintf])
397 AC_DEFINE(HAVE_SYS_ERRLIST, 1, [Define if you have the sys_errlist variable.])
398 AC_DEFINE(HAVE_SYS_NERR, 1, [Define if you have the sys_nerr variable.])
399 AC_DEFINE(HAVE_SYS_SIGLIST, 1, [Define if you have the sys_siglist variable.])
402 # For each of these functions, if the host does not provide the
403 # function we want to put FN.o in LIBOBJS, and if the host does
404 # provide the function, we want to define HAVE_FN in config.h.
409 if test -n "${with_target_subdir}"; then
411 # We are being configured as a target library. AC_REPLACE_FUNCS
412 # may not work correctly, because the compiler may not be able to
413 # link executables. Note that we may still be being configured
416 # If we are being configured for newlib, we know which functions
417 # newlib provide and which ones we will be expected to provide.
419 if test "x${with_newlib}" = "xyes"; then
420 AC_LIBOBJ([asprintf])
421 AC_LIBOBJ([basename])
425 AC_LIBOBJ([vasprintf])
429 asprintf | basename | insque | random | strdup | vasprintf)
432 n=HAVE_`echo $f | tr 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'`
433 AC_DEFINE_UNQUOTED($n)
438 # newlib doesnt provide any of the variables in $vars, so we
439 # dont have to check them here.
441 # Of the functions in $checkfuncs, newlib only has strerror.
442 AC_DEFINE(HAVE_STRERROR)
448 # If we are being configured for Mingw, we know which functions
449 # Mingw provides and which ones we will be expected to provide.
453 AC_LIBOBJ([asprintf])
454 AC_LIBOBJ([basename])
460 AC_LIBOBJ([getpagesize])
464 AC_LIBOBJ([mkstemps])
467 AC_LIBOBJ([sigsetmask])
472 AC_LIBOBJ([strverscmp])
473 AC_LIBOBJ([vasprintf])
478 asprintf | basename | bcmp | bcopy | bzero | clock | ffs | getpagesize | index | insque | mempcpy | mkstemps | random | rindex | sigsetmask | stpcpy | stpncpy | strdup | strndup | strnlen | strverscmp | vasprintf | waitpid)
481 n=HAVE_`echo $f | tr 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'`
482 AC_DEFINE_UNQUOTED($n)
487 # Mingw doesnt provide any of the variables in $vars, so we
488 # dont have to check them here.
490 # Of the functions in $checkfuncs, Mingw only has strerror.
491 AC_DEFINE(HAVE_STRERROR)
497 AC_LIBOBJ([vasprintf])
498 AC_LIBOBJ([vsnprintf])
499 AC_LIBOBJ([snprintf])
500 AC_LIBOBJ([asprintf])
502 for f in atexit basename bcmp bcopy bsearch bzero calloc clock ffs \
503 getcwd getpagesize getrusage gettimeofday \
504 index insque memchr memcmp memcpy memmove memset psignal \
505 putenv random rename rindex sbrk setenv stpcpy strcasecmp \
506 strchr strdup strerror strncasecmp strrchr strstr strtod \
507 strtol strtoul sysconf times tmpnam vfprintf vprintf \
510 n=HAVE_`echo $f | tr 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'`
511 AC_DEFINE_UNQUOTED($n)
522 # Not a target library, so we set things up to run the test suite.
528 AC_SUBST(target_header_dir)
531 *-*-cygwin* | *-*-mingw*)
532 AC_DEFINE(HAVE_SYS_ERRLIST)
533 AC_DEFINE(HAVE_SYS_NERR)
537 if test -z "${setobjs}"; then
541 # Handle VxWorks configuration specially, since on VxWorks the
542 # libraries are actually on the target board, not in the file
544 AC_LIBOBJ([basename])
545 AC_LIBOBJ([getpagesize])
548 AC_LIBOBJ([strcasecmp])
549 AC_LIBOBJ([strncasecmp])
553 AC_LIBOBJ([vasprintf])
556 basename | getpagesize | insque | random | strcasecmp)
558 strncasecmp | strdup | vfork | waitpid | vasprintf)
561 n=HAVE_`echo $f | tr 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'`
562 AC_DEFINE_UNQUOTED($n)
567 # VxWorks doesn't provide any of the variables in $vars, so we
568 # don't have to check them here.
570 # Of the functions in $checkfuncs, VxWorks only has strerror.
571 AC_DEFINE(HAVE_STRERROR)
579 if test -z "${setobjs}"; then
584 # Under mingw32, sys_nerr and sys_errlist exist, but they are
585 # macros, so the test below won't find them.
586 libiberty_cv_var_sys_nerr=yes
587 libiberty_cv_var_sys_errlist=yes
591 # vfork and fork are stubs.
592 ac_cv_func_vfork_works=no
596 # Under some versions of uwin, vfork is notoriously buggy and the test
597 # can hang configure; on other versions, vfork exists just as a stub.
598 # FIXME: This should be removed once vfork in uwin's runtime is fixed.
599 ac_cv_func_vfork_works=no
600 # Under uwin 2.0+, sys_nerr and sys_errlist exist, but they are
601 # macros (actually, these are imported from a DLL, but the end effect
602 # is the same), so the test below won't find them.
603 libiberty_cv_var_sys_nerr=yes
604 libiberty_cv_var_sys_errlist=yes
608 # Under VMS, vfork works very different than on Unix. The standard test
609 # won't work, and it isn't easily adaptable. It makes more sense to
611 ac_cv_func_vfork_works=yes
616 # We haven't set the list of objects yet. Use the standard autoconf
617 # tests. This will only work if the compiler works.
619 AC_REPLACE_FUNCS($funcs)
620 libiberty_AC_FUNC_C_ALLOCA
622 if test $ac_cv_func_vfork_works = no; then
625 # We only need _doprnt if we might use it to implement v*printf.
626 if test $ac_cv_func_vprintf != yes \
627 || test $ac_cv_func_vfprintf != yes \
628 || test $ac_cv_func_vsprintf != yes; then
629 AC_REPLACE_FUNCS(_doprnt)
631 AC_CHECK_FUNCS(_doprnt)
635 AC_MSG_CHECKING([for $v])
636 AC_CACHE_VAL(libiberty_cv_var_$v,
637 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[int *p;]],[[extern int $v []; p = $v;]])],
638 [eval "libiberty_cv_var_$v=yes"],
639 [eval "libiberty_cv_var_$v=no"])])
640 if eval "test \"`echo '$libiberty_cv_var_'$v`\" = yes"; then
642 n=HAVE_`echo $v | tr 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'`
643 AC_DEFINE_UNQUOTED($n)
649 # special check for _system_configuration because AIX <4.3.2 do not
650 # contain the `physmem' member.
651 AC_MSG_CHECKING([for external symbol _system_configuration])
652 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/systemcfg.h>]],
653 [[double x = _system_configuration.physmem;]])],
654 [AC_MSG_RESULT([yes])
655 AC_DEFINE(HAVE__SYSTEM_CONFIGURATION, 1,
656 [Define if you have the _system_configuration variable.])],
657 [AC_MSG_RESULT([no])])
659 AC_CHECK_FUNCS($checkfuncs)
660 AC_CHECK_DECLS([basename(char *), ffs, asprintf, vasprintf, snprintf, vsnprintf])
661 AC_CHECK_DECLS([calloc, getenv, getopt, malloc, realloc, sbrk])
662 AC_CHECK_DECLS([strverscmp])
663 libiberty_NEED_DECLARATION(canonicalize_file_name)
666 # Figure out which version of pexecute to use.
668 *-*-mingw* | *-*-winnt*) pexecute=pex-win32 ;;
669 *-*-msdosdjgpp*) pexecute=pex-djgpp ;;
670 *-*-msdos*) pexecute=pex-msdos ;;
671 *) pexecute=pex-unix ;;
675 libiberty_AC_FUNC_STRNCMP
677 # Install a library built with a cross compiler in $(tooldir) rather
679 if test -z "${with_cross_host}"; then
684 AC_SUBST(INSTALL_DEST)
686 m4_pattern_allow(LIBOBJS)
688 for l in x $LIBOBJS; do
696 dnl Required by html and install-html
697 AC_SUBST(datarootdir)
701 # We need multilib support, but only if configuring for the target.
702 AC_CONFIG_FILES([Makefile testsuite/Makefile])
703 AC_CONFIG_COMMANDS([default],
704 [[test -z "$CONFIG_HEADERS" || echo timestamp > stamp-h
705 if test -n "$CONFIG_FILES"; then
706 if test -n "${with_target_subdir}"; then
707 # FIXME: We shouldn't need to set ac_file
709 LD="${ORIGINAL_LD_FOR_MULTILIBS}"
710 . ${libiberty_topdir}/config-ml.in
716 with_target_subdir=${with_target_subdir}
717 with_multisubdir=${with_multisubdir}
718 ac_configure_args="--enable-multilib ${ac_configure_args}"
719 CONFIG_SHELL=${CONFIG_SHELL-/bin/sh}
720 ORIGINAL_LD_FOR_MULTILIBS="${ORIGINAL_LD_FOR_MULTILIBS}"
721 libiberty_topdir=${libiberty_topdir}