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
136 ACX_PROG_CC_WARNING_OPTS([-W -Wall -Wwrite-strings -Wc++-compat \
137 -Wstrict-prototypes], [ac_libiberty_warn_cflags])
138 ACX_PROG_CC_WARNING_ALMOST_PEDANTIC([], [ac_libiberty_warn_cflags])
141 # autoconf is lame and doesn't give us any substitution variable for this.
142 if eval "test \"`echo '$ac_cv_prog_cc_'${ac_cc}_c_o`\" = no"; then
143 NO_MINUS_C_MINUS_O=yes
145 OUTPUT_OPTION='-o $@'
147 AC_SUBST(NO_MINUS_C_MINUS_O)
148 AC_SUBST(OUTPUT_OPTION)
154 dnl When we start using libtool:
155 dnl Default to a non shared library. This may be overridden by the
156 dnl configure option --enable-shared.
157 dnl AM_DISABLE_SHARED
159 dnl When we start using libtool:
162 dnl When we start using automake:
163 dnl AM_CONFIG_HEADER(config.h:config.in)
164 AC_CONFIG_HEADER(config.h:config.in)
166 dnl When we start using automake:
167 dnl AM_MAINTAINER_MODE
170 dnl When we start using automake:
174 # Don't build the shared library for build.
175 if [[ -n "${with_build_subdir}" ]]; then
181 rs6000-ibm-aix3.1 | rs6000-ibm-aix)
183 *-*-cxux7*) frag=mh-cxux7 ;;
184 *-*-freebsd2.1.*) frag=mh-fbsd21 ;;
185 *-*-freebsd2.2.[[012]]) frag=mh-fbsd21 ;;
186 i370-*-opened*) frag=mh-openedition ;;
187 i[[34567]]86-*-windows*) frag=mh-windows ;;
190 if [[ -n "${frag}" ]]; then
191 frag=${libiberty_topdir}/libiberty/config/$frag
194 # If they didn't specify --enable-shared, don't generate shared libs.
195 case "${enable_shared}" in
201 if [[ "${shared}" = "yes" ]]; then
204 alpha*-*-linux*) PICFLAG=-fPIC ;;
205 arm*-*-*) PICFLAG=-fPIC ;;
206 hppa*-*-*) PICFLAG=-fPIC ;;
207 i370-*-*) PICFLAG=-fPIC ;;
208 ia64-*-*) PICFLAG=-fpic ;;
209 i[[34567]]86-*-* | x86_64-*-*)
211 m68k-*-*) PICFLAG=-fpic ;;
212 mips*-*-linux) PICFLAG=-fPIC ;;
214 powerpc*-*-*) PICFLAG=-fPIC ;;
215 sparc*-*-*) case "${CFLAGS}" in
216 *-fpic* ) PICFLAG=-fpic ;;
219 s390*-*-*) PICFLAG=-fpic ;;
224 echo "# Warning: this fragment is automatically generated" > temp-frag
226 if [[ -n "${frag}" ]] && [[ -f "${frag}" ]]; then
227 echo "Appending ${frag} to xhost-mkfrag"
228 echo "# Following fragment copied from ${frag}" >> temp-frag
229 cat ${frag} >> temp-frag
232 # record if we want to build shared libs.
233 if [[ "${shared}" = "yes" ]]; then
234 echo enable_shared = yes >> temp-frag
236 echo enable_shared = no >> temp-frag
240 ${CONFIG_SHELL-/bin/sh} ${libiberty_topdir}/move-if-change temp-frag xhost-mkfrag
242 host_makefile_frag=${frag}
243 AC_SUBST_FILE(host_makefile_frag)
245 # It's OK to check for header files. Although the compiler may not be
246 # able to link anything, it had better be able to at least compile
248 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)
252 libiberty_AC_DECLARE_ERRNO
254 # Determine the size of an int for struct fibnode.
255 AC_CHECK_SIZEOF([int])
257 AC_CHECK_TYPE(uintptr_t, unsigned long)
259 # Look for a 64-bit type.
260 AC_MSG_CHECKING([for a 64-bit type])
261 AC_CACHE_VAL(liberty_cv_uint64,
263 [#ifdef HAVE_STDINT_H
266 [extern uint64_t foo;],
267 liberty_cv_uint64=uint64_t,
269 [#ifdef HAVE_LIMITS_H
275 [extern char foo[sizeof(long) * CHAR_BIT >= 64 ? 1 : -1];],
276 liberty_cv_uint64="unsigned long",
278 [#ifdef HAVE_LIMITS_H
284 [extern char foo[sizeof(long long) * CHAR_BIT >= 64 ? 1 : -1];],
285 liberty_cv_uint64="unsigned long long", liberty_cv_uint64=none)])])])
286 AC_MSG_RESULT($liberty_cv_uint64)
287 if test "$liberty_cv_uint64" != none; then
288 AC_DEFINE_UNQUOTED(UNSIGNED_64BIT_TYPE, $liberty_cv_uint64,
289 [Define to an unsigned 64-bit type available in the compiler.])
292 # Given the above check, we always have uintptr_t or a fallback
293 # definition. So define HAVE_UINTPTR_T in case any imported code
295 AC_DEFINE(HAVE_UINTPTR_T, 1, [Define if you have the \`uintptr_t' type.])
299 # This is the list of functions which libiberty will provide if they
300 # are not available on the host.
303 funcs="$funcs atexit"
304 funcs="$funcs basename"
307 funcs="$funcs bsearch"
309 funcs="$funcs calloc"
312 funcs="$funcs getcwd"
313 funcs="$funcs getpagesize"
314 funcs="$funcs gettimeofday"
316 funcs="$funcs insque"
317 funcs="$funcs memchr"
318 funcs="$funcs memcmp"
319 funcs="$funcs memcpy"
320 funcs="$funcs memmem"
321 funcs="$funcs memmove"
322 funcs="$funcs mempcpy"
323 funcs="$funcs memset"
324 funcs="$funcs mkstemps"
325 funcs="$funcs putenv"
326 funcs="$funcs random"
327 funcs="$funcs rename"
328 funcs="$funcs rindex"
329 funcs="$funcs setenv"
330 funcs="$funcs snprintf"
331 funcs="$funcs sigsetmask"
332 funcs="$funcs stpcpy"
333 funcs="$funcs stpncpy"
334 funcs="$funcs strcasecmp"
335 funcs="$funcs strchr"
336 funcs="$funcs strdup"
337 funcs="$funcs strncasecmp"
338 funcs="$funcs strndup"
339 funcs="$funcs strrchr"
340 funcs="$funcs strstr"
341 funcs="$funcs strtod"
342 funcs="$funcs strtol"
343 funcs="$funcs strtoul"
344 funcs="$funcs strverscmp"
345 funcs="$funcs tmpnam"
346 funcs="$funcs vasprintf"
347 funcs="$funcs vfprintf"
348 funcs="$funcs vprintf"
349 funcs="$funcs vsnprintf"
350 funcs="$funcs vsprintf"
351 funcs="$funcs waitpid"
353 # Also in the old function.def file: alloca, vfork, getopt.
355 vars="sys_errlist sys_nerr sys_siglist"
357 checkfuncs="getrusage on_exit psignal strerror strsignal sysconf times sbrk gettimeofday"
358 checkfuncs="$checkfuncs realpath canonicalize_file_name pstat_getstatic pstat_getdynamic sysmp"
359 checkfuncs="$checkfuncs getsysinfo table sysctl wait3 wait4 __fsetlocking"
361 # These are neither executed nor required, but they help keep
362 # autoheader happy without adding a bunch of text to acconfig.h.
363 if test "x" = "y"; then
364 AC_CHECK_FUNCS(asprintf atexit basename bcmp bcopy bsearch bzero calloc clock \
365 getcwd getpagesize gettimeofday index insque mkstemps memchr memcmp memcpy \
366 memmem memmove mempcpy memset putenv random rename rindex sigsetmask \
367 strcasecmp setenv stpcpy stpncpy strchr strdup strncasecmp strndup strrchr strstr \
368 strtod strtol strtoul strverscmp tmpnam vasprintf vfprintf vprintf \
369 vsprintf waitpid getrusage on_exit psignal strerror strsignal \
370 sysconf times sbrk gettimeofday ffs snprintf vsnprintf \
371 pstat_getstatic pstat_getdynamic sysmp getsysinfo table sysctl wait3 wait4 \
372 realpath canonicalize_file_name __fsetlocking)
373 AC_CHECK_DECLS([basename, ffs, asprintf, vasprintf, snprintf, vsnprintf])
374 AC_DEFINE(HAVE_SYS_ERRLIST, 1, [Define if you have the sys_errlist variable.])
375 AC_DEFINE(HAVE_SYS_NERR, 1, [Define if you have the sys_nerr variable.])
376 AC_DEFINE(HAVE_SYS_SIGLIST, 1, [Define if you have the sys_siglist variable.])
379 # For each of these functions, if the host does not provide the
380 # function we want to put FN.o in LIBOBJS, and if the host does
381 # provide the function, we want to define HAVE_FN in config.h.
386 if test -n "${with_target_subdir}"; then
388 # We are being configured as a target library. AC_REPLACE_FUNCS
389 # may not work correctly, because the compiler may not be able to
390 # link executables. Note that we may still be being configured
393 # If we are being configured for newlib, we know which functions
394 # newlib provide and which ones we will be expected to provide.
396 if test "x${with_newlib}" = "xyes"; then
397 AC_LIBOBJ([asprintf])
398 AC_LIBOBJ([basename])
402 AC_LIBOBJ([vasprintf])
406 asprintf | basename | insque | random | strdup | vasprintf)
409 n=HAVE_`echo $f | tr 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'`
410 AC_DEFINE_UNQUOTED($n)
415 # newlib doesnt provide any of the variables in $vars, so we
416 # dont have to check them here.
418 # Of the functions in $checkfuncs, newlib only has strerror.
419 AC_DEFINE(HAVE_STRERROR)
425 # If we are being configured for Mingw, we know which functions
426 # Mingw provides and which ones we will be expected to provide.
430 AC_LIBOBJ([asprintf])
431 AC_LIBOBJ([basename])
437 AC_LIBOBJ([getpagesize])
441 AC_LIBOBJ([mkstemps])
444 AC_LIBOBJ([sigsetmask])
448 AC_LIBOBJ([strverscmp])
449 AC_LIBOBJ([vasprintf])
454 asprintf | basename | bcmp | bcopy | bzero | clock | ffs | getpagesize | index | insque | mempcpy | mkstemps | random | rindex | sigsetmask | stpcpy | stpncpy | strdup | strndup | strverscmp | vasprintf | waitpid)
457 n=HAVE_`echo $f | tr 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'`
458 AC_DEFINE_UNQUOTED($n)
463 # Mingw doesnt provide any of the variables in $vars, so we
464 # dont have to check them here.
466 # Of the functions in $checkfuncs, Mingw only has strerror.
467 AC_DEFINE(HAVE_STRERROR)
474 # We may wish to install the target headers somewhere.
475 AC_ARG_ENABLE(install-libiberty,
476 [ --enable-install-libiberty Install headers for end users],
477 enable_install_libiberty=$enableval,
478 enable_install_libiberty=no)dnl
480 # Option parsed, now set things appropriately.
481 case x"$enable_install_libiberty" in
483 target_header_dir=libiberty
489 # This could be sanity-checked in various ways...
490 target_header_dir="${enable_install_libiberty}"
497 # Not a target library, so we set things up to run the test suite.
503 AC_SUBST(target_header_dir)
506 *-*-cygwin* | *-*-mingw*)
507 AC_DEFINE(HAVE_SYS_ERRLIST)
508 AC_DEFINE(HAVE_SYS_NERR)
512 if test -z "${setobjs}"; then
516 # Handle VxWorks configuration specially, since on VxWorks the
517 # libraries are actually on the target board, not in the file
519 AC_LIBOBJ([basename])
520 AC_LIBOBJ([getpagesize])
523 AC_LIBOBJ([strcasecmp])
524 AC_LIBOBJ([strncasecmp])
528 AC_LIBOBJ([vasprintf])
531 basename | getpagesize | insque | random | strcasecmp)
533 strncasecmp | strdup | vfork | waitpid | vasprintf)
536 n=HAVE_`echo $f | tr 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'`
537 AC_DEFINE_UNQUOTED($n)
542 # VxWorks doesn't provide any of the variables in $vars, so we
543 # don't have to check them here.
545 # Of the functions in $checkfuncs, VxWorks only has strerror.
546 AC_DEFINE(HAVE_STRERROR)
552 for f in atexit basename bcmp bcopy bsearch bzero calloc clock ffs \
553 getcwd getpagesize getrusage gettimeofday \
554 index insque memchr memcmp memcpy memmove memset psignal \
555 putenv random rename rindex sbrk setenv stpcpy strcasecmp \
556 strchr strdup strerror strncasecmp strrchr strstr strtod \
557 strtol strtoul sysconf times tmpnam vfprintf vprintf \
560 n=HAVE_`echo $f | tr 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'`
561 AC_DEFINE_UNQUOTED($n)
571 if test -z "${setobjs}"; then
576 # Under mingw32, sys_nerr and sys_errlist exist, but they are
577 # macros, so the test below won't find them.
578 libiberty_cv_var_sys_nerr=yes
579 libiberty_cv_var_sys_errlist=yes
583 # vfork and fork are stubs.
584 ac_cv_func_vfork_works=no
588 # Under some versions of uwin, vfork is notoriously buggy and the test
589 # can hang configure; on other versions, vfork exists just as a stub.
590 # FIXME: This should be removed once vfork in uwin's runtime is fixed.
591 ac_cv_func_vfork_works=no
592 # Under uwin 2.0+, sys_nerr and sys_errlist exist, but they are
593 # macros (actually, these are imported from a DLL, but the end effect
594 # is the same), so the test below won't find them.
595 libiberty_cv_var_sys_nerr=yes
596 libiberty_cv_var_sys_errlist=yes
600 # Under VMS, vfork works very different than on Unix. The standard test
601 # won't work, and it isn't easily adaptable. It makes more sense to
603 ac_cv_func_vfork_works=yes
608 # We haven't set the list of objects yet. Use the standard autoconf
609 # tests. This will only work if the compiler works.
611 AC_REPLACE_FUNCS($funcs)
612 libiberty_AC_FUNC_C_ALLOCA
614 if test $ac_cv_func_vfork_works = no; then
617 # We only need _doprnt if we might use it to implement v*printf.
618 if test $ac_cv_func_vprintf != yes \
619 || test $ac_cv_func_vfprintf != yes \
620 || test $ac_cv_func_vsprintf != yes; then
621 AC_REPLACE_FUNCS(_doprnt)
623 AC_CHECK_FUNCS(_doprnt)
627 AC_MSG_CHECKING([for $v])
628 AC_CACHE_VAL(libiberty_cv_var_$v,
629 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[int *p;]],[[extern int $v []; p = $v;]])],
630 [eval "libiberty_cv_var_$v=yes"],
631 [eval "libiberty_cv_var_$v=no"])])
632 if eval "test \"`echo '$libiberty_cv_var_'$v`\" = yes"; then
634 n=HAVE_`echo $v | tr 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'`
635 AC_DEFINE_UNQUOTED($n)
641 # special check for _system_configuration because AIX <4.3.2 do not
642 # contain the `physmem' member.
643 AC_MSG_CHECKING([for external symbol _system_configuration])
644 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/systemcfg.h>]],
645 [[double x = _system_configuration.physmem;]])],
646 [AC_MSG_RESULT([yes])
647 AC_DEFINE(HAVE__SYSTEM_CONFIGURATION, 1,
648 [Define if you have the _system_configuration variable.])],
649 [AC_MSG_RESULT([no])])
651 AC_CHECK_FUNCS($checkfuncs)
652 AC_CHECK_DECLS([basename, ffs, asprintf, vasprintf, snprintf, vsnprintf])
653 AC_CHECK_DECLS([calloc, getenv, getopt, malloc, realloc, sbrk])
654 AC_CHECK_DECLS([strverscmp])
655 libiberty_NEED_DECLARATION(canonicalize_file_name)
658 # Figure out which version of pexecute to use.
660 *-*-mingw* | *-*-winnt*) pexecute=./pex-win32.o ;;
661 *-*-msdosdjgpp*) pexecute=./pex-djgpp.o ;;
662 *-*-msdos*) pexecute=./pex-msdos.o ;;
663 *) pexecute=./pex-unix.o ;;
667 libiberty_AC_FUNC_STRNCMP
669 # Install a library built with a cross compiler in $(tooldir) rather
671 if test -z "${with_cross_host}"; then
676 AC_SUBST(INSTALL_DEST)
678 m4_pattern_allow(LIBOBJS)
680 for l in x $LIBOBJS; do
688 dnl Required by html and install-html
689 AC_SUBST(datarootdir)
693 # We need multilib support, but only if configuring for the target.
694 AC_CONFIG_FILES([Makefile testsuite/Makefile])
695 AC_CONFIG_COMMANDS([default],
696 [[test -z "$CONFIG_HEADERS" || echo timestamp > stamp-h
697 if test -n "$CONFIG_FILES"; then
698 if test -n "${with_target_subdir}"; then
699 # FIXME: We shouldn't need to set ac_file
701 LD="${ORIGINAL_LD_FOR_MULTILIBS}"
702 . ${libiberty_topdir}/config-ml.in
708 with_target_subdir=${with_target_subdir}
709 with_multisubdir=${with_multisubdir}
710 ac_configure_args="--enable-multilib ${ac_configure_args}"
711 CONFIG_SHELL=${CONFIG_SHELL-/bin/sh}
712 ORIGINAL_LD_FOR_MULTILIBS="${ORIGINAL_LD_FOR_MULTILIBS}"
713 libiberty_topdir=${libiberty_topdir}