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3affd5f0 1dnl Process this file with autoconf to produce a configure script
6599da04 2
df58e648 3AC_PREREQ(2.64)
a4f74b58
KC
4AC_INIT
5AC_CONFIG_SRCDIR([xmalloc.c])
6599da04 6
6706f116
AO
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...
11ORIGINAL_LD_FOR_MULTILIBS=$LD
12
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13dnl We use these options to decide which functions to include.
14AC_ARG_WITH(target-subdir,
cd862df8
L
15[ --with-target-subdir=SUBDIR Configuring in a subdirectory for target])
16AC_ARG_WITH(build-subdir,
17[ --with-build-subdir=SUBDIR Configuring in a subdirectory for build])
ca6b370d
JL
18AC_ARG_WITH(cross-host,
19[ --with-cross-host=HOST Configuring with a cross compiler])
3affd5f0
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20AC_ARG_WITH(newlib,
21[ --with-newlib Configuring with newlib])
6599da04 22
3affd5f0 23if test "${srcdir}" = "."; then
cd862df8
L
24 if test -n "${with_build_subdir}"; then
25 libiberty_topdir="${srcdir}/../.."
26 with_target_subdir=
27 elif test -z "${with_target_subdir}"; then
3affd5f0
JL
28 libiberty_topdir="${srcdir}/.."
29 else
30 if test "${with_target_subdir}" != "."; then
31 libiberty_topdir="${srcdir}/${with_multisrctop}../.."
32 else
33 libiberty_topdir="${srcdir}/${with_multisrctop}.."
34 fi
35 fi
36else
37 libiberty_topdir="${srcdir}/.."
38fi
d8c22ce7 39AC_SUBST(libiberty_topdir)
3affd5f0
JL
40AC_CONFIG_AUX_DIR($libiberty_topdir)
41
aaa5f039
DD
42dnl Very limited version of automake's enable-maintainer-mode
43
44AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
45 dnl maintainer-mode is disabled by default
46 AC_ARG_ENABLE(maintainer-mode,
47[ --enable-maintainer-mode
48 enable make rules and dependencies not useful
49 (and sometimes confusing) to the casual installer],
50 maintainer_mode=$enableval,
51 maintainer_mode=no)
52
53AC_MSG_RESULT($maintainer_mode)
54
55if test "$maintainer_mode" = "yes"; then
56 MAINT=''
57 NOTMAINT='#'
58else
59 MAINT='#'
60 NOTMAINT=''
61fi
62AC_SUBST(MAINT)dnl
63AC_SUBST(NOTMAINT)dnl
64
ae9092da
DD
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.
67AC_CHECK_PROG(MAKEINFO, makeinfo, makeinfo, )
f749bd83
AM
68if test "x$MAKEINFO" = "x"; then
69 MAKEINFO="@echo makeinfo missing; true"
ae9092da 70 BUILD_INFO=
f749bd83
AM
71else
72 BUILD_INFO=info
c0590bfd
L
73 case "$MAKEINFO" in
74 */missing\ makeinfo*)
f749bd83
AM
75 BUILD_INFO=
76 AC_MSG_WARN([
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77*** Makeinfo is missing. Info documentation will not be built.])
78 ;;
79 *)
80 case x"`$MAKEINFO --version | grep 'GNU texinfo'`" in
81 x*\ [[1-3]].* )
82 MAKEINFO="@echo $MAKEINFO is too old, 4.0 or newer required; true"
83 BUILD_INFO=
84 AC_MSG_WARN([
ae9092da 85*** Makeinfo is too old. Info documentation will not be built.])
c0590bfd
L
86 ;;
87 esac
f749bd83
AM
88 ;;
89 esac
90fi
ae9092da 91AC_SUBST(MAKEINFO)
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92AC_SUBST(BUILD_INFO)
93
94AC_CHECK_PROG(PERL, perl, perl, )
95if test x"$PERL" = x""; then
96 HAVE_PERL='#'
97else
98 HAVE_PERL=''
99fi
100AC_SUBST(HAVE_PERL)
101
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102AC_CANONICAL_HOST
103
104dnl When we start using automake:
105dnl AM_INIT_AUTOMAKE(libiberty, 1.0)
106
107dnl These must be called before AM_PROG_LIBTOOL, because it may want
108dnl to call AC_CHECK_PROG.
109AC_CHECK_TOOL(AR, ar)
110AC_CHECK_TOOL(RANLIB, ranlib, :)
111
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112dnl When switching to automake, replace the following with AM_ENABLE_MULTILIB.
113# Add --enable-multilib to configure.
114# Default to --enable-multilib
115AC_ARG_ENABLE(multilib,
116[ --enable-multilib build many library versions (default)],
117[case "$enableval" in
118 yes) multilib=yes ;;
119 no) multilib=no ;;
120 *) AC_MSG_ERROR([bad value $enableval for multilib option]) ;;
121 esac],
122 [multilib=yes])
123
124# Even if the default multilib is not a cross compilation,
125# it may be that some of the other multilibs are.
126if test $cross_compiling = no && test $multilib = yes \
127 && test "x${with_multisubdir}" != x ; then
128 cross_compiling=maybe
129fi
130
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131GCC_NO_EXECUTABLES
132AC_PROG_CC
d208e2d2 133AC_SYS_LARGEFILE
b033df90 134AC_PROG_CPP_WERROR
238235ef 135
aa2480c5 136ACX_PROG_CC_WARNING_OPTS([-W -Wall -Wwrite-strings -Wc++-compat \
3bbd5a19 137 -Wstrict-prototypes], [ac_libiberty_warn_cflags])
aa2480c5 138ACX_PROG_CC_WARNING_ALMOST_PEDANTIC([], [ac_libiberty_warn_cflags])
3affd5f0 139
24f2cabb
L
140AC_PROG_CC_C_O
141# autoconf is lame and doesn't give us any substitution variable for this.
142if eval "test \"`echo '$ac_cv_prog_cc_'${ac_cc}_c_o`\" = no"; then
143 NO_MINUS_C_MINUS_O=yes
144else
145 OUTPUT_OPTION='-o $@'
146fi
147AC_SUBST(NO_MINUS_C_MINUS_O)
148AC_SUBST(OUTPUT_OPTION)
149
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150AC_C_CONST
151AC_C_INLINE
fbc1bc09 152AC_C_BIGENDIAN
3affd5f0 153
24f2cabb 154dnl When we start using libtool:
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JL
155dnl Default to a non shared library. This may be overridden by the
156dnl configure option --enable-shared.
24f2cabb 157dnl AM_DISABLE_SHARED
3affd5f0 158
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159dnl When we start using libtool:
160dnl AM_PROG_LIBTOOL
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161
162dnl When we start using automake:
163dnl AM_CONFIG_HEADER(config.h:config.in)
164AC_CONFIG_HEADER(config.h:config.in)
165
166dnl When we start using automake:
167dnl AM_MAINTAINER_MODE
dd8f3ed5 168dnl AC_EXEEXT
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169
170dnl When we start using automake:
171dnl AM_PROG_INSTALL
172AC_PROG_INSTALL
6599da04 173
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174# Don't build the shared library for build.
175if [[ -n "${with_build_subdir}" ]]; then
176 enable_shared=no
177fi
178
179frag=
180case "${host}" in
181 rs6000-ibm-aix3.1 | rs6000-ibm-aix)
182 frag=mh-aix ;;
183 *-*-cxux7*) frag=mh-cxux7 ;;
184 *-*-freebsd2.1.*) frag=mh-fbsd21 ;;
185 *-*-freebsd2.2.[[012]]) frag=mh-fbsd21 ;;
186 i370-*-opened*) frag=mh-openedition ;;
187 i[[34567]]86-*-windows*) frag=mh-windows ;;
188esac
189
190if [[ -n "${frag}" ]]; then
c91c9c2e 191 frag=${libiberty_topdir}/libiberty/config/$frag
769b009e
KC
192fi
193
e3aa9eba
RO
194GCC_PICFLAG
195
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196# If they didn't specify --enable-shared, don't generate shared libs.
197case "${enable_shared}" in
198 yes) shared=yes ;;
199 no) shared=no ;;
200 "") shared=no ;;
201 *) shared=yes ;;
202esac
e3aa9eba
RO
203if [[ "${shared}" != "yes" ]]; then
204 PICFLAG=
769b009e 205fi
c91c9c2e 206AC_SUBST(PICFLAG)
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207
208echo "# Warning: this fragment is automatically generated" > temp-frag
209
c91c9c2e
PB
210if [[ -n "${frag}" ]] && [[ -f "${frag}" ]]; then
211 echo "Appending ${frag} to xhost-mkfrag"
212 echo "# Following fragment copied from ${frag}" >> temp-frag
213 cat ${frag} >> temp-frag
214fi
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215
216# record if we want to build shared libs.
217if [[ "${shared}" = "yes" ]]; then
218 echo enable_shared = yes >> temp-frag
219else
220 echo enable_shared = no >> temp-frag
221fi
222
223frag=xhost-mkfrag
224${CONFIG_SHELL-/bin/sh} ${libiberty_topdir}/move-if-change temp-frag xhost-mkfrag
225
6599da04 226host_makefile_frag=${frag}
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227AC_SUBST_FILE(host_makefile_frag)
228
229# It's OK to check for header files. Although the compiler may not be
230# able to link anything, it had better be able to at least compile
231# something.
52ae149d 232AC_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)
a6458d1d 233AC_HEADER_SYS_WAIT
c6451ce1 234AC_HEADER_TIME
6599da04 235
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MS
236libiberty_AC_DECLARE_ERRNO
237
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BE
238# Determine the size of an int for struct fibnode.
239AC_CHECK_SIZEOF([int])
240
9bf3c9cc
RH
241# Look for a 64-bit type.
242AC_MSG_CHECKING([for a 64-bit type])
243AC_CACHE_VAL(liberty_cv_uint64,
244[AC_TRY_COMPILE(
245[#ifdef HAVE_STDINT_H
246#include <stdint.h>
247#endif],
248[extern uint64_t foo;],
249liberty_cv_uint64=uint64_t,
250[AC_TRY_COMPILE(
251[#ifdef HAVE_LIMITS_H
252#include <limits.h>
253#endif
254#ifndef CHAR_BIT
255#define CHAR_BIT 8
256#endif],
257[extern char foo[sizeof(long) * CHAR_BIT >= 64 ? 1 : -1];],
258liberty_cv_uint64="unsigned long",
259[AC_TRY_COMPILE(
260[#ifdef HAVE_LIMITS_H
261#include <limits.h>
262#endif
263#ifndef CHAR_BIT
264#define CHAR_BIT 8
265#endif],
266[extern char foo[sizeof(long long) * CHAR_BIT >= 64 ? 1 : -1];],
267liberty_cv_uint64="unsigned long long", liberty_cv_uint64=none)])])])
268AC_MSG_RESULT($liberty_cv_uint64)
269if test "$liberty_cv_uint64" != none; then
6489430a
MR
270 AC_DEFINE_UNQUOTED(UNSIGNED_64BIT_TYPE, $liberty_cv_uint64,
271 [Define to an unsigned 64-bit type available in the compiler.])
9bf3c9cc
RH
272fi
273
0e497905
OS
274AC_TYPE_INTPTR_T
275AC_TYPE_UINTPTR_T
1cfabf34 276AC_TYPE_SSIZE_T
0e497905 277
39e8d049
KG
278# Given the above check, we always have uintptr_t or a fallback
279# definition. So define HAVE_UINTPTR_T in case any imported code
280# relies on it.
281AC_DEFINE(HAVE_UINTPTR_T, 1, [Define if you have the \`uintptr_t' type.])
d3982b71 282
deae2ed9
MM
283AC_TYPE_PID_T
284
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JL
285# This is the list of functions which libiberty will provide if they
286# are not available on the host.
287
288funcs="asprintf"
289funcs="$funcs atexit"
290funcs="$funcs basename"
291funcs="$funcs bcmp"
292funcs="$funcs bcopy"
dac45916 293funcs="$funcs bsearch"
3affd5f0 294funcs="$funcs bzero"
a9acf741 295funcs="$funcs calloc"
3affd5f0 296funcs="$funcs clock"
29650b2b 297funcs="$funcs ffs"
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298funcs="$funcs getcwd"
299funcs="$funcs getpagesize"
17049f0b 300funcs="$funcs gettimeofday"
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301funcs="$funcs index"
302funcs="$funcs insque"
303funcs="$funcs memchr"
304funcs="$funcs memcmp"
305funcs="$funcs memcpy"
5fbd9447 306funcs="$funcs memmem"
3affd5f0 307funcs="$funcs memmove"
029bcc09 308funcs="$funcs mempcpy"
3affd5f0 309funcs="$funcs memset"
687361c8 310funcs="$funcs mkstemps"
9eb4080f 311funcs="$funcs putenv"
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312funcs="$funcs random"
313funcs="$funcs rename"
314funcs="$funcs rindex"
9eb4080f 315funcs="$funcs setenv"
bd3fbc6b 316funcs="$funcs snprintf"
3affd5f0 317funcs="$funcs sigsetmask"
029bcc09
KG
318funcs="$funcs stpcpy"
319funcs="$funcs stpncpy"
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320funcs="$funcs strcasecmp"
321funcs="$funcs strchr"
322funcs="$funcs strdup"
323funcs="$funcs strncasecmp"
17998b22 324funcs="$funcs strndup"
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325funcs="$funcs strrchr"
326funcs="$funcs strstr"
327funcs="$funcs strtod"
328funcs="$funcs strtol"
329funcs="$funcs strtoul"
83fbfe42 330funcs="$funcs strverscmp"
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331funcs="$funcs tmpnam"
332funcs="$funcs vasprintf"
333funcs="$funcs vfprintf"
334funcs="$funcs vprintf"
bd3fbc6b 335funcs="$funcs vsnprintf"
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336funcs="$funcs vsprintf"
337funcs="$funcs waitpid"
6e9bd0f8 338funcs="$funcs setproctitle"
3affd5f0
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339
340# Also in the old function.def file: alloca, vfork, getopt.
341
aa9dc53d 342vars="sys_errlist sys_nerr sys_siglist"
3affd5f0 343
d423df48
JJ
344checkfuncs="__fsetlocking canonicalize_file_name dup3 getrlimit getrusage \
345 getsysinfo gettimeofday on_exit psignal pstat_getdynamic pstat_getstatic \
346 realpath setrlimit sbrk spawnve spawnvpe strerror strsignal sysconf sysctl \
347 sysmp table times wait3 wait4"
3affd5f0
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348
349# These are neither executed nor required, but they help keep
350# autoheader happy without adding a bunch of text to acconfig.h.
351if test "x" = "y"; then
59a8dc25
BE
352 AC_CHECK_FUNCS(asprintf atexit \
353 basename bcmp bcopy bsearch bzero \
354 calloc canonicalize_file_name clock \
3b63ca7e 355 dup3 \
59a8dc25 356 ffs __fsetlocking \
d423df48 357 getcwd getpagesize getrlimit getrusage getsysinfo gettimeofday \
59a8dc25
BE
358 index insque \
359 memchr memcmp memcpy memmem memmove memset mkstemps \
360 on_exit \
361 psignal pstat_getdynamic pstat_getstatic putenv \
362 random realpath rename rindex \
d423df48 363 sbrk setenv setproctitle setrlimit sigsetmask snprintf spawnve spawnvpe \
3b63ca7e 364 stpcpy stpncpy strcasecmp strchr strdup \
59a8dc25
BE
365 strerror strncasecmp strndup strrchr strsignal strstr strtod strtol \
366 strtoul strverscmp sysconf sysctl sysmp \
367 table times tmpnam \
368 vasprintf vfprintf vprintf vsprintf \
369 wait3 wait4 waitpid)
c3f247f4 370 AC_CHECK_DECLS([basename(char *), ffs, asprintf, vasprintf, snprintf, vsnprintf])
d1209685
ZW
371 AC_DEFINE(HAVE_SYS_ERRLIST, 1, [Define if you have the sys_errlist variable.])
372 AC_DEFINE(HAVE_SYS_NERR, 1, [Define if you have the sys_nerr variable.])
373 AC_DEFINE(HAVE_SYS_SIGLIST, 1, [Define if you have the sys_siglist variable.])
6599da04
JM
374fi
375
3affd5f0
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376# For each of these functions, if the host does not provide the
377# function we want to put FN.o in LIBOBJS, and if the host does
b548dffb 378# provide the function, we want to define HAVE_FN in config.h.
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379
380setobjs=
7c72138a 381CHECK=
48d7db63 382target_header_dir=
3affd5f0
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383if test -n "${with_target_subdir}"; then
384
ca6b370d 385 # We are being configured as a target library. AC_REPLACE_FUNCS
3affd5f0 386 # may not work correctly, because the compiler may not be able to
ca6b370d
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387 # link executables. Note that we may still be being configured
388 # native.
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389
390 # If we are being configured for newlib, we know which functions
391 # newlib provide and which ones we will be expected to provide.
392
393 if test "x${with_newlib}" = "xyes"; then
238235ef
DJ
394 AC_LIBOBJ([asprintf])
395 AC_LIBOBJ([basename])
396 AC_LIBOBJ([insque])
397 AC_LIBOBJ([random])
398 AC_LIBOBJ([strdup])
399 AC_LIBOBJ([vasprintf])
3affd5f0
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400
401 for f in $funcs; do
402 case "$f" in
ca6b370d 403 asprintf | basename | insque | random | strdup | vasprintf)
3affd5f0
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404 ;;
405 *)
406 n=HAVE_`echo $f | tr 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'`
407 AC_DEFINE_UNQUOTED($n)
408 ;;
409 esac
410 done
411
412 # newlib doesnt provide any of the variables in $vars, so we
413 # dont have to check them here.
414
ca6b370d 415 # Of the functions in $checkfuncs, newlib only has strerror.
c1300f45 416 AC_DEFINE(HAVE_STRERROR)
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417
418 setobjs=yes
419
420 fi
7c72138a 421
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CV
422 # If we are being configured for Mingw, we know which functions
423 # Mingw provides and which ones we will be expected to provide.
424
425 case "${host}" in
426 *-*-mingw*)
427 AC_LIBOBJ([asprintf])
428 AC_LIBOBJ([basename])
429 AC_LIBOBJ([bcmp])
430 AC_LIBOBJ([bcopy])
431 AC_LIBOBJ([bzero])
432 AC_LIBOBJ([clock])
433 AC_LIBOBJ([ffs])
434 AC_LIBOBJ([getpagesize])
435 AC_LIBOBJ([index])
436 AC_LIBOBJ([insque])
437 AC_LIBOBJ([mempcpy])
438 AC_LIBOBJ([mkstemps])
439 AC_LIBOBJ([random])
440 AC_LIBOBJ([rindex])
441 AC_LIBOBJ([sigsetmask])
442 AC_LIBOBJ([stpcpy])
443 AC_LIBOBJ([stpncpy])
444 AC_LIBOBJ([strndup])
445 AC_LIBOBJ([strverscmp])
446 AC_LIBOBJ([vasprintf])
447 AC_LIBOBJ([waitpid])
448
449 for f in $funcs; do
450 case "$f" in
451 asprintf | basename | bcmp | bcopy | bzero | clock | ffs | getpagesize | index | insque | mempcpy | mkstemps | random | rindex | sigsetmask | stpcpy | stpncpy | strdup | strndup | strverscmp | vasprintf | waitpid)
452 ;;
453 *)
454 n=HAVE_`echo $f | tr 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'`
455 AC_DEFINE_UNQUOTED($n)
456 ;;
457 esac
458 done
459
460 # Mingw doesnt provide any of the variables in $vars, so we
461 # dont have to check them here.
462
463 # Of the functions in $checkfuncs, Mingw only has strerror.
464 AC_DEFINE(HAVE_STRERROR)
465
01459fb5
EZ
466 setobjs=yes
467 ;;
468
469 *-*-msdosdjgpp)
470 AC_LIBOBJ([vasprintf])
471 AC_LIBOBJ([vsnprintf])
472 AC_LIBOBJ([snprintf])
473 AC_LIBOBJ([asprintf])
474
475 for f in atexit basename bcmp bcopy bsearch bzero calloc clock ffs \
476 getcwd getpagesize getrusage gettimeofday \
477 index insque memchr memcmp memcpy memmove memset psignal \
478 putenv random rename rindex sbrk setenv stpcpy strcasecmp \
479 strchr strdup strerror strncasecmp strrchr strstr strtod \
480 strtol strtoul sysconf times tmpnam vfprintf vprintf \
481 vsprintf waitpid
482 do
483 n=HAVE_`echo $f | tr 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'`
484 AC_DEFINE_UNQUOTED($n)
485 done
486
487
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CV
488 setobjs=yes
489 ;;
490
491 esac
492
48d7db63
PE
493 # We may wish to install the target headers somewhere.
494 AC_ARG_ENABLE(install-libiberty,
495 [ --enable-install-libiberty Install headers for end users],
496 enable_install_libiberty=$enableval,
497 enable_install_libiberty=no)dnl
498
499 # Option parsed, now set things appropriately.
500 case x"$enable_install_libiberty" in
501 xyes|x)
502 target_header_dir=libiberty
503 ;;
504 xno)
505 target_header_dir=
506 ;;
507 *)
508 # This could be sanity-checked in various ways...
509 target_header_dir="${enable_install_libiberty}"
510 ;;
511 esac
512
513
7c72138a
TT
514else
515
516 # Not a target library, so we set things up to run the test suite.
a584cf65 517 CHECK=really-check
7c72138a 518
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519fi
520
7c72138a 521AC_SUBST(CHECK)
48d7db63 522AC_SUBST(target_header_dir)
7c72138a 523
b1c45ae4 524case "${host}" in
46af757b 525 *-*-cygwin* | *-*-mingw*)
c1300f45
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526 AC_DEFINE(HAVE_SYS_ERRLIST)
527 AC_DEFINE(HAVE_SYS_NERR)
b1c45ae4
CF
528 ;;
529esac
530
3affd5f0
JL
531if test -z "${setobjs}"; then
532 case "${host}" in
533
534 *-*-vxworks*)
535 # Handle VxWorks configuration specially, since on VxWorks the
536 # libraries are actually on the target board, not in the file
537 # system.
238235ef
DJ
538 AC_LIBOBJ([basename])
539 AC_LIBOBJ([getpagesize])
540 AC_LIBOBJ([insque])
541 AC_LIBOBJ([random])
542 AC_LIBOBJ([strcasecmp])
543 AC_LIBOBJ([strncasecmp])
544 AC_LIBOBJ([strdup])
545 AC_LIBOBJ([vfork])
546 AC_LIBOBJ([waitpid])
547 AC_LIBOBJ([vasprintf])
3affd5f0
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548 for f in $funcs; do
549 case "$f" in
550 basename | getpagesize | insque | random | strcasecmp)
551 ;;
552 strncasecmp | strdup | vfork | waitpid | vasprintf)
553 ;;
554 *)
555 n=HAVE_`echo $f | tr 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'`
556 AC_DEFINE_UNQUOTED($n)
557 ;;
558 esac
559 done
560
561 # VxWorks doesn't provide any of the variables in $vars, so we
562 # don't have to check them here.
563
564 # Of the functions in $checkfuncs, VxWorks only has strerror.
c1300f45 565 AC_DEFINE(HAVE_STRERROR)
3affd5f0
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566
567 setobjs=yes
568 ;;
569
570 esac
571fi
572
573if test -z "${setobjs}"; then
574
575 case "${host}" in
576
3affd5f0
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577 *-*-mingw32*)
578 # Under mingw32, sys_nerr and sys_errlist exist, but they are
579 # macros, so the test below won't find them.
d1209685
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580 libiberty_cv_var_sys_nerr=yes
581 libiberty_cv_var_sys_errlist=yes
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582 ;;
583
b3df8be1 584 *-*-msdosdjgpp*)
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585 # vfork and fork are stubs.
586 ac_cv_func_vfork_works=no
587 ;;
588
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589 *-*-uwin*)
590 # Under some versions of uwin, vfork is notoriously buggy and the test
591 # can hang configure; on other versions, vfork exists just as a stub.
592 # FIXME: This should be removed once vfork in uwin's runtime is fixed.
593 ac_cv_func_vfork_works=no
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594 # Under uwin 2.0+, sys_nerr and sys_errlist exist, but they are
595 # macros (actually, these are imported from a DLL, but the end effect
596 # is the same), so the test below won't find them.
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597 libiberty_cv_var_sys_nerr=yes
598 libiberty_cv_var_sys_errlist=yes
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599 ;;
600
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601 *-*-*vms*)
602 # Under VMS, vfork works very different than on Unix. The standard test
603 # won't work, and it isn't easily adaptable. It makes more sense to
604 # just force it.
605 ac_cv_func_vfork_works=yes
606 ;;
607
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608 esac
609
610 # We haven't set the list of objects yet. Use the standard autoconf
611 # tests. This will only work if the compiler works.
238235ef 612 AC_ISC_POSIX
3affd5f0 613 AC_REPLACE_FUNCS($funcs)
b548dffb 614 libiberty_AC_FUNC_C_ALLOCA
a4f74b58 615 AC_FUNC_FORK
3affd5f0 616 if test $ac_cv_func_vfork_works = no; then
238235ef 617 AC_LIBOBJ([vfork])
3affd5f0 618 fi
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619 # We only need _doprnt if we might use it to implement v*printf.
620 if test $ac_cv_func_vprintf != yes \
621 || test $ac_cv_func_vfprintf != yes \
622 || test $ac_cv_func_vsprintf != yes; then
623 AC_REPLACE_FUNCS(_doprnt)
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624 else
625 AC_CHECK_FUNCS(_doprnt)
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626 fi
627
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628 for v in $vars; do
629 AC_MSG_CHECKING([for $v])
630 AC_CACHE_VAL(libiberty_cv_var_$v,
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631 [AC_LINK_IFELSE([AC_LANG_PROGRAM([[int *p;]],[[extern int $v []; p = $v;]])],
632 [eval "libiberty_cv_var_$v=yes"],
633 [eval "libiberty_cv_var_$v=no"])])
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634 if eval "test \"`echo '$libiberty_cv_var_'$v`\" = yes"; then
635 AC_MSG_RESULT(yes)
636 n=HAVE_`echo $v | tr 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'`
637 AC_DEFINE_UNQUOTED($n)
6599da04 638 else
3affd5f0 639 AC_MSG_RESULT(no)
6599da04 640 fi
3affd5f0 641 done
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642
643 # special check for _system_configuration because AIX <4.3.2 do not
644 # contain the `physmem' member.
645 AC_MSG_CHECKING([for external symbol _system_configuration])
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646 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/systemcfg.h>]],
647 [[double x = _system_configuration.physmem;]])],
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648 [AC_MSG_RESULT([yes])
649 AC_DEFINE(HAVE__SYSTEM_CONFIGURATION, 1,
a4f74b58 650 [Define if you have the _system_configuration variable.])],
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651 [AC_MSG_RESULT([no])])
652
3affd5f0 653 AC_CHECK_FUNCS($checkfuncs)
c3f247f4 654 AC_CHECK_DECLS([basename(char *), ffs, asprintf, vasprintf, snprintf, vsnprintf])
8b82b724 655 AC_CHECK_DECLS([calloc, getenv, getopt, malloc, realloc, sbrk])
83fbfe42 656 AC_CHECK_DECLS([strverscmp])
4876b2b4 657 libiberty_NEED_DECLARATION(canonicalize_file_name)
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658fi
659
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660# Figure out which version of pexecute to use.
661case "${host}" in
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662 *-*-mingw* | *-*-winnt*) pexecute=pex-win32 ;;
663 *-*-msdosdjgpp*) pexecute=pex-djgpp ;;
664 *-*-msdos*) pexecute=pex-msdos ;;
665 *) pexecute=pex-unix ;;
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666esac
667AC_SUBST(pexecute)
668
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669libiberty_AC_FUNC_STRNCMP
670
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671# Install a library built with a cross compiler in $(tooldir) rather
672# than $(libdir).
ca6b370d 673if test -z "${with_cross_host}"; then
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674 INSTALL_DEST=libdir
675else
676 INSTALL_DEST=tooldir
6599da04 677fi
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678AC_SUBST(INSTALL_DEST)
679
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680m4_pattern_allow(LIBOBJS)
681L=""
682for l in x $LIBOBJS; do
683 case $l in
684 x) ;;
685 *) L="$L ./$l" ;;
686 esac
687done
688LIBOBJS="$L"
689
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690dnl Required by html and install-html
691AC_SUBST(datarootdir)
692AC_SUBST(docdir)
693AC_SUBST(htmldir)
694
3affd5f0 695# We need multilib support, but only if configuring for the target.
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696AC_CONFIG_FILES([Makefile testsuite/Makefile])
697AC_CONFIG_COMMANDS([default],
698 [[test -z "$CONFIG_HEADERS" || echo timestamp > stamp-h
3affd5f0 699if test -n "$CONFIG_FILES"; then
27cfe310 700 if test -n "${with_target_subdir}"; then
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701 # FIXME: We shouldn't need to set ac_file
702 ac_file=Makefile
6706f116 703 LD="${ORIGINAL_LD_FOR_MULTILIBS}"
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704 . ${libiberty_topdir}/config-ml.in
705 fi
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706fi]],
707[[srcdir=${srcdir}
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708host=${host}
709target=${target}
710with_target_subdir=${with_target_subdir}
711with_multisubdir=${with_multisubdir}
712ac_configure_args="--enable-multilib ${ac_configure_args}"
713CONFIG_SHELL=${CONFIG_SHELL-/bin/sh}
3343fdd2 714ORIGINAL_LD_FOR_MULTILIBS="${ORIGINAL_LD_FOR_MULTILIBS}"
3affd5f0 715libiberty_topdir=${libiberty_topdir}
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716]])
717AC_OUTPUT