Commit | Line | Data |
---|---|---|
1a79b024 DD |
1 | dnl Process this file with autoconf to produce a configure script |
2 | ||
85f969cd DD |
3 | AC_PREREQ(2.59) |
4 | AC_INIT | |
5 | AC_CONFIG_SRCDIR([xmalloc.c]) | |
1a79b024 DD |
6 | |
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=$LD | |
12 | ||
13 | dnl We use these options to decide which functions to include. | |
14 | AC_ARG_WITH(target-subdir, | |
15 | [ --with-target-subdir=SUBDIR Configuring in a subdirectory for target]) | |
16 | AC_ARG_WITH(build-subdir, | |
17 | [ --with-build-subdir=SUBDIR Configuring in a subdirectory for build]) | |
18 | AC_ARG_WITH(cross-host, | |
19 | [ --with-cross-host=HOST Configuring with a cross compiler]) | |
20 | AC_ARG_WITH(newlib, | |
21 | [ --with-newlib Configuring with newlib]) | |
22 | ||
23 | if test "${srcdir}" = "."; then | |
24 | if test -n "${with_build_subdir}"; then | |
25 | libiberty_topdir="${srcdir}/../.." | |
26 | with_target_subdir= | |
27 | elif test -z "${with_target_subdir}"; then | |
28 | libiberty_topdir="${srcdir}/.." | |
29 | else | |
30 | if test "${with_target_subdir}" != "."; then | |
31 | libiberty_topdir="${srcdir}/${with_multisrctop}../.." | |
32 | else | |
33 | libiberty_topdir="${srcdir}/${with_multisrctop}.." | |
34 | fi | |
35 | fi | |
36 | else | |
37 | libiberty_topdir="${srcdir}/.." | |
38 | fi | |
39 | AC_SUBST(libiberty_topdir) | |
40 | AC_CONFIG_AUX_DIR($libiberty_topdir) | |
41 | ||
42 | dnl Very limited version of automake's enable-maintainer-mode | |
43 | ||
44 | AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles]) | |
45 | dnl maintainer-mode is disabled by default | |
46 | AC_ARG_ENABLE(maintainer-mode, | |
47 | [ --enable-maintainer-mode | |
48 | enable make rules and dependencies not useful | |
49 | (and sometimes confusing) to the casual installer], | |
50 | maintainer_mode=$enableval, | |
51 | maintainer_mode=no) | |
52 | ||
53 | AC_MSG_RESULT($maintainer_mode) | |
54 | ||
55 | if test "$maintainer_mode" = "yes"; then | |
56 | MAINT='' | |
57 | NOTMAINT='#' | |
58 | else | |
59 | MAINT='#' | |
60 | NOTMAINT='' | |
61 | fi | |
62 | AC_SUBST(MAINT)dnl | |
63 | AC_SUBST(NOTMAINT)dnl | |
64 | ||
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$MAKEINFO" = "x"; then | |
69 | MAKEINFO="@echo makeinfo missing; true" | |
70 | BUILD_INFO= | |
71 | else | |
72 | BUILD_INFO=info | |
73 | case "$MAKEINFO" in | |
74 | */missing\ makeinfo*) | |
75 | BUILD_INFO= | |
76 | AC_MSG_WARN([ | |
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 $MAKEINFO is too old, 4.0 or newer required; true" | |
83 | BUILD_INFO= | |
84 | AC_MSG_WARN([ | |
85 | *** Makeinfo is too old. Info documentation will not be built.]) | |
86 | ;; | |
87 | esac | |
88 | ;; | |
89 | esac | |
90 | fi | |
91 | AC_SUBST(MAKEINFO) | |
92 | AC_SUBST(BUILD_INFO) | |
93 | ||
94 | AC_CHECK_PROG(PERL, perl, perl, ) | |
95 | if test x"$PERL" = x""; then | |
96 | HAVE_PERL='#' | |
97 | else | |
98 | HAVE_PERL='' | |
99 | fi | |
100 | AC_SUBST(HAVE_PERL) | |
101 | ||
102 | AC_CANONICAL_HOST | |
103 | ||
104 | dnl When we start using automake: | |
105 | dnl AM_INIT_AUTOMAKE(libiberty, 1.0) | |
106 | ||
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, :) | |
111 | ||
112 | GCC_NO_EXECUTABLES | |
113 | AC_PROG_CC | |
114 | AC_PROG_CPP_WERROR | |
115 | ||
116 | if test x$GCC = xyes; then | |
aa55ccb1 | 117 | ac_libiberty_warn_cflags='-W -Wall -pedantic -Wwrite-strings -Wstrict-prototypes' |
1a79b024 DD |
118 | fi |
119 | AC_SUBST(ac_libiberty_warn_cflags) | |
120 | ||
46a10049 DD |
121 | AC_PROG_CC_C_O |
122 | # autoconf is lame and doesn't give us any substitution variable for this. | |
123 | if eval "test \"`echo '$ac_cv_prog_cc_'${ac_cc}_c_o`\" = no"; then | |
124 | NO_MINUS_C_MINUS_O=yes | |
125 | else | |
126 | OUTPUT_OPTION='-o $@' | |
127 | fi | |
128 | AC_SUBST(NO_MINUS_C_MINUS_O) | |
129 | AC_SUBST(OUTPUT_OPTION) | |
130 | ||
1a79b024 DD |
131 | AC_C_CONST |
132 | AC_C_INLINE | |
0093138c | 133 | AC_C_BIGENDIAN |
1a79b024 | 134 | |
46a10049 | 135 | dnl When we start using libtool: |
1a79b024 DD |
136 | dnl Default to a non shared library. This may be overridden by the |
137 | dnl configure option --enable-shared. | |
46a10049 | 138 | dnl AM_DISABLE_SHARED |
1a79b024 | 139 | |
46a10049 DD |
140 | dnl When we start using libtool: |
141 | dnl AM_PROG_LIBTOOL | |
1a79b024 DD |
142 | |
143 | dnl When we start using automake: | |
144 | dnl AM_CONFIG_HEADER(config.h:config.in) | |
145 | AC_CONFIG_HEADER(config.h:config.in) | |
146 | ||
147 | dnl When we start using automake: | |
148 | dnl AM_MAINTAINER_MODE | |
149 | dnl AC_EXEEXT | |
150 | ||
151 | dnl When we start using automake: | |
152 | dnl AM_PROG_INSTALL | |
153 | AC_PROG_INSTALL | |
154 | ||
4cf896a5 KC |
155 | # Don't build the shared library for build. |
156 | if [[ -n "${with_build_subdir}" ]]; then | |
157 | enable_shared=no | |
158 | fi | |
159 | ||
160 | frag= | |
161 | case "${host}" in | |
162 | rs6000-ibm-aix3.1 | rs6000-ibm-aix) | |
163 | frag=mh-aix ;; | |
164 | *-*-cxux7*) frag=mh-cxux7 ;; | |
165 | *-*-freebsd2.1.*) frag=mh-fbsd21 ;; | |
166 | *-*-freebsd2.2.[[012]]) frag=mh-fbsd21 ;; | |
167 | i370-*-opened*) frag=mh-openedition ;; | |
168 | i[[34567]]86-*-windows*) frag=mh-windows ;; | |
169 | esac | |
170 | ||
171 | if [[ -n "${frag}" ]]; then | |
172 | frags=${libiberty_topdir}/libiberty/config/$frag | |
173 | else | |
174 | frags= | |
175 | fi | |
176 | ||
177 | # If they didn't specify --enable-shared, don't generate shared libs. | |
178 | case "${enable_shared}" in | |
179 | yes) shared=yes ;; | |
180 | no) shared=no ;; | |
181 | "") shared=no ;; | |
182 | *) shared=yes ;; | |
183 | esac | |
184 | if [[ "${shared}" = "yes" ]]; then | |
185 | frag= | |
186 | case "${host}" in | |
187 | *-*-cygwin*) ;; | |
188 | alpha*-*-linux*) frag=mh-elfalphapic ;; | |
189 | arm*-*-*) frag=mh-armpic ;; | |
190 | hppa*-*-*) frag=mh-papic ;; | |
191 | i[[34567]]86-*-* | x86_64-*-*) | |
192 | frag=mh-x86pic ;; | |
193 | powerpc*-*-aix*) ;; | |
194 | powerpc*-*-*) frag=mh-ppcpic ;; | |
195 | sparc*-*-*) frag=mh-sparcpic ;; | |
196 | s390*-*-*) frag=mh-s390pic ;; | |
197 | *) frag=mh-${host_cpu}pic ;; | |
198 | esac | |
199 | if [[ -n "${frag}" ]]; then | |
200 | frags="${frags} ${libiberty_topdir}/config/${frag}" | |
201 | fi | |
202 | fi | |
203 | ||
204 | echo "# Warning: this fragment is automatically generated" > temp-frag | |
205 | ||
206 | for frag in ${frags}; do | |
207 | if [[ -f ${frag} ]]; then | |
208 | echo "Appending ${frag} to xhost-mkfrag" | |
209 | echo "# Following fragment copied from ${frag}" >> temp-frag | |
210 | cat ${frag} >> temp-frag | |
211 | fi | |
212 | done | |
213 | ||
214 | # record if we want to build shared libs. | |
215 | if [[ "${shared}" = "yes" ]]; then | |
216 | echo enable_shared = yes >> temp-frag | |
217 | else | |
218 | echo enable_shared = no >> temp-frag | |
219 | fi | |
220 | ||
221 | frag=xhost-mkfrag | |
222 | ${CONFIG_SHELL-/bin/sh} ${libiberty_topdir}/move-if-change temp-frag xhost-mkfrag | |
223 | ||
1a79b024 DD |
224 | host_makefile_frag=${frag} |
225 | AC_SUBST_FILE(host_makefile_frag) | |
226 | ||
227 | # It's OK to check for header files. Although the compiler may not be | |
228 | # able to link anything, it had better be able to at least compile | |
229 | # something. | |
ac119ae8 | 230 | 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) |
1a79b024 DD |
231 | AC_HEADER_SYS_WAIT |
232 | AC_HEADER_TIME | |
233 | ||
234 | libiberty_AC_DECLARE_ERRNO | |
235 | ||
40a59a4c DD |
236 | # Determine the size of an int for struct fibnode. |
237 | AC_CHECK_SIZEOF([int]) | |
238 | ||
1a79b024 | 239 | AC_CHECK_TYPE(uintptr_t, unsigned long) |
bb6a587d DD |
240 | |
241 | # Look for a 64-bit type. | |
242 | AC_MSG_CHECKING([for a 64-bit type]) | |
243 | AC_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;], | |
249 | liberty_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];], | |
258 | liberty_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];], | |
267 | liberty_cv_uint64="unsigned long long", liberty_cv_uint64=none)])])]) | |
268 | AC_MSG_RESULT($liberty_cv_uint64) | |
269 | if test "$liberty_cv_uint64" != none; then | |
7e9f5c71 DD |
270 | AC_DEFINE_UNQUOTED(UNSIGNED_64BIT_TYPE, $liberty_cv_uint64, |
271 | [Define to an unsigned 64-bit type available in the compiler.]) | |
bb6a587d DD |
272 | fi |
273 | ||
1a79b024 DD |
274 | # Given the above check, we always have uintptr_t or a fallback |
275 | # definition. So define HAVE_UINTPTR_T in case any imported code | |
276 | # relies on it. | |
277 | AC_DEFINE(HAVE_UINTPTR_T, 1, [Define if you have the \`uintptr_t' type.]) | |
278 | ||
279 | AC_TYPE_PID_T | |
280 | ||
281 | # This is the list of functions which libiberty will provide if they | |
282 | # are not available on the host. | |
283 | ||
284 | funcs="asprintf" | |
285 | funcs="$funcs atexit" | |
286 | funcs="$funcs basename" | |
287 | funcs="$funcs bcmp" | |
288 | funcs="$funcs bcopy" | |
289 | funcs="$funcs bsearch" | |
290 | funcs="$funcs bzero" | |
291 | funcs="$funcs calloc" | |
292 | funcs="$funcs clock" | |
293 | funcs="$funcs ffs" | |
294 | funcs="$funcs getcwd" | |
295 | funcs="$funcs getpagesize" | |
8ec32723 | 296 | funcs="$funcs gettimeofday" |
1a79b024 DD |
297 | funcs="$funcs index" |
298 | funcs="$funcs insque" | |
299 | funcs="$funcs memchr" | |
300 | funcs="$funcs memcmp" | |
301 | funcs="$funcs memcpy" | |
302 | funcs="$funcs memmove" | |
303 | funcs="$funcs mempcpy" | |
304 | funcs="$funcs memset" | |
305 | funcs="$funcs mkstemps" | |
306 | funcs="$funcs putenv" | |
307 | funcs="$funcs random" | |
308 | funcs="$funcs rename" | |
309 | funcs="$funcs rindex" | |
310 | funcs="$funcs setenv" | |
311 | funcs="$funcs snprintf" | |
312 | funcs="$funcs sigsetmask" | |
313 | funcs="$funcs stpcpy" | |
314 | funcs="$funcs stpncpy" | |
315 | funcs="$funcs strcasecmp" | |
316 | funcs="$funcs strchr" | |
317 | funcs="$funcs strdup" | |
318 | funcs="$funcs strncasecmp" | |
0fad4bdb | 319 | funcs="$funcs strndup" |
1a79b024 DD |
320 | funcs="$funcs strrchr" |
321 | funcs="$funcs strstr" | |
322 | funcs="$funcs strtod" | |
323 | funcs="$funcs strtol" | |
324 | funcs="$funcs strtoul" | |
67f3cb05 | 325 | funcs="$funcs strverscmp" |
1a79b024 DD |
326 | funcs="$funcs tmpnam" |
327 | funcs="$funcs vasprintf" | |
328 | funcs="$funcs vfprintf" | |
329 | funcs="$funcs vprintf" | |
330 | funcs="$funcs vsnprintf" | |
331 | funcs="$funcs vsprintf" | |
332 | funcs="$funcs waitpid" | |
333 | ||
334 | # Also in the old function.def file: alloca, vfork, getopt. | |
335 | ||
336 | vars="sys_errlist sys_nerr sys_siglist" | |
337 | ||
338 | checkfuncs="getrusage on_exit psignal strerror strsignal sysconf times sbrk gettimeofday" | |
339 | checkfuncs="$checkfuncs realpath canonicalize_file_name pstat_getstatic pstat_getdynamic sysmp" | |
ac119ae8 | 340 | checkfuncs="$checkfuncs getsysinfo table sysctl wait3 wait4 __fsetlocking" |
1a79b024 DD |
341 | |
342 | # These are neither executed nor required, but they help keep | |
343 | # autoheader happy without adding a bunch of text to acconfig.h. | |
344 | if test "x" = "y"; then | |
345 | AC_CHECK_FUNCS(asprintf atexit basename bcmp bcopy bsearch bzero calloc clock \ | |
8ec32723 | 346 | getcwd getpagesize gettimeofday index insque mkstemps memchr memcmp memcpy \ |
1a79b024 | 347 | memmove mempcpy memset putenv random rename rindex sigsetmask \ |
0fad4bdb | 348 | strcasecmp setenv stpcpy stpncpy strchr strdup strncasecmp strndup strrchr strstr \ |
67f3cb05 | 349 | strtod strtol strtoul strverscmp tmpnam vasprintf vfprintf vprintf \ |
1a79b024 DD |
350 | vsprintf waitpid getrusage on_exit psignal strerror strsignal \ |
351 | sysconf times sbrk gettimeofday ffs snprintf vsnprintf \ | |
b109e79a | 352 | pstat_getstatic pstat_getdynamic sysmp getsysinfo table sysctl wait3 wait4 \ |
ac119ae8 | 353 | realpath canonicalize_file_name __fsetlocking) |
01e94249 | 354 | AC_CHECK_DECLS([basename, ffs, asprintf, vasprintf, snprintf, vsnprintf]) |
1a79b024 DD |
355 | AC_DEFINE(HAVE_SYS_ERRLIST, 1, [Define if you have the sys_errlist variable.]) |
356 | AC_DEFINE(HAVE_SYS_NERR, 1, [Define if you have the sys_nerr variable.]) | |
357 | AC_DEFINE(HAVE_SYS_SIGLIST, 1, [Define if you have the sys_siglist variable.]) | |
358 | fi | |
359 | ||
360 | # For each of these functions, if the host does not provide the | |
361 | # function we want to put FN.o in LIBOBJS, and if the host does | |
362 | # provide the function, we want to define HAVE_FN in config.h. | |
363 | ||
364 | setobjs= | |
365 | CHECK= | |
366 | target_header_dir= | |
367 | if test -n "${with_target_subdir}"; then | |
368 | ||
369 | # We are being configured as a target library. AC_REPLACE_FUNCS | |
370 | # may not work correctly, because the compiler may not be able to | |
371 | # link executables. Note that we may still be being configured | |
372 | # native. | |
373 | ||
374 | # If we are being configured for newlib, we know which functions | |
375 | # newlib provide and which ones we will be expected to provide. | |
376 | ||
377 | if test "x${with_newlib}" = "xyes"; then | |
378 | AC_LIBOBJ([asprintf]) | |
379 | AC_LIBOBJ([basename]) | |
380 | AC_LIBOBJ([insque]) | |
381 | AC_LIBOBJ([random]) | |
382 | AC_LIBOBJ([strdup]) | |
383 | AC_LIBOBJ([vasprintf]) | |
384 | ||
385 | for f in $funcs; do | |
386 | case "$f" in | |
387 | asprintf | basename | insque | random | strdup | vasprintf) | |
388 | ;; | |
389 | *) | |
390 | n=HAVE_`echo $f | tr 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'` | |
391 | AC_DEFINE_UNQUOTED($n) | |
392 | ;; | |
393 | esac | |
394 | done | |
395 | ||
396 | # newlib doesnt provide any of the variables in $vars, so we | |
397 | # dont have to check them here. | |
398 | ||
399 | # Of the functions in $checkfuncs, newlib only has strerror. | |
0093138c | 400 | AC_DEFINE(HAVE_STRERROR) |
1a79b024 DD |
401 | |
402 | setobjs=yes | |
403 | ||
404 | fi | |
405 | ||
406 | # We may wish to install the target headers somewhere. | |
407 | AC_ARG_ENABLE(install-libiberty, | |
408 | [ --enable-install-libiberty Install headers for end users], | |
409 | enable_install_libiberty=$enableval, | |
410 | enable_install_libiberty=no)dnl | |
411 | ||
412 | # Option parsed, now set things appropriately. | |
413 | case x"$enable_install_libiberty" in | |
414 | xyes|x) | |
415 | target_header_dir=libiberty | |
416 | ;; | |
417 | xno) | |
418 | target_header_dir= | |
419 | ;; | |
420 | *) | |
421 | # This could be sanity-checked in various ways... | |
422 | target_header_dir="${enable_install_libiberty}" | |
423 | ;; | |
424 | esac | |
425 | ||
426 | ||
427 | else | |
428 | ||
429 | # Not a target library, so we set things up to run the test suite. | |
b109e79a | 430 | CHECK=really-check |
1a79b024 DD |
431 | |
432 | fi | |
433 | ||
434 | AC_SUBST(CHECK) | |
435 | AC_SUBST(target_header_dir) | |
436 | ||
437 | case "${host}" in | |
438 | *-*-cygwin* | *-*-mingw*) | |
0093138c DD |
439 | AC_DEFINE(HAVE_SYS_ERRLIST) |
440 | AC_DEFINE(HAVE_SYS_NERR) | |
1a79b024 DD |
441 | ;; |
442 | esac | |
443 | ||
444 | if test -z "${setobjs}"; then | |
445 | case "${host}" in | |
446 | ||
447 | *-*-vxworks*) | |
448 | # Handle VxWorks configuration specially, since on VxWorks the | |
449 | # libraries are actually on the target board, not in the file | |
450 | # system. | |
451 | AC_LIBOBJ([basename]) | |
452 | AC_LIBOBJ([getpagesize]) | |
453 | AC_LIBOBJ([insque]) | |
454 | AC_LIBOBJ([random]) | |
455 | AC_LIBOBJ([strcasecmp]) | |
456 | AC_LIBOBJ([strncasecmp]) | |
457 | AC_LIBOBJ([strdup]) | |
458 | AC_LIBOBJ([vfork]) | |
459 | AC_LIBOBJ([waitpid]) | |
460 | AC_LIBOBJ([vasprintf]) | |
461 | for f in $funcs; do | |
462 | case "$f" in | |
463 | basename | getpagesize | insque | random | strcasecmp) | |
464 | ;; | |
465 | strncasecmp | strdup | vfork | waitpid | vasprintf) | |
466 | ;; | |
467 | *) | |
468 | n=HAVE_`echo $f | tr 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'` | |
469 | AC_DEFINE_UNQUOTED($n) | |
470 | ;; | |
471 | esac | |
472 | done | |
473 | ||
474 | # VxWorks doesn't provide any of the variables in $vars, so we | |
475 | # don't have to check them here. | |
476 | ||
477 | # Of the functions in $checkfuncs, VxWorks only has strerror. | |
0093138c | 478 | AC_DEFINE(HAVE_STRERROR) |
1a79b024 DD |
479 | |
480 | setobjs=yes | |
481 | ;; | |
482 | ||
483 | esac | |
484 | fi | |
485 | ||
486 | if test -z "${setobjs}"; then | |
487 | ||
488 | case "${host}" in | |
489 | ||
490 | *-*-cygwin*) | |
491 | # The Cygwin library actually uses a couple of files from | |
492 | # libiberty when it is built. If we are building a native | |
493 | # Cygwin, and we run the tests, we will appear to have these | |
494 | # files. However, when we go on to build winsup, we will wind up | |
495 | # with a library which does not have the files, since they should | |
496 | # have come from libiberty. | |
497 | ||
498 | # We handle this by removing the functions the winsup library | |
499 | # provides from our shell variables, so that they appear to be | |
500 | # missing. | |
501 | ||
502 | # DJ - only if we're *building* cygwin, not just building *with* cygwin | |
503 | ||
504 | if test -n "${with_target_subdir}" | |
505 | then | |
506 | funcs="`echo $funcs | sed -e 's/random//'`" | |
507 | AC_LIBOBJ([random]) | |
508 | vars="`echo $vars | sed -e 's/sys_siglist//'`" | |
509 | checkfuncs="`echo $checkfuncs | sed -e 's/strsignal//' -e 's/psignal//'`" | |
510 | fi | |
511 | ;; | |
512 | ||
513 | *-*-mingw32*) | |
514 | # Under mingw32, sys_nerr and sys_errlist exist, but they are | |
515 | # macros, so the test below won't find them. | |
516 | libiberty_cv_var_sys_nerr=yes | |
517 | libiberty_cv_var_sys_errlist=yes | |
518 | ;; | |
519 | ||
65dce80e DD |
520 | *-*-msdosdjgpp*) |
521 | # vfork and fork are stubs. | |
522 | ac_cv_func_vfork_works=no | |
523 | ;; | |
524 | ||
1a79b024 DD |
525 | *-*-uwin*) |
526 | # Under some versions of uwin, vfork is notoriously buggy and the test | |
527 | # can hang configure; on other versions, vfork exists just as a stub. | |
528 | # FIXME: This should be removed once vfork in uwin's runtime is fixed. | |
529 | ac_cv_func_vfork_works=no | |
530 | # Under uwin 2.0+, sys_nerr and sys_errlist exist, but they are | |
531 | # macros (actually, these are imported from a DLL, but the end effect | |
532 | # is the same), so the test below won't find them. | |
533 | libiberty_cv_var_sys_nerr=yes | |
534 | libiberty_cv_var_sys_errlist=yes | |
535 | ;; | |
536 | ||
537 | *-*-*vms*) | |
538 | # Under VMS, vfork works very different than on Unix. The standard test | |
539 | # won't work, and it isn't easily adaptable. It makes more sense to | |
540 | # just force it. | |
541 | ac_cv_func_vfork_works=yes | |
542 | ;; | |
543 | ||
544 | esac | |
545 | ||
546 | # We haven't set the list of objects yet. Use the standard autoconf | |
547 | # tests. This will only work if the compiler works. | |
548 | AC_ISC_POSIX | |
549 | AC_REPLACE_FUNCS($funcs) | |
550 | libiberty_AC_FUNC_C_ALLOCA | |
85f969cd | 551 | AC_FUNC_FORK |
1a79b024 DD |
552 | if test $ac_cv_func_vfork_works = no; then |
553 | AC_LIBOBJ([vfork]) | |
554 | fi | |
555 | # We only need _doprnt if we might use it to implement v*printf. | |
556 | if test $ac_cv_func_vprintf != yes \ | |
557 | || test $ac_cv_func_vfprintf != yes \ | |
558 | || test $ac_cv_func_vsprintf != yes; then | |
559 | AC_REPLACE_FUNCS(_doprnt) | |
560 | else | |
561 | AC_CHECK_FUNCS(_doprnt) | |
562 | fi | |
563 | ||
564 | for v in $vars; do | |
565 | AC_MSG_CHECKING([for $v]) | |
566 | AC_CACHE_VAL(libiberty_cv_var_$v, | |
85f969cd DD |
567 | [AC_LINK_IFELSE([AC_LANG_PROGRAM([[int *p;]],[[extern int $v []; p = $v;]])], |
568 | [eval "libiberty_cv_var_$v=yes"], | |
569 | [eval "libiberty_cv_var_$v=no"])]) | |
1a79b024 DD |
570 | if eval "test \"`echo '$libiberty_cv_var_'$v`\" = yes"; then |
571 | AC_MSG_RESULT(yes) | |
572 | n=HAVE_`echo $v | tr 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'` | |
573 | AC_DEFINE_UNQUOTED($n) | |
574 | else | |
575 | AC_MSG_RESULT(no) | |
576 | fi | |
577 | done | |
578 | ||
579 | # special check for _system_configuration because AIX <4.3.2 do not | |
580 | # contain the `physmem' member. | |
581 | AC_MSG_CHECKING([for external symbol _system_configuration]) | |
85f969cd DD |
582 | AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/systemcfg.h>]], |
583 | [[double x = _system_configuration.physmem;]])], | |
1a79b024 DD |
584 | [AC_MSG_RESULT([yes]) |
585 | AC_DEFINE(HAVE__SYSTEM_CONFIGURATION, 1, | |
85f969cd | 586 | [Define if you have the _system_configuration variable.])], |
1a79b024 DD |
587 | [AC_MSG_RESULT([no])]) |
588 | ||
589 | AC_CHECK_FUNCS($checkfuncs) | |
01e94249 | 590 | AC_CHECK_DECLS([basename, ffs, asprintf, vasprintf, snprintf, vsnprintf]) |
a4e5c0d8 | 591 | AC_CHECK_DECLS([calloc, getenv, getopt, malloc, realloc, sbrk]) |
67f3cb05 | 592 | AC_CHECK_DECLS([strverscmp]) |
1a79b024 DD |
593 | libiberty_NEED_DECLARATION(canonicalize_file_name) |
594 | fi | |
595 | ||
596 | # Figure out which version of pexecute to use. | |
597 | case "${host}" in | |
46a10049 DD |
598 | *-*-mingw* | *-*-winnt*) pexecute=./pex-win32.o ;; |
599 | *-*-msdosdjgpp*) pexecute=./pex-djgpp.o ;; | |
600 | *-*-msdos*) pexecute=./pex-msdos.o ;; | |
46a10049 | 601 | *) pexecute=./pex-unix.o ;; |
1a79b024 DD |
602 | esac |
603 | AC_SUBST(pexecute) | |
604 | ||
605 | libiberty_AC_FUNC_STRNCMP | |
606 | ||
607 | # Install a library built with a cross compiler in $(tooldir) rather | |
608 | # than $(libdir). | |
609 | if test -z "${with_cross_host}"; then | |
610 | INSTALL_DEST=libdir | |
611 | else | |
612 | INSTALL_DEST=tooldir | |
613 | fi | |
614 | AC_SUBST(INSTALL_DEST) | |
615 | ||
11a338da DD |
616 | m4_pattern_allow(LIBOBJS) |
617 | L="" | |
618 | for l in x $LIBOBJS; do | |
619 | case $l in | |
620 | x) ;; | |
621 | *) L="$L ./$l" ;; | |
622 | esac | |
623 | done | |
624 | LIBOBJS="$L" | |
625 | ||
1a79b024 | 626 | # We need multilib support, but only if configuring for the target. |
85f969cd DD |
627 | AC_CONFIG_FILES([Makefile testsuite/Makefile]) |
628 | AC_CONFIG_COMMANDS([default], | |
629 | [[test -z "$CONFIG_HEADERS" || echo timestamp > stamp-h | |
1a79b024 | 630 | if test -n "$CONFIG_FILES"; then |
f5396bbe | 631 | if test -n "${with_target_subdir}"; then |
1a79b024 DD |
632 | # FIXME: We shouldn't need to set ac_file |
633 | ac_file=Makefile | |
634 | LD="${ORIGINAL_LD_FOR_MULTILIBS}" | |
635 | . ${libiberty_topdir}/config-ml.in | |
636 | fi | |
85f969cd DD |
637 | fi]], |
638 | [[srcdir=${srcdir} | |
1a79b024 DD |
639 | host=${host} |
640 | target=${target} | |
641 | with_target_subdir=${with_target_subdir} | |
1a79b024 DD |
642 | with_multisubdir=${with_multisubdir} |
643 | ac_configure_args="--enable-multilib ${ac_configure_args}" | |
644 | CONFIG_SHELL=${CONFIG_SHELL-/bin/sh} | |
645 | ORIGINAL_LD_FOR_MULTILIBS="${ORIGINAL_LD_FOR_MULTILIBS}" | |
646 | libiberty_topdir=${libiberty_topdir} | |
85f969cd DD |
647 | ]]) |
648 | AC_OUTPUT |