]>
Commit | Line | Data |
---|---|---|
3affd5f0 | 1 | dnl Process this file with autoconf to produce a configure script |
6599da04 | 2 | |
a4f74b58 KC |
3 | AC_PREREQ(2.59) |
4 | AC_INIT | |
5 | AC_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... | |
11 | ORIGINAL_LD_FOR_MULTILIBS=$LD | |
12 | ||
3affd5f0 JL |
13 | dnl We use these options to decide which functions to include. |
14 | AC_ARG_WITH(target-subdir, | |
cd862df8 L |
15 | [ --with-target-subdir=SUBDIR Configuring in a subdirectory for target]) |
16 | AC_ARG_WITH(build-subdir, | |
17 | [ --with-build-subdir=SUBDIR Configuring in a subdirectory for build]) | |
ca6b370d JL |
18 | AC_ARG_WITH(cross-host, |
19 | [ --with-cross-host=HOST Configuring with a cross compiler]) | |
3affd5f0 JL |
20 | AC_ARG_WITH(newlib, |
21 | [ --with-newlib Configuring with newlib]) | |
6599da04 | 22 | |
3affd5f0 | 23 | if test "${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}/${with_multisrctop}.." | |
34 | fi | |
35 | fi | |
36 | else | |
37 | libiberty_topdir="${srcdir}/.." | |
38 | fi | |
d8c22ce7 | 39 | AC_SUBST(libiberty_topdir) |
3affd5f0 JL |
40 | AC_CONFIG_AUX_DIR($libiberty_topdir) |
41 | ||
aaa5f039 DD |
42 | dnl Very limited version of automake's enable-maintainer-mode |
43 | ||
44 | AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles]) | |
45 | dnl maintainer-mode is disabled by default | |
46 | AC_ARG_ENABLE(maintainer-mode, | |
47 | [ --enable-maintainer-mode | |
48 | enable make rules and dependencies not useful | |
49 | (and sometimes confusing) to the casual installer], | |
50 | maintainer_mode=$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 | ||
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. | |
67 | AC_CHECK_PROG(MAKEINFO, makeinfo, makeinfo, ) | |
f749bd83 AM |
68 | if test "x$MAKEINFO" = "x"; then |
69 | MAKEINFO="@echo makeinfo missing; true" | |
ae9092da | 70 | BUILD_INFO= |
f749bd83 AM |
71 | else |
72 | BUILD_INFO=info | |
c0590bfd L |
73 | case "$MAKEINFO" in |
74 | */missing\ makeinfo*) | |
f749bd83 AM |
75 | BUILD_INFO= |
76 | AC_MSG_WARN([ | |
c0590bfd L |
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 $MAKEINFO is too old, 4.0 or newer required; true" | |
83 | BUILD_INFO= | |
84 | AC_MSG_WARN([ | |
ae9092da | 85 | *** Makeinfo is too old. Info documentation will not be built.]) |
c0590bfd L |
86 | ;; |
87 | esac | |
f749bd83 AM |
88 | ;; |
89 | esac | |
90 | fi | |
ae9092da | 91 | AC_SUBST(MAKEINFO) |
aaa5f039 DD |
92 | AC_SUBST(BUILD_INFO) |
93 | ||
94 | AC_CHECK_PROG(PERL, perl, perl, ) | |
95 | if test x"$PERL" = x""; then | |
96 | HAVE_PERL='#' | |
97 | else | |
98 | HAVE_PERL='' | |
99 | fi | |
100 | AC_SUBST(HAVE_PERL) | |
101 | ||
3affd5f0 JL |
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 | ||
238235ef DJ |
112 | GCC_NO_EXECUTABLES |
113 | AC_PROG_CC | |
b033df90 | 114 | AC_PROG_CPP_WERROR |
238235ef DJ |
115 | |
116 | if test x$GCC = xyes; then | |
f9a9ac80 | 117 | ac_libiberty_warn_cflags='-W -Wall -pedantic -Wwrite-strings -Wstrict-prototypes' |
238235ef DJ |
118 | fi |
119 | AC_SUBST(ac_libiberty_warn_cflags) | |
3affd5f0 | 120 | |
24f2cabb L |
121 | AC_PROG_CC_C_O |
122 | # autoconf is lame and doesn't give us any substitution variable for this. | |
123 | if eval "test \"`echo '$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 | ||
d1209685 ZW |
131 | AC_C_CONST |
132 | AC_C_INLINE | |
5cc5a0d0 | 133 | AC_C_BIGENDIAN_CROSS |
3affd5f0 | 134 | |
24f2cabb | 135 | dnl When we start using libtool: |
3affd5f0 JL |
136 | dnl Default to a non shared library. This may be overridden by the |
137 | dnl configure option --enable-shared. | |
24f2cabb | 138 | dnl AM_DISABLE_SHARED |
3affd5f0 | 139 | |
24f2cabb L |
140 | dnl When we start using libtool: |
141 | dnl AM_PROG_LIBTOOL | |
3affd5f0 JL |
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 | |
dd8f3ed5 | 149 | dnl AC_EXEEXT |
3affd5f0 JL |
150 | |
151 | dnl When we start using automake: | |
152 | dnl AM_PROG_INSTALL | |
153 | AC_PROG_INSTALL | |
6599da04 JM |
154 | |
155 | . ${srcdir}/config.table | |
156 | host_makefile_frag=${frag} | |
3affd5f0 JL |
157 | AC_SUBST_FILE(host_makefile_frag) |
158 | ||
159 | # It's OK to check for header files. Although the compiler may not be | |
160 | # able to link anything, it had better be able to at least compile | |
161 | # something. | |
78a7dc90 | 162 | 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) |
a6458d1d | 163 | AC_HEADER_SYS_WAIT |
c6451ce1 | 164 | AC_HEADER_TIME |
6599da04 | 165 | |
3b58c099 MS |
166 | libiberty_AC_DECLARE_ERRNO |
167 | ||
d49d0907 BE |
168 | # Determine the size of an int for struct fibnode. |
169 | AC_CHECK_SIZEOF([int]) | |
170 | ||
fdfc290b | 171 | AC_CHECK_TYPE(uintptr_t, unsigned long) |
9bf3c9cc RH |
172 | |
173 | # Look for a 64-bit type. | |
174 | AC_MSG_CHECKING([for a 64-bit type]) | |
175 | AC_CACHE_VAL(liberty_cv_uint64, | |
176 | [AC_TRY_COMPILE( | |
177 | [#ifdef HAVE_STDINT_H | |
178 | #include <stdint.h> | |
179 | #endif], | |
180 | [extern uint64_t foo;], | |
181 | liberty_cv_uint64=uint64_t, | |
182 | [AC_TRY_COMPILE( | |
183 | [#ifdef HAVE_LIMITS_H | |
184 | #include <limits.h> | |
185 | #endif | |
186 | #ifndef CHAR_BIT | |
187 | #define CHAR_BIT 8 | |
188 | #endif], | |
189 | [extern char foo[sizeof(long) * CHAR_BIT >= 64 ? 1 : -1];], | |
190 | liberty_cv_uint64="unsigned long", | |
191 | [AC_TRY_COMPILE( | |
192 | [#ifdef HAVE_LIMITS_H | |
193 | #include <limits.h> | |
194 | #endif | |
195 | #ifndef CHAR_BIT | |
196 | #define CHAR_BIT 8 | |
197 | #endif], | |
198 | [extern char foo[sizeof(long long) * CHAR_BIT >= 64 ? 1 : -1];], | |
199 | liberty_cv_uint64="unsigned long long", liberty_cv_uint64=none)])])]) | |
200 | AC_MSG_RESULT($liberty_cv_uint64) | |
201 | if test "$liberty_cv_uint64" != none; then | |
6489430a MR |
202 | AC_DEFINE_UNQUOTED(UNSIGNED_64BIT_TYPE, $liberty_cv_uint64, |
203 | [Define to an unsigned 64-bit type available in the compiler.]) | |
9bf3c9cc RH |
204 | fi |
205 | ||
39e8d049 KG |
206 | # Given the above check, we always have uintptr_t or a fallback |
207 | # definition. So define HAVE_UINTPTR_T in case any imported code | |
208 | # relies on it. | |
209 | AC_DEFINE(HAVE_UINTPTR_T, 1, [Define if you have the \`uintptr_t' type.]) | |
d3982b71 | 210 | |
deae2ed9 MM |
211 | AC_TYPE_PID_T |
212 | ||
3affd5f0 JL |
213 | # This is the list of functions which libiberty will provide if they |
214 | # are not available on the host. | |
215 | ||
216 | funcs="asprintf" | |
217 | funcs="$funcs atexit" | |
218 | funcs="$funcs basename" | |
219 | funcs="$funcs bcmp" | |
220 | funcs="$funcs bcopy" | |
dac45916 | 221 | funcs="$funcs bsearch" |
3affd5f0 | 222 | funcs="$funcs bzero" |
a9acf741 | 223 | funcs="$funcs calloc" |
3affd5f0 | 224 | funcs="$funcs clock" |
29650b2b | 225 | funcs="$funcs ffs" |
3affd5f0 JL |
226 | funcs="$funcs getcwd" |
227 | funcs="$funcs getpagesize" | |
17049f0b | 228 | funcs="$funcs gettimeofday" |
3affd5f0 JL |
229 | funcs="$funcs index" |
230 | funcs="$funcs insque" | |
231 | funcs="$funcs memchr" | |
232 | funcs="$funcs memcmp" | |
233 | funcs="$funcs memcpy" | |
234 | funcs="$funcs memmove" | |
029bcc09 | 235 | funcs="$funcs mempcpy" |
3affd5f0 | 236 | funcs="$funcs memset" |
687361c8 | 237 | funcs="$funcs mkstemps" |
9eb4080f | 238 | funcs="$funcs putenv" |
3affd5f0 JL |
239 | funcs="$funcs random" |
240 | funcs="$funcs rename" | |
241 | funcs="$funcs rindex" | |
9eb4080f | 242 | funcs="$funcs setenv" |
bd3fbc6b | 243 | funcs="$funcs snprintf" |
3affd5f0 | 244 | funcs="$funcs sigsetmask" |
029bcc09 KG |
245 | funcs="$funcs stpcpy" |
246 | funcs="$funcs stpncpy" | |
3affd5f0 JL |
247 | funcs="$funcs strcasecmp" |
248 | funcs="$funcs strchr" | |
249 | funcs="$funcs strdup" | |
250 | funcs="$funcs strncasecmp" | |
17998b22 | 251 | funcs="$funcs strndup" |
3affd5f0 JL |
252 | funcs="$funcs strrchr" |
253 | funcs="$funcs strstr" | |
254 | funcs="$funcs strtod" | |
255 | funcs="$funcs strtol" | |
256 | funcs="$funcs strtoul" | |
257 | funcs="$funcs tmpnam" | |
258 | funcs="$funcs vasprintf" | |
259 | funcs="$funcs vfprintf" | |
260 | funcs="$funcs vprintf" | |
bd3fbc6b | 261 | funcs="$funcs vsnprintf" |
3affd5f0 JL |
262 | funcs="$funcs vsprintf" |
263 | funcs="$funcs waitpid" | |
264 | ||
265 | # Also in the old function.def file: alloca, vfork, getopt. | |
266 | ||
aa9dc53d | 267 | vars="sys_errlist sys_nerr sys_siglist" |
3affd5f0 | 268 | |
90e72e20 | 269 | checkfuncs="getrusage on_exit psignal strerror strsignal sysconf times sbrk gettimeofday" |
64c7e556 | 270 | checkfuncs="$checkfuncs realpath canonicalize_file_name pstat_getstatic pstat_getdynamic sysmp" |
78a7dc90 | 271 | checkfuncs="$checkfuncs getsysinfo table sysctl wait3 wait4 __fsetlocking" |
3affd5f0 JL |
272 | |
273 | # These are neither executed nor required, but they help keep | |
274 | # autoheader happy without adding a bunch of text to acconfig.h. | |
275 | if test "x" = "y"; then | |
05c30f22 | 276 | AC_CHECK_FUNCS(asprintf atexit basename bcmp bcopy bsearch bzero calloc clock \ |
17049f0b | 277 | getcwd getpagesize gettimeofday index insque mkstemps memchr memcmp memcpy \ |
05c30f22 | 278 | memmove mempcpy memset putenv random rename rindex sigsetmask \ |
17998b22 | 279 | strcasecmp setenv stpcpy stpncpy strchr strdup strncasecmp strndup strrchr strstr \ |
05c30f22 KG |
280 | strtod strtol strtoul tmpnam vasprintf vfprintf vprintf \ |
281 | vsprintf waitpid getrusage on_exit psignal strerror strsignal \ | |
282 | sysconf times sbrk gettimeofday ffs snprintf vsnprintf \ | |
a584cf65 | 283 | pstat_getstatic pstat_getdynamic sysmp getsysinfo table sysctl wait3 wait4 \ |
78a7dc90 | 284 | realpath canonicalize_file_name __fsetlocking) |
1ff7682c | 285 | AC_CHECK_DECLS([basename, ffs, asprintf, vasprintf]) |
d1209685 ZW |
286 | AC_DEFINE(HAVE_SYS_ERRLIST, 1, [Define if you have the sys_errlist variable.]) |
287 | AC_DEFINE(HAVE_SYS_NERR, 1, [Define if you have the sys_nerr variable.]) | |
288 | AC_DEFINE(HAVE_SYS_SIGLIST, 1, [Define if you have the sys_siglist variable.]) | |
6599da04 JM |
289 | fi |
290 | ||
3affd5f0 JL |
291 | # For each of these functions, if the host does not provide the |
292 | # function we want to put FN.o in LIBOBJS, and if the host does | |
b548dffb | 293 | # provide the function, we want to define HAVE_FN in config.h. |
3affd5f0 JL |
294 | |
295 | setobjs= | |
7c72138a | 296 | CHECK= |
48d7db63 | 297 | target_header_dir= |
3affd5f0 JL |
298 | if test -n "${with_target_subdir}"; then |
299 | ||
ca6b370d | 300 | # We are being configured as a target library. AC_REPLACE_FUNCS |
3affd5f0 | 301 | # may not work correctly, because the compiler may not be able to |
ca6b370d JL |
302 | # link executables. Note that we may still be being configured |
303 | # native. | |
3affd5f0 JL |
304 | |
305 | # If we are being configured for newlib, we know which functions | |
306 | # newlib provide and which ones we will be expected to provide. | |
307 | ||
308 | if test "x${with_newlib}" = "xyes"; then | |
238235ef DJ |
309 | AC_LIBOBJ([asprintf]) |
310 | AC_LIBOBJ([basename]) | |
311 | AC_LIBOBJ([insque]) | |
312 | AC_LIBOBJ([random]) | |
313 | AC_LIBOBJ([strdup]) | |
314 | AC_LIBOBJ([vasprintf]) | |
3affd5f0 JL |
315 | |
316 | for f in $funcs; do | |
317 | case "$f" in | |
ca6b370d | 318 | asprintf | basename | insque | random | strdup | vasprintf) |
3affd5f0 JL |
319 | ;; |
320 | *) | |
321 | n=HAVE_`echo $f | tr 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'` | |
322 | AC_DEFINE_UNQUOTED($n) | |
323 | ;; | |
324 | esac | |
325 | done | |
326 | ||
327 | # newlib doesnt provide any of the variables in $vars, so we | |
328 | # dont have to check them here. | |
329 | ||
ca6b370d | 330 | # Of the functions in $checkfuncs, newlib only has strerror. |
d1209685 | 331 | AC_DEFINE_NOAUTOHEADER(HAVE_STRERROR) |
3affd5f0 JL |
332 | |
333 | setobjs=yes | |
334 | ||
335 | fi | |
7c72138a | 336 | |
48d7db63 PE |
337 | # We may wish to install the target headers somewhere. |
338 | AC_ARG_ENABLE(install-libiberty, | |
339 | [ --enable-install-libiberty Install headers for end users], | |
340 | enable_install_libiberty=$enableval, | |
341 | enable_install_libiberty=no)dnl | |
342 | ||
343 | # Option parsed, now set things appropriately. | |
344 | case x"$enable_install_libiberty" in | |
345 | xyes|x) | |
346 | target_header_dir=libiberty | |
347 | ;; | |
348 | xno) | |
349 | target_header_dir= | |
350 | ;; | |
351 | *) | |
352 | # This could be sanity-checked in various ways... | |
353 | target_header_dir="${enable_install_libiberty}" | |
354 | ;; | |
355 | esac | |
356 | ||
357 | ||
7c72138a TT |
358 | else |
359 | ||
360 | # Not a target library, so we set things up to run the test suite. | |
a584cf65 | 361 | CHECK=really-check |
7c72138a | 362 | |
3affd5f0 JL |
363 | fi |
364 | ||
7c72138a | 365 | AC_SUBST(CHECK) |
48d7db63 | 366 | AC_SUBST(target_header_dir) |
7c72138a | 367 | |
b1c45ae4 | 368 | case "${host}" in |
46af757b | 369 | *-*-cygwin* | *-*-mingw*) |
e490616e ZW |
370 | AC_DEFINE_NOAUTOHEADER(HAVE_SYS_ERRLIST) |
371 | AC_DEFINE_NOAUTOHEADER(HAVE_SYS_NERR) | |
b1c45ae4 CF |
372 | ;; |
373 | esac | |
374 | ||
3affd5f0 JL |
375 | if test -z "${setobjs}"; then |
376 | case "${host}" in | |
377 | ||
378 | *-*-vxworks*) | |
379 | # Handle VxWorks configuration specially, since on VxWorks the | |
380 | # libraries are actually on the target board, not in the file | |
381 | # system. | |
238235ef DJ |
382 | AC_LIBOBJ([basename]) |
383 | AC_LIBOBJ([getpagesize]) | |
384 | AC_LIBOBJ([insque]) | |
385 | AC_LIBOBJ([random]) | |
386 | AC_LIBOBJ([strcasecmp]) | |
387 | AC_LIBOBJ([strncasecmp]) | |
388 | AC_LIBOBJ([strdup]) | |
389 | AC_LIBOBJ([vfork]) | |
390 | AC_LIBOBJ([waitpid]) | |
391 | AC_LIBOBJ([vasprintf]) | |
3affd5f0 JL |
392 | for f in $funcs; do |
393 | case "$f" in | |
394 | basename | getpagesize | insque | random | strcasecmp) | |
395 | ;; | |
396 | strncasecmp | strdup | vfork | waitpid | vasprintf) | |
397 | ;; | |
398 | *) | |
399 | n=HAVE_`echo $f | tr 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'` | |
400 | AC_DEFINE_UNQUOTED($n) | |
401 | ;; | |
402 | esac | |
403 | done | |
404 | ||
405 | # VxWorks doesn't provide any of the variables in $vars, so we | |
406 | # don't have to check them here. | |
407 | ||
408 | # Of the functions in $checkfuncs, VxWorks only has strerror. | |
d1209685 | 409 | AC_DEFINE_NOAUTOHEADER(HAVE_STRERROR) |
3affd5f0 JL |
410 | |
411 | setobjs=yes | |
412 | ;; | |
413 | ||
414 | esac | |
415 | fi | |
416 | ||
417 | if test -z "${setobjs}"; then | |
418 | ||
419 | case "${host}" in | |
420 | ||
dd8f3ed5 GN |
421 | *-*-cygwin*) |
422 | # The Cygwin library actually uses a couple of files from | |
3affd5f0 | 423 | # libiberty when it is built. If we are building a native |
dd8f3ed5 | 424 | # Cygwin, and we run the tests, we will appear to have these |
3affd5f0 JL |
425 | # files. However, when we go on to build winsup, we will wind up |
426 | # with a library which does not have the files, since they should | |
427 | # have come from libiberty. | |
428 | ||
429 | # We handle this by removing the functions the winsup library | |
430 | # provides from our shell variables, so that they appear to be | |
431 | # missing. | |
432 | ||
2f31ed7e DD |
433 | # DJ - only if we're *building* cygwin, not just building *with* cygwin |
434 | ||
435 | if test -n "${with_target_subdir}" | |
436 | then | |
437 | funcs="`echo $funcs | sed -e 's/random//'`" | |
238235ef | 438 | AC_LIBOBJ([random]) |
2f31ed7e DD |
439 | vars="`echo $vars | sed -e 's/sys_siglist//'`" |
440 | checkfuncs="`echo $checkfuncs | sed -e 's/strsignal//' -e 's/psignal//'`" | |
441 | fi | |
3affd5f0 JL |
442 | ;; |
443 | ||
444 | *-*-mingw32*) | |
445 | # Under mingw32, sys_nerr and sys_errlist exist, but they are | |
446 | # macros, so the test below won't find them. | |
d1209685 ZW |
447 | libiberty_cv_var_sys_nerr=yes |
448 | libiberty_cv_var_sys_errlist=yes | |
3affd5f0 JL |
449 | ;; |
450 | ||
b3df8be1 | 451 | *-*-msdosdjgpp*) |
fe8ee922 DD |
452 | # vfork and fork are stubs. |
453 | ac_cv_func_vfork_works=no | |
454 | ;; | |
455 | ||
89f602a7 MK |
456 | *-*-uwin*) |
457 | # Under some versions of uwin, vfork is notoriously buggy and the test | |
458 | # can hang configure; on other versions, vfork exists just as a stub. | |
459 | # FIXME: This should be removed once vfork in uwin's runtime is fixed. | |
460 | ac_cv_func_vfork_works=no | |
62133b5e MK |
461 | # Under uwin 2.0+, sys_nerr and sys_errlist exist, but they are |
462 | # macros (actually, these are imported from a DLL, but the end effect | |
463 | # is the same), so the test below won't find them. | |
d1209685 ZW |
464 | libiberty_cv_var_sys_nerr=yes |
465 | libiberty_cv_var_sys_errlist=yes | |
89f602a7 MK |
466 | ;; |
467 | ||
ee262b6f DR |
468 | *-*-*vms*) |
469 | # Under VMS, vfork works very different than on Unix. The standard test | |
470 | # won't work, and it isn't easily adaptable. It makes more sense to | |
471 | # just force it. | |
472 | ac_cv_func_vfork_works=yes | |
473 | ;; | |
474 | ||
3affd5f0 JL |
475 | esac |
476 | ||
477 | # We haven't set the list of objects yet. Use the standard autoconf | |
478 | # tests. This will only work if the compiler works. | |
238235ef | 479 | AC_ISC_POSIX |
3affd5f0 | 480 | AC_REPLACE_FUNCS($funcs) |
b548dffb | 481 | libiberty_AC_FUNC_C_ALLOCA |
a4f74b58 | 482 | AC_FUNC_FORK |
3affd5f0 | 483 | if test $ac_cv_func_vfork_works = no; then |
238235ef | 484 | AC_LIBOBJ([vfork]) |
3affd5f0 | 485 | fi |
e490616e ZW |
486 | # We only need _doprnt if we might use it to implement v*printf. |
487 | if test $ac_cv_func_vprintf != yes \ | |
488 | || test $ac_cv_func_vfprintf != yes \ | |
489 | || test $ac_cv_func_vsprintf != yes; then | |
490 | AC_REPLACE_FUNCS(_doprnt) | |
9ce3f7e5 DD |
491 | else |
492 | AC_CHECK_FUNCS(_doprnt) | |
e490616e ZW |
493 | fi |
494 | ||
3affd5f0 JL |
495 | for v in $vars; do |
496 | AC_MSG_CHECKING([for $v]) | |
497 | AC_CACHE_VAL(libiberty_cv_var_$v, | |
a4f74b58 KC |
498 | [AC_LINK_IFELSE([AC_LANG_PROGRAM([[int *p;]],[[extern int $v []; p = $v;]])], |
499 | [eval "libiberty_cv_var_$v=yes"], | |
500 | [eval "libiberty_cv_var_$v=no"])]) | |
3affd5f0 JL |
501 | if eval "test \"`echo '$libiberty_cv_var_'$v`\" = yes"; then |
502 | AC_MSG_RESULT(yes) | |
503 | n=HAVE_`echo $v | tr 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'` | |
504 | AC_DEFINE_UNQUOTED($n) | |
6599da04 | 505 | else |
3affd5f0 | 506 | AC_MSG_RESULT(no) |
6599da04 | 507 | fi |
3affd5f0 | 508 | done |
aa9dc53d ACY |
509 | |
510 | # special check for _system_configuration because AIX <4.3.2 do not | |
511 | # contain the `physmem' member. | |
512 | AC_MSG_CHECKING([for external symbol _system_configuration]) | |
a4f74b58 KC |
513 | AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/systemcfg.h>]], |
514 | [[double x = _system_configuration.physmem;]])], | |
aa9dc53d ACY |
515 | [AC_MSG_RESULT([yes]) |
516 | AC_DEFINE(HAVE__SYSTEM_CONFIGURATION, 1, | |
a4f74b58 | 517 | [Define if you have the _system_configuration variable.])], |
aa9dc53d ACY |
518 | [AC_MSG_RESULT([no])]) |
519 | ||
3affd5f0 | 520 | AC_CHECK_FUNCS($checkfuncs) |
3c60ae5a | 521 | AC_CHECK_DECLS([basename, ffs, asprintf, vasprintf]) |
4876b2b4 | 522 | libiberty_NEED_DECLARATION(canonicalize_file_name) |
3affd5f0 JL |
523 | fi |
524 | ||
55d0e5e0 ZW |
525 | # Figure out which version of pexecute to use. |
526 | case "${host}" in | |
24f2cabb L |
527 | *-*-mingw* | *-*-winnt*) pexecute=./pex-win32.o ;; |
528 | *-*-msdosdjgpp*) pexecute=./pex-djgpp.o ;; | |
529 | *-*-msdos*) pexecute=./pex-msdos.o ;; | |
24f2cabb | 530 | *) pexecute=./pex-unix.o ;; |
55d0e5e0 ZW |
531 | esac |
532 | AC_SUBST(pexecute) | |
533 | ||
a9266bfa KG |
534 | libiberty_AC_FUNC_STRNCMP |
535 | ||
3affd5f0 JL |
536 | # Install a library built with a cross compiler in $(tooldir) rather |
537 | # than $(libdir). | |
ca6b370d | 538 | if test -z "${with_cross_host}"; then |
3affd5f0 JL |
539 | INSTALL_DEST=libdir |
540 | else | |
541 | INSTALL_DEST=tooldir | |
6599da04 | 542 | fi |
3affd5f0 JL |
543 | AC_SUBST(INSTALL_DEST) |
544 | ||
ad49d865 L |
545 | m4_pattern_allow(LIBOBJS) |
546 | L="" | |
547 | for l in x $LIBOBJS; do | |
548 | case $l in | |
549 | x) ;; | |
550 | *) L="$L ./$l" ;; | |
551 | esac | |
552 | done | |
553 | LIBOBJS="$L" | |
554 | ||
3affd5f0 | 555 | # We need multilib support, but only if configuring for the target. |
a4f74b58 KC |
556 | AC_CONFIG_FILES([Makefile testsuite/Makefile]) |
557 | AC_CONFIG_COMMANDS([default], | |
558 | [[test -z "$CONFIG_HEADERS" || echo timestamp > stamp-h | |
3affd5f0 | 559 | if test -n "$CONFIG_FILES"; then |
27cfe310 | 560 | if test -n "${with_target_subdir}"; then |
3affd5f0 JL |
561 | # FIXME: We shouldn't need to set ac_file |
562 | ac_file=Makefile | |
6706f116 | 563 | LD="${ORIGINAL_LD_FOR_MULTILIBS}" |
3affd5f0 JL |
564 | . ${libiberty_topdir}/config-ml.in |
565 | fi | |
a4f74b58 KC |
566 | fi]], |
567 | [[srcdir=${srcdir} | |
3affd5f0 JL |
568 | host=${host} |
569 | target=${target} | |
570 | with_target_subdir=${with_target_subdir} | |
571 | with_multisubdir=${with_multisubdir} | |
572 | ac_configure_args="--enable-multilib ${ac_configure_args}" | |
573 | CONFIG_SHELL=${CONFIG_SHELL-/bin/sh} | |
3343fdd2 | 574 | ORIGINAL_LD_FOR_MULTILIBS="${ORIGINAL_LD_FOR_MULTILIBS}" |
3affd5f0 | 575 | libiberty_topdir=${libiberty_topdir} |
a4f74b58 KC |
576 | ]]) |
577 | AC_OUTPUT |