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 | ||
958afec3 GK |
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 | |
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. | |
126 | if test $cross_compiling = no && test $multilib = yes \ | |
127 | && test "x${with_multisubdir}" != x ; then | |
128 | cross_compiling=maybe | |
129 | fi | |
130 | ||
1a79b024 DD |
131 | GCC_NO_EXECUTABLES |
132 | AC_PROG_CC | |
133 | AC_PROG_CPP_WERROR | |
134 | ||
1f616ca1 | 135 | ACX_PROG_CC_WARNING_OPTS([-W -Wall -Wwrite-strings -Wc++-compat \ |
a104c397 | 136 | -Wstrict-prototypes], [ac_libiberty_warn_cflags]) |
1f616ca1 | 137 | ACX_PROG_CC_WARNING_ALMOST_PEDANTIC([], [ac_libiberty_warn_cflags]) |
1a79b024 | 138 | |
46a10049 DD |
139 | AC_PROG_CC_C_O |
140 | # autoconf is lame and doesn't give us any substitution variable for this. | |
141 | if eval "test \"`echo '$ac_cv_prog_cc_'${ac_cc}_c_o`\" = no"; then | |
142 | NO_MINUS_C_MINUS_O=yes | |
143 | else | |
144 | OUTPUT_OPTION='-o $@' | |
145 | fi | |
146 | AC_SUBST(NO_MINUS_C_MINUS_O) | |
147 | AC_SUBST(OUTPUT_OPTION) | |
148 | ||
1a79b024 DD |
149 | AC_C_CONST |
150 | AC_C_INLINE | |
0093138c | 151 | AC_C_BIGENDIAN |
1a79b024 | 152 | |
46a10049 | 153 | dnl When we start using libtool: |
1a79b024 DD |
154 | dnl Default to a non shared library. This may be overridden by the |
155 | dnl configure option --enable-shared. | |
46a10049 | 156 | dnl AM_DISABLE_SHARED |
1a79b024 | 157 | |
46a10049 DD |
158 | dnl When we start using libtool: |
159 | dnl AM_PROG_LIBTOOL | |
1a79b024 DD |
160 | |
161 | dnl When we start using automake: | |
162 | dnl AM_CONFIG_HEADER(config.h:config.in) | |
163 | AC_CONFIG_HEADER(config.h:config.in) | |
164 | ||
165 | dnl When we start using automake: | |
166 | dnl AM_MAINTAINER_MODE | |
167 | dnl AC_EXEEXT | |
168 | ||
169 | dnl When we start using automake: | |
170 | dnl AM_PROG_INSTALL | |
171 | AC_PROG_INSTALL | |
172 | ||
4cf896a5 KC |
173 | # Don't build the shared library for build. |
174 | if [[ -n "${with_build_subdir}" ]]; then | |
175 | enable_shared=no | |
176 | fi | |
177 | ||
178 | frag= | |
179 | case "${host}" in | |
180 | rs6000-ibm-aix3.1 | rs6000-ibm-aix) | |
181 | frag=mh-aix ;; | |
182 | *-*-cxux7*) frag=mh-cxux7 ;; | |
183 | *-*-freebsd2.1.*) frag=mh-fbsd21 ;; | |
184 | *-*-freebsd2.2.[[012]]) frag=mh-fbsd21 ;; | |
185 | i370-*-opened*) frag=mh-openedition ;; | |
186 | i[[34567]]86-*-windows*) frag=mh-windows ;; | |
187 | esac | |
188 | ||
189 | if [[ -n "${frag}" ]]; then | |
c779bab8 | 190 | frag=${libiberty_topdir}/libiberty/config/$frag |
4cf896a5 KC |
191 | fi |
192 | ||
193 | # If they didn't specify --enable-shared, don't generate shared libs. | |
194 | case "${enable_shared}" in | |
195 | yes) shared=yes ;; | |
196 | no) shared=no ;; | |
197 | "") shared=no ;; | |
198 | *) shared=yes ;; | |
199 | esac | |
200 | if [[ "${shared}" = "yes" ]]; then | |
4cf896a5 KC |
201 | case "${host}" in |
202 | *-*-cygwin*) ;; | |
c779bab8 PB |
203 | alpha*-*-linux*) PICFLAG=-fPIC ;; |
204 | arm*-*-*) PICFLAG=-fPIC ;; | |
205 | hppa*-*-*) PICFLAG=-fPIC ;; | |
206 | i370-*-*) PICFLAG=-fPIC ;; | |
207 | ia64-*-*) PICFLAG=-fpic ;; | |
4cf896a5 | 208 | i[[34567]]86-*-* | x86_64-*-*) |
c779bab8 PB |
209 | PICFLAG=-fpic ;; |
210 | m68k-*-*) PICFLAG=-fpic ;; | |
017c1138 | 211 | mips*-*-linux) PICFLAG=-fPIC ;; |
4cf896a5 | 212 | powerpc*-*-aix*) ;; |
c779bab8 PB |
213 | powerpc*-*-*) PICFLAG=-fPIC ;; |
214 | sparc*-*-*) case "${CFLAGS}" in | |
215 | *-fpic* ) PICFLAG=-fpic ;; | |
216 | * ) PICFLAG=-fPIC ;; | |
217 | esac ;; | |
218 | s390*-*-*) PICFLAG=-fpic ;; | |
4cf896a5 | 219 | esac |
4cf896a5 | 220 | fi |
c779bab8 | 221 | AC_SUBST(PICFLAG) |
4cf896a5 KC |
222 | |
223 | echo "# Warning: this fragment is automatically generated" > temp-frag | |
224 | ||
c779bab8 PB |
225 | if [[ -n "${frag}" ]] && [[ -f "${frag}" ]]; then |
226 | echo "Appending ${frag} to xhost-mkfrag" | |
227 | echo "# Following fragment copied from ${frag}" >> temp-frag | |
228 | cat ${frag} >> temp-frag | |
229 | fi | |
4cf896a5 KC |
230 | |
231 | # record if we want to build shared libs. | |
232 | if [[ "${shared}" = "yes" ]]; then | |
233 | echo enable_shared = yes >> temp-frag | |
234 | else | |
235 | echo enable_shared = no >> temp-frag | |
236 | fi | |
237 | ||
238 | frag=xhost-mkfrag | |
239 | ${CONFIG_SHELL-/bin/sh} ${libiberty_topdir}/move-if-change temp-frag xhost-mkfrag | |
240 | ||
1a79b024 DD |
241 | host_makefile_frag=${frag} |
242 | AC_SUBST_FILE(host_makefile_frag) | |
243 | ||
244 | # It's OK to check for header files. Although the compiler may not be | |
245 | # able to link anything, it had better be able to at least compile | |
246 | # something. | |
ac119ae8 | 247 | 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 |
248 | AC_HEADER_SYS_WAIT |
249 | AC_HEADER_TIME | |
250 | ||
251 | libiberty_AC_DECLARE_ERRNO | |
252 | ||
40a59a4c DD |
253 | # Determine the size of an int for struct fibnode. |
254 | AC_CHECK_SIZEOF([int]) | |
255 | ||
1a79b024 | 256 | AC_CHECK_TYPE(uintptr_t, unsigned long) |
bb6a587d DD |
257 | |
258 | # Look for a 64-bit type. | |
259 | AC_MSG_CHECKING([for a 64-bit type]) | |
260 | AC_CACHE_VAL(liberty_cv_uint64, | |
261 | [AC_TRY_COMPILE( | |
262 | [#ifdef HAVE_STDINT_H | |
263 | #include <stdint.h> | |
264 | #endif], | |
265 | [extern uint64_t foo;], | |
266 | liberty_cv_uint64=uint64_t, | |
267 | [AC_TRY_COMPILE( | |
268 | [#ifdef HAVE_LIMITS_H | |
269 | #include <limits.h> | |
270 | #endif | |
271 | #ifndef CHAR_BIT | |
272 | #define CHAR_BIT 8 | |
273 | #endif], | |
274 | [extern char foo[sizeof(long) * CHAR_BIT >= 64 ? 1 : -1];], | |
275 | liberty_cv_uint64="unsigned long", | |
276 | [AC_TRY_COMPILE( | |
277 | [#ifdef HAVE_LIMITS_H | |
278 | #include <limits.h> | |
279 | #endif | |
280 | #ifndef CHAR_BIT | |
281 | #define CHAR_BIT 8 | |
282 | #endif], | |
283 | [extern char foo[sizeof(long long) * CHAR_BIT >= 64 ? 1 : -1];], | |
284 | liberty_cv_uint64="unsigned long long", liberty_cv_uint64=none)])])]) | |
285 | AC_MSG_RESULT($liberty_cv_uint64) | |
286 | if test "$liberty_cv_uint64" != none; then | |
7e9f5c71 DD |
287 | AC_DEFINE_UNQUOTED(UNSIGNED_64BIT_TYPE, $liberty_cv_uint64, |
288 | [Define to an unsigned 64-bit type available in the compiler.]) | |
bb6a587d DD |
289 | fi |
290 | ||
1a79b024 DD |
291 | # Given the above check, we always have uintptr_t or a fallback |
292 | # definition. So define HAVE_UINTPTR_T in case any imported code | |
293 | # relies on it. | |
294 | AC_DEFINE(HAVE_UINTPTR_T, 1, [Define if you have the \`uintptr_t' type.]) | |
295 | ||
296 | AC_TYPE_PID_T | |
297 | ||
298 | # This is the list of functions which libiberty will provide if they | |
299 | # are not available on the host. | |
300 | ||
301 | funcs="asprintf" | |
302 | funcs="$funcs atexit" | |
303 | funcs="$funcs basename" | |
304 | funcs="$funcs bcmp" | |
305 | funcs="$funcs bcopy" | |
306 | funcs="$funcs bsearch" | |
307 | funcs="$funcs bzero" | |
308 | funcs="$funcs calloc" | |
309 | funcs="$funcs clock" | |
310 | funcs="$funcs ffs" | |
311 | funcs="$funcs getcwd" | |
312 | funcs="$funcs getpagesize" | |
8ec32723 | 313 | funcs="$funcs gettimeofday" |
1a79b024 DD |
314 | funcs="$funcs index" |
315 | funcs="$funcs insque" | |
316 | funcs="$funcs memchr" | |
317 | funcs="$funcs memcmp" | |
318 | funcs="$funcs memcpy" | |
319 | funcs="$funcs memmove" | |
320 | funcs="$funcs mempcpy" | |
321 | funcs="$funcs memset" | |
322 | funcs="$funcs mkstemps" | |
323 | funcs="$funcs putenv" | |
324 | funcs="$funcs random" | |
325 | funcs="$funcs rename" | |
326 | funcs="$funcs rindex" | |
327 | funcs="$funcs setenv" | |
328 | funcs="$funcs snprintf" | |
329 | funcs="$funcs sigsetmask" | |
330 | funcs="$funcs stpcpy" | |
331 | funcs="$funcs stpncpy" | |
332 | funcs="$funcs strcasecmp" | |
333 | funcs="$funcs strchr" | |
334 | funcs="$funcs strdup" | |
335 | funcs="$funcs strncasecmp" | |
0fad4bdb | 336 | funcs="$funcs strndup" |
1a79b024 DD |
337 | funcs="$funcs strrchr" |
338 | funcs="$funcs strstr" | |
339 | funcs="$funcs strtod" | |
340 | funcs="$funcs strtol" | |
341 | funcs="$funcs strtoul" | |
67f3cb05 | 342 | funcs="$funcs strverscmp" |
1a79b024 DD |
343 | funcs="$funcs tmpnam" |
344 | funcs="$funcs vasprintf" | |
345 | funcs="$funcs vfprintf" | |
346 | funcs="$funcs vprintf" | |
347 | funcs="$funcs vsnprintf" | |
348 | funcs="$funcs vsprintf" | |
349 | funcs="$funcs waitpid" | |
350 | ||
351 | # Also in the old function.def file: alloca, vfork, getopt. | |
352 | ||
353 | vars="sys_errlist sys_nerr sys_siglist" | |
354 | ||
355 | checkfuncs="getrusage on_exit psignal strerror strsignal sysconf times sbrk gettimeofday" | |
356 | checkfuncs="$checkfuncs realpath canonicalize_file_name pstat_getstatic pstat_getdynamic sysmp" | |
ac119ae8 | 357 | checkfuncs="$checkfuncs getsysinfo table sysctl wait3 wait4 __fsetlocking" |
1a79b024 DD |
358 | |
359 | # These are neither executed nor required, but they help keep | |
360 | # autoheader happy without adding a bunch of text to acconfig.h. | |
361 | if test "x" = "y"; then | |
362 | AC_CHECK_FUNCS(asprintf atexit basename bcmp bcopy bsearch bzero calloc clock \ | |
8ec32723 | 363 | getcwd getpagesize gettimeofday index insque mkstemps memchr memcmp memcpy \ |
1a79b024 | 364 | memmove mempcpy memset putenv random rename rindex sigsetmask \ |
0fad4bdb | 365 | strcasecmp setenv stpcpy stpncpy strchr strdup strncasecmp strndup strrchr strstr \ |
67f3cb05 | 366 | strtod strtol strtoul strverscmp tmpnam vasprintf vfprintf vprintf \ |
1a79b024 DD |
367 | vsprintf waitpid getrusage on_exit psignal strerror strsignal \ |
368 | sysconf times sbrk gettimeofday ffs snprintf vsnprintf \ | |
b109e79a | 369 | pstat_getstatic pstat_getdynamic sysmp getsysinfo table sysctl wait3 wait4 \ |
ac119ae8 | 370 | realpath canonicalize_file_name __fsetlocking) |
01e94249 | 371 | AC_CHECK_DECLS([basename, ffs, asprintf, vasprintf, snprintf, vsnprintf]) |
1a79b024 DD |
372 | AC_DEFINE(HAVE_SYS_ERRLIST, 1, [Define if you have the sys_errlist variable.]) |
373 | AC_DEFINE(HAVE_SYS_NERR, 1, [Define if you have the sys_nerr variable.]) | |
374 | AC_DEFINE(HAVE_SYS_SIGLIST, 1, [Define if you have the sys_siglist variable.]) | |
375 | fi | |
376 | ||
377 | # For each of these functions, if the host does not provide the | |
378 | # function we want to put FN.o in LIBOBJS, and if the host does | |
379 | # provide the function, we want to define HAVE_FN in config.h. | |
380 | ||
381 | setobjs= | |
382 | CHECK= | |
383 | target_header_dir= | |
384 | if test -n "${with_target_subdir}"; then | |
385 | ||
386 | # We are being configured as a target library. AC_REPLACE_FUNCS | |
387 | # may not work correctly, because the compiler may not be able to | |
388 | # link executables. Note that we may still be being configured | |
389 | # native. | |
390 | ||
391 | # If we are being configured for newlib, we know which functions | |
392 | # newlib provide and which ones we will be expected to provide. | |
393 | ||
394 | if test "x${with_newlib}" = "xyes"; then | |
395 | AC_LIBOBJ([asprintf]) | |
396 | AC_LIBOBJ([basename]) | |
397 | AC_LIBOBJ([insque]) | |
398 | AC_LIBOBJ([random]) | |
399 | AC_LIBOBJ([strdup]) | |
400 | AC_LIBOBJ([vasprintf]) | |
401 | ||
402 | for f in $funcs; do | |
403 | case "$f" in | |
404 | asprintf | basename | insque | random | strdup | vasprintf) | |
405 | ;; | |
406 | *) | |
407 | n=HAVE_`echo $f | tr 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'` | |
408 | AC_DEFINE_UNQUOTED($n) | |
409 | ;; | |
410 | esac | |
411 | done | |
412 | ||
413 | # newlib doesnt provide any of the variables in $vars, so we | |
414 | # dont have to check them here. | |
415 | ||
416 | # Of the functions in $checkfuncs, newlib only has strerror. | |
0093138c | 417 | AC_DEFINE(HAVE_STRERROR) |
1a79b024 DD |
418 | |
419 | setobjs=yes | |
420 | ||
421 | fi | |
422 | ||
069e4b19 CV |
423 | # If we are being configured for Mingw, we know which functions |
424 | # Mingw provides and which ones we will be expected to provide. | |
425 | ||
426 | case "${host}" in | |
427 | *-*-mingw*) | |
428 | AC_LIBOBJ([asprintf]) | |
429 | AC_LIBOBJ([basename]) | |
430 | AC_LIBOBJ([bcmp]) | |
431 | AC_LIBOBJ([bcopy]) | |
432 | AC_LIBOBJ([bzero]) | |
433 | AC_LIBOBJ([clock]) | |
434 | AC_LIBOBJ([ffs]) | |
435 | AC_LIBOBJ([getpagesize]) | |
436 | AC_LIBOBJ([index]) | |
437 | AC_LIBOBJ([insque]) | |
438 | AC_LIBOBJ([mempcpy]) | |
439 | AC_LIBOBJ([mkstemps]) | |
440 | AC_LIBOBJ([random]) | |
441 | AC_LIBOBJ([rindex]) | |
442 | AC_LIBOBJ([sigsetmask]) | |
443 | AC_LIBOBJ([stpcpy]) | |
444 | AC_LIBOBJ([stpncpy]) | |
445 | AC_LIBOBJ([strndup]) | |
446 | AC_LIBOBJ([strverscmp]) | |
447 | AC_LIBOBJ([vasprintf]) | |
448 | AC_LIBOBJ([waitpid]) | |
449 | ||
450 | for f in $funcs; do | |
451 | case "$f" in | |
452 | asprintf | basename | bcmp | bcopy | bzero | clock | ffs | getpagesize | index | insque | mempcpy | mkstemps | random | rindex | sigsetmask | stpcpy | stpncpy | strdup | strndup | strverscmp | vasprintf | waitpid) | |
453 | ;; | |
454 | *) | |
455 | n=HAVE_`echo $f | tr 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'` | |
456 | AC_DEFINE_UNQUOTED($n) | |
457 | ;; | |
458 | esac | |
459 | done | |
460 | ||
461 | # Mingw doesnt provide any of the variables in $vars, so we | |
462 | # dont have to check them here. | |
463 | ||
464 | # Of the functions in $checkfuncs, Mingw only has strerror. | |
465 | AC_DEFINE(HAVE_STRERROR) | |
466 | ||
467 | setobjs=yes | |
468 | ;; | |
469 | ||
470 | esac | |
471 | ||
1a79b024 DD |
472 | # We may wish to install the target headers somewhere. |
473 | AC_ARG_ENABLE(install-libiberty, | |
474 | [ --enable-install-libiberty Install headers for end users], | |
475 | enable_install_libiberty=$enableval, | |
476 | enable_install_libiberty=no)dnl | |
477 | ||
478 | # Option parsed, now set things appropriately. | |
479 | case x"$enable_install_libiberty" in | |
480 | xyes|x) | |
481 | target_header_dir=libiberty | |
482 | ;; | |
483 | xno) | |
484 | target_header_dir= | |
485 | ;; | |
486 | *) | |
487 | # This could be sanity-checked in various ways... | |
488 | target_header_dir="${enable_install_libiberty}" | |
489 | ;; | |
490 | esac | |
491 | ||
492 | ||
493 | else | |
494 | ||
495 | # Not a target library, so we set things up to run the test suite. | |
b109e79a | 496 | CHECK=really-check |
1a79b024 DD |
497 | |
498 | fi | |
499 | ||
500 | AC_SUBST(CHECK) | |
501 | AC_SUBST(target_header_dir) | |
502 | ||
503 | case "${host}" in | |
504 | *-*-cygwin* | *-*-mingw*) | |
0093138c DD |
505 | AC_DEFINE(HAVE_SYS_ERRLIST) |
506 | AC_DEFINE(HAVE_SYS_NERR) | |
1a79b024 DD |
507 | ;; |
508 | esac | |
509 | ||
510 | if test -z "${setobjs}"; then | |
511 | case "${host}" in | |
512 | ||
513 | *-*-vxworks*) | |
514 | # Handle VxWorks configuration specially, since on VxWorks the | |
515 | # libraries are actually on the target board, not in the file | |
516 | # system. | |
517 | AC_LIBOBJ([basename]) | |
518 | AC_LIBOBJ([getpagesize]) | |
519 | AC_LIBOBJ([insque]) | |
520 | AC_LIBOBJ([random]) | |
521 | AC_LIBOBJ([strcasecmp]) | |
522 | AC_LIBOBJ([strncasecmp]) | |
523 | AC_LIBOBJ([strdup]) | |
524 | AC_LIBOBJ([vfork]) | |
525 | AC_LIBOBJ([waitpid]) | |
526 | AC_LIBOBJ([vasprintf]) | |
527 | for f in $funcs; do | |
528 | case "$f" in | |
529 | basename | getpagesize | insque | random | strcasecmp) | |
530 | ;; | |
531 | strncasecmp | strdup | vfork | waitpid | vasprintf) | |
532 | ;; | |
533 | *) | |
534 | n=HAVE_`echo $f | tr 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'` | |
535 | AC_DEFINE_UNQUOTED($n) | |
536 | ;; | |
537 | esac | |
538 | done | |
539 | ||
540 | # VxWorks doesn't provide any of the variables in $vars, so we | |
541 | # don't have to check them here. | |
542 | ||
543 | # Of the functions in $checkfuncs, VxWorks only has strerror. | |
0093138c | 544 | AC_DEFINE(HAVE_STRERROR) |
1a79b024 | 545 | |
1f92e180 DD |
546 | setobjs=yes |
547 | ;; | |
548 | ||
549 | *-*-msdosdjgpp) | |
550 | for f in atexit basename bcmp bcopy bsearch bzero calloc clock ffs \ | |
008d60eb | 551 | getcwd getpagesize getrusage gettimeofday \ |
1f92e180 DD |
552 | index insque memchr memcmp memcpy memmove memset psignal \ |
553 | putenv random rename rindex sbrk setenv stpcpy strcasecmp \ | |
554 | strchr strdup strerror strncasecmp strrchr strstr strtod \ | |
555 | strtol strtoul sysconf times tmpnam vfprintf vprintf \ | |
556 | vsprintf waitpid | |
557 | do | |
558 | n=HAVE_`echo $f | tr 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'` | |
559 | AC_DEFINE_UNQUOTED($n) | |
560 | done | |
561 | ||
562 | ||
1a79b024 DD |
563 | setobjs=yes |
564 | ;; | |
565 | ||
566 | esac | |
567 | fi | |
568 | ||
569 | if test -z "${setobjs}"; then | |
570 | ||
571 | case "${host}" in | |
572 | ||
573 | *-*-cygwin*) | |
574 | # The Cygwin library actually uses a couple of files from | |
575 | # libiberty when it is built. If we are building a native | |
576 | # Cygwin, and we run the tests, we will appear to have these | |
577 | # files. However, when we go on to build winsup, we will wind up | |
578 | # with a library which does not have the files, since they should | |
579 | # have come from libiberty. | |
580 | ||
581 | # We handle this by removing the functions the winsup library | |
582 | # provides from our shell variables, so that they appear to be | |
583 | # missing. | |
584 | ||
585 | # DJ - only if we're *building* cygwin, not just building *with* cygwin | |
586 | ||
587 | if test -n "${with_target_subdir}" | |
588 | then | |
589 | funcs="`echo $funcs | sed -e 's/random//'`" | |
590 | AC_LIBOBJ([random]) | |
591 | vars="`echo $vars | sed -e 's/sys_siglist//'`" | |
592 | checkfuncs="`echo $checkfuncs | sed -e 's/strsignal//' -e 's/psignal//'`" | |
593 | fi | |
594 | ;; | |
595 | ||
596 | *-*-mingw32*) | |
597 | # Under mingw32, sys_nerr and sys_errlist exist, but they are | |
598 | # macros, so the test below won't find them. | |
599 | libiberty_cv_var_sys_nerr=yes | |
600 | libiberty_cv_var_sys_errlist=yes | |
601 | ;; | |
602 | ||
65dce80e DD |
603 | *-*-msdosdjgpp*) |
604 | # vfork and fork are stubs. | |
605 | ac_cv_func_vfork_works=no | |
606 | ;; | |
607 | ||
1a79b024 DD |
608 | *-*-uwin*) |
609 | # Under some versions of uwin, vfork is notoriously buggy and the test | |
610 | # can hang configure; on other versions, vfork exists just as a stub. | |
611 | # FIXME: This should be removed once vfork in uwin's runtime is fixed. | |
612 | ac_cv_func_vfork_works=no | |
613 | # Under uwin 2.0+, sys_nerr and sys_errlist exist, but they are | |
614 | # macros (actually, these are imported from a DLL, but the end effect | |
615 | # is the same), so the test below won't find them. | |
616 | libiberty_cv_var_sys_nerr=yes | |
617 | libiberty_cv_var_sys_errlist=yes | |
618 | ;; | |
619 | ||
620 | *-*-*vms*) | |
621 | # Under VMS, vfork works very different than on Unix. The standard test | |
622 | # won't work, and it isn't easily adaptable. It makes more sense to | |
623 | # just force it. | |
624 | ac_cv_func_vfork_works=yes | |
625 | ;; | |
626 | ||
627 | esac | |
628 | ||
629 | # We haven't set the list of objects yet. Use the standard autoconf | |
630 | # tests. This will only work if the compiler works. | |
631 | AC_ISC_POSIX | |
632 | AC_REPLACE_FUNCS($funcs) | |
633 | libiberty_AC_FUNC_C_ALLOCA | |
85f969cd | 634 | AC_FUNC_FORK |
1a79b024 DD |
635 | if test $ac_cv_func_vfork_works = no; then |
636 | AC_LIBOBJ([vfork]) | |
637 | fi | |
638 | # We only need _doprnt if we might use it to implement v*printf. | |
639 | if test $ac_cv_func_vprintf != yes \ | |
640 | || test $ac_cv_func_vfprintf != yes \ | |
641 | || test $ac_cv_func_vsprintf != yes; then | |
642 | AC_REPLACE_FUNCS(_doprnt) | |
643 | else | |
644 | AC_CHECK_FUNCS(_doprnt) | |
645 | fi | |
646 | ||
647 | for v in $vars; do | |
648 | AC_MSG_CHECKING([for $v]) | |
649 | AC_CACHE_VAL(libiberty_cv_var_$v, | |
85f969cd DD |
650 | [AC_LINK_IFELSE([AC_LANG_PROGRAM([[int *p;]],[[extern int $v []; p = $v;]])], |
651 | [eval "libiberty_cv_var_$v=yes"], | |
652 | [eval "libiberty_cv_var_$v=no"])]) | |
1a79b024 DD |
653 | if eval "test \"`echo '$libiberty_cv_var_'$v`\" = yes"; then |
654 | AC_MSG_RESULT(yes) | |
655 | n=HAVE_`echo $v | tr 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'` | |
656 | AC_DEFINE_UNQUOTED($n) | |
657 | else | |
658 | AC_MSG_RESULT(no) | |
659 | fi | |
660 | done | |
661 | ||
662 | # special check for _system_configuration because AIX <4.3.2 do not | |
663 | # contain the `physmem' member. | |
664 | AC_MSG_CHECKING([for external symbol _system_configuration]) | |
85f969cd DD |
665 | AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/systemcfg.h>]], |
666 | [[double x = _system_configuration.physmem;]])], | |
1a79b024 DD |
667 | [AC_MSG_RESULT([yes]) |
668 | AC_DEFINE(HAVE__SYSTEM_CONFIGURATION, 1, | |
85f969cd | 669 | [Define if you have the _system_configuration variable.])], |
1a79b024 DD |
670 | [AC_MSG_RESULT([no])]) |
671 | ||
672 | AC_CHECK_FUNCS($checkfuncs) | |
01e94249 | 673 | AC_CHECK_DECLS([basename, ffs, asprintf, vasprintf, snprintf, vsnprintf]) |
a4e5c0d8 | 674 | AC_CHECK_DECLS([calloc, getenv, getopt, malloc, realloc, sbrk]) |
67f3cb05 | 675 | AC_CHECK_DECLS([strverscmp]) |
1a79b024 DD |
676 | libiberty_NEED_DECLARATION(canonicalize_file_name) |
677 | fi | |
678 | ||
679 | # Figure out which version of pexecute to use. | |
680 | case "${host}" in | |
46a10049 DD |
681 | *-*-mingw* | *-*-winnt*) pexecute=./pex-win32.o ;; |
682 | *-*-msdosdjgpp*) pexecute=./pex-djgpp.o ;; | |
683 | *-*-msdos*) pexecute=./pex-msdos.o ;; | |
46a10049 | 684 | *) pexecute=./pex-unix.o ;; |
1a79b024 DD |
685 | esac |
686 | AC_SUBST(pexecute) | |
687 | ||
688 | libiberty_AC_FUNC_STRNCMP | |
689 | ||
690 | # Install a library built with a cross compiler in $(tooldir) rather | |
691 | # than $(libdir). | |
692 | if test -z "${with_cross_host}"; then | |
693 | INSTALL_DEST=libdir | |
694 | else | |
695 | INSTALL_DEST=tooldir | |
696 | fi | |
697 | AC_SUBST(INSTALL_DEST) | |
698 | ||
11a338da DD |
699 | m4_pattern_allow(LIBOBJS) |
700 | L="" | |
701 | for l in x $LIBOBJS; do | |
702 | case $l in | |
703 | x) ;; | |
704 | *) L="$L ./$l" ;; | |
705 | esac | |
706 | done | |
707 | LIBOBJS="$L" | |
708 | ||
545c9aee DD |
709 | dnl Required by html and install-html |
710 | AC_SUBST(datarootdir) | |
711 | AC_SUBST(docdir) | |
712 | AC_SUBST(htmldir) | |
713 | ||
1a79b024 | 714 | # We need multilib support, but only if configuring for the target. |
85f969cd DD |
715 | AC_CONFIG_FILES([Makefile testsuite/Makefile]) |
716 | AC_CONFIG_COMMANDS([default], | |
717 | [[test -z "$CONFIG_HEADERS" || echo timestamp > stamp-h | |
1a79b024 | 718 | if test -n "$CONFIG_FILES"; then |
f5396bbe | 719 | if test -n "${with_target_subdir}"; then |
1a79b024 DD |
720 | # FIXME: We shouldn't need to set ac_file |
721 | ac_file=Makefile | |
722 | LD="${ORIGINAL_LD_FOR_MULTILIBS}" | |
723 | . ${libiberty_topdir}/config-ml.in | |
724 | fi | |
85f969cd DD |
725 | fi]], |
726 | [[srcdir=${srcdir} | |
1a79b024 DD |
727 | host=${host} |
728 | target=${target} | |
729 | with_target_subdir=${with_target_subdir} | |
1a79b024 DD |
730 | with_multisubdir=${with_multisubdir} |
731 | ac_configure_args="--enable-multilib ${ac_configure_args}" | |
732 | CONFIG_SHELL=${CONFIG_SHELL-/bin/sh} | |
733 | ORIGINAL_LD_FOR_MULTILIBS="${ORIGINAL_LD_FOR_MULTILIBS}" | |
734 | libiberty_topdir=${libiberty_topdir} | |
85f969cd DD |
735 | ]]) |
736 | AC_OUTPUT |