Commit | Line | Data |
---|---|---|
252b5132 RH |
1 | dnl Process this file with autoconf to produce a configure script |
2 | ||
0c0a36a4 | 3 | AC_PREREQ(2.13) |
252b5132 RH |
4 | AC_INIT(pexecute.c) |
5 | ||
52d98c2d DD |
6 | # This works around the fact that libtool configuration may change LD |
7 | # for this particular configuration, but some shells, instead of | |
8 | # keeping the changes in LD private, export them just because LD is | |
9 | # exported. We don't use libtool yet, but some day we might, so... | |
10 | ORIGINAL_LD_FOR_MULTILIBS=$LD | |
11 | ||
252b5132 RH |
12 | dnl We use these options to decide which functions to include. |
13 | AC_ARG_WITH(target-subdir, | |
cfed0715 DD |
14 | [ --with-target-subdir=SUBDIR Configuring in a subdirectory for target]) |
15 | AC_ARG_WITH(build-subdir, | |
16 | [ --with-build-subdir=SUBDIR Configuring in a subdirectory for build]) | |
252b5132 RH |
17 | AC_ARG_WITH(cross-host, |
18 | [ --with-cross-host=HOST Configuring with a cross compiler]) | |
19 | AC_ARG_WITH(newlib, | |
20 | [ --with-newlib Configuring with newlib]) | |
21 | ||
22 | if test "${srcdir}" = "."; then | |
cfed0715 DD |
23 | if test -n "${with_build_subdir}"; then |
24 | libiberty_topdir="${srcdir}/../.." | |
25 | with_target_subdir= | |
26 | elif test -z "${with_target_subdir}"; then | |
252b5132 RH |
27 | libiberty_topdir="${srcdir}/.." |
28 | else | |
29 | if test "${with_target_subdir}" != "."; then | |
30 | libiberty_topdir="${srcdir}/${with_multisrctop}../.." | |
31 | else | |
32 | libiberty_topdir="${srcdir}/${with_multisrctop}.." | |
33 | fi | |
34 | fi | |
35 | else | |
36 | libiberty_topdir="${srcdir}/.." | |
37 | fi | |
38 | AC_CONFIG_AUX_DIR($libiberty_topdir) | |
39 | ||
39423523 DD |
40 | dnl Very limited version of automake's enable-maintainer-mode |
41 | ||
42 | AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles]) | |
43 | dnl maintainer-mode is disabled by default | |
44 | AC_ARG_ENABLE(maintainer-mode, | |
45 | [ --enable-maintainer-mode | |
46 | enable make rules and dependencies not useful | |
47 | (and sometimes confusing) to the casual installer], | |
48 | maintainer_mode=$enableval, | |
49 | maintainer_mode=no) | |
50 | ||
51 | AC_MSG_RESULT($maintainer_mode) | |
52 | ||
53 | if test "$maintainer_mode" = "yes"; then | |
54 | MAINT='' | |
55 | NOTMAINT='#' | |
56 | else | |
57 | MAINT='#' | |
58 | NOTMAINT='' | |
59 | fi | |
60 | AC_SUBST(MAINT)dnl | |
61 | AC_SUBST(NOTMAINT)dnl | |
62 | ||
fa9f0e33 DD |
63 | # Do we have a single-tree copy of texinfo? Even if we do, we can't |
64 | # rely on it - libiberty is built before texinfo. | |
65 | AC_CHECK_PROG(MAKEINFO, makeinfo, makeinfo, ) | |
1a78a35a DD |
66 | if test "x$MAKEINFO" = "x"; then |
67 | MAKEINFO="@echo makeinfo missing; true" | |
fa9f0e33 | 68 | BUILD_INFO= |
1a78a35a DD |
69 | else |
70 | BUILD_INFO=info | |
71 | case x"`$MAKEINFO --version | grep 'GNU texinfo'`" in | |
72 | x*\ [[1-3]].* ) | |
73 | MAKEINFO="@echo $MAKEINFO is too old, 4.0 or newer required; true" | |
74 | BUILD_INFO= | |
75 | AC_MSG_WARN([ | |
fa9f0e33 | 76 | *** Makeinfo is too old. Info documentation will not be built.]) |
1a78a35a DD |
77 | ;; |
78 | esac | |
79 | fi | |
fa9f0e33 | 80 | AC_SUBST(MAKEINFO) |
39423523 DD |
81 | AC_SUBST(BUILD_INFO) |
82 | ||
83 | AC_CHECK_PROG(PERL, perl, perl, ) | |
84 | if test x"$PERL" = x""; then | |
85 | HAVE_PERL='#' | |
86 | else | |
87 | HAVE_PERL='' | |
88 | fi | |
89 | AC_SUBST(HAVE_PERL) | |
90 | ||
252b5132 RH |
91 | AC_CANONICAL_HOST |
92 | ||
93 | dnl When we start using automake: | |
94 | dnl AM_INIT_AUTOMAKE(libiberty, 1.0) | |
95 | ||
96 | dnl These must be called before AM_PROG_LIBTOOL, because it may want | |
97 | dnl to call AC_CHECK_PROG. | |
98 | AC_CHECK_TOOL(AR, ar) | |
99 | AC_CHECK_TOOL(RANLIB, ranlib, :) | |
100 | ||
252b5132 RH |
101 | LIB_AC_PROG_CC |
102 | ||
b39b76b8 DD |
103 | AC_PROG_CC_C_O |
104 | # autoconf is lame and doesn't give us any substitution variable for this. | |
105 | if eval "test \"`echo '$ac_cv_prog_cc_'${ac_cc}_c_o`\" = no"; then | |
106 | NO_MINUS_C_MINUS_O=yes | |
107 | else | |
108 | OUTPUT_OPTION='-o $@' | |
109 | fi | |
110 | AC_SUBST(NO_MINUS_C_MINUS_O) | |
111 | AC_SUBST(OUTPUT_OPTION) | |
112 | ||
252b5132 | 113 | AC_ISC_POSIX |
2ea7befd DD |
114 | AC_C_CONST |
115 | AC_C_INLINE | |
252b5132 RH |
116 | |
117 | dnl When we start using libtool: | |
118 | dnl Default to a non shared library. This may be overridden by the | |
119 | dnl configure option --enable-shared. | |
120 | dnl AM_DISABLE_SHARED | |
121 | ||
122 | dnl When we start using libtool: | |
123 | dnl AM_PROG_LIBTOOL | |
124 | ||
125 | dnl When we start using automake: | |
126 | dnl AM_CONFIG_HEADER(config.h:config.in) | |
127 | AC_CONFIG_HEADER(config.h:config.in) | |
128 | ||
129 | dnl When we start using automake: | |
130 | dnl AM_MAINTAINER_MODE | |
131 | dnl AC_EXEEXT | |
132 | ||
133 | dnl When we start using automake: | |
134 | dnl AM_PROG_INSTALL | |
135 | AC_PROG_INSTALL | |
136 | ||
137 | . ${srcdir}/config.table | |
138 | host_makefile_frag=${frag} | |
139 | AC_SUBST_FILE(host_makefile_frag) | |
140 | ||
141 | # It's OK to check for header files. Although the compiler may not be | |
142 | # able to link anything, it had better be able to at least compile | |
143 | # something. | |
5527febf | 144 | AC_CHECK_HEADERS(sys/file.h sys/param.h limits.h stdlib.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) |
252b5132 | 145 | AC_HEADER_SYS_WAIT |
62df2065 | 146 | AC_HEADER_TIME |
252b5132 | 147 | |
7d3ffcaf JL |
148 | libiberty_AC_DECLARE_ERRNO |
149 | ||
15ae9e71 | 150 | AC_CHECK_TYPE(uintptr_t, unsigned long) |
dc579051 | 151 | |
15ae9e71 | 152 | if test $ac_cv_type_uintptr_t = yes |
dc579051 | 153 | then |
24acd898 | 154 | AC_DEFINE(HAVE_UINTPTR_T, 1, [Define if you have the \`uintptr_t' type.]) |
dc579051 DD |
155 | fi |
156 | ||
cafa3917 DD |
157 | AC_TYPE_PID_T |
158 | ||
252b5132 RH |
159 | # This is the list of functions which libiberty will provide if they |
160 | # are not available on the host. | |
161 | ||
162 | funcs="asprintf" | |
163 | funcs="$funcs atexit" | |
164 | funcs="$funcs basename" | |
165 | funcs="$funcs bcmp" | |
166 | funcs="$funcs bcopy" | |
c6da642e | 167 | funcs="$funcs bsearch" |
252b5132 RH |
168 | funcs="$funcs bzero" |
169 | funcs="$funcs calloc" | |
170 | funcs="$funcs clock" | |
7b78baae | 171 | funcs="$funcs ffs" |
252b5132 RH |
172 | funcs="$funcs getcwd" |
173 | funcs="$funcs getpagesize" | |
174 | funcs="$funcs index" | |
175 | funcs="$funcs insque" | |
176 | funcs="$funcs memchr" | |
177 | funcs="$funcs memcmp" | |
178 | funcs="$funcs memcpy" | |
179 | funcs="$funcs memmove" | |
180 | funcs="$funcs memset" | |
181 | funcs="$funcs mkstemps" | |
0c0a36a4 | 182 | funcs="$funcs putenv" |
252b5132 RH |
183 | funcs="$funcs random" |
184 | funcs="$funcs rename" | |
185 | funcs="$funcs rindex" | |
0c0a36a4 | 186 | funcs="$funcs setenv" |
252b5132 RH |
187 | funcs="$funcs sigsetmask" |
188 | funcs="$funcs strcasecmp" | |
189 | funcs="$funcs strchr" | |
190 | funcs="$funcs strdup" | |
191 | funcs="$funcs strncasecmp" | |
192 | funcs="$funcs strrchr" | |
193 | funcs="$funcs strstr" | |
194 | funcs="$funcs strtod" | |
195 | funcs="$funcs strtol" | |
196 | funcs="$funcs strtoul" | |
197 | funcs="$funcs tmpnam" | |
198 | funcs="$funcs vasprintf" | |
199 | funcs="$funcs vfprintf" | |
200 | funcs="$funcs vprintf" | |
201 | funcs="$funcs vsprintf" | |
202 | funcs="$funcs waitpid" | |
203 | ||
204 | # Also in the old function.def file: alloca, vfork, getopt. | |
205 | ||
206 | vars="sys_errlist sys_nerr sys_siglist" | |
207 | ||
0c0a36a4 | 208 | checkfuncs="getrusage on_exit psignal strerror strsignal sysconf times sbrk gettimeofday" |
252b5132 RH |
209 | |
210 | # These are neither executed nor required, but they help keep | |
211 | # autoheader happy without adding a bunch of text to acconfig.h. | |
212 | if test "x" = "y"; then | |
c6da642e DD |
213 | AC_CHECK_FUNCS(asprintf atexit basename bcmp bcopy bsearch bzero calloc clock) |
214 | AC_CHECK_FUNCS(getcwd getpagesize index insque mkstemps memchr memcmp memcpy) | |
215 | AC_CHECK_FUNCS(memmove memset putenv random rename rindex sigsetmask) | |
216 | AC_CHECK_FUNCS(strcasecmp setenv strchr strdup strncasecmp strrchr strstr) | |
217 | AC_CHECK_FUNCS(strtod strtol strtoul tmpnam vasprintf vfprintf vprintf) | |
218 | AC_CHECK_FUNCS(vsprintf waitpid getrusage on_exit psignal strerror strsignal) | |
7b78baae | 219 | AC_CHECK_FUNCS(sysconf times sbrk gettimeofday ffs) |
2ea7befd DD |
220 | AC_DEFINE(HAVE_SYS_ERRLIST, 1, [Define if you have the sys_errlist variable.]) |
221 | AC_DEFINE(HAVE_SYS_NERR, 1, [Define if you have the sys_nerr variable.]) | |
222 | AC_DEFINE(HAVE_SYS_SIGLIST, 1, [Define if you have the sys_siglist variable.]) | |
252b5132 RH |
223 | fi |
224 | ||
225 | # For each of these functions, if the host does not provide the | |
226 | # function we want to put FN.o in LIBOBJS, and if the host does | |
30673bf5 | 227 | # provide the function, we want to define HAVE_FN in config.h. |
252b5132 RH |
228 | |
229 | setobjs= | |
0c0a36a4 | 230 | CHECK= |
50d4562d | 231 | target_header_dir= |
252b5132 RH |
232 | if test -n "${with_target_subdir}"; then |
233 | ||
234 | # We are being configured as a target library. AC_REPLACE_FUNCS | |
235 | # may not work correctly, because the compiler may not be able to | |
236 | # link executables. Note that we may still be being configured | |
237 | # native. | |
238 | ||
239 | # If we are being configured for newlib, we know which functions | |
240 | # newlib provide and which ones we will be expected to provide. | |
241 | ||
242 | if test "x${with_newlib}" = "xyes"; then | |
252b5132 RH |
243 | LIBOBJS="asprintf.o basename.o insque.o random.o strdup.o vasprintf.o" |
244 | ||
245 | for f in $funcs; do | |
246 | case "$f" in | |
247 | asprintf | basename | insque | random | strdup | vasprintf) | |
248 | ;; | |
249 | *) | |
250 | n=HAVE_`echo $f | tr 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'` | |
251 | AC_DEFINE_UNQUOTED($n) | |
252 | ;; | |
253 | esac | |
254 | done | |
255 | ||
256 | # newlib doesnt provide any of the variables in $vars, so we | |
257 | # dont have to check them here. | |
258 | ||
259 | # Of the functions in $checkfuncs, newlib only has strerror. | |
2ea7befd | 260 | AC_DEFINE_NOAUTOHEADER(HAVE_STRERROR) |
252b5132 RH |
261 | |
262 | setobjs=yes | |
263 | ||
264 | fi | |
0c0a36a4 | 265 | |
50d4562d DD |
266 | # We may wish to install the target headers somewhere. |
267 | AC_ARG_ENABLE(install-libiberty, | |
268 | [ --enable-install-libiberty Install headers for end users], | |
269 | enable_install_libiberty=$enableval, | |
270 | enable_install_libiberty=no)dnl | |
271 | ||
272 | # Option parsed, now set things appropriately. | |
273 | case x"$enable_install_libiberty" in | |
274 | xyes|x) | |
275 | target_header_dir=libiberty | |
276 | ;; | |
277 | xno) | |
278 | target_header_dir= | |
279 | ;; | |
280 | *) | |
281 | # This could be sanity-checked in various ways... | |
282 | target_header_dir="${enable_install_libiberty}" | |
283 | ;; | |
284 | esac | |
285 | ||
286 | ||
0c0a36a4 ILT |
287 | else |
288 | ||
289 | # Not a target library, so we set things up to run the test suite. | |
290 | CHECK=check-cplus-dem | |
291 | ||
252b5132 RH |
292 | fi |
293 | ||
0c0a36a4 | 294 | AC_SUBST(CHECK) |
50d4562d | 295 | AC_SUBST(target_header_dir) |
0c0a36a4 | 296 | |
f01b59ed | 297 | case "${host}" in |
bef8b55d | 298 | *-*-cygwin* | *-*-mingw*) |
24acd898 DD |
299 | AC_DEFINE_NOAUTOHEADER(HAVE_SYS_ERRLIST) |
300 | AC_DEFINE_NOAUTOHEADER(HAVE_SYS_NERR) | |
f01b59ed DD |
301 | ;; |
302 | esac | |
303 | ||
252b5132 RH |
304 | if test -z "${setobjs}"; then |
305 | case "${host}" in | |
306 | ||
307 | *-*-vxworks*) | |
308 | # Handle VxWorks configuration specially, since on VxWorks the | |
309 | # libraries are actually on the target board, not in the file | |
310 | # system. | |
311 | LIBOBJS="basename.o getpagesize.o insque.o random.o strcasecmp.o" | |
312 | LIBOBJS="$LIBOBJS strncasecmp.o strdup.o vfork.o waitpid.o vasprintf.o" | |
313 | for f in $funcs; do | |
314 | case "$f" in | |
315 | basename | getpagesize | insque | random | strcasecmp) | |
316 | ;; | |
317 | strncasecmp | strdup | vfork | waitpid | vasprintf) | |
318 | ;; | |
319 | *) | |
320 | n=HAVE_`echo $f | tr 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'` | |
321 | AC_DEFINE_UNQUOTED($n) | |
322 | ;; | |
323 | esac | |
324 | done | |
325 | ||
326 | # VxWorks doesn't provide any of the variables in $vars, so we | |
327 | # don't have to check them here. | |
328 | ||
329 | # Of the functions in $checkfuncs, VxWorks only has strerror. | |
2ea7befd | 330 | AC_DEFINE_NOAUTOHEADER(HAVE_STRERROR) |
252b5132 RH |
331 | |
332 | setobjs=yes | |
333 | ;; | |
334 | ||
335 | esac | |
336 | fi | |
337 | ||
338 | if test -z "${setobjs}"; then | |
339 | ||
340 | case "${host}" in | |
341 | ||
342 | *-*-cygwin*) | |
343 | # The Cygwin library actually uses a couple of files from | |
344 | # libiberty when it is built. If we are building a native | |
345 | # Cygwin, and we run the tests, we will appear to have these | |
346 | # files. However, when we go on to build winsup, we will wind up | |
347 | # with a library which does not have the files, since they should | |
348 | # have come from libiberty. | |
349 | ||
350 | # We handle this by removing the functions the winsup library | |
351 | # provides from our shell variables, so that they appear to be | |
352 | # missing. | |
353 | ||
64e3a659 DD |
354 | # DJ - only if we're *building* cygwin, not just building *with* cygwin |
355 | ||
356 | if test -n "${with_target_subdir}" | |
357 | then | |
358 | funcs="`echo $funcs | sed -e 's/random//'`" | |
359 | LIBOBJS="$LIBOBJS random.o" | |
360 | vars="`echo $vars | sed -e 's/sys_siglist//'`" | |
361 | checkfuncs="`echo $checkfuncs | sed -e 's/strsignal//' -e 's/psignal//'`" | |
362 | fi | |
252b5132 RH |
363 | ;; |
364 | ||
365 | *-*-mingw32*) | |
366 | # Under mingw32, sys_nerr and sys_errlist exist, but they are | |
367 | # macros, so the test below won't find them. | |
2ea7befd DD |
368 | libiberty_cv_var_sys_nerr=yes |
369 | libiberty_cv_var_sys_errlist=yes | |
252b5132 RH |
370 | ;; |
371 | ||
372 | *-*-uwin*) | |
373 | # Under some versions of uwin, vfork is notoriously buggy and the test | |
374 | # can hang configure; on other versions, vfork exists just as a stub. | |
375 | # FIXME: This should be removed once vfork in uwin's runtime is fixed. | |
376 | ac_cv_func_vfork_works=no | |
0c0a36a4 ILT |
377 | # Under uwin 2.0+, sys_nerr and sys_errlist exist, but they are |
378 | # macros (actually, these are imported from a DLL, but the end effect | |
379 | # is the same), so the test below won't find them. | |
2ea7befd DD |
380 | libiberty_cv_var_sys_nerr=yes |
381 | libiberty_cv_var_sys_errlist=yes | |
252b5132 RH |
382 | ;; |
383 | ||
c0eb281b DD |
384 | *-*-*vms*) |
385 | # Under VMS, vfork works very different than on Unix. The standard test | |
386 | # won't work, and it isn't easily adaptable. It makes more sense to | |
387 | # just force it. | |
388 | ac_cv_func_vfork_works=yes | |
389 | ;; | |
390 | ||
252b5132 RH |
391 | esac |
392 | ||
393 | # We haven't set the list of objects yet. Use the standard autoconf | |
394 | # tests. This will only work if the compiler works. | |
395 | AC_PROG_CC_WORKS | |
396 | AC_REPLACE_FUNCS($funcs) | |
30673bf5 | 397 | libiberty_AC_FUNC_C_ALLOCA |
252b5132 RH |
398 | AC_FUNC_VFORK |
399 | if test $ac_cv_func_vfork_works = no; then | |
400 | LIBOBJS="$LIBOBJS vfork.o" | |
401 | fi | |
24acd898 DD |
402 | # We only need _doprnt if we might use it to implement v*printf. |
403 | if test $ac_cv_func_vprintf != yes \ | |
404 | || test $ac_cv_func_vfprintf != yes \ | |
405 | || test $ac_cv_func_vsprintf != yes; then | |
406 | AC_REPLACE_FUNCS(_doprnt) | |
cc096b71 DD |
407 | else |
408 | AC_CHECK_FUNCS(_doprnt) | |
24acd898 DD |
409 | fi |
410 | ||
252b5132 RH |
411 | for v in $vars; do |
412 | AC_MSG_CHECKING([for $v]) | |
413 | AC_CACHE_VAL(libiberty_cv_var_$v, | |
18893690 | 414 | [AC_TRY_LINK([int *p;], [extern int $v []; p = $v;], |
252b5132 RH |
415 | [eval "libiberty_cv_var_$v=yes"], |
416 | [eval "libiberty_cv_var_$v=no"])]) | |
417 | if eval "test \"`echo '$libiberty_cv_var_'$v`\" = yes"; then | |
418 | AC_MSG_RESULT(yes) | |
419 | n=HAVE_`echo $v | tr 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'` | |
420 | AC_DEFINE_UNQUOTED($n) | |
421 | else | |
422 | AC_MSG_RESULT(no) | |
423 | fi | |
424 | done | |
425 | AC_CHECK_FUNCS($checkfuncs) | |
426 | fi | |
427 | ||
eb383413 L |
428 | libiberty_AC_FUNC_STRNCMP |
429 | ||
252b5132 RH |
430 | # Install a library built with a cross compiler in $(tooldir) rather |
431 | # than $(libdir). | |
432 | if test -z "${with_cross_host}"; then | |
433 | INSTALL_DEST=libdir | |
434 | else | |
435 | INSTALL_DEST=tooldir | |
436 | fi | |
437 | AC_SUBST(INSTALL_DEST) | |
438 | ||
439 | # We need multilib support, but only if configuring for the target. | |
0c0a36a4 | 440 | AC_OUTPUT(Makefile testsuite/Makefile, |
252b5132 RH |
441 | [test -z "$CONFIG_HEADERS" || echo timestamp > stamp-h |
442 | if test -n "$CONFIG_FILES"; then | |
cfed0715 | 443 | if test -n "${with_build_subdir}" || test -n "${with_target_subdir}"; then |
252b5132 RH |
444 | # FIXME: We shouldn't need to set ac_file |
445 | ac_file=Makefile | |
52d98c2d | 446 | LD="${ORIGINAL_LD_FOR_MULTILIBS}" |
252b5132 RH |
447 | . ${libiberty_topdir}/config-ml.in |
448 | fi | |
449 | fi], | |
450 | srcdir=${srcdir} | |
451 | host=${host} | |
452 | target=${target} | |
453 | with_target_subdir=${with_target_subdir} | |
cfed0715 | 454 | with_build_subdir=${with_build_subdir} |
252b5132 RH |
455 | with_multisubdir=${with_multisubdir} |
456 | ac_configure_args="--enable-multilib ${ac_configure_args}" | |
457 | CONFIG_SHELL=${CONFIG_SHELL-/bin/sh} | |
458 | libiberty_topdir=${libiberty_topdir} | |
459 | ) |