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Commit | Line | Data |
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3affd5f0 | 1 | dnl Process this file with autoconf to produce a configure script |
6599da04 | 2 | |
4ac3cb83 | 3 | AC_PREREQ(2.13) |
3affd5f0 | 4 | AC_INIT(pexecute.c) |
6599da04 | 5 | |
3affd5f0 JL |
6 | dnl We use these options to decide which functions to include. |
7 | AC_ARG_WITH(target-subdir, | |
ca6b370d JL |
8 | [ --with-target-subdir=SUBDIR Configuring in a subdirectory]) |
9 | AC_ARG_WITH(cross-host, | |
10 | [ --with-cross-host=HOST Configuring with a cross compiler]) | |
3affd5f0 JL |
11 | AC_ARG_WITH(newlib, |
12 | [ --with-newlib Configuring with newlib]) | |
6599da04 | 13 | |
3affd5f0 JL |
14 | if test "${srcdir}" = "."; then |
15 | if test -z "${with_target_subdir}"; then | |
16 | libiberty_topdir="${srcdir}/.." | |
17 | else | |
18 | if test "${with_target_subdir}" != "."; then | |
19 | libiberty_topdir="${srcdir}/${with_multisrctop}../.." | |
20 | else | |
21 | libiberty_topdir="${srcdir}/${with_multisrctop}.." | |
22 | fi | |
23 | fi | |
24 | else | |
25 | libiberty_topdir="${srcdir}/.." | |
26 | fi | |
27 | AC_CONFIG_AUX_DIR($libiberty_topdir) | |
28 | ||
aaa5f039 DD |
29 | dnl Very limited version of automake's enable-maintainer-mode |
30 | ||
31 | AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles]) | |
32 | dnl maintainer-mode is disabled by default | |
33 | AC_ARG_ENABLE(maintainer-mode, | |
34 | [ --enable-maintainer-mode | |
35 | enable make rules and dependencies not useful | |
36 | (and sometimes confusing) to the casual installer], | |
37 | maintainer_mode=$enableval, | |
38 | maintainer_mode=no) | |
39 | ||
40 | AC_MSG_RESULT($maintainer_mode) | |
41 | ||
42 | if test "$maintainer_mode" = "yes"; then | |
43 | MAINT='' | |
44 | NOTMAINT='#' | |
45 | else | |
46 | MAINT='#' | |
47 | NOTMAINT='' | |
48 | fi | |
49 | AC_SUBST(MAINT)dnl | |
50 | AC_SUBST(NOTMAINT)dnl | |
51 | ||
ae9092da DD |
52 | # Do we have a single-tree copy of texinfo? Even if we do, we can't |
53 | # rely on it - libiberty is built before texinfo. | |
54 | AC_CHECK_PROG(MAKEINFO, makeinfo, makeinfo, ) | |
f749bd83 AM |
55 | if test "x$MAKEINFO" = "x"; then |
56 | MAKEINFO="@echo makeinfo missing; true" | |
ae9092da | 57 | BUILD_INFO= |
f749bd83 AM |
58 | else |
59 | BUILD_INFO=info | |
60 | case x"`$MAKEINFO --version | grep 'GNU texinfo'`" in | |
61 | x*\ [[1-3]].* ) | |
62 | MAKEINFO="@echo $MAKEINFO is too old, 4.0 or newer required; true" | |
63 | BUILD_INFO= | |
64 | AC_MSG_WARN([ | |
ae9092da | 65 | *** Makeinfo is too old. Info documentation will not be built.]) |
f749bd83 AM |
66 | ;; |
67 | esac | |
68 | fi | |
ae9092da | 69 | AC_SUBST(MAKEINFO) |
aaa5f039 DD |
70 | AC_SUBST(BUILD_INFO) |
71 | ||
72 | AC_CHECK_PROG(PERL, perl, perl, ) | |
73 | if test x"$PERL" = x""; then | |
74 | HAVE_PERL='#' | |
75 | else | |
76 | HAVE_PERL='' | |
77 | fi | |
78 | AC_SUBST(HAVE_PERL) | |
79 | ||
3affd5f0 JL |
80 | AC_CANONICAL_HOST |
81 | ||
82 | dnl When we start using automake: | |
83 | dnl AM_INIT_AUTOMAKE(libiberty, 1.0) | |
84 | ||
85 | dnl These must be called before AM_PROG_LIBTOOL, because it may want | |
86 | dnl to call AC_CHECK_PROG. | |
87 | AC_CHECK_TOOL(AR, ar) | |
88 | AC_CHECK_TOOL(RANLIB, ranlib, :) | |
89 | ||
3affd5f0 JL |
90 | LIB_AC_PROG_CC |
91 | ||
92 | AC_ISC_POSIX | |
d1209685 ZW |
93 | AC_C_CONST |
94 | AC_C_INLINE | |
3affd5f0 JL |
95 | |
96 | dnl When we start using libtool: | |
97 | dnl Default to a non shared library. This may be overridden by the | |
98 | dnl configure option --enable-shared. | |
99 | dnl AM_DISABLE_SHARED | |
100 | ||
101 | dnl When we start using libtool: | |
102 | dnl AM_PROG_LIBTOOL | |
103 | ||
104 | dnl When we start using automake: | |
105 | dnl AM_CONFIG_HEADER(config.h:config.in) | |
106 | AC_CONFIG_HEADER(config.h:config.in) | |
107 | ||
108 | dnl When we start using automake: | |
109 | dnl AM_MAINTAINER_MODE | |
dd8f3ed5 | 110 | dnl AC_EXEEXT |
3affd5f0 JL |
111 | |
112 | dnl When we start using automake: | |
113 | dnl AM_PROG_INSTALL | |
114 | AC_PROG_INSTALL | |
6599da04 JM |
115 | |
116 | . ${srcdir}/config.table | |
117 | host_makefile_frag=${frag} | |
3affd5f0 JL |
118 | AC_SUBST_FILE(host_makefile_frag) |
119 | ||
120 | # It's OK to check for header files. Although the compiler may not be | |
121 | # able to link anything, it had better be able to at least compile | |
122 | # something. | |
c6451ce1 | 123 | 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) |
a6458d1d | 124 | AC_HEADER_SYS_WAIT |
c6451ce1 | 125 | AC_HEADER_TIME |
6599da04 | 126 | |
3b58c099 MS |
127 | libiberty_AC_DECLARE_ERRNO |
128 | ||
d3982b71 JL |
129 | AC_MSG_CHECKING(for uintptr_t) |
130 | AC_EGREP_HEADER(uintptr_t, sys/types.h, | |
131 | libiberty_cv_uintptr_t=yes, libiberty_cv_uintptr_t=no) | |
132 | ||
133 | if test $libiberty_cv_uintptr_t = yes | |
134 | then | |
135 | AC_DEFINE(HAVE_UINTPTR_T) | |
136 | AC_MSG_RESULT(yes) | |
137 | else | |
138 | AC_MSG_RESULT(no) | |
139 | fi | |
140 | ||
3affd5f0 JL |
141 | # This is the list of functions which libiberty will provide if they |
142 | # are not available on the host. | |
143 | ||
144 | funcs="asprintf" | |
145 | funcs="$funcs atexit" | |
146 | funcs="$funcs basename" | |
147 | funcs="$funcs bcmp" | |
148 | funcs="$funcs bcopy" | |
dac45916 | 149 | funcs="$funcs bsearch" |
3affd5f0 | 150 | funcs="$funcs bzero" |
a9acf741 | 151 | funcs="$funcs calloc" |
3affd5f0 | 152 | funcs="$funcs clock" |
29650b2b | 153 | funcs="$funcs ffs" |
3affd5f0 JL |
154 | funcs="$funcs getcwd" |
155 | funcs="$funcs getpagesize" | |
156 | funcs="$funcs index" | |
157 | funcs="$funcs insque" | |
158 | funcs="$funcs memchr" | |
159 | funcs="$funcs memcmp" | |
160 | funcs="$funcs memcpy" | |
161 | funcs="$funcs memmove" | |
162 | funcs="$funcs memset" | |
687361c8 | 163 | funcs="$funcs mkstemps" |
9eb4080f | 164 | funcs="$funcs putenv" |
3affd5f0 JL |
165 | funcs="$funcs random" |
166 | funcs="$funcs rename" | |
167 | funcs="$funcs rindex" | |
9eb4080f | 168 | funcs="$funcs setenv" |
3affd5f0 JL |
169 | funcs="$funcs sigsetmask" |
170 | funcs="$funcs strcasecmp" | |
171 | funcs="$funcs strchr" | |
172 | funcs="$funcs strdup" | |
173 | funcs="$funcs strncasecmp" | |
174 | funcs="$funcs strrchr" | |
175 | funcs="$funcs strstr" | |
176 | funcs="$funcs strtod" | |
177 | funcs="$funcs strtol" | |
178 | funcs="$funcs strtoul" | |
179 | funcs="$funcs tmpnam" | |
180 | funcs="$funcs vasprintf" | |
181 | funcs="$funcs vfprintf" | |
182 | funcs="$funcs vprintf" | |
183 | funcs="$funcs vsprintf" | |
184 | funcs="$funcs waitpid" | |
185 | ||
186 | # Also in the old function.def file: alloca, vfork, getopt. | |
187 | ||
188 | vars="sys_errlist sys_nerr sys_siglist" | |
189 | ||
90e72e20 | 190 | checkfuncs="getrusage on_exit psignal strerror strsignal sysconf times sbrk gettimeofday" |
3affd5f0 JL |
191 | |
192 | # These are neither executed nor required, but they help keep | |
193 | # autoheader happy without adding a bunch of text to acconfig.h. | |
194 | if test "x" = "y"; then | |
dac45916 MS |
195 | AC_CHECK_FUNCS(asprintf atexit basename bcmp bcopy bsearch bzero calloc clock) |
196 | AC_CHECK_FUNCS(getcwd getpagesize index insque mkstemps memchr memcmp memcpy) | |
197 | AC_CHECK_FUNCS(memmove memset putenv random rename rindex sigsetmask) | |
198 | AC_CHECK_FUNCS(strcasecmp setenv strchr strdup strncasecmp strrchr strstr) | |
199 | AC_CHECK_FUNCS(strtod strtol strtoul tmpnam vasprintf vfprintf vprintf) | |
200 | AC_CHECK_FUNCS(vsprintf waitpid getrusage on_exit psignal strerror strsignal) | |
29650b2b | 201 | AC_CHECK_FUNCS(sysconf times sbrk gettimeofday ffs) |
d1209685 ZW |
202 | AC_DEFINE(HAVE_SYS_ERRLIST, 1, [Define if you have the sys_errlist variable.]) |
203 | AC_DEFINE(HAVE_SYS_NERR, 1, [Define if you have the sys_nerr variable.]) | |
204 | AC_DEFINE(HAVE_SYS_SIGLIST, 1, [Define if you have the sys_siglist variable.]) | |
6599da04 JM |
205 | fi |
206 | ||
3affd5f0 JL |
207 | # For each of these functions, if the host does not provide the |
208 | # function we want to put FN.o in LIBOBJS, and if the host does | |
b548dffb | 209 | # provide the function, we want to define HAVE_FN in config.h. |
3affd5f0 JL |
210 | |
211 | setobjs= | |
7c72138a | 212 | CHECK= |
3affd5f0 JL |
213 | if test -n "${with_target_subdir}"; then |
214 | ||
ca6b370d | 215 | # We are being configured as a target library. AC_REPLACE_FUNCS |
3affd5f0 | 216 | # may not work correctly, because the compiler may not be able to |
ca6b370d JL |
217 | # link executables. Note that we may still be being configured |
218 | # native. | |
3affd5f0 JL |
219 | |
220 | # If we are being configured for newlib, we know which functions | |
221 | # newlib provide and which ones we will be expected to provide. | |
222 | ||
223 | if test "x${with_newlib}" = "xyes"; then | |
ca6b370d | 224 | LIBOBJS="asprintf.o basename.o insque.o random.o strdup.o vasprintf.o" |
3affd5f0 JL |
225 | |
226 | for f in $funcs; do | |
227 | case "$f" in | |
ca6b370d | 228 | asprintf | basename | insque | random | strdup | vasprintf) |
3affd5f0 JL |
229 | ;; |
230 | *) | |
231 | n=HAVE_`echo $f | tr 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'` | |
232 | AC_DEFINE_UNQUOTED($n) | |
233 | ;; | |
234 | esac | |
235 | done | |
236 | ||
237 | # newlib doesnt provide any of the variables in $vars, so we | |
238 | # dont have to check them here. | |
239 | ||
ca6b370d | 240 | # Of the functions in $checkfuncs, newlib only has strerror. |
d1209685 | 241 | AC_DEFINE_NOAUTOHEADER(HAVE_STRERROR) |
3affd5f0 JL |
242 | |
243 | setobjs=yes | |
244 | ||
245 | fi | |
7c72138a TT |
246 | |
247 | else | |
248 | ||
249 | # Not a target library, so we set things up to run the test suite. | |
250 | CHECK=check-cplus-dem | |
251 | ||
3affd5f0 JL |
252 | fi |
253 | ||
7c72138a TT |
254 | AC_SUBST(CHECK) |
255 | ||
b1c45ae4 CF |
256 | case "${host}" in |
257 | *-*-cygwin*) | |
258 | AC_DEFINE(HAVE_SYS_ERRLIST) | |
259 | AC_DEFINE(HAVE_SYS_NERR) | |
260 | ;; | |
261 | esac | |
262 | ||
3affd5f0 JL |
263 | if test -z "${setobjs}"; then |
264 | case "${host}" in | |
265 | ||
266 | *-*-vxworks*) | |
267 | # Handle VxWorks configuration specially, since on VxWorks the | |
268 | # libraries are actually on the target board, not in the file | |
269 | # system. | |
270 | LIBOBJS="basename.o getpagesize.o insque.o random.o strcasecmp.o" | |
271 | LIBOBJS="$LIBOBJS strncasecmp.o strdup.o vfork.o waitpid.o vasprintf.o" | |
272 | for f in $funcs; do | |
273 | case "$f" in | |
274 | basename | getpagesize | insque | random | strcasecmp) | |
275 | ;; | |
276 | strncasecmp | strdup | vfork | waitpid | vasprintf) | |
277 | ;; | |
278 | *) | |
279 | n=HAVE_`echo $f | tr 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'` | |
280 | AC_DEFINE_UNQUOTED($n) | |
281 | ;; | |
282 | esac | |
283 | done | |
284 | ||
285 | # VxWorks doesn't provide any of the variables in $vars, so we | |
286 | # don't have to check them here. | |
287 | ||
288 | # Of the functions in $checkfuncs, VxWorks only has strerror. | |
d1209685 | 289 | AC_DEFINE_NOAUTOHEADER(HAVE_STRERROR) |
3affd5f0 JL |
290 | |
291 | setobjs=yes | |
292 | ;; | |
293 | ||
294 | esac | |
295 | fi | |
296 | ||
297 | if test -z "${setobjs}"; then | |
298 | ||
299 | case "${host}" in | |
300 | ||
dd8f3ed5 GN |
301 | *-*-cygwin*) |
302 | # The Cygwin library actually uses a couple of files from | |
3affd5f0 | 303 | # libiberty when it is built. If we are building a native |
dd8f3ed5 | 304 | # Cygwin, and we run the tests, we will appear to have these |
3affd5f0 JL |
305 | # files. However, when we go on to build winsup, we will wind up |
306 | # with a library which does not have the files, since they should | |
307 | # have come from libiberty. | |
308 | ||
309 | # We handle this by removing the functions the winsup library | |
310 | # provides from our shell variables, so that they appear to be | |
311 | # missing. | |
312 | ||
2f31ed7e DD |
313 | # DJ - only if we're *building* cygwin, not just building *with* cygwin |
314 | ||
315 | if test -n "${with_target_subdir}" | |
316 | then | |
317 | funcs="`echo $funcs | sed -e 's/random//'`" | |
318 | LIBOBJS="$LIBOBJS random.o" | |
319 | vars="`echo $vars | sed -e 's/sys_siglist//'`" | |
320 | checkfuncs="`echo $checkfuncs | sed -e 's/strsignal//' -e 's/psignal//'`" | |
321 | fi | |
3affd5f0 JL |
322 | ;; |
323 | ||
324 | *-*-mingw32*) | |
325 | # Under mingw32, sys_nerr and sys_errlist exist, but they are | |
326 | # macros, so the test below won't find them. | |
d1209685 ZW |
327 | libiberty_cv_var_sys_nerr=yes |
328 | libiberty_cv_var_sys_errlist=yes | |
3affd5f0 JL |
329 | ;; |
330 | ||
89f602a7 MK |
331 | *-*-uwin*) |
332 | # Under some versions of uwin, vfork is notoriously buggy and the test | |
333 | # can hang configure; on other versions, vfork exists just as a stub. | |
334 | # FIXME: This should be removed once vfork in uwin's runtime is fixed. | |
335 | ac_cv_func_vfork_works=no | |
62133b5e MK |
336 | # Under uwin 2.0+, sys_nerr and sys_errlist exist, but they are |
337 | # macros (actually, these are imported from a DLL, but the end effect | |
338 | # is the same), so the test below won't find them. | |
d1209685 ZW |
339 | libiberty_cv_var_sys_nerr=yes |
340 | libiberty_cv_var_sys_errlist=yes | |
89f602a7 MK |
341 | ;; |
342 | ||
3affd5f0 JL |
343 | esac |
344 | ||
345 | # We haven't set the list of objects yet. Use the standard autoconf | |
346 | # tests. This will only work if the compiler works. | |
347 | AC_PROG_CC_WORKS | |
348 | AC_REPLACE_FUNCS($funcs) | |
b548dffb | 349 | libiberty_AC_FUNC_C_ALLOCA |
3affd5f0 JL |
350 | AC_FUNC_VFORK |
351 | if test $ac_cv_func_vfork_works = no; then | |
352 | LIBOBJS="$LIBOBJS vfork.o" | |
353 | fi | |
354 | for v in $vars; do | |
355 | AC_MSG_CHECKING([for $v]) | |
356 | AC_CACHE_VAL(libiberty_cv_var_$v, | |
357 | [AC_TRY_LINK([int *p;], [extern int $v; p = &$v;], | |
358 | [eval "libiberty_cv_var_$v=yes"], | |
359 | [eval "libiberty_cv_var_$v=no"])]) | |
360 | if eval "test \"`echo '$libiberty_cv_var_'$v`\" = yes"; then | |
361 | AC_MSG_RESULT(yes) | |
362 | n=HAVE_`echo $v | tr 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'` | |
363 | AC_DEFINE_UNQUOTED($n) | |
6599da04 | 364 | else |
3affd5f0 | 365 | AC_MSG_RESULT(no) |
6599da04 | 366 | fi |
3affd5f0 JL |
367 | done |
368 | AC_CHECK_FUNCS($checkfuncs) | |
369 | fi | |
370 | ||
a9266bfa KG |
371 | libiberty_AC_FUNC_STRNCMP |
372 | ||
3affd5f0 JL |
373 | # Install a library built with a cross compiler in $(tooldir) rather |
374 | # than $(libdir). | |
ca6b370d | 375 | if test -z "${with_cross_host}"; then |
3affd5f0 JL |
376 | INSTALL_DEST=libdir |
377 | else | |
378 | INSTALL_DEST=tooldir | |
6599da04 | 379 | fi |
3affd5f0 JL |
380 | AC_SUBST(INSTALL_DEST) |
381 | ||
382 | # We need multilib support, but only if configuring for the target. | |
7c72138a | 383 | AC_OUTPUT(Makefile testsuite/Makefile, |
3affd5f0 JL |
384 | [test -z "$CONFIG_HEADERS" || echo timestamp > stamp-h |
385 | if test -n "$CONFIG_FILES"; then | |
386 | if test -n "${with_target_subdir}"; then | |
387 | # FIXME: We shouldn't need to set ac_file | |
388 | ac_file=Makefile | |
389 | . ${libiberty_topdir}/config-ml.in | |
390 | fi | |
391 | fi], | |
392 | srcdir=${srcdir} | |
393 | host=${host} | |
394 | target=${target} | |
395 | with_target_subdir=${with_target_subdir} | |
396 | with_multisubdir=${with_multisubdir} | |
397 | ac_configure_args="--enable-multilib ${ac_configure_args}" | |
398 | CONFIG_SHELL=${CONFIG_SHELL-/bin/sh} | |
399 | libiberty_topdir=${libiberty_topdir} | |
400 | ) |