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Commit | Line | Data |
---|---|---|
8868edaf | 1 | dnl |
ccc6cda3 JA |
2 | dnl Bash specific tests |
3 | dnl | |
4 | dnl Some derived from PDKSH 5.1.3 autoconf tests | |
5 | dnl | |
74091dd4 | 6 | dnl Copyright (C) 1987-2021 Free Software Foundation, Inc. |
f73dda09 | 7 | dnl |
ccc6cda3 | 8 | |
f73dda09 JA |
9 | dnl |
10 | dnl Check for <inttypes.h>. This is separated out so that it can be | |
11 | dnl AC_REQUIREd. | |
12 | dnl | |
13 | dnl BASH_HEADER_INTTYPES | |
14 | AC_DEFUN(BASH_HEADER_INTTYPES, | |
15 | [ | |
16 | AC_CHECK_HEADERS(inttypes.h) | |
17 | ]) | |
18 | ||
ccc6cda3 JA |
19 | dnl |
20 | dnl check for typedef'd symbols in header files, but allow the caller to | |
21 | dnl specify the include files to be checked in addition to the default | |
8868edaf CR |
22 | dnl |
23 | dnl This could be changed to use AC_COMPILE_IFELSE instead of AC_EGREP_CPP | |
ccc6cda3 JA |
24 | dnl |
25 | dnl BASH_CHECK_TYPE(TYPE, HEADERS, DEFAULT[, VALUE-IF-FOUND]) | |
26 | AC_DEFUN(BASH_CHECK_TYPE, | |
f73dda09 | 27 | [ |
f73dda09 | 28 | AC_REQUIRE([BASH_HEADER_INTTYPES]) |
ccc6cda3 JA |
29 | AC_MSG_CHECKING(for $1) |
30 | AC_CACHE_VAL(bash_cv_type_$1, | |
31 | [AC_EGREP_CPP($1, [#include <sys/types.h> | |
74091dd4 | 32 | #if HAVE_STDLIB_H |
ccc6cda3 | 33 | #include <stdlib.h> |
74091dd4 CR |
34 | #endif |
35 | #if HAVE_STDDEF_H | |
f73dda09 JA |
36 | #include <stddef.h> |
37 | #endif | |
38 | #if HAVE_INTTYPES_H | |
39 | #include <inttypes.h> | |
ccc6cda3 | 40 | #endif |
0001803f CR |
41 | #if HAVE_STDINT_H |
42 | #include <stdint.h> | |
43 | #endif | |
ccc6cda3 JA |
44 | $2 |
45 | ], bash_cv_type_$1=yes, bash_cv_type_$1=no)]) | |
46 | AC_MSG_RESULT($bash_cv_type_$1) | |
47 | ifelse($#, 4, [if test $bash_cv_type_$1 = yes; then | |
48 | AC_DEFINE($4) | |
49 | fi]) | |
50 | if test $bash_cv_type_$1 = no; then | |
f73dda09 | 51 | AC_DEFINE_UNQUOTED($1, $3) |
ccc6cda3 JA |
52 | fi |
53 | ]) | |
54 | ||
55 | dnl | |
f73dda09 | 56 | dnl BASH_CHECK_DECL(FUNC) |
ccc6cda3 | 57 | dnl |
f73dda09 JA |
58 | dnl Check for a declaration of FUNC in stdlib.h and inttypes.h like |
59 | dnl AC_CHECK_DECL | |
60 | dnl | |
61 | AC_DEFUN(BASH_CHECK_DECL, | |
62 | [ | |
f73dda09 | 63 | AC_REQUIRE([BASH_HEADER_INTTYPES]) |
74091dd4 | 64 | AC_CHECK_DECLS([$1]) |
f73dda09 JA |
65 | ]) |
66 | ||
67 | AC_DEFUN(BASH_DECL_PRINTF, | |
68 | [AC_MSG_CHECKING(for declaration of printf in <stdio.h>) | |
69 | AC_CACHE_VAL(bash_cv_printf_declared, | |
74091dd4 | 70 | [AC_RUN_IFELSE([AC_LANG_SOURCE([[ |
f73dda09 JA |
71 | #include <stdio.h> |
72 | #ifdef __STDC__ | |
73 | typedef int (*_bashfunc)(const char *, ...); | |
74 | #else | |
75 | typedef int (*_bashfunc)(); | |
76 | #endif | |
8868edaf CR |
77 | #include <stdlib.h> |
78 | int | |
ccc6cda3 JA |
79 | main() |
80 | { | |
f73dda09 JA |
81 | _bashfunc pf; |
82 | pf = (_bashfunc) printf; | |
83 | exit(pf == 0); | |
84 | } | |
74091dd4 | 85 | ]])], [bash_cv_printf_declared=yes], [bash_cv_printf_declared=no], |
f73dda09 JA |
86 | [AC_MSG_WARN(cannot check printf declaration if cross compiling -- defaulting to yes) |
87 | bash_cv_printf_declared=yes] | |
88 | )]) | |
89 | AC_MSG_RESULT($bash_cv_printf_declared) | |
90 | if test $bash_cv_printf_declared = yes; then | |
91 | AC_DEFINE(PRINTF_DECLARED) | |
92 | fi | |
ccc6cda3 | 93 | ]) |
f73dda09 JA |
94 | |
95 | AC_DEFUN(BASH_DECL_SBRK, | |
96 | [AC_MSG_CHECKING(for declaration of sbrk in <unistd.h>) | |
97 | AC_CACHE_VAL(bash_cv_sbrk_declared, | |
98 | [AC_EGREP_HEADER(sbrk, unistd.h, | |
99 | bash_cv_sbrk_declared=yes, bash_cv_sbrk_declared=no)]) | |
100 | AC_MSG_RESULT($bash_cv_sbrk_declared) | |
101 | if test $bash_cv_sbrk_declared = yes; then | |
102 | AC_DEFINE(SBRK_DECLARED) | |
ccc6cda3 JA |
103 | fi |
104 | ]) | |
105 | ||
106 | dnl | |
107 | dnl Check for sys_siglist[] or _sys_siglist[] | |
108 | dnl | |
e8ce775d JA |
109 | AC_DEFUN(BASH_DECL_UNDER_SYS_SIGLIST, |
110 | [AC_MSG_CHECKING([for _sys_siglist in signal.h or unistd.h]) | |
111 | AC_CACHE_VAL(bash_cv_decl_under_sys_siglist, | |
74091dd4 | 112 | [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ |
e8ce775d JA |
113 | #include <sys/types.h> |
114 | #include <signal.h> | |
115 | #ifdef HAVE_UNISTD_H | |
116 | #include <unistd.h> | |
74091dd4 CR |
117 | #endif]], [[ char *msg = _sys_siglist[2]; ]])], |
118 | [bash_cv_decl_under_sys_siglist=yes], [bash_cv_decl_under_sys_siglist=no], | |
b72432fd | 119 | [AC_MSG_WARN(cannot check for _sys_siglist[] if cross compiling -- defaulting to no)])])dnl |
e8ce775d JA |
120 | AC_MSG_RESULT($bash_cv_decl_under_sys_siglist) |
121 | if test $bash_cv_decl_under_sys_siglist = yes; then | |
122 | AC_DEFINE(UNDER_SYS_SIGLIST_DECLARED) | |
123 | fi | |
124 | ]) | |
125 | ||
ccc6cda3 | 126 | AC_DEFUN(BASH_UNDER_SYS_SIGLIST, |
e8ce775d JA |
127 | [AC_REQUIRE([BASH_DECL_UNDER_SYS_SIGLIST]) |
128 | AC_MSG_CHECKING([for _sys_siglist in system C library]) | |
ccc6cda3 | 129 | AC_CACHE_VAL(bash_cv_under_sys_siglist, |
74091dd4 | 130 | [AC_RUN_IFELSE([AC_LANG_SOURCE([[ |
ccc6cda3 JA |
131 | #include <sys/types.h> |
132 | #include <signal.h> | |
133 | #ifdef HAVE_UNISTD_H | |
134 | #include <unistd.h> | |
135 | #endif | |
8868edaf | 136 | #include <stdlib.h> |
e8ce775d | 137 | #ifndef UNDER_SYS_SIGLIST_DECLARED |
ccc6cda3 JA |
138 | extern char *_sys_siglist[]; |
139 | #endif | |
8868edaf | 140 | int |
ccc6cda3 JA |
141 | main() |
142 | { | |
e8ce775d | 143 | char *msg = (char *)_sys_siglist[2]; |
ccc6cda3 | 144 | exit(msg == 0); |
74091dd4 CR |
145 | } |
146 | ]])], | |
147 | [bash_cv_under_sys_siglist=yes], [bash_cv_under_sys_siglist=no], | |
b72432fd | 148 | [AC_MSG_WARN(cannot check for _sys_siglist[] if cross compiling -- defaulting to no) |
74091dd4 CR |
149 | bash_cv_under_sys_siglist=no] |
150 | )]) | |
ccc6cda3 JA |
151 | AC_MSG_RESULT($bash_cv_under_sys_siglist) |
152 | if test $bash_cv_under_sys_siglist = yes; then | |
153 | AC_DEFINE(HAVE_UNDER_SYS_SIGLIST) | |
154 | fi | |
155 | ]) | |
156 | ||
74091dd4 CR |
157 | dnl this defines HAVE_DECL_SYS_SIGLIST |
158 | AC_DEFUN([BASH_DECL_SYS_SIGLIST], | |
159 | [AC_CHECK_DECLS([sys_siglist],,, | |
160 | [#include <signal.h> | |
161 | /* NetBSD declares sys_siglist in unistd.h. */ | |
162 | #ifdef HAVE_UNISTD_H | |
163 | # include <unistd.h> | |
164 | #endif | |
165 | ]) | |
166 | ]) | |
167 | ||
ccc6cda3 | 168 | AC_DEFUN(BASH_SYS_SIGLIST, |
74091dd4 | 169 | [AC_REQUIRE([BASH_DECL_SYS_SIGLIST]) |
ccc6cda3 JA |
170 | AC_MSG_CHECKING([for sys_siglist in system C library]) |
171 | AC_CACHE_VAL(bash_cv_sys_siglist, | |
74091dd4 | 172 | [AC_RUN_IFELSE([AC_LANG_SOURCE([[ |
ccc6cda3 JA |
173 | #include <sys/types.h> |
174 | #include <signal.h> | |
175 | #ifdef HAVE_UNISTD_H | |
176 | #include <unistd.h> | |
177 | #endif | |
8868edaf | 178 | #include <stdlib.h> |
3185942a | 179 | #if !HAVE_DECL_SYS_SIGLIST |
ccc6cda3 JA |
180 | extern char *sys_siglist[]; |
181 | #endif | |
8868edaf | 182 | int |
ccc6cda3 JA |
183 | main() |
184 | { | |
185 | char *msg = sys_siglist[2]; | |
186 | exit(msg == 0); | |
74091dd4 CR |
187 | } |
188 | ]])], [bash_cv_sys_siglist=yes], [bash_cv_sys_siglist=no], | |
b72432fd | 189 | [AC_MSG_WARN(cannot check for sys_siglist if cross compiling -- defaulting to no) |
74091dd4 CR |
190 | bash_cv_sys_siglist=no] |
191 | )]) | |
ccc6cda3 JA |
192 | AC_MSG_RESULT($bash_cv_sys_siglist) |
193 | if test $bash_cv_sys_siglist = yes; then | |
194 | AC_DEFINE(HAVE_SYS_SIGLIST) | |
195 | fi | |
196 | ]) | |
197 | ||
f73dda09 JA |
198 | dnl Check for the various permutations of sys_siglist and make sure we |
199 | dnl compile in siglist.o if they're not defined | |
200 | AC_DEFUN(BASH_CHECK_SYS_SIGLIST, [ | |
201 | AC_REQUIRE([BASH_SYS_SIGLIST]) | |
202 | AC_REQUIRE([BASH_DECL_UNDER_SYS_SIGLIST]) | |
203 | AC_REQUIRE([BASH_FUNC_STRSIGNAL]) | |
204 | if test "$bash_cv_sys_siglist" = no && test "$bash_cv_under_sys_siglist" = no && test "$bash_cv_have_strsignal" = no; then | |
205 | SIGLIST_O=siglist.o | |
206 | else | |
207 | SIGLIST_O= | |
208 | fi | |
209 | AC_SUBST([SIGLIST_O]) | |
210 | ]) | |
211 | ||
ccc6cda3 JA |
212 | dnl Check for sys_errlist[] and sys_nerr, check for declaration |
213 | AC_DEFUN(BASH_SYS_ERRLIST, | |
214 | [AC_MSG_CHECKING([for sys_errlist and sys_nerr]) | |
215 | AC_CACHE_VAL(bash_cv_sys_errlist, | |
74091dd4 CR |
216 | [AC_LINK_IFELSE([AC_LANG_PROGRAM([[ |
217 | #include <errno.h> | |
218 | ]],[[ | |
219 | extern char *sys_errlist[]; | |
220 | extern int sys_nerr; | |
221 | char *msg = sys_errlist[sys_nerr - 1]; | |
222 | ]] )], | |
223 | [bash_cv_sys_errlist=yes], [bash_cv_sys_errlist=no] | |
224 | )]) | |
ccc6cda3 JA |
225 | AC_MSG_RESULT($bash_cv_sys_errlist) |
226 | if test $bash_cv_sys_errlist = yes; then | |
227 | AC_DEFINE(HAVE_SYS_ERRLIST) | |
228 | fi | |
229 | ]) | |
230 | ||
f73dda09 JA |
231 | dnl |
232 | dnl Check if dup2() does not clear the close on exec flag | |
233 | dnl | |
234 | AC_DEFUN(BASH_FUNC_DUP2_CLOEXEC_CHECK, | |
235 | [AC_MSG_CHECKING(if dup2 fails to clear the close-on-exec flag) | |
236 | AC_CACHE_VAL(bash_cv_dup2_broken, | |
74091dd4 | 237 | [AC_RUN_IFELSE([AC_LANG_SOURCE([[ |
f73dda09 JA |
238 | #include <sys/types.h> |
239 | #include <fcntl.h> | |
8868edaf CR |
240 | #include <stdlib.h> |
241 | int | |
f73dda09 JA |
242 | main() |
243 | { | |
244 | int fd1, fd2, fl; | |
245 | fd1 = open("/dev/null", 2); | |
246 | if (fcntl(fd1, 2, 1) < 0) | |
247 | exit(1); | |
248 | fd2 = dup2(fd1, 1); | |
249 | if (fd2 < 0) | |
250 | exit(2); | |
251 | fl = fcntl(fd2, 1, 0); | |
252 | /* fl will be 1 if dup2 did not reset the close-on-exec flag. */ | |
253 | exit(fl != 1); | |
254 | } | |
74091dd4 | 255 | ]])], [bash_cv_dup2_broken=yes], [bash_cv_dup2_broken=no], |
f73dda09 | 256 | [AC_MSG_WARN(cannot check dup2 if cross compiling -- defaulting to no) |
74091dd4 CR |
257 | bash_cv_dup2_broken=no] |
258 | )]) | |
f73dda09 JA |
259 | AC_MSG_RESULT($bash_cv_dup2_broken) |
260 | if test $bash_cv_dup2_broken = yes; then | |
261 | AC_DEFINE(DUP2_BROKEN) | |
262 | fi | |
263 | ]) | |
264 | ||
265 | AC_DEFUN(BASH_FUNC_STRSIGNAL, | |
266 | [AC_MSG_CHECKING([for the existence of strsignal]) | |
267 | AC_CACHE_VAL(bash_cv_have_strsignal, | |
74091dd4 CR |
268 | [AC_LINK_IFELSE( |
269 | [AC_LANG_PROGRAM([[#include <sys/types.h> | |
8868edaf | 270 | #include <signal.h> |
74091dd4 CR |
271 | #include <string.h>]], |
272 | [[char *s = (char *)strsignal(2);]])], | |
273 | [bash_cv_have_strsignal=yes], [bash_cv_have_strsignal=no])]) | |
f73dda09 JA |
274 | AC_MSG_RESULT($bash_cv_have_strsignal) |
275 | if test $bash_cv_have_strsignal = yes; then | |
276 | AC_DEFINE(HAVE_STRSIGNAL) | |
277 | fi | |
278 | ]) | |
279 | ||
ccc6cda3 JA |
280 | dnl Check to see if opendir will open non-directories (not a nice thing) |
281 | AC_DEFUN(BASH_FUNC_OPENDIR_CHECK, | |
282 | [AC_REQUIRE([AC_HEADER_DIRENT])dnl | |
283 | AC_MSG_CHECKING(if opendir() opens non-directories) | |
284 | AC_CACHE_VAL(bash_cv_opendir_not_robust, | |
74091dd4 | 285 | [AC_RUN_IFELSE([AC_LANG_SOURCE([[ |
ccc6cda3 JA |
286 | #include <stdio.h> |
287 | #include <sys/types.h> | |
288 | #include <fcntl.h> | |
289 | #ifdef HAVE_UNISTD_H | |
290 | # include <unistd.h> | |
291 | #endif /* HAVE_UNISTD_H */ | |
8868edaf CR |
292 | #ifdef HAVE_SYS_STAT_H |
293 | #include <sys/stat.h> | |
294 | #endif | |
ccc6cda3 JA |
295 | #if defined(HAVE_DIRENT_H) |
296 | # include <dirent.h> | |
297 | #else | |
298 | # define dirent direct | |
299 | # ifdef HAVE_SYS_NDIR_H | |
300 | # include <sys/ndir.h> | |
301 | # endif /* SYSNDIR */ | |
302 | # ifdef HAVE_SYS_DIR_H | |
303 | # include <sys/dir.h> | |
304 | # endif /* SYSDIR */ | |
305 | # ifdef HAVE_NDIR_H | |
306 | # include <ndir.h> | |
307 | # endif | |
308 | #endif /* HAVE_DIRENT_H */ | |
8868edaf CR |
309 | #include <stdlib.h> |
310 | int | |
ccc6cda3 JA |
311 | main() |
312 | { | |
313 | DIR *dir; | |
bb70624e | 314 | int fd, err; |
3185942a | 315 | err = mkdir("bash-aclocal", 0700); |
bb70624e JA |
316 | if (err < 0) { |
317 | perror("mkdir"); | |
318 | exit(1); | |
319 | } | |
3185942a JA |
320 | unlink("bash-aclocal/not_a_directory"); |
321 | fd = open("bash-aclocal/not_a_directory", O_WRONLY|O_CREAT|O_EXCL, 0666); | |
ccc6cda3 JA |
322 | write(fd, "\n", 1); |
323 | close(fd); | |
3185942a JA |
324 | dir = opendir("bash-aclocal/not_a_directory"); |
325 | unlink("bash-aclocal/not_a_directory"); | |
326 | rmdir("bash-aclocal"); | |
ccc6cda3 | 327 | exit (dir == 0); |
74091dd4 CR |
328 | } |
329 | ]])], [bash_cv_opendir_not_robust=yes], [bash_cv_opendir_not_robust=no], | |
b72432fd | 330 | [AC_MSG_WARN(cannot check opendir if cross compiling -- defaulting to no) |
cce855bc JA |
331 | bash_cv_opendir_not_robust=no] |
332 | )]) | |
ccc6cda3 JA |
333 | AC_MSG_RESULT($bash_cv_opendir_not_robust) |
334 | if test $bash_cv_opendir_not_robust = yes; then | |
335 | AC_DEFINE(OPENDIR_NOT_ROBUST) | |
336 | fi | |
337 | ]) | |
338 | ||
bb70624e JA |
339 | dnl |
340 | dnl A signed 16-bit integer quantity | |
341 | dnl | |
342 | AC_DEFUN(BASH_TYPE_BITS16_T, | |
343 | [ | |
344 | if test "$ac_cv_sizeof_short" = 2; then | |
345 | AC_CHECK_TYPE(bits16_t, short) | |
346 | elif test "$ac_cv_sizeof_char" = 2; then | |
347 | AC_CHECK_TYPE(bits16_t, char) | |
348 | else | |
349 | AC_CHECK_TYPE(bits16_t, short) | |
350 | fi | |
351 | ]) | |
352 | ||
353 | dnl | |
354 | dnl An unsigned 16-bit integer quantity | |
355 | dnl | |
356 | AC_DEFUN(BASH_TYPE_U_BITS16_T, | |
357 | [ | |
358 | if test "$ac_cv_sizeof_short" = 2; then | |
359 | AC_CHECK_TYPE(u_bits16_t, unsigned short) | |
360 | elif test "$ac_cv_sizeof_char" = 2; then | |
361 | AC_CHECK_TYPE(u_bits16_t, unsigned char) | |
362 | else | |
363 | AC_CHECK_TYPE(u_bits16_t, unsigned short) | |
364 | fi | |
365 | ]) | |
366 | ||
367 | dnl | |
368 | dnl A signed 32-bit integer quantity | |
369 | dnl | |
370 | AC_DEFUN(BASH_TYPE_BITS32_T, | |
cce855bc | 371 | [ |
b72432fd | 372 | if test "$ac_cv_sizeof_int" = 4; then |
bb70624e | 373 | AC_CHECK_TYPE(bits32_t, int) |
b72432fd | 374 | elif test "$ac_cv_sizeof_long" = 4; then |
bb70624e | 375 | AC_CHECK_TYPE(bits32_t, long) |
cce855bc | 376 | else |
bb70624e | 377 | AC_CHECK_TYPE(bits32_t, int) |
cce855bc JA |
378 | fi |
379 | ]) | |
380 | ||
bb70624e JA |
381 | dnl |
382 | dnl An unsigned 32-bit integer quantity | |
383 | dnl | |
384 | AC_DEFUN(BASH_TYPE_U_BITS32_T, | |
cce855bc | 385 | [ |
b72432fd | 386 | if test "$ac_cv_sizeof_int" = 4; then |
bb70624e | 387 | AC_CHECK_TYPE(u_bits32_t, unsigned int) |
b72432fd | 388 | elif test "$ac_cv_sizeof_long" = 4; then |
bb70624e | 389 | AC_CHECK_TYPE(u_bits32_t, unsigned long) |
cce855bc | 390 | else |
bb70624e | 391 | AC_CHECK_TYPE(u_bits32_t, unsigned int) |
cce855bc JA |
392 | fi |
393 | ]) | |
394 | ||
395 | AC_DEFUN(BASH_TYPE_PTRDIFF_T, | |
396 | [ | |
b72432fd JA |
397 | if test "$ac_cv_sizeof_int" = "$ac_cv_sizeof_char_p"; then |
398 | AC_CHECK_TYPE(ptrdiff_t, int) | |
399 | elif test "$ac_cv_sizeof_long" = "$ac_cv_sizeof_char_p"; then | |
400 | AC_CHECK_TYPE(ptrdiff_t, long) | |
f73dda09 JA |
401 | elif test "$ac_cv_type_long_long" = yes && test "$ac_cv_sizeof_long_long" = "$ac_cv_sizeof_char_p"; then |
402 | AC_CHECK_TYPE(ptrdiff_t, [long long]) | |
cce855bc | 403 | else |
b72432fd | 404 | AC_CHECK_TYPE(ptrdiff_t, int) |
cce855bc | 405 | fi |
b72432fd JA |
406 | ]) |
407 | ||
bb70624e JA |
408 | dnl |
409 | dnl A signed 64-bit quantity | |
410 | dnl | |
b72432fd JA |
411 | AC_DEFUN(BASH_TYPE_BITS64_T, |
412 | [ | |
f73dda09 | 413 | if test "$ac_cv_sizeof_char_p" = 8; then |
b72432fd JA |
414 | AC_CHECK_TYPE(bits64_t, char *) |
415 | elif test "$ac_cv_sizeof_double" = 8; then | |
416 | AC_CHECK_TYPE(bits64_t, double) | |
f73dda09 JA |
417 | elif test -n "$ac_cv_type_long_long" && test "$ac_cv_sizeof_long_long" = 8; then |
418 | AC_CHECK_TYPE(bits64_t, [long long]) | |
b72432fd JA |
419 | elif test "$ac_cv_sizeof_long" = 8; then |
420 | AC_CHECK_TYPE(bits64_t, long) | |
cce855bc | 421 | else |
b72432fd | 422 | AC_CHECK_TYPE(bits64_t, double) |
cce855bc JA |
423 | fi |
424 | ]) | |
425 | ||
74091dd4 CR |
426 | AC_DEFUN(BASH_SIZEOF_RLIMIT, |
427 | [AC_MSG_CHECKING(for size of struct rlimit fields) | |
428 | AC_CACHE_VAL(bash_cv_sizeof_rlim_cur, | |
429 | [AC_RUN_IFELSE([AC_LANG_SOURCE([[ | |
430 | #ifdef HAVE_SYS_TIME_H | |
431 | #include <sys/time.h> | |
432 | #endif | |
433 | #include <stdlib.h> | |
434 | #include <sys/resource.h> | |
435 | main() | |
436 | { | |
437 | struct rlimit r; | |
438 | exit(sizeof (r.rlim_cur)); | |
439 | } | |
440 | ]])], [bash_cv_sizeof_rlim_cur=$?], [bash_cv_sizeof_rlim_cur=$?], | |
441 | [AC_MSG_WARN(cannot check size of rlimit fields if cross compiling -- defaulting to long) | |
442 | bash_cv_sizeof_rlim_cur=$ac_cv_sizeof_long] | |
443 | )]) | |
444 | AC_MSG_RESULT($bash_cv_sizeof_rlim_cur) | |
f73dda09 JA |
445 | ]) |
446 | ||
74091dd4 CR |
447 | AC_DEFUN(BASH_SIZEOF_QUAD_T, |
448 | [AC_MSG_CHECKING(for size of quad_t) | |
449 | AC_CACHE_VAL(bash_cv_sizeof_quad_t, | |
450 | [AC_RUN_IFELSE([AC_LANG_SOURCE([[ | |
451 | #include <sys/types.h> | |
452 | #include <stdlib.h> | |
453 | #if HAVE_INTTYPES_H | |
454 | #include <inttypes.h> | |
455 | #endif | |
456 | #if HAVE_STDINT_H | |
457 | #include <stdint.h> | |
458 | #endif | |
459 | ||
460 | main() | |
461 | { | |
462 | #if HAVE_QUAD_T | |
463 | quad_t x; | |
464 | exit(sizeof (x)); | |
465 | #else | |
466 | exit (0); | |
467 | #endif | |
468 | } | |
469 | ]])], [bash_cv_sizeof_quad_t=$?], [bash_cv_sizeof_quad_t=$?], | |
470 | [AC_MSG_WARN(cannot check size of quad_t if cross compiling -- defaulting to 0) | |
471 | bash_cv_sizeof_quad_t=0] | |
472 | )]) | |
473 | AC_MSG_RESULT($bash_cv_sizeof_quad_t) | |
f73dda09 JA |
474 | ]) |
475 | ||
476 | dnl | |
74091dd4 CR |
477 | dnl Type of struct rlimit fields: updated to check POSIX rlim_t and |
478 | dnl if it doesn't exist determine the best guess based on sizeof(r.rlim_cur) | |
f73dda09 JA |
479 | dnl |
480 | AC_DEFUN(BASH_TYPE_RLIMIT, | |
74091dd4 | 481 | [AC_MSG_CHECKING(for type of struct rlimit fields) |
f73dda09 | 482 | AC_CACHE_VAL(bash_cv_type_rlimit, |
74091dd4 | 483 | [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ |
f73dda09 | 484 | #include <sys/types.h> |
74091dd4 CR |
485 | #include <sys/resource.h>]], |
486 | [[rlim_t xxx;]] | |
487 | )], | |
488 | [bash_cv_type_rlimit=rlim_t], [ | |
489 | BASH_SIZEOF_RLIMIT | |
490 | BASH_SIZEOF_QUAD_T | |
491 | if test $bash_cv_sizeof_rlim_cur = $ac_cv_sizeof_long; then | |
492 | bash_cv_type_rlimit='unsigned long' | |
493 | elif test $bash_cv_sizeof_rlim_cur = $ac_cv_sizeof_long_long; then | |
494 | bash_cv_type_rlimit='unsigned long long' | |
495 | elif test $bash_cv_sizeof_rlim_cur = $ac_cv_sizeof_int; then | |
496 | bash_cv_type_rlimit='unsigned int' | |
497 | elif test $bash_cv_sizeof_rlim_cur = $bash_cv_sizeof_quad_t; then | |
498 | bash_cv_type_rlimit='quad_t' | |
499 | else | |
500 | bash_cv_type_rlimit='unsigned long' | |
ccc6cda3 | 501 | fi |
74091dd4 CR |
502 | ] |
503 | )]) | |
504 | AC_MSG_RESULT($bash_cv_type_rlimit) | |
505 | AC_DEFINE_UNQUOTED([RLIMTYPE], [$bash_cv_type_rlimit]) | |
ccc6cda3 JA |
506 | ]) |
507 | ||
17345e5a JA |
508 | AC_DEFUN(BASH_TYPE_SIG_ATOMIC_T, |
509 | [AC_CACHE_CHECK([for sig_atomic_t in signal.h], ac_cv_have_sig_atomic_t, | |
74091dd4 CR |
510 | [AC_LINK_IFELSE( |
511 | [AC_LANG_PROGRAM( | |
512 | [[ #include <signal.h> ]], | |
513 | [[ sig_atomic_t x; ]])], | |
514 | [ac_cv_have_sig_atomic_t=yes],[ac_cv_have_sig_atomic_t=no])]) | |
17345e5a JA |
515 | if test "$ac_cv_have_sig_atomic_t" = "no" |
516 | then | |
74091dd4 | 517 | BASH_CHECK_TYPE(sig_atomic_t, [#include <signal.h>], int) |
17345e5a JA |
518 | fi |
519 | ]) | |
520 | ||
ccc6cda3 JA |
521 | AC_DEFUN(BASH_FUNC_LSTAT, |
522 | [dnl Cannot use AC_CHECK_FUNCS(lstat) because Linux defines lstat() as an | |
523 | dnl inline function in <sys/stat.h>. | |
524 | AC_CACHE_CHECK([for lstat], bash_cv_func_lstat, | |
74091dd4 CR |
525 | [AC_LINK_IFELSE( |
526 | [AC_LANG_PROGRAM([[ | |
527 | #include <sys/types.h> | |
528 | #include <sys/stat.h> | |
529 | ]], | |
530 | [[ lstat(".",(struct stat *)0); ]])], | |
531 | [bash_cv_func_lstat=yes],[bash_cv_func_lstat=no])]) | |
ccc6cda3 JA |
532 | if test $bash_cv_func_lstat = yes; then |
533 | AC_DEFINE(HAVE_LSTAT) | |
534 | fi | |
535 | ]) | |
536 | ||
bb70624e JA |
537 | AC_DEFUN(BASH_FUNC_INET_ATON, |
538 | [ | |
539 | AC_CACHE_CHECK([for inet_aton], bash_cv_func_inet_aton, | |
74091dd4 | 540 | [AC_LINK_IFELSE([AC_LANG_PROGRAM([[ |
bb70624e JA |
541 | #include <sys/types.h> |
542 | #include <netinet/in.h> | |
543 | #include <arpa/inet.h> | |
74091dd4 CR |
544 | struct in_addr ap;]], [[ inet_aton("127.0.0.1", &ap); ]])], |
545 | [bash_cv_func_inet_aton=yes], [bash_cv_func_inet_aton=no])]) | |
bb70624e JA |
546 | if test $bash_cv_func_inet_aton = yes; then |
547 | AC_DEFINE(HAVE_INET_ATON) | |
f73dda09 JA |
548 | else |
549 | AC_LIBOBJ(inet_aton) | |
ccc6cda3 JA |
550 | fi |
551 | ]) | |
552 | ||
553 | AC_DEFUN(BASH_FUNC_GETENV, | |
554 | [AC_MSG_CHECKING(to see if getenv can be redefined) | |
555 | AC_CACHE_VAL(bash_cv_getenv_redef, | |
74091dd4 | 556 | [AC_RUN_IFELSE([AC_LANG_SOURCE([[ |
ccc6cda3 JA |
557 | #ifdef HAVE_UNISTD_H |
558 | # include <unistd.h> | |
559 | #endif | |
8868edaf | 560 | #include <stdlib.h> |
ccc6cda3 JA |
561 | #ifndef __STDC__ |
562 | # ifndef const | |
563 | # define const | |
564 | # endif | |
565 | #endif | |
566 | char * | |
567 | getenv (name) | |
568 | #if defined (__linux__) || defined (__bsdi__) || defined (convex) | |
569 | const char *name; | |
570 | #else | |
571 | char const *name; | |
572 | #endif /* !__linux__ && !__bsdi__ && !convex */ | |
573 | { | |
574 | return "42"; | |
575 | } | |
8868edaf | 576 | int |
ccc6cda3 JA |
577 | main() |
578 | { | |
579 | char *s; | |
580 | /* The next allows this program to run, but does not allow bash to link | |
581 | when it redefines getenv. I'm not really interested in figuring out | |
582 | why not. */ | |
583 | #if defined (NeXT) | |
584 | exit(1); | |
585 | #endif | |
586 | s = getenv("ABCDE"); | |
587 | exit(s == 0); /* force optimizer to leave getenv in */ | |
588 | } | |
74091dd4 | 589 | ]])], [bash_cv_getenv_redef=yes], [bash_cv_getenv_redef=no], |
b72432fd | 590 | [AC_MSG_WARN(cannot check getenv redefinition if cross compiling -- defaulting to yes) |
cce855bc JA |
591 | bash_cv_getenv_redef=yes] |
592 | )]) | |
ccc6cda3 JA |
593 | AC_MSG_RESULT($bash_cv_getenv_redef) |
594 | if test $bash_cv_getenv_redef = yes; then | |
595 | AC_DEFINE(CAN_REDEFINE_GETENV) | |
596 | fi | |
597 | ]) | |
598 | ||
7117c2d2 JA |
599 | # We should check for putenv before calling this |
600 | AC_DEFUN(BASH_FUNC_STD_PUTENV, | |
601 | [ | |
7117c2d2 JA |
602 | AC_REQUIRE([AC_C_PROTOTYPES]) |
603 | AC_CACHE_CHECK([for standard-conformant putenv declaration], bash_cv_std_putenv, | |
74091dd4 CR |
604 | [AC_LINK_IFELSE([AC_LANG_PROGRAM([[ |
605 | #if HAVE_STDLIB_H | |
7117c2d2 | 606 | #include <stdlib.h> |
74091dd4 CR |
607 | #endif |
608 | #if HAVE_STDDEF_H | |
7117c2d2 JA |
609 | #include <stddef.h> |
610 | #endif | |
611 | #ifndef __STDC__ | |
612 | # ifndef const | |
613 | # define const | |
614 | # endif | |
615 | #endif | |
616 | #ifdef PROTOTYPES | |
617 | extern int putenv (char *); | |
618 | #else | |
619 | extern int putenv (); | |
620 | #endif | |
74091dd4 CR |
621 | ]], [[return (putenv == 0);]] )], |
622 | [bash_cv_std_putenv=yes], [bash_cv_std_putenv=no] | |
7117c2d2 JA |
623 | )]) |
624 | if test $bash_cv_std_putenv = yes; then | |
625 | AC_DEFINE(HAVE_STD_PUTENV) | |
626 | fi | |
627 | ]) | |
628 | ||
629 | # We should check for unsetenv before calling this | |
630 | AC_DEFUN(BASH_FUNC_STD_UNSETENV, | |
631 | [ | |
7117c2d2 JA |
632 | AC_REQUIRE([AC_C_PROTOTYPES]) |
633 | AC_CACHE_CHECK([for standard-conformant unsetenv declaration], bash_cv_std_unsetenv, | |
74091dd4 CR |
634 | [AC_LINK_IFELSE([AC_LANG_PROGRAM([[ |
635 | #if HAVE_STDLIB_H | |
7117c2d2 | 636 | #include <stdlib.h> |
74091dd4 CR |
637 | #endif |
638 | #if HAVE_STDDEF_H | |
7117c2d2 JA |
639 | #include <stddef.h> |
640 | #endif | |
641 | #ifndef __STDC__ | |
642 | # ifndef const | |
643 | # define const | |
644 | # endif | |
645 | #endif | |
646 | #ifdef PROTOTYPES | |
647 | extern int unsetenv (const char *); | |
648 | #else | |
649 | extern int unsetenv (); | |
650 | #endif | |
74091dd4 CR |
651 | ]], [[return (unsetenv == 0);]] )], |
652 | [bash_cv_std_unsetenv=yes], [bash_cv_std_unsetenv=no] | |
7117c2d2 JA |
653 | )]) |
654 | if test $bash_cv_std_unsetenv = yes; then | |
655 | AC_DEFINE(HAVE_STD_UNSETENV) | |
656 | fi | |
657 | ]) | |
658 | ||
ccc6cda3 JA |
659 | AC_DEFUN(BASH_FUNC_ULIMIT_MAXFDS, |
660 | [AC_MSG_CHECKING(whether ulimit can substitute for getdtablesize) | |
661 | AC_CACHE_VAL(bash_cv_ulimit_maxfds, | |
74091dd4 | 662 | [AC_RUN_IFELSE([AC_LANG_SOURCE([[ |
8868edaf CR |
663 | #include <stdlib.h> |
664 | #ifdef HAVE_ULIMIT_H | |
665 | #include <ulimit.h> | |
666 | #endif | |
667 | int | |
ccc6cda3 JA |
668 | main() |
669 | { | |
670 | long maxfds = ulimit(4, 0L); | |
671 | exit (maxfds == -1L); | |
672 | } | |
74091dd4 | 673 | ]])], [bash_cv_ulimit_maxfds=yes], [bash_cv_ulimit_maxfds=no], |
b72432fd | 674 | [AC_MSG_WARN(cannot check ulimit if cross compiling -- defaulting to no) |
cce855bc JA |
675 | bash_cv_ulimit_maxfds=no] |
676 | )]) | |
ccc6cda3 JA |
677 | AC_MSG_RESULT($bash_cv_ulimit_maxfds) |
678 | if test $bash_cv_ulimit_maxfds = yes; then | |
679 | AC_DEFINE(ULIMIT_MAXFDS) | |
680 | fi | |
681 | ]) | |
682 | ||
ccc6cda3 | 683 | AC_DEFUN(BASH_FUNC_GETCWD, |
3185942a | 684 | [AC_MSG_CHECKING([if getcwd() will dynamically allocate memory with 0 size]) |
b80f6443 | 685 | AC_CACHE_VAL(bash_cv_getcwd_malloc, |
74091dd4 | 686 | [AC_RUN_IFELSE([AC_LANG_SOURCE([[ |
ccc6cda3 JA |
687 | #include <stdio.h> |
688 | #ifdef HAVE_UNISTD_H | |
689 | #include <unistd.h> | |
690 | #endif | |
8868edaf | 691 | #include <stdlib.h> |
ccc6cda3 | 692 | |
8868edaf | 693 | int |
ccc6cda3 JA |
694 | main() |
695 | { | |
b80f6443 JA |
696 | char *xpwd; |
697 | xpwd = getcwd(0, 0); | |
698 | exit (xpwd == 0); | |
ccc6cda3 | 699 | } |
74091dd4 | 700 | ]])], [bash_cv_getcwd_malloc=yes], [bash_cv_getcwd_malloc=no], |
b80f6443 JA |
701 | [AC_MSG_WARN(cannot check whether getcwd allocates memory when cross-compiling -- defaulting to no) |
702 | bash_cv_getcwd_malloc=no] | |
cce855bc | 703 | )]) |
b80f6443 JA |
704 | AC_MSG_RESULT($bash_cv_getcwd_malloc) |
705 | if test $bash_cv_getcwd_malloc = no; then | |
ccc6cda3 | 706 | AC_DEFINE(GETCWD_BROKEN) |
f73dda09 JA |
707 | AC_LIBOBJ(getcwd) |
708 | fi | |
709 | ]) | |
710 | ||
711 | dnl | |
712 | dnl This needs BASH_CHECK_SOCKLIB, but since that's not called on every | |
74091dd4 | 713 | dnl system, we can't use AC_PREREQ. Only called if we need the socket library |
f73dda09 JA |
714 | dnl |
715 | AC_DEFUN(BASH_FUNC_GETHOSTBYNAME, | |
716 | [if test "X$bash_cv_have_gethostbyname" = "X"; then | |
717 | _bash_needmsg=yes | |
718 | else | |
719 | AC_MSG_CHECKING(for gethostbyname in socket library) | |
720 | _bash_needmsg= | |
721 | fi | |
722 | AC_CACHE_VAL(bash_cv_have_gethostbyname, | |
74091dd4 CR |
723 | [AC_LINK_IFELSE([AC_LANG_PROGRAM([[ |
724 | #include <netdb.h> | |
725 | ]], [[ | |
726 | struct hostent *hp; | |
727 | hp = gethostbyname("localhost"); | |
728 | ]] )], | |
729 | [bash_cv_have_gethostbyname=yes], [bash_cv_have_gethostbyname=no] | |
730 | )]) | |
f73dda09 JA |
731 | if test "X$_bash_needmsg" = Xyes; then |
732 | AC_MSG_CHECKING(for gethostbyname in socket library) | |
733 | fi | |
734 | AC_MSG_RESULT($bash_cv_have_gethostbyname) | |
735 | if test "$bash_cv_have_gethostbyname" = yes; then | |
736 | AC_DEFINE(HAVE_GETHOSTBYNAME) | |
737 | fi | |
738 | ]) | |
739 | ||
740 | AC_DEFUN(BASH_FUNC_FNMATCH_EXTMATCH, | |
741 | [AC_MSG_CHECKING(if fnmatch does extended pattern matching with FNM_EXTMATCH) | |
742 | AC_CACHE_VAL(bash_cv_fnm_extmatch, | |
74091dd4 | 743 | [AC_RUN_IFELSE([AC_LANG_SOURCE([[ |
f73dda09 JA |
744 | #include <fnmatch.h> |
745 | ||
8868edaf | 746 | int |
f73dda09 JA |
747 | main() |
748 | { | |
749 | #ifdef FNM_EXTMATCH | |
8868edaf | 750 | return (0); |
f73dda09 | 751 | #else |
8868edaf | 752 | return (1); |
f73dda09 JA |
753 | #endif |
754 | } | |
74091dd4 | 755 | ]])], [bash_cv_fnm_extmatch=yes], [bash_cv_fnm_extmatch=no], |
f73dda09 | 756 | [AC_MSG_WARN(cannot check FNM_EXTMATCH if cross compiling -- defaulting to no) |
74091dd4 CR |
757 | bash_cv_fnm_extmatch=no] |
758 | )]) | |
f73dda09 JA |
759 | AC_MSG_RESULT($bash_cv_fnm_extmatch) |
760 | if test $bash_cv_fnm_extmatch = yes; then | |
761 | AC_DEFINE(HAVE_LIBC_FNM_EXTMATCH) | |
762 | fi | |
763 | ]) | |
764 | ||
765 | AC_DEFUN(BASH_FUNC_POSIX_SETJMP, | |
766 | [AC_REQUIRE([BASH_SYS_SIGNAL_VINTAGE]) | |
767 | AC_MSG_CHECKING(for presence of POSIX-style sigsetjmp/siglongjmp) | |
768 | AC_CACHE_VAL(bash_cv_func_sigsetjmp, | |
74091dd4 | 769 | [AC_RUN_IFELSE([AC_LANG_SOURCE([[ |
f73dda09 JA |
770 | #ifdef HAVE_UNISTD_H |
771 | #include <unistd.h> | |
772 | #endif | |
773 | #include <sys/types.h> | |
774 | #include <signal.h> | |
775 | #include <setjmp.h> | |
8868edaf | 776 | #include <stdlib.h> |
f73dda09 | 777 | |
8868edaf | 778 | int |
f73dda09 JA |
779 | main() |
780 | { | |
781 | #if !defined (_POSIX_VERSION) || !defined (HAVE_POSIX_SIGNALS) | |
782 | exit (1); | |
783 | #else | |
784 | ||
785 | int code; | |
74091dd4 | 786 | sigset_t set, oset, nset; |
f73dda09 JA |
787 | sigjmp_buf xx; |
788 | ||
789 | /* get the mask */ | |
790 | sigemptyset(&set); | |
791 | sigemptyset(&oset); | |
74091dd4 | 792 | |
f73dda09 | 793 | sigprocmask(SIG_BLOCK, (sigset_t *)NULL, &oset); |
74091dd4 CR |
794 | /* paranoia -- make sure SIGINT is not blocked */ |
795 | sigdelset (&oset, SIGINT); | |
796 | sigprocmask (SIG_SETMASK, &oset, (sigset_t *)NULL); | |
f73dda09 JA |
797 | |
798 | /* save it */ | |
799 | code = sigsetjmp(xx, 1); | |
800 | if (code) | |
74091dd4 CR |
801 | { |
802 | sigprocmask(SIG_BLOCK, (sigset_t *)NULL, &nset); | |
803 | /* could compare nset to oset here, but we just look for SIGINT */ | |
804 | if (sigismember (&nset, SIGINT)) | |
805 | exit(1); | |
806 | exit(0); | |
807 | } | |
f73dda09 | 808 | |
74091dd4 | 809 | /* change it so that SIGINT is blocked */ |
f73dda09 JA |
810 | sigaddset(&set, SIGINT); |
811 | sigprocmask(SIG_BLOCK, &set, (sigset_t *)NULL); | |
812 | ||
813 | /* and siglongjmp */ | |
814 | siglongjmp(xx, 10); | |
815 | exit(1); | |
816 | #endif | |
74091dd4 CR |
817 | } |
818 | ]])], [bash_cv_func_sigsetjmp=present], [bash_cv_func_sigsetjmp=missing], | |
819 | [AC_MSG_WARN(cannot check for sigsetjmp/siglongjmp if cross-compiling -- defaulting to $bash_cv_posix_signals) | |
820 | if test "$bash_cv_posix_signals" = "yes" ; then | |
821 | bash_cv_func_sigsetjmp=present | |
822 | else | |
823 | bash_cv_func_sigsetjmp=missing | |
824 | fi] | |
f73dda09 JA |
825 | )]) |
826 | AC_MSG_RESULT($bash_cv_func_sigsetjmp) | |
827 | if test $bash_cv_func_sigsetjmp = present; then | |
828 | AC_DEFINE(HAVE_POSIX_SIGSETJMP) | |
829 | fi | |
830 | ]) | |
831 | ||
832 | AC_DEFUN(BASH_FUNC_STRCOLL, | |
74091dd4 | 833 | [AC_MSG_CHECKING(whether or not strcoll and strcmp differ) |
f73dda09 | 834 | AC_CACHE_VAL(bash_cv_func_strcoll_broken, |
74091dd4 | 835 | [AC_RUN_IFELSE([AC_LANG_SOURCE([[ |
f73dda09 JA |
836 | #include <stdio.h> |
837 | #if defined (HAVE_LOCALE_H) | |
838 | #include <locale.h> | |
839 | #endif | |
8868edaf CR |
840 | #include <string.h> |
841 | #include <stdlib.h> | |
f73dda09 | 842 | |
8868edaf | 843 | int |
f73dda09 JA |
844 | main(c, v) |
845 | int c; | |
846 | char *v[]; | |
847 | { | |
848 | int r1, r2; | |
849 | char *deflocale, *defcoll; | |
850 | ||
851 | #ifdef HAVE_SETLOCALE | |
852 | deflocale = setlocale(LC_ALL, ""); | |
853 | defcoll = setlocale(LC_COLLATE, ""); | |
854 | #endif | |
855 | ||
856 | #ifdef HAVE_STRCOLL | |
857 | /* These two values are taken from tests/glob-test. */ | |
858 | r1 = strcoll("abd", "aXd"); | |
859 | #else | |
860 | r1 = 0; | |
861 | #endif | |
862 | r2 = strcmp("abd", "aXd"); | |
863 | ||
864 | /* These two should both be greater than 0. It is permissible for | |
865 | a system to return different values, as long as the sign is the | |
866 | same. */ | |
867 | ||
868 | /* Exit with 1 (failure) if these two values are both > 0, since | |
869 | this tests whether strcoll(3) is broken with respect to strcmp(3) | |
870 | in the default locale. */ | |
871 | exit (r1 > 0 && r2 > 0); | |
872 | } | |
74091dd4 | 873 | ]])], [bash_cv_func_strcoll_broken=yes], [bash_cv_func_strcoll_broken=no], |
f73dda09 JA |
874 | [AC_MSG_WARN(cannot check strcoll if cross compiling -- defaulting to no) |
875 | bash_cv_func_strcoll_broken=no] | |
876 | )]) | |
877 | AC_MSG_RESULT($bash_cv_func_strcoll_broken) | |
878 | if test $bash_cv_func_strcoll_broken = yes; then | |
879 | AC_DEFINE(STRCOLL_BROKEN) | |
880 | fi | |
881 | ]) | |
882 | ||
883 | AC_DEFUN(BASH_FUNC_PRINTF_A_FORMAT, | |
884 | [AC_MSG_CHECKING([for printf floating point output in hex notation]) | |
885 | AC_CACHE_VAL(bash_cv_printf_a_format, | |
74091dd4 | 886 | [AC_RUN_IFELSE([AC_LANG_SOURCE([[ |
f73dda09 JA |
887 | #include <stdio.h> |
888 | #include <string.h> | |
8868edaf | 889 | #include <stdlib.h> |
f73dda09 JA |
890 | |
891 | int | |
892 | main() | |
893 | { | |
894 | double y = 0.0; | |
895 | char abuf[1024]; | |
896 | ||
897 | sprintf(abuf, "%A", y); | |
898 | exit(strchr(abuf, 'P') == (char *)0); | |
899 | } | |
74091dd4 | 900 | ]])], [bash_cv_printf_a_format=yes], [bash_cv_printf_a_format=no], |
f73dda09 JA |
901 | [AC_MSG_WARN(cannot check printf if cross compiling -- defaulting to no) |
902 | bash_cv_printf_a_format=no] | |
903 | )]) | |
904 | AC_MSG_RESULT($bash_cv_printf_a_format) | |
905 | if test $bash_cv_printf_a_format = yes; then | |
906 | AC_DEFINE(HAVE_PRINTF_A_FORMAT) | |
907 | fi | |
908 | ]) | |
909 | ||
910 | AC_DEFUN(BASH_STRUCT_TERMIOS_LDISC, | |
911 | [ | |
912 | AC_CHECK_MEMBER(struct termios.c_line, AC_DEFINE(TERMIOS_LDISC), ,[ | |
913 | #include <sys/types.h> | |
914 | #include <termios.h> | |
915 | ]) | |
916 | ]) | |
917 | ||
918 | AC_DEFUN(BASH_STRUCT_TERMIO_LDISC, | |
919 | [ | |
920 | AC_CHECK_MEMBER(struct termio.c_line, AC_DEFINE(TERMIO_LDISC), ,[ | |
921 | #include <sys/types.h> | |
922 | #include <termio.h> | |
923 | ]) | |
924 | ]) | |
925 | ||
926 | dnl | |
927 | dnl Like AC_STRUCT_ST_BLOCKS, but doesn't muck with LIBOBJS | |
928 | dnl | |
929 | dnl sets bash_cv_struct_stat_st_blocks | |
930 | dnl | |
931 | dnl unused for now; we'll see how AC_CHECK_MEMBERS works | |
932 | dnl | |
933 | AC_DEFUN(BASH_STRUCT_ST_BLOCKS, | |
934 | [ | |
935 | AC_MSG_CHECKING([for struct stat.st_blocks]) | |
936 | AC_CACHE_VAL(bash_cv_struct_stat_st_blocks, | |
74091dd4 | 937 | [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ |
f73dda09 JA |
938 | #include <sys/types.h> |
939 | #include <sys/stat.h> | |
74091dd4 | 940 | ]], [[ |
8868edaf | 941 | int |
f73dda09 JA |
942 | main() |
943 | { | |
944 | static struct stat a; | |
945 | if (a.st_blocks) return 0; | |
946 | return 0; | |
947 | } | |
74091dd4 | 948 | ]])], [bash_cv_struct_stat_st_blocks=yes], [bash_cv_struct_stat_st_blocks=no]) |
f73dda09 JA |
949 | ]) |
950 | AC_MSG_RESULT($bash_cv_struct_stat_st_blocks) | |
951 | if test "$bash_cv_struct_stat_st_blocks" = "yes"; then | |
952 | AC_DEFINE(HAVE_STRUCT_STAT_ST_BLOCKS) | |
953 | fi | |
954 | ]) | |
955 | ||
0628567a | 956 | AC_DEFUN([BASH_CHECK_LIB_TERMCAP], |
f73dda09 JA |
957 | [ |
958 | if test "X$bash_cv_termcap_lib" = "X"; then | |
959 | _bash_needmsg=yes | |
960 | else | |
961 | AC_MSG_CHECKING(which library has the termcap functions) | |
962 | _bash_needmsg= | |
963 | fi | |
964 | AC_CACHE_VAL(bash_cv_termcap_lib, | |
b80f6443 JA |
965 | [AC_CHECK_FUNC(tgetent, bash_cv_termcap_lib=libc, |
966 | [AC_CHECK_LIB(termcap, tgetent, bash_cv_termcap_lib=libtermcap, | |
7117c2d2 | 967 | [AC_CHECK_LIB(tinfo, tgetent, bash_cv_termcap_lib=libtinfo, |
f73dda09 JA |
968 | [AC_CHECK_LIB(curses, tgetent, bash_cv_termcap_lib=libcurses, |
969 | [AC_CHECK_LIB(ncurses, tgetent, bash_cv_termcap_lib=libncurses, | |
d233b485 CR |
970 | [AC_CHECK_LIB(ncursesw, tgetent, bash_cv_termcap_lib=libncursesw, |
971 | bash_cv_termcap_lib=gnutermcap)])])])])])]) | |
f73dda09 JA |
972 | if test "X$_bash_needmsg" = "Xyes"; then |
973 | AC_MSG_CHECKING(which library has the termcap functions) | |
974 | fi | |
975 | AC_MSG_RESULT(using $bash_cv_termcap_lib) | |
976 | if test $bash_cv_termcap_lib = gnutermcap && test -z "$prefer_curses"; then | |
977 | LDFLAGS="$LDFLAGS -L./lib/termcap" | |
978 | TERMCAP_LIB="./lib/termcap/libtermcap.a" | |
979 | TERMCAP_DEP="./lib/termcap/libtermcap.a" | |
980 | elif test $bash_cv_termcap_lib = libtermcap && test -z "$prefer_curses"; then | |
981 | TERMCAP_LIB=-ltermcap | |
982 | TERMCAP_DEP= | |
983 | elif test $bash_cv_termcap_lib = libtinfo; then | |
984 | TERMCAP_LIB=-ltinfo | |
985 | TERMCAP_DEP= | |
986 | elif test $bash_cv_termcap_lib = libncurses; then | |
987 | TERMCAP_LIB=-lncurses | |
988 | TERMCAP_DEP= | |
b80f6443 JA |
989 | elif test $bash_cv_termcap_lib = libc; then |
990 | TERMCAP_LIB= | |
991 | TERMCAP_DEP= | |
f73dda09 | 992 | else |
74091dd4 CR |
993 | # we assume ncurses is installed somewhere the linker can find it |
994 | TERMCAP_LIB=-lncurses | |
f73dda09 JA |
995 | TERMCAP_DEP= |
996 | fi | |
997 | ]) | |
998 | ||
999 | dnl | |
1000 | dnl Check for the presence of getpeername in libsocket. | |
1001 | dnl If libsocket is present, check for libnsl and add it to LIBS if | |
1002 | dnl it's there, since most systems with libsocket require linking | |
1003 | dnl with libnsl as well. This should only be called if getpeername | |
1004 | dnl was not found in libc. | |
1005 | dnl | |
1006 | dnl NOTE: IF WE FIND GETPEERNAME, WE ASSUME THAT WE HAVE BIND/CONNECT | |
1007 | dnl AS WELL | |
1008 | dnl | |
1009 | AC_DEFUN(BASH_CHECK_LIB_SOCKET, | |
1010 | [ | |
1011 | if test "X$bash_cv_have_socklib" = "X"; then | |
1012 | _bash_needmsg= | |
1013 | else | |
1014 | AC_MSG_CHECKING(for socket library) | |
1015 | _bash_needmsg=yes | |
1016 | fi | |
1017 | AC_CACHE_VAL(bash_cv_have_socklib, | |
1018 | [AC_CHECK_LIB(socket, getpeername, | |
1019 | bash_cv_have_socklib=yes, bash_cv_have_socklib=no, -lnsl)]) | |
1020 | if test "X$_bash_needmsg" = Xyes; then | |
1021 | AC_MSG_RESULT($bash_cv_have_socklib) | |
1022 | _bash_needmsg= | |
1023 | fi | |
1024 | if test $bash_cv_have_socklib = yes; then | |
1025 | # check for libnsl, add it to LIBS if present | |
1026 | if test "X$bash_cv_have_libnsl" = "X"; then | |
1027 | _bash_needmsg= | |
1028 | else | |
1029 | AC_MSG_CHECKING(for libnsl) | |
1030 | _bash_needmsg=yes | |
1031 | fi | |
1032 | AC_CACHE_VAL(bash_cv_have_libnsl, | |
1033 | [AC_CHECK_LIB(nsl, t_open, | |
1034 | bash_cv_have_libnsl=yes, bash_cv_have_libnsl=no)]) | |
1035 | if test "X$_bash_needmsg" = Xyes; then | |
1036 | AC_MSG_RESULT($bash_cv_have_libnsl) | |
1037 | _bash_needmsg= | |
1038 | fi | |
1039 | if test $bash_cv_have_libnsl = yes; then | |
1040 | LIBS="-lsocket -lnsl $LIBS" | |
1041 | else | |
1042 | LIBS="-lsocket $LIBS" | |
1043 | fi | |
1044 | AC_DEFINE(HAVE_LIBSOCKET) | |
1045 | AC_DEFINE(HAVE_GETPEERNAME) | |
ccc6cda3 JA |
1046 | fi |
1047 | ]) | |
1048 | ||
74091dd4 CR |
1049 | dnl like _AC_STRUCT_DIRENT(MEMBER) but public |
1050 | AC_DEFUN(BASH_STRUCT_DIRENT, | |
1051 | [ | |
1052 | AC_REQUIRE([AC_HEADER_DIRENT]) | |
1053 | AC_CHECK_MEMBERS(struct dirent.$1, bash_cv_dirent_has_$1=yes, bash_cv_dirent_has_$1=no, | |
1054 | [[ | |
ccc6cda3 JA |
1055 | #include <stdio.h> |
1056 | #include <sys/types.h> | |
1057 | #ifdef HAVE_UNISTD_H | |
1058 | # include <unistd.h> | |
1059 | #endif /* HAVE_UNISTD_H */ | |
1060 | #if defined(HAVE_DIRENT_H) | |
1061 | # include <dirent.h> | |
1062 | #else | |
1063 | # define dirent direct | |
1064 | # ifdef HAVE_SYS_NDIR_H | |
1065 | # include <sys/ndir.h> | |
1066 | # endif /* SYSNDIR */ | |
1067 | # ifdef HAVE_SYS_DIR_H | |
1068 | # include <sys/dir.h> | |
1069 | # endif /* SYSDIR */ | |
1070 | # ifdef HAVE_NDIR_H | |
1071 | # include <ndir.h> | |
1072 | # endif | |
1073 | #endif /* HAVE_DIRENT_H */ | |
74091dd4 CR |
1074 | ]]) |
1075 | ]) | |
1076 | ||
1077 | AC_DEFUN(BASH_STRUCT_DIRENT_D_INO, | |
1078 | [AC_REQUIRE([AC_HEADER_DIRENT]) | |
1079 | AC_MSG_CHECKING(for struct dirent.d_ino) | |
1080 | AC_CACHE_VAL(bash_cv_dirent_has_d_ino, [BASH_STRUCT_DIRENT([d_ino])]) | |
1081 | AC_MSG_RESULT($bash_cv_dirent_has_d_ino) | |
1082 | if test $bash_cv_dirent_has_d_ino = yes; then | |
b80f6443 | 1083 | AC_DEFINE(HAVE_STRUCT_DIRENT_D_INO) |
ccc6cda3 JA |
1084 | fi |
1085 | ]) | |
1086 | ||
d166f048 JA |
1087 | AC_DEFUN(BASH_STRUCT_DIRENT_D_FILENO, |
1088 | [AC_REQUIRE([AC_HEADER_DIRENT]) | |
b80f6443 | 1089 | AC_MSG_CHECKING(for struct dirent.d_fileno) |
74091dd4 | 1090 | AC_CACHE_VAL(bash_cv_dirent_has_d_fileno, [BASH_STRUCT_DIRENT([d_fileno])]) |
d166f048 JA |
1091 | AC_MSG_RESULT($bash_cv_dirent_has_d_fileno) |
1092 | if test $bash_cv_dirent_has_d_fileno = yes; then | |
b80f6443 JA |
1093 | AC_DEFINE(HAVE_STRUCT_DIRENT_D_FILENO) |
1094 | fi | |
1095 | ]) | |
1096 | ||
1097 | AC_DEFUN(BASH_STRUCT_DIRENT_D_NAMLEN, | |
1098 | [AC_REQUIRE([AC_HEADER_DIRENT]) | |
1099 | AC_MSG_CHECKING(for struct dirent.d_namlen) | |
74091dd4 | 1100 | AC_CACHE_VAL(bash_cv_dirent_has_d_namlen, [BASH_STRUCT_DIRENT([d_namlen])]) |
b80f6443 JA |
1101 | AC_MSG_RESULT($bash_cv_dirent_has_d_namlen) |
1102 | if test $bash_cv_dirent_has_d_namlen = yes; then | |
1103 | AC_DEFINE(HAVE_STRUCT_DIRENT_D_NAMLEN) | |
d166f048 JA |
1104 | fi |
1105 | ]) | |
1106 | ||
f73dda09 JA |
1107 | AC_DEFUN(BASH_STRUCT_TIMEVAL, |
1108 | [AC_MSG_CHECKING(for struct timeval in sys/time.h and time.h) | |
1109 | AC_CACHE_VAL(bash_cv_struct_timeval, | |
8868edaf CR |
1110 | [AC_COMPILE_IFELSE( |
1111 | [AC_LANG_PROGRAM( | |
1112 | [[#if HAVE_SYS_TIME_H | |
1113 | #include <sys/time.h> | |
1114 | #endif | |
1115 | #include <time.h> | |
1116 | ]], | |
1117 | [[static struct timeval x; x.tv_sec = x.tv_usec;]] | |
1118 | )], | |
1119 | bash_cv_struct_timeval=yes, | |
1120 | bash_cv_struct_timeval=no) | |
f73dda09 JA |
1121 | ]) |
1122 | AC_MSG_RESULT($bash_cv_struct_timeval) | |
1123 | if test $bash_cv_struct_timeval = yes; then | |
1124 | AC_DEFINE(HAVE_TIMEVAL) | |
1125 | fi | |
1126 | ]) | |
1127 | ||
b80f6443 JA |
1128 | AC_DEFUN(BASH_STRUCT_TIMEZONE, |
1129 | [AC_MSG_CHECKING(for struct timezone in sys/time.h and time.h) | |
1130 | AC_CACHE_VAL(bash_cv_struct_timezone, | |
1131 | [ | |
1132 | AC_EGREP_HEADER(struct timezone, sys/time.h, | |
1133 | bash_cv_struct_timezone=yes, | |
1134 | AC_EGREP_HEADER(struct timezone, time.h, | |
1135 | bash_cv_struct_timezone=yes, | |
1136 | bash_cv_struct_timezone=no)) | |
1137 | ]) | |
1138 | AC_MSG_RESULT($bash_cv_struct_timezone) | |
1139 | if test $bash_cv_struct_timezone = yes; then | |
1140 | AC_DEFINE(HAVE_STRUCT_TIMEZONE) | |
1141 | fi | |
1142 | ]) | |
1143 | ||
74091dd4 CR |
1144 | AC_DEFUN(BASH_CHECK_WINSIZE_IOCTL, |
1145 | [AC_CACHE_VAL(bash_cv_struct_winsize_ioctl, | |
1146 | [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ | |
1147 | #include <sys/types.h> | |
1148 | #include <sys/ioctl.h> | |
1149 | ]], | |
1150 | [[ | |
1151 | struct winsize x; | |
1152 | if (sizeof (x) > 0) return (0); | |
1153 | ]] )], [bash_cv_struct_winsize_ioctl=yes], [bash_cv_struct_winsize_ioctl=no]) | |
1154 | ]) | |
1155 | ]) | |
1156 | ||
1157 | AC_DEFUN(BASH_CHECK_WINSIZE_TERMIOS, | |
1158 | [AC_CACHE_VAL(bash_cv_struct_winsize_termios, | |
1159 | [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ | |
1160 | #include <sys/types.h> | |
1161 | #include <sys/termios.h> | |
1162 | ]], | |
1163 | [[ | |
1164 | struct winsize x; | |
1165 | if (sizeof (x) > 0) return (0); | |
1166 | ]] )], [bash_cv_struct_winsize_termios=yes], [bash_cv_struct_winsize_termios=no]) | |
1167 | ]) | |
1168 | ]) | |
1169 | ||
f73dda09 JA |
1170 | AC_DEFUN(BASH_STRUCT_WINSIZE, |
1171 | [AC_MSG_CHECKING(for struct winsize in sys/ioctl.h and termios.h) | |
1172 | AC_CACHE_VAL(bash_cv_struct_winsize_header, | |
74091dd4 CR |
1173 | [ |
1174 | BASH_CHECK_WINSIZE_IOCTL | |
1175 | BASH_CHECK_WINSIZE_TERMIOS | |
1176 | ||
1177 | if test $bash_cv_struct_winsize_ioctl = yes; then | |
1178 | bash_cv_struct_winsize_header=ioctl_h | |
1179 | elif test $bash_cv_struct_winsize_termios = yes; then | |
1180 | bash_cv_struct_winsize_header=termios_h | |
1181 | else | |
1182 | bash_cv_struct_winsize_header=other | |
1183 | fi | |
1184 | ]) | |
f73dda09 JA |
1185 | if test $bash_cv_struct_winsize_header = ioctl_h; then |
1186 | AC_MSG_RESULT(sys/ioctl.h) | |
1187 | AC_DEFINE(STRUCT_WINSIZE_IN_SYS_IOCTL) | |
1188 | elif test $bash_cv_struct_winsize_header = termios_h; then | |
1189 | AC_MSG_RESULT(termios.h) | |
1190 | AC_DEFINE(STRUCT_WINSIZE_IN_TERMIOS) | |
1191 | else | |
1192 | AC_MSG_RESULT(not found) | |
1193 | fi | |
1194 | ]) | |
1195 | ||
74091dd4 CR |
1196 | AC_DEFUN(BASH_HAVE_POSIX_SIGNALS, |
1197 | [AC_CACHE_VAL(bash_cv_posix_signals, | |
1198 | [AC_LINK_IFELSE([AC_LANG_PROGRAM([[ | |
1199 | #include <signal.h> | |
1200 | ]], [[ | |
f73dda09 JA |
1201 | sigset_t ss; |
1202 | struct sigaction sa; | |
1203 | sigemptyset(&ss); sigsuspend(&ss); | |
1204 | sigaction(SIGINT, &sa, (struct sigaction *) 0); | |
1205 | sigprocmask(SIG_BLOCK, &ss, (sigset_t *) 0); | |
74091dd4 CR |
1206 | ]] )], |
1207 | [bash_cv_posix_signals=yes], [bash_cv_posix_signals=no] | |
1208 | )]) | |
1209 | ]) | |
1210 | ||
1211 | AC_DEFUN(BASH_HAVE_BSD_SIGNALS, | |
1212 | [AC_CACHE_VAL(bash_cv_bsd_signals, | |
1213 | [AC_LINK_IFELSE([AC_LANG_PROGRAM([[ | |
1214 | #include <signal.h> | |
1215 | ]], [[ | |
1216 | int mask = sigmask(SIGINT); | |
1217 | sigsetmask(mask); sigblock(mask); sigpause(mask); | |
1218 | ]] )], | |
1219 | [bash_cv_bsd_signals=yes], [bash_cv_bsd_signals=no] | |
1220 | )]) | |
1221 | ]) | |
1222 | ||
1223 | AC_DEFUN(BASH_HAVE_SYSV_SIGNALS, | |
1224 | [AC_CACHE_VAL(bash_cv_sysv_signals, | |
1225 | [AC_LINK_IFELSE([AC_LANG_PROGRAM([[ | |
1226 | #include <signal.h> | |
1227 | void foo() { } | |
1228 | ]], [[ | |
1229 | int mask = sigmask(SIGINT); | |
1230 | sigset(SIGINT, foo); sigrelse(SIGINT); | |
1231 | sighold(SIGINT); sigpause(SIGINT); | |
1232 | ]] )], | |
1233 | [bash_cv_sysv_signals=yes], [bash_cv_sysv_signals=no] | |
1234 | )]) | |
1235 | ]) | |
1236 | ||
1237 | dnl Check type of signal routines (posix, 4.2bsd, 4.1bsd or v7) | |
1238 | AC_DEFUN(BASH_SYS_SIGNAL_VINTAGE, | |
1239 | [AC_MSG_CHECKING(for type of signal functions) | |
1240 | AC_CACHE_VAL(bash_cv_signal_vintage, | |
1241 | [ | |
1242 | BASH_HAVE_POSIX_SIGNALS | |
1243 | if test $bash_cv_posix_signals = yes; then | |
1244 | bash_cv_signal_vintage=posix | |
1245 | else | |
1246 | BASH_HAVE_BSD_SIGNALS | |
1247 | if test $bash_cv_bsd_signals = yes; then | |
1248 | bash_cv_signal_vintage=4.2bsd | |
1249 | else | |
1250 | BASH_HAVE_SYSV_SIGNALS | |
1251 | if test $bash_cv_sysv_signals = yes; then | |
1252 | bash_cv_signal_vintage=svr3 | |
1253 | else | |
1254 | bash_cv_signal_vintage=v7 | |
1255 | fi | |
1256 | fi | |
1257 | fi | |
f73dda09 JA |
1258 | ]) |
1259 | AC_MSG_RESULT($bash_cv_signal_vintage) | |
1260 | if test "$bash_cv_signal_vintage" = posix; then | |
1261 | AC_DEFINE(HAVE_POSIX_SIGNALS) | |
1262 | elif test "$bash_cv_signal_vintage" = "4.2bsd"; then | |
1263 | AC_DEFINE(HAVE_BSD_SIGNALS) | |
1264 | elif test "$bash_cv_signal_vintage" = svr3; then | |
1265 | AC_DEFINE(HAVE_USG_SIGHOLD) | |
1266 | fi | |
1267 | ]) | |
1268 | ||
1269 | dnl Check if the pgrp of setpgrp() can't be the pid of a zombie process. | |
1270 | AC_DEFUN(BASH_SYS_PGRP_SYNC, | |
1271 | [AC_REQUIRE([AC_FUNC_GETPGRP]) | |
1272 | AC_MSG_CHECKING(whether pgrps need synchronization) | |
1273 | AC_CACHE_VAL(bash_cv_pgrp_pipe, | |
74091dd4 | 1274 | [AC_RUN_IFELSE([AC_LANG_SOURCE([[ |
f73dda09 JA |
1275 | #ifdef HAVE_UNISTD_H |
1276 | # include <unistd.h> | |
1277 | #endif | |
8868edaf CR |
1278 | #ifdef HAVE_SYS_WAIT_H |
1279 | # include <sys/wait.h> | |
1280 | #endif | |
1281 | #include <stdlib.h> | |
1282 | int | |
f73dda09 JA |
1283 | main() |
1284 | { | |
1285 | # ifdef GETPGRP_VOID | |
1286 | # define getpgID() getpgrp() | |
1287 | # else | |
1288 | # define getpgID() getpgrp(0) | |
1289 | # define setpgid(x,y) setpgrp(x,y) | |
1290 | # endif | |
1291 | int pid1, pid2, fds[2]; | |
1292 | int status; | |
1293 | char ok; | |
1294 | ||
1295 | switch (pid1 = fork()) { | |
1296 | case -1: | |
1297 | exit(1); | |
1298 | case 0: | |
1299 | setpgid(0, getpid()); | |
1300 | exit(0); | |
1301 | } | |
1302 | setpgid(pid1, pid1); | |
1303 | ||
1304 | sleep(2); /* let first child die */ | |
1305 | ||
1306 | if (pipe(fds) < 0) | |
1307 | exit(2); | |
1308 | ||
1309 | switch (pid2 = fork()) { | |
1310 | case -1: | |
1311 | exit(3); | |
1312 | case 0: | |
1313 | setpgid(0, pid1); | |
1314 | ok = getpgID() == pid1; | |
1315 | write(fds[1], &ok, 1); | |
1316 | exit(0); | |
1317 | } | |
1318 | setpgid(pid2, pid1); | |
1319 | ||
1320 | close(fds[1]); | |
1321 | if (read(fds[0], &ok, 1) != 1) | |
1322 | exit(4); | |
1323 | wait(&status); | |
1324 | wait(&status); | |
1325 | exit(ok ? 0 : 5); | |
1326 | } | |
74091dd4 | 1327 | ]])], [bash_cv_pgrp_pipe=no], [bash_cv_pgrp_pipe=yes], |
f73dda09 | 1328 | [AC_MSG_WARN(cannot check pgrp synchronization if cross compiling -- defaulting to no) |
74091dd4 CR |
1329 | bash_cv_pgrp_pipe=no] |
1330 | )]) | |
f73dda09 JA |
1331 | AC_MSG_RESULT($bash_cv_pgrp_pipe) |
1332 | if test $bash_cv_pgrp_pipe = yes; then | |
1333 | AC_DEFINE(PGRP_PIPE) | |
1334 | fi | |
1335 | ]) | |
1336 | ||
1337 | AC_DEFUN(BASH_SYS_REINSTALL_SIGHANDLERS, | |
74091dd4 | 1338 | [AC_REQUIRE([BASH_SYS_SIGNAL_VINTAGE]) |
ccc6cda3 JA |
1339 | AC_MSG_CHECKING([if signal handlers must be reinstalled when invoked]) |
1340 | AC_CACHE_VAL(bash_cv_must_reinstall_sighandlers, | |
74091dd4 | 1341 | [AC_RUN_IFELSE([AC_LANG_SOURCE([[ |
ccc6cda3 JA |
1342 | #include <signal.h> |
1343 | #ifdef HAVE_UNISTD_H | |
1344 | #include <unistd.h> | |
1345 | #endif | |
8868edaf | 1346 | #include <stdlib.h> |
ccc6cda3 | 1347 | |
74091dd4 | 1348 | typedef void sigfunc(); |
ccc6cda3 | 1349 | |
d233b485 | 1350 | volatile int nsigint; |
ccc6cda3 JA |
1351 | |
1352 | #ifdef HAVE_POSIX_SIGNALS | |
1353 | sigfunc * | |
1354 | set_signal_handler(sig, handler) | |
1355 | int sig; | |
1356 | sigfunc *handler; | |
1357 | { | |
1358 | struct sigaction act, oact; | |
1359 | act.sa_handler = handler; | |
1360 | act.sa_flags = 0; | |
1361 | sigemptyset (&act.sa_mask); | |
1362 | sigemptyset (&oact.sa_mask); | |
1363 | sigaction (sig, &act, &oact); | |
1364 | return (oact.sa_handler); | |
1365 | } | |
1366 | #else | |
1367 | #define set_signal_handler(s, h) signal(s, h) | |
1368 | #endif | |
1369 | ||
74091dd4 | 1370 | void |
ccc6cda3 JA |
1371 | sigint(s) |
1372 | int s; | |
1373 | { | |
1374 | nsigint++; | |
1375 | } | |
1376 | ||
8868edaf | 1377 | int |
ccc6cda3 JA |
1378 | main() |
1379 | { | |
1380 | nsigint = 0; | |
1381 | set_signal_handler(SIGINT, sigint); | |
1382 | kill((int)getpid(), SIGINT); | |
1383 | kill((int)getpid(), SIGINT); | |
1384 | exit(nsigint != 2); | |
1385 | } | |
74091dd4 | 1386 | ]])], [bash_cv_must_reinstall_sighandlers=no], [bash_cv_must_reinstall_sighandlers=yes], |
b72432fd | 1387 | [AC_MSG_WARN(cannot check signal handling if cross compiling -- defaulting to no) |
cce855bc JA |
1388 | bash_cv_must_reinstall_sighandlers=no] |
1389 | )]) | |
ccc6cda3 JA |
1390 | AC_MSG_RESULT($bash_cv_must_reinstall_sighandlers) |
1391 | if test $bash_cv_must_reinstall_sighandlers = yes; then | |
1392 | AC_DEFINE(MUST_REINSTALL_SIGHANDLERS) | |
1393 | fi | |
1394 | ]) | |
1395 | ||
ccc6cda3 | 1396 | dnl check that some necessary job control definitions are present |
f73dda09 JA |
1397 | AC_DEFUN(BASH_SYS_JOB_CONTROL_MISSING, |
1398 | [AC_REQUIRE([BASH_SYS_SIGNAL_VINTAGE]) | |
ccc6cda3 JA |
1399 | AC_MSG_CHECKING(for presence of necessary job control definitions) |
1400 | AC_CACHE_VAL(bash_cv_job_control_missing, | |
74091dd4 | 1401 | [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ |
ccc6cda3 JA |
1402 | #include <sys/types.h> |
1403 | #ifdef HAVE_SYS_WAIT_H | |
1404 | #include <sys/wait.h> | |
1405 | #endif | |
1406 | #ifdef HAVE_UNISTD_H | |
1407 | #include <unistd.h> | |
1408 | #endif | |
1409 | #include <signal.h> | |
1410 | ||
d233b485 CR |
1411 | /* add more tests in here as appropriate */ |
1412 | ||
ccc6cda3 JA |
1413 | /* signal type */ |
1414 | #if !defined (HAVE_POSIX_SIGNALS) && !defined (HAVE_BSD_SIGNALS) | |
d233b485 | 1415 | #error |
ccc6cda3 JA |
1416 | #endif |
1417 | ||
1418 | /* signals and tty control. */ | |
1419 | #if !defined (SIGTSTP) || !defined (SIGSTOP) || !defined (SIGCONT) | |
d233b485 | 1420 | #error |
ccc6cda3 JA |
1421 | #endif |
1422 | ||
1423 | /* process control */ | |
1424 | #if !defined (WNOHANG) || !defined (WUNTRACED) | |
d233b485 | 1425 | #error |
ccc6cda3 JA |
1426 | #endif |
1427 | ||
1428 | /* Posix systems have tcgetpgrp and waitpid. */ | |
1429 | #if defined (_POSIX_VERSION) && !defined (HAVE_TCGETPGRP) | |
d233b485 | 1430 | #error |
ccc6cda3 JA |
1431 | #endif |
1432 | ||
1433 | #if defined (_POSIX_VERSION) && !defined (HAVE_WAITPID) | |
d233b485 | 1434 | #error |
ccc6cda3 JA |
1435 | #endif |
1436 | ||
1437 | /* Other systems have TIOCSPGRP/TIOCGPRGP and wait3. */ | |
1438 | #if !defined (_POSIX_VERSION) && !defined (HAVE_WAIT3) | |
d233b485 | 1439 | #error |
ccc6cda3 JA |
1440 | #endif |
1441 | ||
74091dd4 CR |
1442 | ]], [[ int x; ]] )], |
1443 | [bash_cv_job_control_missing=present], [bash_cv_job_control_missing=missing] | |
cce855bc | 1444 | )]) |
ccc6cda3 JA |
1445 | AC_MSG_RESULT($bash_cv_job_control_missing) |
1446 | if test $bash_cv_job_control_missing = missing; then | |
1447 | AC_DEFINE(JOB_CONTROL_MISSING) | |
1448 | fi | |
1449 | ]) | |
1450 | ||
1451 | dnl check whether named pipes are present | |
1452 | dnl this requires a previous check for mkfifo, but that is awkward to specify | |
1453 | AC_DEFUN(BASH_SYS_NAMED_PIPES, | |
1454 | [AC_MSG_CHECKING(for presence of named pipes) | |
1455 | AC_CACHE_VAL(bash_cv_sys_named_pipes, | |
74091dd4 | 1456 | [AC_RUN_IFELSE([AC_LANG_SOURCE([[ |
ccc6cda3 JA |
1457 | #include <sys/types.h> |
1458 | #include <sys/stat.h> | |
1459 | #ifdef HAVE_UNISTD_H | |
1460 | #include <unistd.h> | |
1461 | #endif | |
8868edaf CR |
1462 | #include <stdio.h> |
1463 | #include <stdlib.h> | |
ccc6cda3 JA |
1464 | |
1465 | /* Add more tests in here as appropriate. */ | |
8868edaf | 1466 | int |
ccc6cda3 JA |
1467 | main() |
1468 | { | |
bb70624e | 1469 | int fd, err; |
ccc6cda3 JA |
1470 | |
1471 | #if defined (HAVE_MKFIFO) | |
1472 | exit (0); | |
1473 | #endif | |
1474 | ||
1475 | #if !defined (S_IFIFO) && (defined (_POSIX_VERSION) && !defined (S_ISFIFO)) | |
1476 | exit (1); | |
1477 | #endif | |
1478 | ||
1479 | #if defined (NeXT) | |
1480 | exit (1); | |
1481 | #endif | |
3185942a | 1482 | err = mkdir("bash-aclocal", 0700); |
bb70624e JA |
1483 | if (err < 0) { |
1484 | perror ("mkdir"); | |
1485 | exit(1); | |
1486 | } | |
3185942a | 1487 | fd = mknod ("bash-aclocal/sh-np-autoconf", 0666 | S_IFIFO, 0); |
bb70624e | 1488 | if (fd == -1) { |
3185942a | 1489 | rmdir ("bash-aclocal"); |
ccc6cda3 | 1490 | exit (1); |
bb70624e | 1491 | } |
ccc6cda3 | 1492 | close(fd); |
3185942a JA |
1493 | unlink ("bash-aclocal/sh-np-autoconf"); |
1494 | rmdir ("bash-aclocal"); | |
ccc6cda3 | 1495 | exit(0); |
74091dd4 CR |
1496 | } |
1497 | ]])], [bash_cv_sys_named_pipes=present], [bash_cv_sys_named_pipes=missing], | |
b72432fd | 1498 | [AC_MSG_WARN(cannot check for named pipes if cross-compiling -- defaulting to missing) |
cce855bc JA |
1499 | bash_cv_sys_named_pipes=missing] |
1500 | )]) | |
ccc6cda3 JA |
1501 | AC_MSG_RESULT($bash_cv_sys_named_pipes) |
1502 | if test $bash_cv_sys_named_pipes = missing; then | |
1503 | AC_DEFINE(NAMED_PIPES_MISSING) | |
1504 | fi | |
1505 | ]) | |
1506 | ||
f73dda09 JA |
1507 | AC_DEFUN(BASH_SYS_DEFAULT_MAIL_DIR, |
1508 | [AC_MSG_CHECKING(for default mail directory) | |
1509 | AC_CACHE_VAL(bash_cv_mail_dir, | |
1510 | [if test -d /var/mail; then | |
1511 | bash_cv_mail_dir=/var/mail | |
f73dda09 JA |
1512 | elif test -d /var/spool/mail; then |
1513 | bash_cv_mail_dir=/var/spool/mail | |
7117c2d2 JA |
1514 | elif test -d /usr/mail; then |
1515 | bash_cv_mail_dir=/usr/mail | |
f73dda09 JA |
1516 | elif test -d /usr/spool/mail; then |
1517 | bash_cv_mail_dir=/usr/spool/mail | |
1518 | else | |
1519 | bash_cv_mail_dir=unknown | |
1520 | fi | |
1521 | ]) | |
1522 | AC_MSG_RESULT($bash_cv_mail_dir) | |
7117c2d2 | 1523 | AC_DEFINE_UNQUOTED(DEFAULT_MAIL_DIRECTORY, "$bash_cv_mail_dir") |
ccc6cda3 JA |
1524 | ]) |
1525 | ||
1526 | AC_DEFUN(BASH_HAVE_TIOCGWINSZ, | |
1527 | [AC_MSG_CHECKING(for TIOCGWINSZ in sys/ioctl.h) | |
1528 | AC_CACHE_VAL(bash_cv_tiocgwinsz_in_ioctl, | |
74091dd4 CR |
1529 | [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ |
1530 | #include <sys/types.h> | |
1531 | #include <sys/ioctl.h>]], [[int x = TIOCGWINSZ;]] )], | |
1532 | [bash_cv_tiocgwinsz_in_ioctl=yes], [bash_cv_tiocgwinsz_in_ioctl=no] | |
1533 | )]) | |
ccc6cda3 JA |
1534 | AC_MSG_RESULT($bash_cv_tiocgwinsz_in_ioctl) |
1535 | if test $bash_cv_tiocgwinsz_in_ioctl = yes; then | |
1536 | AC_DEFINE(GWINSZ_IN_SYS_IOCTL) | |
1537 | fi | |
1538 | ]) | |
1539 | ||
1540 | AC_DEFUN(BASH_HAVE_TIOCSTAT, | |
1541 | [AC_MSG_CHECKING(for TIOCSTAT in sys/ioctl.h) | |
1542 | AC_CACHE_VAL(bash_cv_tiocstat_in_ioctl, | |
74091dd4 CR |
1543 | [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ |
1544 | #include <sys/types.h> | |
1545 | #include <sys/ioctl.h>]], [[int x = TIOCSTAT;]] )], | |
1546 | [bash_cv_tiocstat_in_ioctl=yes], [bash_cv_tiocstat_in_ioctl=no] | |
1547 | )]) | |
ccc6cda3 JA |
1548 | AC_MSG_RESULT($bash_cv_tiocstat_in_ioctl) |
1549 | if test $bash_cv_tiocstat_in_ioctl = yes; then | |
1550 | AC_DEFINE(TIOCSTAT_IN_SYS_IOCTL) | |
1551 | fi | |
1552 | ]) | |
1553 | ||
1554 | AC_DEFUN(BASH_HAVE_FIONREAD, | |
1555 | [AC_MSG_CHECKING(for FIONREAD in sys/ioctl.h) | |
1556 | AC_CACHE_VAL(bash_cv_fionread_in_ioctl, | |
74091dd4 CR |
1557 | [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ |
1558 | #include <sys/types.h> | |
1559 | #include <sys/ioctl.h>]], [[int x = FIONREAD;]] )], | |
1560 | [bash_cv_fionread_in_ioctl=yes], [bash_cv_fionread_in_ioctl=no] | |
1561 | )]) | |
ccc6cda3 JA |
1562 | AC_MSG_RESULT($bash_cv_fionread_in_ioctl) |
1563 | if test $bash_cv_fionread_in_ioctl = yes; then | |
1564 | AC_DEFINE(FIONREAD_IN_SYS_IOCTL) | |
1565 | fi | |
1566 | ]) | |
1567 | ||
d166f048 JA |
1568 | dnl |
1569 | dnl See if speed_t is declared in <sys/types.h>. Some versions of linux | |
1570 | dnl require a definition of speed_t each time <termcap.h> is included, | |
1571 | dnl but you can only get speed_t if you include <termios.h> (on some | |
1572 | dnl versions) or <sys/types.h> (on others). | |
1573 | dnl | |
f73dda09 | 1574 | AC_DEFUN(BASH_CHECK_SPEED_T, |
d166f048 JA |
1575 | [AC_MSG_CHECKING(for speed_t in sys/types.h) |
1576 | AC_CACHE_VAL(bash_cv_speed_t_in_sys_types, | |
74091dd4 CR |
1577 | [AC_COMPILE_IFELSE( |
1578 | [AC_LANG_PROGRAM( | |
1579 | [[#include <sys/types.h>]], | |
1580 | [[speed_t x;]])], | |
1581 | [bash_cv_speed_t_in_sys_types=yes],[bash_cv_speed_t_in_sys_types=no])]) | |
d166f048 JA |
1582 | AC_MSG_RESULT($bash_cv_speed_t_in_sys_types) |
1583 | if test $bash_cv_speed_t_in_sys_types = yes; then | |
1584 | AC_DEFINE(SPEED_T_IN_SYS_TYPES) | |
1585 | fi | |
1586 | ]) | |
1587 | ||
ccc6cda3 | 1588 | AC_DEFUN(BASH_CHECK_GETPW_FUNCS, |
28ef6c31 JA |
1589 | [AC_MSG_CHECKING(whether getpw functions are declared in pwd.h) |
1590 | AC_CACHE_VAL(bash_cv_getpw_declared, | |
1591 | [AC_EGREP_CPP(getpwuid, | |
1592 | [ | |
1593 | #include <sys/types.h> | |
1594 | #ifdef HAVE_UNISTD_H | |
1595 | # include <unistd.h> | |
1596 | #endif | |
ccc6cda3 | 1597 | #include <pwd.h> |
28ef6c31 JA |
1598 | ], |
1599 | bash_cv_getpw_declared=yes,bash_cv_getpw_declared=no)]) | |
1600 | AC_MSG_RESULT($bash_cv_getpw_declared) | |
1601 | if test $bash_cv_getpw_declared = yes; then | |
ccc6cda3 JA |
1602 | AC_DEFINE(HAVE_GETPW_DECLS) |
1603 | fi | |
1604 | ]) | |
1605 | ||
1606 | AC_DEFUN(BASH_CHECK_DEV_FD, | |
1607 | [AC_MSG_CHECKING(whether /dev/fd is available) | |
1608 | AC_CACHE_VAL(bash_cv_dev_fd, | |
0628567a | 1609 | [bash_cv_dev_fd="" |
3185942a | 1610 | if test -d /dev/fd && (exec test -r /dev/fd/0 < /dev/null) ; then |
95732b49 | 1611 | # check for systems like FreeBSD 5 that only provide /dev/fd/[012] |
3185942a | 1612 | if (exec test -r /dev/fd/3 3</dev/null) ; then |
95732b49 JA |
1613 | bash_cv_dev_fd=standard |
1614 | else | |
1615 | bash_cv_dev_fd=absent | |
1616 | fi | |
0628567a JA |
1617 | fi |
1618 | if test -z "$bash_cv_dev_fd" ; then | |
3185942a | 1619 | if test -d /proc/self/fd && (exec test -r /proc/self/fd/0 < /dev/null) ; then |
0628567a JA |
1620 | bash_cv_dev_fd=whacky |
1621 | else | |
1622 | bash_cv_dev_fd=absent | |
1623 | fi | |
1624 | fi | |
ccc6cda3 JA |
1625 | ]) |
1626 | AC_MSG_RESULT($bash_cv_dev_fd) | |
1627 | if test $bash_cv_dev_fd = "standard"; then | |
1628 | AC_DEFINE(HAVE_DEV_FD) | |
1629 | AC_DEFINE(DEV_FD_PREFIX, "/dev/fd/") | |
1630 | elif test $bash_cv_dev_fd = "whacky"; then | |
1631 | AC_DEFINE(HAVE_DEV_FD) | |
1632 | AC_DEFINE(DEV_FD_PREFIX, "/proc/self/fd/") | |
1633 | fi | |
1634 | ]) | |
1635 | ||
bb70624e JA |
1636 | AC_DEFUN(BASH_CHECK_DEV_STDIN, |
1637 | [AC_MSG_CHECKING(whether /dev/stdin stdout stderr are available) | |
1638 | AC_CACHE_VAL(bash_cv_dev_stdin, | |
d233b485 | 1639 | [if (exec test -r /dev/stdin < /dev/null) ; then |
bb70624e JA |
1640 | bash_cv_dev_stdin=present |
1641 | else | |
1642 | bash_cv_dev_stdin=absent | |
1643 | fi | |
1644 | ]) | |
1645 | AC_MSG_RESULT($bash_cv_dev_stdin) | |
1646 | if test $bash_cv_dev_stdin = "present"; then | |
1647 | AC_DEFINE(HAVE_DEV_STDIN) | |
1648 | fi | |
1649 | ]) | |
1650 | ||
74091dd4 CR |
1651 | |
1652 | AC_DEFUN(BASH_CHECK_RLIMIT, | |
1653 | [AC_CACHE_VAL(bash_cv_rlimit, | |
1654 | [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ | |
1655 | #include <sys/types.h> | |
1656 | #include <sys/resource.h> | |
1657 | ]], | |
1658 | [[ | |
1659 | int f; | |
1660 | f = RLIMIT_DATA; | |
1661 | ]] )], | |
1662 | [bash_cv_rlimit=yes], [bash_cv_rlimit=no] | |
1663 | )]) | |
1664 | ]) | |
1665 | ||
ccc6cda3 JA |
1666 | dnl |
1667 | dnl Check if HPUX needs _KERNEL defined for RLIMIT_* definitions | |
1668 | dnl | |
f73dda09 | 1669 | AC_DEFUN(BASH_CHECK_KERNEL_RLIMIT, |
ccc6cda3 JA |
1670 | [AC_MSG_CHECKING([whether $host_os needs _KERNEL for RLIMIT defines]) |
1671 | AC_CACHE_VAL(bash_cv_kernel_rlimit, | |
74091dd4 CR |
1672 | [BASH_CHECK_RLIMIT |
1673 | if test $bash_cv_rlimit = no; then | |
1674 | AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ | |
cce855bc JA |
1675 | #include <sys/types.h> |
1676 | #define _KERNEL | |
1677 | #include <sys/resource.h> | |
1678 | #undef _KERNEL | |
74091dd4 CR |
1679 | ]], |
1680 | [[ | |
1681 | int f; | |
1682 | f = RLIMIT_DATA; | |
1683 | ]] )], [bash_cv_kernel_rlimit=yes], [bash_cv_kernel_rlimit=no] ) | |
1684 | fi | |
1685 | ]) | |
ccc6cda3 JA |
1686 | AC_MSG_RESULT($bash_cv_kernel_rlimit) |
1687 | if test $bash_cv_kernel_rlimit = yes; then | |
1688 | AC_DEFINE(RLIMIT_NEEDS_KERNEL) | |
1689 | fi | |
1690 | ]) | |
d166f048 | 1691 | |
b72432fd JA |
1692 | dnl |
1693 | dnl Check for 64-bit off_t -- used for malloc alignment | |
1694 | dnl | |
1695 | dnl C does not allow duplicate case labels, so the compile will fail if | |
1696 | dnl sizeof(off_t) is > 4. | |
1697 | dnl | |
1698 | AC_DEFUN(BASH_CHECK_OFF_T_64, | |
1699 | [AC_CACHE_CHECK(for 64-bit off_t, bash_cv_off_t_64, | |
74091dd4 | 1700 | AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ |
b72432fd JA |
1701 | #ifdef HAVE_UNISTD_H |
1702 | #include <unistd.h> | |
1703 | #endif | |
1704 | #include <sys/types.h> | |
74091dd4 | 1705 | ]],[[ |
b72432fd | 1706 | switch (0) case 0: case (sizeof (off_t) <= 4):; |
74091dd4 CR |
1707 | ]] )], [bash_cv_off_t_64=no], [bash_cv_off_t_64=yes] |
1708 | )) | |
b72432fd JA |
1709 | if test $bash_cv_off_t_64 = yes; then |
1710 | AC_DEFINE(HAVE_OFF_T_64) | |
1711 | fi]) | |
bb70624e | 1712 | |
28ef6c31 JA |
1713 | AC_DEFUN(BASH_CHECK_RTSIGS, |
1714 | [AC_MSG_CHECKING(for unusable real-time signals due to large values) | |
1715 | AC_CACHE_VAL(bash_cv_unusable_rtsigs, | |
74091dd4 | 1716 | [AC_RUN_IFELSE([AC_LANG_SOURCE([[ |
28ef6c31 JA |
1717 | #include <sys/types.h> |
1718 | #include <signal.h> | |
8868edaf | 1719 | #include <stdlib.h> |
28ef6c31 JA |
1720 | |
1721 | #ifndef NSIG | |
1722 | # define NSIG 64 | |
1723 | #endif | |
1724 | ||
8868edaf | 1725 | int |
28ef6c31 JA |
1726 | main () |
1727 | { | |
1728 | int n_sigs = 2 * NSIG; | |
1729 | #ifdef SIGRTMIN | |
1730 | int rtmin = SIGRTMIN; | |
1731 | #else | |
1732 | int rtmin = 0; | |
1733 | #endif | |
1734 | ||
1735 | exit(rtmin < n_sigs); | |
74091dd4 CR |
1736 | } |
1737 | ]])], [bash_cv_unusable_rtsigs=yes], [bash_cv_unusable_rtsigs=no], | |
28ef6c31 JA |
1738 | [AC_MSG_WARN(cannot check real-time signals if cross compiling -- defaulting to yes) |
1739 | bash_cv_unusable_rtsigs=yes] | |
1740 | )]) | |
1741 | AC_MSG_RESULT($bash_cv_unusable_rtsigs) | |
1742 | if test $bash_cv_unusable_rtsigs = yes; then | |
1743 | AC_DEFINE(UNUSABLE_RT_SIGNALS) | |
1744 | fi | |
1745 | ]) | |
f73dda09 | 1746 | |
7117c2d2 JA |
1747 | dnl |
1748 | dnl check for availability of multibyte characters and functions | |
1749 | dnl | |
0628567a JA |
1750 | dnl geez, I wish I didn't have to check for all of this stuff separately |
1751 | dnl | |
7117c2d2 JA |
1752 | AC_DEFUN(BASH_CHECK_MULTIBYTE, |
1753 | [ | |
1754 | AC_CHECK_HEADERS(wctype.h) | |
1755 | AC_CHECK_HEADERS(wchar.h) | |
1756 | AC_CHECK_HEADERS(langinfo.h) | |
1757 | ||
a0c0a00f CR |
1758 | AC_CHECK_HEADERS(mbstr.h) |
1759 | ||
b80f6443 | 1760 | AC_CHECK_FUNC(mbrlen, AC_DEFINE(HAVE_MBRLEN)) |
0001803f | 1761 | AC_CHECK_FUNC(mbscasecmp, AC_DEFINE(HAVE_MBSCMP)) |
3185942a | 1762 | AC_CHECK_FUNC(mbscmp, AC_DEFINE(HAVE_MBSCMP)) |
495aee44 | 1763 | AC_CHECK_FUNC(mbsnrtowcs, AC_DEFINE(HAVE_MBSNRTOWCS)) |
3185942a | 1764 | AC_CHECK_FUNC(mbsrtowcs, AC_DEFINE(HAVE_MBSRTOWCS)) |
0628567a | 1765 | |
0001803f CR |
1766 | AC_REPLACE_FUNCS(mbschr) |
1767 | ||
0628567a JA |
1768 | AC_CHECK_FUNC(wcrtomb, AC_DEFINE(HAVE_WCRTOMB)) |
1769 | AC_CHECK_FUNC(wcscoll, AC_DEFINE(HAVE_WCSCOLL)) | |
b80f6443 | 1770 | AC_CHECK_FUNC(wcsdup, AC_DEFINE(HAVE_WCSDUP)) |
0628567a JA |
1771 | AC_CHECK_FUNC(wcwidth, AC_DEFINE(HAVE_WCWIDTH)) |
1772 | AC_CHECK_FUNC(wctype, AC_DEFINE(HAVE_WCTYPE)) | |
7117c2d2 | 1773 | |
495aee44 CR |
1774 | AC_REPLACE_FUNCS(wcswidth) |
1775 | ||
0628567a JA |
1776 | dnl checks for both mbrtowc and mbstate_t |
1777 | AC_FUNC_MBRTOWC | |
1778 | if test $ac_cv_func_mbrtowc = yes; then | |
7117c2d2 JA |
1779 | AC_DEFINE(HAVE_MBSTATE_T) |
1780 | fi | |
1781 | ||
0628567a JA |
1782 | AC_CHECK_FUNCS(iswlower iswupper towlower towupper iswctype) |
1783 | ||
74091dd4 | 1784 | AC_REQUIRE([AM_LANGINFO_CODESET]) |
7117c2d2 | 1785 | |
0628567a JA |
1786 | dnl check for wchar_t in <wchar.h> |
1787 | AC_CACHE_CHECK([for wchar_t in wchar.h], bash_cv_type_wchar_t, | |
74091dd4 CR |
1788 | [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([ |
1789 | [#include <wchar.h>]], | |
1790 | [[ | |
0628567a JA |
1791 | wchar_t foo; |
1792 | foo = 0; | |
74091dd4 CR |
1793 | ]] )], [bash_cv_type_wchar_t=yes], [bash_cv_type_wchar_t=no] |
1794 | )]) | |
0628567a JA |
1795 | if test $bash_cv_type_wchar_t = yes; then |
1796 | AC_DEFINE(HAVE_WCHAR_T, 1, [systems should define this type here]) | |
1797 | fi | |
1798 | ||
1799 | dnl check for wctype_t in <wctype.h> | |
1800 | AC_CACHE_CHECK([for wctype_t in wctype.h], bash_cv_type_wctype_t, | |
74091dd4 CR |
1801 | [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([ |
1802 | [#include <wctype.h>]], | |
1803 | [[ | |
0628567a JA |
1804 | wctype_t foo; |
1805 | foo = 0; | |
74091dd4 CR |
1806 | ]] )], [bash_cv_type_wctype_t=yes], [bash_cv_type_wctype_t=no] |
1807 | )]) | |
0628567a JA |
1808 | if test $bash_cv_type_wctype_t = yes; then |
1809 | AC_DEFINE(HAVE_WCTYPE_T, 1, [systems should define this type here]) | |
1810 | fi | |
1811 | ||
1812 | dnl check for wint_t in <wctype.h> | |
1813 | AC_CACHE_CHECK([for wint_t in wctype.h], bash_cv_type_wint_t, | |
74091dd4 CR |
1814 | [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([ |
1815 | [#include <wctype.h>]], | |
1816 | [[ | |
0628567a JA |
1817 | wint_t foo; |
1818 | foo = 0; | |
74091dd4 CR |
1819 | ]] )], [bash_cv_type_wint_t=yes], [bash_cv_type_wint_t=no] |
1820 | )]) | |
0628567a JA |
1821 | if test $bash_cv_type_wint_t = yes; then |
1822 | AC_DEFINE(HAVE_WINT_T, 1, [systems should define this type here]) | |
1823 | fi | |
1824 | ||
ac50fbac CR |
1825 | dnl check for broken wcwidth |
1826 | AC_CACHE_CHECK([for wcwidth broken with unicode combining characters], | |
1827 | bash_cv_wcwidth_broken, | |
74091dd4 | 1828 | [AC_RUN_IFELSE([AC_LANG_SOURCE([[ |
ac50fbac CR |
1829 | #include <unistd.h> |
1830 | #include <stdlib.h> | |
1831 | #include <stdio.h> | |
1832 | ||
1833 | #include <locale.h> | |
1834 | #include <wchar.h> | |
1835 | ||
8868edaf | 1836 | int |
ac50fbac CR |
1837 | main(c, v) |
1838 | int c; | |
1839 | char **v; | |
1840 | { | |
1841 | int w; | |
1842 | ||
1843 | setlocale(LC_ALL, "en_US.UTF-8"); | |
1844 | w = wcwidth (0x0301); | |
1845 | exit (w == 0); /* exit 0 if wcwidth broken */ | |
1846 | } | |
74091dd4 CR |
1847 | ]])], [bash_cv_wcwidth_broken=yes], [bash_cv_wcwidth_broken=no], |
1848 | [bash_cv_wcwidth_broken=no] | |
1849 | )]) | |
ac50fbac CR |
1850 | if test "$bash_cv_wcwidth_broken" = yes; then |
1851 | AC_DEFINE(WCWIDTH_BROKEN, 1, [wcwidth is usually not broken]) | |
1852 | fi | |
1853 | ||
0001803f CR |
1854 | if test "$am_cv_func_iconv" = yes; then |
1855 | OLDLIBS="$LIBS" | |
a0c0a00f | 1856 | LIBS="$LIBS $LIBINTL $LIBICONV" |
0001803f CR |
1857 | AC_CHECK_FUNCS(locale_charset) |
1858 | LIBS="$OLDLIBS" | |
1859 | fi | |
1860 | ||
d233b485 CR |
1861 | AC_CHECK_SIZEOF(wchar_t, 4) |
1862 | ||
7117c2d2 JA |
1863 | ]) |
1864 | ||
f73dda09 JA |
1865 | dnl need: prefix exec_prefix libdir includedir CC TERMCAP_LIB |
1866 | dnl require: | |
1867 | dnl AC_PROG_CC | |
1868 | dnl BASH_CHECK_LIB_TERMCAP | |
1869 | ||
0628567a | 1870 | AC_DEFUN([RL_LIB_READLINE_VERSION], |
f73dda09 JA |
1871 | [ |
1872 | AC_REQUIRE([BASH_CHECK_LIB_TERMCAP]) | |
1873 | ||
1874 | AC_MSG_CHECKING([version of installed readline library]) | |
1875 | ||
1876 | # What a pain in the ass this is. | |
1877 | ||
1878 | # save cpp and ld options | |
1879 | _save_CFLAGS="$CFLAGS" | |
1880 | _save_LDFLAGS="$LDFLAGS" | |
1881 | _save_LIBS="$LIBS" | |
1882 | ||
1883 | # Don't set ac_cv_rl_prefix if the caller has already assigned a value. This | |
1884 | # allows the caller to do something like $_rl_prefix=$withval if the user | |
1885 | # specifies --with-installed-readline=PREFIX as an argument to configure | |
1886 | ||
1887 | if test -z "$ac_cv_rl_prefix"; then | |
1888 | test "x$prefix" = xNONE && ac_cv_rl_prefix=$ac_default_prefix || ac_cv_rl_prefix=${prefix} | |
1889 | fi | |
1890 | ||
1891 | eval ac_cv_rl_includedir=${ac_cv_rl_prefix}/include | |
1892 | eval ac_cv_rl_libdir=${ac_cv_rl_prefix}/lib | |
1893 | ||
1894 | LIBS="$LIBS -lreadline ${TERMCAP_LIB}" | |
1895 | CFLAGS="$CFLAGS -I${ac_cv_rl_includedir}" | |
1896 | LDFLAGS="$LDFLAGS -L${ac_cv_rl_libdir}" | |
1897 | ||
b80f6443 | 1898 | AC_CACHE_VAL(ac_cv_rl_version, |
74091dd4 | 1899 | [AC_RUN_IFELSE([AC_LANG_SOURCE([[ |
f73dda09 JA |
1900 | #include <stdio.h> |
1901 | #include <readline/readline.h> | |
8868edaf | 1902 | #include <stdlib.h> |
f73dda09 | 1903 | |
95732b49 JA |
1904 | extern int rl_gnu_readline_p; |
1905 | ||
8868edaf | 1906 | int |
f73dda09 JA |
1907 | main() |
1908 | { | |
1909 | FILE *fp; | |
1910 | fp = fopen("conftest.rlv", "w"); | |
95732b49 JA |
1911 | if (fp == 0) |
1912 | exit(1); | |
1913 | if (rl_gnu_readline_p != 1) | |
1914 | fprintf(fp, "0.0\n"); | |
1915 | else | |
1916 | fprintf(fp, "%s\n", rl_library_version ? rl_library_version : "0.0"); | |
f73dda09 JA |
1917 | fclose(fp); |
1918 | exit(0); | |
1919 | } | |
74091dd4 CR |
1920 | ]])], |
1921 | [ac_cv_rl_version=`cat conftest.rlv`], | |
1922 | [ac_cv_rl_version='0.0'], | |
1923 | [ac_cv_rl_version='8.0'] | |
1924 | )]) | |
f73dda09 JA |
1925 | |
1926 | CFLAGS="$_save_CFLAGS" | |
1927 | LDFLAGS="$_save_LDFLAGS" | |
1928 | LIBS="$_save_LIBS" | |
1929 | ||
1930 | RL_MAJOR=0 | |
1931 | RL_MINOR=0 | |
1932 | ||
1933 | # ( | |
1934 | case "$ac_cv_rl_version" in | |
1935 | 2*|3*|4*|5*|6*|7*|8*|9*) | |
1936 | RL_MAJOR=`echo $ac_cv_rl_version | sed 's:\..*$::'` | |
7117c2d2 | 1937 | RL_MINOR=`echo $ac_cv_rl_version | sed -e 's:^.*\.::' -e 's:[[a-zA-Z]]*$::'` |
f73dda09 JA |
1938 | ;; |
1939 | esac | |
1940 | ||
1941 | # ((( | |
1942 | case $RL_MAJOR in | |
1943 | [[0-9][0-9]]) _RL_MAJOR=$RL_MAJOR ;; | |
1944 | [[0-9]]) _RL_MAJOR=0$RL_MAJOR ;; | |
1945 | *) _RL_MAJOR=00 ;; | |
1946 | esac | |
1947 | ||
1948 | # ((( | |
1949 | case $RL_MINOR in | |
1950 | [[0-9][0-9]]) _RL_MINOR=$RL_MINOR ;; | |
1951 | [[0-9]]) _RL_MINOR=0$RL_MINOR ;; | |
1952 | *) _RL_MINOR=00 ;; | |
1953 | esac | |
1954 | ||
1955 | RL_VERSION="0x${_RL_MAJOR}${_RL_MINOR}" | |
1956 | ||
1957 | # Readline versions greater than 4.2 have these defines in readline.h | |
1958 | ||
1959 | if test $ac_cv_rl_version = '0.0' ; then | |
1960 | AC_MSG_WARN([Could not test version of installed readline library.]) | |
1961 | elif test $RL_MAJOR -gt 4 || { test $RL_MAJOR = 4 && test $RL_MINOR -gt 2 ; } ; then | |
1962 | # set these for use by the caller | |
1963 | RL_PREFIX=$ac_cv_rl_prefix | |
1964 | RL_LIBDIR=$ac_cv_rl_libdir | |
1965 | RL_INCLUDEDIR=$ac_cv_rl_includedir | |
1966 | AC_MSG_RESULT($ac_cv_rl_version) | |
1967 | else | |
1968 | ||
1969 | AC_DEFINE_UNQUOTED(RL_READLINE_VERSION, $RL_VERSION, [encoded version of the installed readline library]) | |
1970 | AC_DEFINE_UNQUOTED(RL_VERSION_MAJOR, $RL_MAJOR, [major version of installed readline library]) | |
1971 | AC_DEFINE_UNQUOTED(RL_VERSION_MINOR, $RL_MINOR, [minor version of installed readline library]) | |
1972 | ||
1973 | AC_SUBST(RL_VERSION) | |
1974 | AC_SUBST(RL_MAJOR) | |
1975 | AC_SUBST(RL_MINOR) | |
1976 | ||
1977 | # set these for use by the caller | |
1978 | RL_PREFIX=$ac_cv_rl_prefix | |
1979 | RL_LIBDIR=$ac_cv_rl_libdir | |
1980 | RL_INCLUDEDIR=$ac_cv_rl_includedir | |
1981 | ||
1982 | AC_MSG_RESULT($ac_cv_rl_version) | |
1983 | ||
1984 | fi | |
1985 | ]) | |
b80f6443 | 1986 | |
95732b49 JA |
1987 | AC_DEFUN(BASH_CHECK_WCONTINUED, |
1988 | [ | |
1989 | AC_MSG_CHECKING(whether WCONTINUED flag to waitpid is unavailable or available but broken) | |
1990 | AC_CACHE_VAL(bash_cv_wcontinued_broken, | |
74091dd4 | 1991 | [AC_RUN_IFELSE([AC_LANG_SOURCE([[ |
95732b49 JA |
1992 | #include <sys/types.h> |
1993 | #include <sys/wait.h> | |
1994 | #include <unistd.h> | |
1995 | #include <errno.h> | |
8868edaf | 1996 | #include <stdlib.h> |
95732b49 JA |
1997 | |
1998 | #ifndef errno | |
1999 | extern int errno; | |
2000 | #endif | |
8868edaf | 2001 | int |
95732b49 JA |
2002 | main() |
2003 | { | |
2004 | int x; | |
2005 | ||
2006 | x = waitpid(-1, (int *)0, WNOHANG|WCONTINUED); | |
2007 | if (x == -1 && errno == EINVAL) | |
2008 | exit (1); | |
2009 | else | |
2010 | exit (0); | |
2011 | } | |
74091dd4 | 2012 | ]])], [bash_cv_wcontinued_broken=no], [bash_cv_wcontinued_broken=yes], |
95732b49 JA |
2013 | [AC_MSG_WARN(cannot check WCONTINUED if cross compiling -- defaulting to no) |
2014 | bash_cv_wcontinued_broken=no] | |
2015 | )]) | |
2016 | AC_MSG_RESULT($bash_cv_wcontinued_broken) | |
2017 | if test $bash_cv_wcontinued_broken = yes; then | |
2018 | AC_DEFINE(WCONTINUED_BROKEN) | |
2019 | fi | |
2020 | ]) | |
2021 | ||
b80f6443 JA |
2022 | dnl |
2023 | dnl tests added for bashdb | |
2024 | dnl | |
2025 | ||
2026 | ||
2027 | AC_DEFUN([AM_PATH_LISPDIR], | |
74091dd4 | 2028 | [AC_ARG_WITH(lispdir, AS_HELP_STRING([--with-lispdir], [override the default lisp directory]), |
b80f6443 JA |
2029 | [ lispdir="$withval" |
2030 | AC_MSG_CHECKING([where .elc files should go]) | |
2031 | AC_MSG_RESULT([$lispdir])], | |
2032 | [ | |
2033 | # If set to t, that means we are running in a shell under Emacs. | |
2034 | # If you have an Emacs named "t", then use the full path. | |
2035 | test x"$EMACS" = xt && EMACS= | |
2036 | AC_CHECK_PROGS(EMACS, emacs xemacs, no) | |
2037 | if test $EMACS != "no"; then | |
2038 | if test x${lispdir+set} != xset; then | |
2039 | AC_CACHE_CHECK([where .elc files should go], [am_cv_lispdir], [dnl | |
2040 | am_cv_lispdir=`$EMACS -batch -q -eval '(while load-path (princ (concat (car load-path) "\n")) (setq load-path (cdr load-path)))' | sed -n -e 's,/$,,' -e '/.*\/lib\/\(x\?emacs\/site-lisp\)$/{s,,${libdir}/\1,;p;q;}' -e '/.*\/share\/\(x\?emacs\/site-lisp\)$/{s,,${datadir}/\1,;p;q;}'` | |
2041 | if test -z "$am_cv_lispdir"; then | |
2042 | am_cv_lispdir='${datadir}/emacs/site-lisp' | |
2043 | fi | |
2044 | ]) | |
2045 | lispdir="$am_cv_lispdir" | |
2046 | fi | |
2047 | fi | |
2048 | ]) | |
2049 | AC_SUBST(lispdir) | |
2050 | ]) | |
2051 | ||
3185942a JA |
2052 | dnl From gnulib |
2053 | AC_DEFUN([BASH_FUNC_FPURGE], | |
2054 | [ | |
2055 | AC_CHECK_FUNCS_ONCE([fpurge]) | |
2056 | AC_CHECK_FUNCS_ONCE([__fpurge]) | |
2057 | AC_CHECK_DECLS([fpurge], , , [#include <stdio.h>]) | |
2058 | ]) | |
0001803f CR |
2059 | |
2060 | AC_DEFUN([BASH_FUNC_SNPRINTF], | |
2061 | [ | |
2062 | AC_CHECK_FUNCS_ONCE([snprintf]) | |
2063 | if test X$ac_cv_func_snprintf = Xyes; then | |
2064 | AC_CACHE_CHECK([for standard-conformant snprintf], [bash_cv_func_snprintf], | |
74091dd4 | 2065 | [AC_RUN_IFELSE([AC_LANG_SOURCE([[ |
0001803f | 2066 | #include <stdio.h> |
8868edaf | 2067 | #include <stdlib.h> |
0001803f | 2068 | |
8868edaf | 2069 | int |
0001803f CR |
2070 | main() |
2071 | { | |
2072 | int n; | |
2073 | n = snprintf (0, 0, "%s", "0123456"); | |
2074 | exit(n != 7); | |
2075 | } | |
74091dd4 | 2076 | ]])], [bash_cv_func_snprintf=yes], [bash_cv_func_snprintf=no], |
0001803f CR |
2077 | [AC_MSG_WARN([cannot check standard snprintf if cross-compiling]) |
2078 | bash_cv_func_snprintf=yes] | |
2079 | )]) | |
2080 | if test $bash_cv_func_snprintf = no; then | |
2081 | ac_cv_func_snprintf=no | |
2082 | fi | |
2083 | fi | |
2084 | if test $ac_cv_func_snprintf = no; then | |
2085 | AC_DEFINE(HAVE_SNPRINTF, 0, | |
2086 | [Define if you have a standard-conformant snprintf function.]) | |
2087 | fi | |
2088 | ]) | |
2089 | ||
2090 | AC_DEFUN([BASH_FUNC_VSNPRINTF], | |
2091 | [ | |
2092 | AC_CHECK_FUNCS_ONCE([vsnprintf]) | |
2093 | if test X$ac_cv_func_vsnprintf = Xyes; then | |
2094 | AC_CACHE_CHECK([for standard-conformant vsnprintf], [bash_cv_func_vsnprintf], | |
74091dd4 | 2095 | [AC_RUN_IFELSE([AC_LANG_SOURCE([[ |
0001803f CR |
2096 | #if HAVE_STDARG_H |
2097 | #include <stdarg.h> | |
2098 | #else | |
2099 | #include <varargs.h> | |
2100 | #endif | |
2101 | #include <stdio.h> | |
2102 | #include <stdlib.h> | |
2103 | ||
2104 | static int | |
2105 | #if HAVE_STDARG_H | |
2106 | foo(const char *fmt, ...) | |
2107 | #else | |
2108 | foo(format, va_alist) | |
2109 | const char *format; | |
2110 | va_dcl | |
2111 | #endif | |
2112 | { | |
2113 | va_list args; | |
2114 | int n; | |
2115 | ||
2116 | #if HAVE_STDARG_H | |
2117 | va_start(args, fmt); | |
2118 | #else | |
2119 | va_start(args); | |
2120 | #endif | |
2121 | n = vsnprintf(0, 0, fmt, args); | |
2122 | va_end (args); | |
2123 | return n; | |
2124 | } | |
2125 | ||
8868edaf | 2126 | int |
0001803f CR |
2127 | main() |
2128 | { | |
2129 | int n; | |
2130 | n = foo("%s", "0123456"); | |
2131 | exit(n != 7); | |
2132 | } | |
74091dd4 | 2133 | ]])], [bash_cv_func_vsnprintf=yes], [bash_cv_func_vsnprintf=no], |
0001803f CR |
2134 | [AC_MSG_WARN([cannot check standard vsnprintf if cross-compiling]) |
2135 | bash_cv_func_vsnprintf=yes] | |
2136 | )]) | |
2137 | if test $bash_cv_func_vsnprintf = no; then | |
2138 | ac_cv_func_vsnprintf=no | |
2139 | fi | |
2140 | fi | |
2141 | if test $ac_cv_func_vsnprintf = no; then | |
2142 | AC_DEFINE(HAVE_VSNPRINTF, 0, | |
2143 | [Define if you have a standard-conformant vsnprintf function.]) | |
2144 | fi | |
2145 | ]) | |
495aee44 CR |
2146 | |
2147 | AC_DEFUN(BASH_STRUCT_WEXITSTATUS_OFFSET, | |
2148 | [AC_MSG_CHECKING(for offset of exit status in return status from wait) | |
2149 | AC_CACHE_VAL(bash_cv_wexitstatus_offset, | |
74091dd4 | 2150 | [AC_RUN_IFELSE([AC_LANG_SOURCE([[ |
495aee44 CR |
2151 | #include <stdlib.h> |
2152 | #include <unistd.h> | |
2153 | ||
2154 | #include <sys/wait.h> | |
2155 | ||
8868edaf | 2156 | int |
495aee44 CR |
2157 | main(c, v) |
2158 | int c; | |
2159 | char **v; | |
2160 | { | |
2161 | pid_t pid, p; | |
2162 | int s, i, n; | |
2163 | ||
2164 | s = 0; | |
2165 | pid = fork(); | |
2166 | if (pid == 0) | |
2167 | exit (42); | |
2168 | ||
2169 | /* wait for the process */ | |
2170 | p = wait(&s); | |
2171 | if (p != pid) | |
2172 | exit (255); | |
2173 | ||
2174 | /* crack s */ | |
8868edaf | 2175 | for (i = 0; i < (sizeof(s) * 8); i++) |
495aee44 CR |
2176 | { |
2177 | n = (s >> i) & 0xff; | |
2178 | if (n == 42) | |
2179 | exit (i); | |
2180 | } | |
2181 | ||
2182 | exit (254); | |
2183 | } | |
74091dd4 | 2184 | ]])], [bash_cv_wexitstatus_offset=0], [bash_cv_wexitstatus_offset=$?], |
495aee44 CR |
2185 | [AC_MSG_WARN(cannot check WEXITSTATUS offset if cross compiling -- defaulting to 0) |
2186 | bash_cv_wexitstatus_offset=0] | |
2187 | )]) | |
2188 | if test "$bash_cv_wexitstatus_offset" -gt 32 ; then | |
2189 | AC_MSG_WARN(bad exit status from test program -- defaulting to 0) | |
2190 | bash_cv_wexitstatus_offset=0 | |
2191 | fi | |
2192 | AC_MSG_RESULT($bash_cv_wexitstatus_offset) | |
2193 | AC_DEFINE_UNQUOTED([WEXITSTATUS_OFFSET], [$bash_cv_wexitstatus_offset], [Offset of exit status in wait status word]) | |
2194 | ]) | |
d233b485 CR |
2195 | |
2196 | AC_DEFUN([BASH_FUNC_SBRK], | |
2197 | [ | |
8868edaf CR |
2198 | AC_MSG_CHECKING([for sbrk]) |
2199 | AC_CACHE_VAL(ac_cv_func_sbrk, | |
74091dd4 CR |
2200 | [AC_LINK_IFELSE( |
2201 | [AC_LANG_PROGRAM( | |
2202 | [[#include <unistd.h>]], | |
2203 | [[ void *x = sbrk (4096); ]])], | |
2204 | [ac_cv_func_sbrk=yes],[ac_cv_func_sbrk=no])]) | |
8868edaf | 2205 | AC_MSG_RESULT($ac_cv_func_sbrk) |
d233b485 CR |
2206 | if test X$ac_cv_func_sbrk = Xyes; then |
2207 | AC_CACHE_CHECK([for working sbrk], [bash_cv_func_sbrk], | |
74091dd4 | 2208 | [AC_RUN_IFELSE([AC_LANG_SOURCE([[ |
d233b485 CR |
2209 | #include <stdlib.h> |
2210 | #include <unistd.h> | |
2211 | ||
2212 | int | |
2213 | main(int c, char **v) | |
2214 | { | |
2215 | void *x; | |
2216 | ||
2217 | x = sbrk (4096); | |
2218 | exit ((x == (void *)-1) ? 1 : 0); | |
2219 | } | |
74091dd4 CR |
2220 | ]])],[bash_cv_func_sbrk=yes],[bash_cv_func_sbrk=no],[AC_MSG_WARN([cannot check working sbrk if cross-compiling]) |
2221 | bash_cv_func_sbrk=yes | |
2222 | ])]) | |
d233b485 CR |
2223 | if test $bash_cv_func_sbrk = no; then |
2224 | ac_cv_func_sbrk=no | |
2225 | fi | |
2226 | fi | |
8868edaf CR |
2227 | if test $ac_cv_func_sbrk = yes; then |
2228 | AC_DEFINE(HAVE_SBRK, 1, | |
d233b485 CR |
2229 | [Define if you have a working sbrk function.]) |
2230 | fi | |
2231 | ]) | |
2232 | ||
2233 | AC_DEFUN(BASH_FUNC_FNMATCH_EQUIV_FALLBACK, | |
2234 | [AC_MSG_CHECKING(whether fnmatch can be used to check bracket equivalence classes) | |
2235 | AC_CACHE_VAL(bash_cv_fnmatch_equiv_fallback, | |
74091dd4 | 2236 | [AC_RUN_IFELSE([AC_LANG_SOURCE([[ |
d233b485 CR |
2237 | #include <stdlib.h> |
2238 | #include <unistd.h> | |
2239 | #include <stdio.h> | |
2240 | #include <fnmatch.h> | |
2241 | #include <locale.h> | |
2242 | ||
2243 | char *pattern = "[[=a=]]"; | |
2244 | ||
2245 | /* char *string = "รค"; */ | |
2246 | unsigned char string[4] = { '\xc3', '\xa4', '\0' }; | |
2247 | ||
2248 | int | |
2249 | main (int c, char **v) | |
2250 | { | |
8868edaf | 2251 | setlocale (LC_ALL, "en_US.UTF-8"); |
d233b485 CR |
2252 | if (fnmatch (pattern, (const char *)string, 0) != FNM_NOMATCH) |
2253 | exit (0); | |
2254 | exit (1); | |
2255 | } | |
74091dd4 | 2256 | ]])], [bash_cv_fnmatch_equiv_fallback=yes], [bash_cv_fnmatch_equiv_fallback=no], |
d233b485 CR |
2257 | [AC_MSG_WARN(cannot check fnmatch if cross compiling -- defaulting to no) |
2258 | bash_cv_fnmatch_equiv_fallback=no] | |
2259 | )]) | |
2260 | AC_MSG_RESULT($bash_cv_fnmatch_equiv_fallback) | |
2261 | if test "$bash_cv_fnmatch_equiv_fallback" = "yes" ; then | |
2262 | bash_cv_fnmatch_equiv_value=1 | |
2263 | else | |
2264 | bash_cv_fnmatch_equiv_value=0 | |
2265 | fi | |
2266 | AC_DEFINE_UNQUOTED([FNMATCH_EQUIV_FALLBACK], [$bash_cv_fnmatch_equiv_value], [Whether fnmatch can be used for bracket equivalence classes]) | |
2267 | ]) |