Commit | Line | Data |
---|---|---|
b4f26d54 | 1 | dnl |
6999161a TT |
2 | dnl Bash specific tests |
3 | dnl | |
4 | dnl Some derived from PDKSH 5.1.3 autoconf tests | |
5 | dnl | |
6 | ||
7 | AC_DEFUN(BASH_C_LONG_LONG, | |
8 | [AC_CACHE_CHECK(for long long, ac_cv_c_long_long, | |
9 | [if test "$GCC" = yes; then | |
10 | ac_cv_c_long_long=yes | |
11 | else | |
12 | AC_TRY_RUN([ | |
b4f26d54 | 13 | #include <stdlib.h> |
6999161a TT |
14 | int |
15 | main() | |
16 | { | |
17 | long long foo = 0; | |
18 | exit(sizeof(long long) < sizeof(long)); | |
19 | } | |
20 | ], ac_cv_c_long_long=yes, ac_cv_c_long_long=no) | |
21 | fi]) | |
22 | if test $ac_cv_c_long_long = yes; then | |
23 | AC_DEFINE(HAVE_LONG_LONG, 1, [Define if the `long long' type works.]) | |
24 | fi | |
25 | ]) | |
26 | ||
27 | dnl | |
28 | dnl This is very similar to AC_C_LONG_DOUBLE, with the fix for IRIX | |
29 | dnl (< changed to <=) added. | |
30 | dnl | |
31 | AC_DEFUN(BASH_C_LONG_DOUBLE, | |
32 | [AC_CACHE_CHECK(for long double, ac_cv_c_long_double, | |
33 | [if test "$GCC" = yes; then | |
34 | ac_cv_c_long_double=yes | |
35 | else | |
36 | AC_TRY_RUN([ | |
b4f26d54 | 37 | #include <stdlib.h> |
6999161a TT |
38 | int |
39 | main() | |
40 | { | |
41 | /* The Stardent Vistra knows sizeof(long double), but does not | |
42 | support it. */ | |
43 | long double foo = 0.0; | |
44 | /* On Ultrix 4.3 cc, long double is 4 and double is 8. */ | |
45 | /* On IRIX 5.3, the compiler converts long double to double with a warning, | |
46 | but compiles this successfully. */ | |
47 | exit(sizeof(long double) <= sizeof(double)); | |
48 | } | |
49 | ], ac_cv_c_long_double=yes, ac_cv_c_long_double=no) | |
50 | fi]) | |
51 | if test $ac_cv_c_long_double = yes; then | |
52 | AC_DEFINE(HAVE_LONG_DOUBLE, 1, [Define if the `long double' type works.]) | |
53 | fi | |
54 | ]) | |
55 | ||
56 | dnl | |
57 | dnl Check for <inttypes.h>. This is separated out so that it can be | |
58 | dnl AC_REQUIREd. | |
59 | dnl | |
60 | dnl BASH_HEADER_INTTYPES | |
61 | AC_DEFUN(BASH_HEADER_INTTYPES, | |
62 | [ | |
63 | AC_CHECK_HEADERS(inttypes.h) | |
64 | ]) | |
65 | ||
66 | dnl | |
67 | dnl check for typedef'd symbols in header files, but allow the caller to | |
68 | dnl specify the include files to be checked in addition to the default | |
b4f26d54 TT |
69 | dnl |
70 | dnl This could be changed to use AC_COMPILE_IFELSE instead of AC_EGREP_CPP | |
6999161a TT |
71 | dnl |
72 | dnl BASH_CHECK_TYPE(TYPE, HEADERS, DEFAULT[, VALUE-IF-FOUND]) | |
73 | AC_DEFUN(BASH_CHECK_TYPE, | |
74 | [ | |
75 | AC_REQUIRE([AC_HEADER_STDC])dnl | |
76 | AC_REQUIRE([BASH_HEADER_INTTYPES]) | |
77 | AC_MSG_CHECKING(for $1) | |
78 | AC_CACHE_VAL(bash_cv_type_$1, | |
79 | [AC_EGREP_CPP($1, [#include <sys/types.h> | |
80 | #if STDC_HEADERS | |
81 | #include <stdlib.h> | |
82 | #include <stddef.h> | |
83 | #endif | |
84 | #if HAVE_INTTYPES_H | |
85 | #include <inttypes.h> | |
86 | #endif | |
87 | #if HAVE_STDINT_H | |
88 | #include <stdint.h> | |
89 | #endif | |
90 | $2 | |
91 | ], bash_cv_type_$1=yes, bash_cv_type_$1=no)]) | |
92 | AC_MSG_RESULT($bash_cv_type_$1) | |
93 | ifelse($#, 4, [if test $bash_cv_type_$1 = yes; then | |
94 | AC_DEFINE($4) | |
95 | fi]) | |
96 | if test $bash_cv_type_$1 = no; then | |
97 | AC_DEFINE_UNQUOTED($1, $3) | |
98 | fi | |
99 | ]) | |
100 | ||
101 | dnl | |
102 | dnl BASH_CHECK_DECL(FUNC) | |
103 | dnl | |
104 | dnl Check for a declaration of FUNC in stdlib.h and inttypes.h like | |
105 | dnl AC_CHECK_DECL | |
106 | dnl | |
107 | AC_DEFUN(BASH_CHECK_DECL, | |
108 | [ | |
109 | AC_REQUIRE([AC_HEADER_STDC]) | |
110 | AC_REQUIRE([BASH_HEADER_INTTYPES]) | |
111 | AC_CACHE_CHECK([for declaration of $1], bash_cv_decl_$1, | |
112 | [AC_TRY_LINK( | |
113 | [ | |
114 | #if STDC_HEADERS | |
115 | # include <stdlib.h> | |
116 | #endif | |
117 | #if HAVE_INTTYPES_H | |
118 | # include <inttypes.h> | |
119 | #endif | |
120 | ], | |
121 | [return !$1;], | |
122 | bash_cv_decl_$1=yes, bash_cv_decl_$1=no)]) | |
123 | bash_tr_func=HAVE_DECL_`echo $1 | tr 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'` | |
124 | if test $bash_cv_decl_$1 = yes; then | |
125 | AC_DEFINE_UNQUOTED($bash_tr_func, 1) | |
126 | else | |
127 | AC_DEFINE_UNQUOTED($bash_tr_func, 0) | |
128 | fi | |
129 | ]) | |
130 | ||
131 | AC_DEFUN(BASH_DECL_PRINTF, | |
132 | [AC_MSG_CHECKING(for declaration of printf in <stdio.h>) | |
133 | AC_CACHE_VAL(bash_cv_printf_declared, | |
134 | [AC_TRY_RUN([ | |
135 | #include <stdio.h> | |
136 | #ifdef __STDC__ | |
137 | typedef int (*_bashfunc)(const char *, ...); | |
138 | #else | |
139 | typedef int (*_bashfunc)(); | |
140 | #endif | |
b4f26d54 TT |
141 | #include <stdlib.h> |
142 | int | |
6999161a TT |
143 | main() |
144 | { | |
145 | _bashfunc pf; | |
146 | pf = (_bashfunc) printf; | |
147 | exit(pf == 0); | |
148 | } | |
149 | ], bash_cv_printf_declared=yes, bash_cv_printf_declared=no, | |
150 | [AC_MSG_WARN(cannot check printf declaration if cross compiling -- defaulting to yes) | |
151 | bash_cv_printf_declared=yes] | |
152 | )]) | |
153 | AC_MSG_RESULT($bash_cv_printf_declared) | |
154 | if test $bash_cv_printf_declared = yes; then | |
155 | AC_DEFINE(PRINTF_DECLARED) | |
156 | fi | |
157 | ]) | |
158 | ||
159 | AC_DEFUN(BASH_DECL_SBRK, | |
160 | [AC_MSG_CHECKING(for declaration of sbrk in <unistd.h>) | |
161 | AC_CACHE_VAL(bash_cv_sbrk_declared, | |
162 | [AC_EGREP_HEADER(sbrk, unistd.h, | |
163 | bash_cv_sbrk_declared=yes, bash_cv_sbrk_declared=no)]) | |
164 | AC_MSG_RESULT($bash_cv_sbrk_declared) | |
165 | if test $bash_cv_sbrk_declared = yes; then | |
166 | AC_DEFINE(SBRK_DECLARED) | |
167 | fi | |
168 | ]) | |
169 | ||
170 | dnl | |
171 | dnl Check for sys_siglist[] or _sys_siglist[] | |
172 | dnl | |
173 | AC_DEFUN(BASH_DECL_UNDER_SYS_SIGLIST, | |
174 | [AC_MSG_CHECKING([for _sys_siglist in signal.h or unistd.h]) | |
175 | AC_CACHE_VAL(bash_cv_decl_under_sys_siglist, | |
176 | [AC_TRY_COMPILE([ | |
177 | #include <sys/types.h> | |
178 | #include <signal.h> | |
179 | #ifdef HAVE_UNISTD_H | |
180 | #include <unistd.h> | |
181 | #endif], [ char *msg = _sys_siglist[2]; ], | |
182 | bash_cv_decl_under_sys_siglist=yes, bash_cv_decl_under_sys_siglist=no, | |
183 | [AC_MSG_WARN(cannot check for _sys_siglist[] if cross compiling -- defaulting to no)])])dnl | |
184 | AC_MSG_RESULT($bash_cv_decl_under_sys_siglist) | |
185 | if test $bash_cv_decl_under_sys_siglist = yes; then | |
186 | AC_DEFINE(UNDER_SYS_SIGLIST_DECLARED) | |
187 | fi | |
188 | ]) | |
189 | ||
190 | AC_DEFUN(BASH_UNDER_SYS_SIGLIST, | |
191 | [AC_REQUIRE([BASH_DECL_UNDER_SYS_SIGLIST]) | |
192 | AC_MSG_CHECKING([for _sys_siglist in system C library]) | |
193 | AC_CACHE_VAL(bash_cv_under_sys_siglist, | |
194 | [AC_TRY_RUN([ | |
195 | #include <sys/types.h> | |
196 | #include <signal.h> | |
197 | #ifdef HAVE_UNISTD_H | |
198 | #include <unistd.h> | |
199 | #endif | |
b4f26d54 | 200 | #include <stdlib.h> |
6999161a TT |
201 | #ifndef UNDER_SYS_SIGLIST_DECLARED |
202 | extern char *_sys_siglist[]; | |
203 | #endif | |
b4f26d54 | 204 | int |
6999161a TT |
205 | main() |
206 | { | |
207 | char *msg = (char *)_sys_siglist[2]; | |
208 | exit(msg == 0); | |
209 | }], | |
210 | bash_cv_under_sys_siglist=yes, bash_cv_under_sys_siglist=no, | |
211 | [AC_MSG_WARN(cannot check for _sys_siglist[] if cross compiling -- defaulting to no) | |
212 | bash_cv_under_sys_siglist=no])]) | |
213 | AC_MSG_RESULT($bash_cv_under_sys_siglist) | |
214 | if test $bash_cv_under_sys_siglist = yes; then | |
215 | AC_DEFINE(HAVE_UNDER_SYS_SIGLIST) | |
216 | fi | |
217 | ]) | |
218 | ||
219 | AC_DEFUN(BASH_SYS_SIGLIST, | |
220 | [AC_REQUIRE([AC_DECL_SYS_SIGLIST]) | |
221 | AC_MSG_CHECKING([for sys_siglist in system C library]) | |
222 | AC_CACHE_VAL(bash_cv_sys_siglist, | |
223 | [AC_TRY_RUN([ | |
224 | #include <sys/types.h> | |
225 | #include <signal.h> | |
226 | #ifdef HAVE_UNISTD_H | |
227 | #include <unistd.h> | |
228 | #endif | |
b4f26d54 | 229 | #include <stdlib.h> |
6999161a TT |
230 | #if !HAVE_DECL_SYS_SIGLIST |
231 | extern char *sys_siglist[]; | |
232 | #endif | |
b4f26d54 | 233 | int |
6999161a TT |
234 | main() |
235 | { | |
236 | char *msg = sys_siglist[2]; | |
237 | exit(msg == 0); | |
238 | }], | |
239 | bash_cv_sys_siglist=yes, bash_cv_sys_siglist=no, | |
240 | [AC_MSG_WARN(cannot check for sys_siglist if cross compiling -- defaulting to no) | |
241 | bash_cv_sys_siglist=no])]) | |
242 | AC_MSG_RESULT($bash_cv_sys_siglist) | |
243 | if test $bash_cv_sys_siglist = yes; then | |
244 | AC_DEFINE(HAVE_SYS_SIGLIST) | |
245 | fi | |
246 | ]) | |
247 | ||
248 | dnl Check for the various permutations of sys_siglist and make sure we | |
249 | dnl compile in siglist.o if they're not defined | |
250 | AC_DEFUN(BASH_CHECK_SYS_SIGLIST, [ | |
251 | AC_REQUIRE([BASH_SYS_SIGLIST]) | |
252 | AC_REQUIRE([BASH_DECL_UNDER_SYS_SIGLIST]) | |
253 | AC_REQUIRE([BASH_FUNC_STRSIGNAL]) | |
254 | if test "$bash_cv_sys_siglist" = no && test "$bash_cv_under_sys_siglist" = no && test "$bash_cv_have_strsignal" = no; then | |
255 | SIGLIST_O=siglist.o | |
256 | else | |
257 | SIGLIST_O= | |
258 | fi | |
259 | AC_SUBST([SIGLIST_O]) | |
260 | ]) | |
261 | ||
262 | dnl Check for sys_errlist[] and sys_nerr, check for declaration | |
263 | AC_DEFUN(BASH_SYS_ERRLIST, | |
264 | [AC_MSG_CHECKING([for sys_errlist and sys_nerr]) | |
265 | AC_CACHE_VAL(bash_cv_sys_errlist, | |
266 | [AC_TRY_LINK([#include <errno.h>], | |
267 | [extern char *sys_errlist[]; | |
268 | extern int sys_nerr; | |
269 | char *msg = sys_errlist[sys_nerr - 1];], | |
270 | bash_cv_sys_errlist=yes, bash_cv_sys_errlist=no)])dnl | |
271 | AC_MSG_RESULT($bash_cv_sys_errlist) | |
272 | if test $bash_cv_sys_errlist = yes; then | |
273 | AC_DEFINE(HAVE_SYS_ERRLIST) | |
274 | fi | |
275 | ]) | |
276 | ||
277 | dnl | |
278 | dnl Check if dup2() does not clear the close on exec flag | |
279 | dnl | |
280 | AC_DEFUN(BASH_FUNC_DUP2_CLOEXEC_CHECK, | |
281 | [AC_MSG_CHECKING(if dup2 fails to clear the close-on-exec flag) | |
282 | AC_CACHE_VAL(bash_cv_dup2_broken, | |
283 | [AC_TRY_RUN([ | |
284 | #include <sys/types.h> | |
285 | #include <fcntl.h> | |
b4f26d54 TT |
286 | #include <stdlib.h> |
287 | int | |
6999161a TT |
288 | main() |
289 | { | |
290 | int fd1, fd2, fl; | |
291 | fd1 = open("/dev/null", 2); | |
292 | if (fcntl(fd1, 2, 1) < 0) | |
293 | exit(1); | |
294 | fd2 = dup2(fd1, 1); | |
295 | if (fd2 < 0) | |
296 | exit(2); | |
297 | fl = fcntl(fd2, 1, 0); | |
298 | /* fl will be 1 if dup2 did not reset the close-on-exec flag. */ | |
299 | exit(fl != 1); | |
300 | } | |
301 | ], bash_cv_dup2_broken=yes, bash_cv_dup2_broken=no, | |
302 | [AC_MSG_WARN(cannot check dup2 if cross compiling -- defaulting to no) | |
303 | bash_cv_dup2_broken=no]) | |
304 | ]) | |
305 | AC_MSG_RESULT($bash_cv_dup2_broken) | |
306 | if test $bash_cv_dup2_broken = yes; then | |
307 | AC_DEFINE(DUP2_BROKEN) | |
308 | fi | |
309 | ]) | |
310 | ||
311 | AC_DEFUN(BASH_FUNC_STRSIGNAL, | |
312 | [AC_MSG_CHECKING([for the existence of strsignal]) | |
313 | AC_CACHE_VAL(bash_cv_have_strsignal, | |
314 | [AC_TRY_LINK([#include <sys/types.h> | |
b4f26d54 TT |
315 | #include <signal.h> |
316 | #include <string.h>], | |
6999161a TT |
317 | [char *s = (char *)strsignal(2);], |
318 | bash_cv_have_strsignal=yes, bash_cv_have_strsignal=no)]) | |
319 | AC_MSG_RESULT($bash_cv_have_strsignal) | |
320 | if test $bash_cv_have_strsignal = yes; then | |
321 | AC_DEFINE(HAVE_STRSIGNAL) | |
322 | fi | |
323 | ]) | |
324 | ||
325 | dnl Check to see if opendir will open non-directories (not a nice thing) | |
326 | AC_DEFUN(BASH_FUNC_OPENDIR_CHECK, | |
327 | [AC_REQUIRE([AC_HEADER_DIRENT])dnl | |
328 | AC_MSG_CHECKING(if opendir() opens non-directories) | |
329 | AC_CACHE_VAL(bash_cv_opendir_not_robust, | |
330 | [AC_TRY_RUN([ | |
331 | #include <stdio.h> | |
332 | #include <sys/types.h> | |
333 | #include <fcntl.h> | |
334 | #ifdef HAVE_UNISTD_H | |
335 | # include <unistd.h> | |
336 | #endif /* HAVE_UNISTD_H */ | |
b4f26d54 TT |
337 | #ifdef HAVE_SYS_STAT_H |
338 | #include <sys/stat.h> | |
339 | #endif | |
6999161a TT |
340 | #if defined(HAVE_DIRENT_H) |
341 | # include <dirent.h> | |
342 | #else | |
343 | # define dirent direct | |
344 | # ifdef HAVE_SYS_NDIR_H | |
345 | # include <sys/ndir.h> | |
346 | # endif /* SYSNDIR */ | |
347 | # ifdef HAVE_SYS_DIR_H | |
348 | # include <sys/dir.h> | |
349 | # endif /* SYSDIR */ | |
350 | # ifdef HAVE_NDIR_H | |
351 | # include <ndir.h> | |
352 | # endif | |
353 | #endif /* HAVE_DIRENT_H */ | |
b4f26d54 TT |
354 | #include <stdlib.h> |
355 | int | |
6999161a TT |
356 | main() |
357 | { | |
358 | DIR *dir; | |
359 | int fd, err; | |
360 | err = mkdir("bash-aclocal", 0700); | |
361 | if (err < 0) { | |
362 | perror("mkdir"); | |
363 | exit(1); | |
364 | } | |
365 | unlink("bash-aclocal/not_a_directory"); | |
366 | fd = open("bash-aclocal/not_a_directory", O_WRONLY|O_CREAT|O_EXCL, 0666); | |
367 | write(fd, "\n", 1); | |
368 | close(fd); | |
369 | dir = opendir("bash-aclocal/not_a_directory"); | |
370 | unlink("bash-aclocal/not_a_directory"); | |
371 | rmdir("bash-aclocal"); | |
372 | exit (dir == 0); | |
373 | }], bash_cv_opendir_not_robust=yes,bash_cv_opendir_not_robust=no, | |
374 | [AC_MSG_WARN(cannot check opendir if cross compiling -- defaulting to no) | |
375 | bash_cv_opendir_not_robust=no] | |
376 | )]) | |
377 | AC_MSG_RESULT($bash_cv_opendir_not_robust) | |
378 | if test $bash_cv_opendir_not_robust = yes; then | |
379 | AC_DEFINE(OPENDIR_NOT_ROBUST) | |
380 | fi | |
381 | ]) | |
382 | ||
383 | dnl | |
384 | AC_DEFUN(BASH_TYPE_SIGHANDLER, | |
385 | [AC_MSG_CHECKING([whether signal handlers are of type void]) | |
386 | AC_CACHE_VAL(bash_cv_void_sighandler, | |
387 | [AC_TRY_COMPILE([#include <sys/types.h> | |
388 | #include <signal.h> | |
389 | #ifdef signal | |
390 | #undef signal | |
391 | #endif | |
392 | #ifdef __cplusplus | |
393 | extern "C" | |
394 | #endif | |
395 | void (*signal ()) ();], | |
396 | [int i;], bash_cv_void_sighandler=yes, bash_cv_void_sighandler=no)])dnl | |
397 | AC_MSG_RESULT($bash_cv_void_sighandler) | |
398 | if test $bash_cv_void_sighandler = yes; then | |
399 | AC_DEFINE(VOID_SIGHANDLER) | |
400 | fi | |
401 | ]) | |
402 | ||
403 | dnl | |
404 | dnl A signed 16-bit integer quantity | |
405 | dnl | |
406 | AC_DEFUN(BASH_TYPE_BITS16_T, | |
407 | [ | |
408 | if test "$ac_cv_sizeof_short" = 2; then | |
409 | AC_CHECK_TYPE(bits16_t, short) | |
410 | elif test "$ac_cv_sizeof_char" = 2; then | |
411 | AC_CHECK_TYPE(bits16_t, char) | |
412 | else | |
413 | AC_CHECK_TYPE(bits16_t, short) | |
414 | fi | |
415 | ]) | |
416 | ||
417 | dnl | |
418 | dnl An unsigned 16-bit integer quantity | |
419 | dnl | |
420 | AC_DEFUN(BASH_TYPE_U_BITS16_T, | |
421 | [ | |
422 | if test "$ac_cv_sizeof_short" = 2; then | |
423 | AC_CHECK_TYPE(u_bits16_t, unsigned short) | |
424 | elif test "$ac_cv_sizeof_char" = 2; then | |
425 | AC_CHECK_TYPE(u_bits16_t, unsigned char) | |
426 | else | |
427 | AC_CHECK_TYPE(u_bits16_t, unsigned short) | |
428 | fi | |
429 | ]) | |
430 | ||
431 | dnl | |
432 | dnl A signed 32-bit integer quantity | |
433 | dnl | |
434 | AC_DEFUN(BASH_TYPE_BITS32_T, | |
435 | [ | |
436 | if test "$ac_cv_sizeof_int" = 4; then | |
437 | AC_CHECK_TYPE(bits32_t, int) | |
438 | elif test "$ac_cv_sizeof_long" = 4; then | |
439 | AC_CHECK_TYPE(bits32_t, long) | |
440 | else | |
441 | AC_CHECK_TYPE(bits32_t, int) | |
442 | fi | |
443 | ]) | |
444 | ||
445 | dnl | |
446 | dnl An unsigned 32-bit integer quantity | |
447 | dnl | |
448 | AC_DEFUN(BASH_TYPE_U_BITS32_T, | |
449 | [ | |
450 | if test "$ac_cv_sizeof_int" = 4; then | |
451 | AC_CHECK_TYPE(u_bits32_t, unsigned int) | |
452 | elif test "$ac_cv_sizeof_long" = 4; then | |
453 | AC_CHECK_TYPE(u_bits32_t, unsigned long) | |
454 | else | |
455 | AC_CHECK_TYPE(u_bits32_t, unsigned int) | |
456 | fi | |
457 | ]) | |
458 | ||
459 | AC_DEFUN(BASH_TYPE_PTRDIFF_T, | |
460 | [ | |
461 | if test "$ac_cv_sizeof_int" = "$ac_cv_sizeof_char_p"; then | |
462 | AC_CHECK_TYPE(ptrdiff_t, int) | |
463 | elif test "$ac_cv_sizeof_long" = "$ac_cv_sizeof_char_p"; then | |
464 | AC_CHECK_TYPE(ptrdiff_t, long) | |
465 | elif test "$ac_cv_type_long_long" = yes && test "$ac_cv_sizeof_long_long" = "$ac_cv_sizeof_char_p"; then | |
466 | AC_CHECK_TYPE(ptrdiff_t, [long long]) | |
467 | else | |
468 | AC_CHECK_TYPE(ptrdiff_t, int) | |
469 | fi | |
470 | ]) | |
471 | ||
472 | dnl | |
473 | dnl A signed 64-bit quantity | |
474 | dnl | |
475 | AC_DEFUN(BASH_TYPE_BITS64_T, | |
476 | [ | |
477 | if test "$ac_cv_sizeof_char_p" = 8; then | |
478 | AC_CHECK_TYPE(bits64_t, char *) | |
479 | elif test "$ac_cv_sizeof_double" = 8; then | |
480 | AC_CHECK_TYPE(bits64_t, double) | |
481 | elif test -n "$ac_cv_type_long_long" && test "$ac_cv_sizeof_long_long" = 8; then | |
482 | AC_CHECK_TYPE(bits64_t, [long long]) | |
483 | elif test "$ac_cv_sizeof_long" = 8; then | |
484 | AC_CHECK_TYPE(bits64_t, long) | |
485 | else | |
486 | AC_CHECK_TYPE(bits64_t, double) | |
487 | fi | |
488 | ]) | |
489 | ||
490 | AC_DEFUN(BASH_TYPE_LONG_LONG, | |
491 | [ | |
492 | AC_CACHE_CHECK([for long long], bash_cv_type_long_long, | |
493 | [AC_TRY_LINK([ | |
494 | long long ll = 1; int i = 63;], | |
495 | [ | |
496 | long long llm = (long long) -1; | |
497 | return ll << i | ll >> i | llm / ll | llm % ll; | |
498 | ], bash_cv_type_long_long='long long', bash_cv_type_long_long='long')]) | |
499 | if test "$bash_cv_type_long_long" = 'long long'; then | |
500 | AC_DEFINE(HAVE_LONG_LONG, 1) | |
501 | fi | |
502 | ]) | |
503 | ||
504 | AC_DEFUN(BASH_TYPE_UNSIGNED_LONG_LONG, | |
505 | [ | |
506 | AC_CACHE_CHECK([for unsigned long long], bash_cv_type_unsigned_long_long, | |
507 | [AC_TRY_LINK([ | |
508 | unsigned long long ull = 1; int i = 63;], | |
509 | [ | |
510 | unsigned long long ullmax = (unsigned long long) -1; | |
511 | return ull << i | ull >> i | ullmax / ull | ullmax % ull; | |
512 | ], bash_cv_type_unsigned_long_long='unsigned long long', | |
513 | bash_cv_type_unsigned_long_long='unsigned long')]) | |
514 | if test "$bash_cv_type_unsigned_long_long" = 'unsigned long long'; then | |
515 | AC_DEFINE(HAVE_UNSIGNED_LONG_LONG, 1) | |
516 | fi | |
517 | ]) | |
518 | ||
519 | dnl | |
520 | dnl Type of struct rlimit fields: some systems (OSF/1, NetBSD, RISC/os 5.0) | |
521 | dnl have a rlim_t, others (4.4BSD based systems) use quad_t, others use | |
522 | dnl long and still others use int (HP-UX 9.01, SunOS 4.1.3). To simplify | |
523 | dnl matters, this just checks for rlim_t, quad_t, or long. | |
524 | dnl | |
525 | AC_DEFUN(BASH_TYPE_RLIMIT, | |
526 | [AC_MSG_CHECKING(for size and type of struct rlimit fields) | |
527 | AC_CACHE_VAL(bash_cv_type_rlimit, | |
528 | [AC_TRY_COMPILE([#include <sys/types.h> | |
529 | #include <sys/resource.h>], | |
530 | [rlim_t xxx;], bash_cv_type_rlimit=rlim_t,[ | |
531 | AC_TRY_RUN([ | |
532 | #include <sys/types.h> | |
533 | #include <sys/time.h> | |
534 | #include <sys/resource.h> | |
b4f26d54 TT |
535 | #include <stdlib.h> |
536 | int | |
6999161a TT |
537 | main() |
538 | { | |
539 | #ifdef HAVE_QUAD_T | |
540 | struct rlimit rl; | |
541 | if (sizeof(rl.rlim_cur) == sizeof(quad_t)) | |
542 | exit(0); | |
543 | #endif | |
544 | exit(1); | |
545 | }], bash_cv_type_rlimit=quad_t, bash_cv_type_rlimit=long, | |
546 | [AC_MSG_WARN(cannot check quad_t if cross compiling -- defaulting to long) | |
547 | bash_cv_type_rlimit=long])]) | |
548 | ]) | |
549 | AC_MSG_RESULT($bash_cv_type_rlimit) | |
550 | if test $bash_cv_type_rlimit = quad_t; then | |
551 | AC_DEFINE(RLIMTYPE, quad_t) | |
552 | elif test $bash_cv_type_rlimit = rlim_t; then | |
553 | AC_DEFINE(RLIMTYPE, rlim_t) | |
554 | fi | |
555 | ]) | |
556 | ||
557 | AC_DEFUN(BASH_TYPE_SIG_ATOMIC_T, | |
558 | [AC_CACHE_CHECK([for sig_atomic_t in signal.h], ac_cv_have_sig_atomic_t, | |
559 | [AC_TRY_LINK([ | |
560 | #include <signal.h> | |
561 | ],[ sig_atomic_t x; ], | |
562 | ac_cv_have_sig_atomic_t=yes, ac_cv_have_sig_atomic_t=no)]) | |
563 | if test "$ac_cv_have_sig_atomic_t" = "no" | |
564 | then | |
565 | AC_CHECK_TYPE(sig_atomic_t,int) | |
566 | fi | |
567 | ]) | |
568 | ||
569 | AC_DEFUN(BASH_FUNC_LSTAT, | |
570 | [dnl Cannot use AC_CHECK_FUNCS(lstat) because Linux defines lstat() as an | |
571 | dnl inline function in <sys/stat.h>. | |
572 | AC_CACHE_CHECK([for lstat], bash_cv_func_lstat, | |
573 | [AC_TRY_LINK([ | |
574 | #include <sys/types.h> | |
575 | #include <sys/stat.h> | |
576 | ],[ lstat(".",(struct stat *)0); ], | |
577 | bash_cv_func_lstat=yes, bash_cv_func_lstat=no)]) | |
578 | if test $bash_cv_func_lstat = yes; then | |
579 | AC_DEFINE(HAVE_LSTAT) | |
580 | fi | |
581 | ]) | |
582 | ||
583 | AC_DEFUN(BASH_FUNC_INET_ATON, | |
584 | [ | |
585 | AC_CACHE_CHECK([for inet_aton], bash_cv_func_inet_aton, | |
586 | [AC_TRY_LINK([ | |
587 | #include <sys/types.h> | |
588 | #include <netinet/in.h> | |
589 | #include <arpa/inet.h> | |
590 | struct in_addr ap;], [ inet_aton("127.0.0.1", &ap); ], | |
591 | bash_cv_func_inet_aton=yes, bash_cv_func_inet_aton=no)]) | |
592 | if test $bash_cv_func_inet_aton = yes; then | |
593 | AC_DEFINE(HAVE_INET_ATON) | |
594 | else | |
595 | AC_LIBOBJ(inet_aton) | |
596 | fi | |
597 | ]) | |
598 | ||
599 | AC_DEFUN(BASH_FUNC_GETENV, | |
600 | [AC_MSG_CHECKING(to see if getenv can be redefined) | |
601 | AC_CACHE_VAL(bash_cv_getenv_redef, | |
602 | [AC_TRY_RUN([ | |
603 | #ifdef HAVE_UNISTD_H | |
604 | # include <unistd.h> | |
605 | #endif | |
b4f26d54 | 606 | #include <stdlib.h> |
6999161a TT |
607 | #ifndef __STDC__ |
608 | # ifndef const | |
609 | # define const | |
610 | # endif | |
611 | #endif | |
612 | char * | |
613 | getenv (name) | |
614 | #if defined (__linux__) || defined (__bsdi__) || defined (convex) | |
615 | const char *name; | |
616 | #else | |
617 | char const *name; | |
618 | #endif /* !__linux__ && !__bsdi__ && !convex */ | |
619 | { | |
620 | return "42"; | |
621 | } | |
b4f26d54 | 622 | int |
6999161a TT |
623 | main() |
624 | { | |
625 | char *s; | |
626 | /* The next allows this program to run, but does not allow bash to link | |
627 | when it redefines getenv. I'm not really interested in figuring out | |
628 | why not. */ | |
629 | #if defined (NeXT) | |
630 | exit(1); | |
631 | #endif | |
632 | s = getenv("ABCDE"); | |
633 | exit(s == 0); /* force optimizer to leave getenv in */ | |
634 | } | |
635 | ], bash_cv_getenv_redef=yes, bash_cv_getenv_redef=no, | |
636 | [AC_MSG_WARN(cannot check getenv redefinition if cross compiling -- defaulting to yes) | |
637 | bash_cv_getenv_redef=yes] | |
638 | )]) | |
639 | AC_MSG_RESULT($bash_cv_getenv_redef) | |
640 | if test $bash_cv_getenv_redef = yes; then | |
641 | AC_DEFINE(CAN_REDEFINE_GETENV) | |
642 | fi | |
643 | ]) | |
644 | ||
645 | # We should check for putenv before calling this | |
646 | AC_DEFUN(BASH_FUNC_STD_PUTENV, | |
647 | [ | |
648 | AC_REQUIRE([AC_HEADER_STDC]) | |
649 | AC_REQUIRE([AC_C_PROTOTYPES]) | |
650 | AC_CACHE_CHECK([for standard-conformant putenv declaration], bash_cv_std_putenv, | |
651 | [AC_TRY_LINK([ | |
652 | #if STDC_HEADERS | |
653 | #include <stdlib.h> | |
654 | #include <stddef.h> | |
655 | #endif | |
656 | #ifndef __STDC__ | |
657 | # ifndef const | |
658 | # define const | |
659 | # endif | |
660 | #endif | |
661 | #ifdef PROTOTYPES | |
662 | extern int putenv (char *); | |
663 | #else | |
664 | extern int putenv (); | |
665 | #endif | |
666 | ], | |
667 | [return (putenv == 0);], | |
668 | bash_cv_std_putenv=yes, bash_cv_std_putenv=no | |
669 | )]) | |
670 | if test $bash_cv_std_putenv = yes; then | |
671 | AC_DEFINE(HAVE_STD_PUTENV) | |
672 | fi | |
673 | ]) | |
674 | ||
675 | # We should check for unsetenv before calling this | |
676 | AC_DEFUN(BASH_FUNC_STD_UNSETENV, | |
677 | [ | |
678 | AC_REQUIRE([AC_HEADER_STDC]) | |
679 | AC_REQUIRE([AC_C_PROTOTYPES]) | |
680 | AC_CACHE_CHECK([for standard-conformant unsetenv declaration], bash_cv_std_unsetenv, | |
681 | [AC_TRY_LINK([ | |
682 | #if STDC_HEADERS | |
683 | #include <stdlib.h> | |
684 | #include <stddef.h> | |
685 | #endif | |
686 | #ifndef __STDC__ | |
687 | # ifndef const | |
688 | # define const | |
689 | # endif | |
690 | #endif | |
691 | #ifdef PROTOTYPES | |
692 | extern int unsetenv (const char *); | |
693 | #else | |
694 | extern int unsetenv (); | |
695 | #endif | |
696 | ], | |
697 | [return (unsetenv == 0);], | |
698 | bash_cv_std_unsetenv=yes, bash_cv_std_unsetenv=no | |
699 | )]) | |
700 | if test $bash_cv_std_unsetenv = yes; then | |
701 | AC_DEFINE(HAVE_STD_UNSETENV) | |
702 | fi | |
703 | ]) | |
704 | ||
705 | AC_DEFUN(BASH_FUNC_ULIMIT_MAXFDS, | |
706 | [AC_MSG_CHECKING(whether ulimit can substitute for getdtablesize) | |
707 | AC_CACHE_VAL(bash_cv_ulimit_maxfds, | |
708 | [AC_TRY_RUN([ | |
b4f26d54 TT |
709 | #include <stdlib.h> |
710 | #ifdef HAVE_ULIMIT_H | |
711 | #include <ulimit.h> | |
712 | #endif | |
713 | int | |
6999161a TT |
714 | main() |
715 | { | |
716 | long maxfds = ulimit(4, 0L); | |
717 | exit (maxfds == -1L); | |
718 | } | |
719 | ], bash_cv_ulimit_maxfds=yes, bash_cv_ulimit_maxfds=no, | |
720 | [AC_MSG_WARN(cannot check ulimit if cross compiling -- defaulting to no) | |
721 | bash_cv_ulimit_maxfds=no] | |
722 | )]) | |
723 | AC_MSG_RESULT($bash_cv_ulimit_maxfds) | |
724 | if test $bash_cv_ulimit_maxfds = yes; then | |
725 | AC_DEFINE(ULIMIT_MAXFDS) | |
726 | fi | |
727 | ]) | |
728 | ||
729 | AC_DEFUN(BASH_FUNC_GETCWD, | |
730 | [AC_MSG_CHECKING([if getcwd() will dynamically allocate memory with 0 size]) | |
731 | AC_CACHE_VAL(bash_cv_getcwd_malloc, | |
732 | [AC_TRY_RUN([ | |
733 | #include <stdio.h> | |
734 | #ifdef HAVE_UNISTD_H | |
735 | #include <unistd.h> | |
736 | #endif | |
b4f26d54 | 737 | #include <stdlib.h> |
6999161a | 738 | |
b4f26d54 | 739 | int |
6999161a TT |
740 | main() |
741 | { | |
742 | char *xpwd; | |
743 | xpwd = getcwd(0, 0); | |
744 | exit (xpwd == 0); | |
745 | } | |
746 | ], bash_cv_getcwd_malloc=yes, bash_cv_getcwd_malloc=no, | |
747 | [AC_MSG_WARN(cannot check whether getcwd allocates memory when cross-compiling -- defaulting to no) | |
748 | bash_cv_getcwd_malloc=no] | |
749 | )]) | |
750 | AC_MSG_RESULT($bash_cv_getcwd_malloc) | |
751 | if test $bash_cv_getcwd_malloc = no; then | |
752 | AC_DEFINE(GETCWD_BROKEN) | |
753 | AC_LIBOBJ(getcwd) | |
754 | fi | |
755 | ]) | |
756 | ||
757 | dnl | |
758 | dnl This needs BASH_CHECK_SOCKLIB, but since that's not called on every | |
759 | dnl system, we can't use AC_PREREQ | |
760 | dnl | |
761 | AC_DEFUN(BASH_FUNC_GETHOSTBYNAME, | |
762 | [if test "X$bash_cv_have_gethostbyname" = "X"; then | |
763 | _bash_needmsg=yes | |
764 | else | |
765 | AC_MSG_CHECKING(for gethostbyname in socket library) | |
766 | _bash_needmsg= | |
767 | fi | |
768 | AC_CACHE_VAL(bash_cv_have_gethostbyname, | |
769 | [AC_TRY_LINK([#include <netdb.h>], | |
770 | [ struct hostent *hp; | |
771 | hp = gethostbyname("localhost"); | |
772 | ], bash_cv_have_gethostbyname=yes, bash_cv_have_gethostbyname=no)] | |
773 | ) | |
774 | if test "X$_bash_needmsg" = Xyes; then | |
775 | AC_MSG_CHECKING(for gethostbyname in socket library) | |
776 | fi | |
777 | AC_MSG_RESULT($bash_cv_have_gethostbyname) | |
778 | if test "$bash_cv_have_gethostbyname" = yes; then | |
779 | AC_DEFINE(HAVE_GETHOSTBYNAME) | |
780 | fi | |
781 | ]) | |
782 | ||
783 | AC_DEFUN(BASH_FUNC_FNMATCH_EXTMATCH, | |
784 | [AC_MSG_CHECKING(if fnmatch does extended pattern matching with FNM_EXTMATCH) | |
785 | AC_CACHE_VAL(bash_cv_fnm_extmatch, | |
786 | [AC_TRY_RUN([ | |
787 | #include <fnmatch.h> | |
788 | ||
b4f26d54 | 789 | int |
6999161a TT |
790 | main() |
791 | { | |
792 | #ifdef FNM_EXTMATCH | |
b4f26d54 | 793 | return (0); |
6999161a | 794 | #else |
b4f26d54 | 795 | return (1); |
6999161a TT |
796 | #endif |
797 | } | |
798 | ], bash_cv_fnm_extmatch=yes, bash_cv_fnm_extmatch=no, | |
799 | [AC_MSG_WARN(cannot check FNM_EXTMATCH if cross compiling -- defaulting to no) | |
800 | bash_cv_fnm_extmatch=no]) | |
801 | ]) | |
802 | AC_MSG_RESULT($bash_cv_fnm_extmatch) | |
803 | if test $bash_cv_fnm_extmatch = yes; then | |
804 | AC_DEFINE(HAVE_LIBC_FNM_EXTMATCH) | |
805 | fi | |
806 | ]) | |
807 | ||
808 | AC_DEFUN(BASH_FUNC_POSIX_SETJMP, | |
809 | [AC_REQUIRE([BASH_SYS_SIGNAL_VINTAGE]) | |
810 | AC_MSG_CHECKING(for presence of POSIX-style sigsetjmp/siglongjmp) | |
811 | AC_CACHE_VAL(bash_cv_func_sigsetjmp, | |
812 | [AC_TRY_RUN([ | |
813 | #ifdef HAVE_UNISTD_H | |
814 | #include <unistd.h> | |
815 | #endif | |
816 | #include <sys/types.h> | |
817 | #include <signal.h> | |
818 | #include <setjmp.h> | |
b4f26d54 | 819 | #include <stdlib.h> |
6999161a | 820 | |
b4f26d54 | 821 | int |
6999161a TT |
822 | main() |
823 | { | |
824 | #if !defined (_POSIX_VERSION) || !defined (HAVE_POSIX_SIGNALS) | |
825 | exit (1); | |
826 | #else | |
827 | ||
828 | int code; | |
829 | sigset_t set, oset; | |
830 | sigjmp_buf xx; | |
831 | ||
832 | /* get the mask */ | |
833 | sigemptyset(&set); | |
834 | sigemptyset(&oset); | |
835 | sigprocmask(SIG_BLOCK, (sigset_t *)NULL, &set); | |
836 | sigprocmask(SIG_BLOCK, (sigset_t *)NULL, &oset); | |
837 | ||
838 | /* save it */ | |
839 | code = sigsetjmp(xx, 1); | |
840 | if (code) | |
841 | exit(0); /* could get sigmask and compare to oset here. */ | |
842 | ||
843 | /* change it */ | |
844 | sigaddset(&set, SIGINT); | |
845 | sigprocmask(SIG_BLOCK, &set, (sigset_t *)NULL); | |
846 | ||
847 | /* and siglongjmp */ | |
848 | siglongjmp(xx, 10); | |
849 | exit(1); | |
850 | #endif | |
851 | }], bash_cv_func_sigsetjmp=present, bash_cv_func_sigsetjmp=missing, | |
852 | [AC_MSG_WARN(cannot check for sigsetjmp/siglongjmp if cross-compiling -- defaulting to missing) | |
853 | bash_cv_func_sigsetjmp=missing] | |
854 | )]) | |
855 | AC_MSG_RESULT($bash_cv_func_sigsetjmp) | |
856 | if test $bash_cv_func_sigsetjmp = present; then | |
857 | AC_DEFINE(HAVE_POSIX_SIGSETJMP) | |
858 | fi | |
859 | ]) | |
860 | ||
861 | AC_DEFUN(BASH_FUNC_STRCOLL, | |
862 | [ | |
863 | AC_MSG_CHECKING(whether or not strcoll and strcmp differ) | |
864 | AC_CACHE_VAL(bash_cv_func_strcoll_broken, | |
865 | [AC_TRY_RUN([ | |
866 | #include <stdio.h> | |
867 | #if defined (HAVE_LOCALE_H) | |
868 | #include <locale.h> | |
869 | #endif | |
b4f26d54 TT |
870 | #include <string.h> |
871 | #include <stdlib.h> | |
6999161a | 872 | |
b4f26d54 | 873 | int |
6999161a TT |
874 | main(c, v) |
875 | int c; | |
876 | char *v[]; | |
877 | { | |
878 | int r1, r2; | |
879 | char *deflocale, *defcoll; | |
880 | ||
881 | #ifdef HAVE_SETLOCALE | |
882 | deflocale = setlocale(LC_ALL, ""); | |
883 | defcoll = setlocale(LC_COLLATE, ""); | |
884 | #endif | |
885 | ||
886 | #ifdef HAVE_STRCOLL | |
887 | /* These two values are taken from tests/glob-test. */ | |
888 | r1 = strcoll("abd", "aXd"); | |
889 | #else | |
890 | r1 = 0; | |
891 | #endif | |
892 | r2 = strcmp("abd", "aXd"); | |
893 | ||
894 | /* These two should both be greater than 0. It is permissible for | |
895 | a system to return different values, as long as the sign is the | |
896 | same. */ | |
897 | ||
898 | /* Exit with 1 (failure) if these two values are both > 0, since | |
899 | this tests whether strcoll(3) is broken with respect to strcmp(3) | |
900 | in the default locale. */ | |
901 | exit (r1 > 0 && r2 > 0); | |
902 | } | |
903 | ], bash_cv_func_strcoll_broken=yes, bash_cv_func_strcoll_broken=no, | |
904 | [AC_MSG_WARN(cannot check strcoll if cross compiling -- defaulting to no) | |
905 | bash_cv_func_strcoll_broken=no] | |
906 | )]) | |
907 | AC_MSG_RESULT($bash_cv_func_strcoll_broken) | |
908 | if test $bash_cv_func_strcoll_broken = yes; then | |
909 | AC_DEFINE(STRCOLL_BROKEN) | |
910 | fi | |
911 | ]) | |
912 | ||
913 | AC_DEFUN(BASH_FUNC_PRINTF_A_FORMAT, | |
914 | [AC_MSG_CHECKING([for printf floating point output in hex notation]) | |
915 | AC_CACHE_VAL(bash_cv_printf_a_format, | |
916 | [AC_TRY_RUN([ | |
917 | #include <stdio.h> | |
918 | #include <string.h> | |
b4f26d54 | 919 | #include <stdlib.h> |
6999161a TT |
920 | |
921 | int | |
922 | main() | |
923 | { | |
924 | double y = 0.0; | |
925 | char abuf[1024]; | |
926 | ||
927 | sprintf(abuf, "%A", y); | |
928 | exit(strchr(abuf, 'P') == (char *)0); | |
929 | } | |
930 | ], bash_cv_printf_a_format=yes, bash_cv_printf_a_format=no, | |
931 | [AC_MSG_WARN(cannot check printf if cross compiling -- defaulting to no) | |
932 | bash_cv_printf_a_format=no] | |
933 | )]) | |
934 | AC_MSG_RESULT($bash_cv_printf_a_format) | |
935 | if test $bash_cv_printf_a_format = yes; then | |
936 | AC_DEFINE(HAVE_PRINTF_A_FORMAT) | |
937 | fi | |
938 | ]) | |
939 | ||
940 | AC_DEFUN(BASH_STRUCT_TERMIOS_LDISC, | |
941 | [ | |
942 | AC_CHECK_MEMBER(struct termios.c_line, AC_DEFINE(TERMIOS_LDISC), ,[ | |
943 | #include <sys/types.h> | |
944 | #include <termios.h> | |
945 | ]) | |
946 | ]) | |
947 | ||
948 | AC_DEFUN(BASH_STRUCT_TERMIO_LDISC, | |
949 | [ | |
950 | AC_CHECK_MEMBER(struct termio.c_line, AC_DEFINE(TERMIO_LDISC), ,[ | |
951 | #include <sys/types.h> | |
952 | #include <termio.h> | |
953 | ]) | |
954 | ]) | |
955 | ||
956 | dnl | |
957 | dnl Like AC_STRUCT_ST_BLOCKS, but doesn't muck with LIBOBJS | |
958 | dnl | |
959 | dnl sets bash_cv_struct_stat_st_blocks | |
960 | dnl | |
961 | dnl unused for now; we'll see how AC_CHECK_MEMBERS works | |
962 | dnl | |
963 | AC_DEFUN(BASH_STRUCT_ST_BLOCKS, | |
964 | [ | |
965 | AC_MSG_CHECKING([for struct stat.st_blocks]) | |
966 | AC_CACHE_VAL(bash_cv_struct_stat_st_blocks, | |
967 | [AC_TRY_COMPILE( | |
968 | [ | |
969 | #include <sys/types.h> | |
970 | #include <sys/stat.h> | |
971 | ], | |
972 | [ | |
b4f26d54 | 973 | int |
6999161a TT |
974 | main() |
975 | { | |
976 | static struct stat a; | |
977 | if (a.st_blocks) return 0; | |
978 | return 0; | |
979 | } | |
980 | ], bash_cv_struct_stat_st_blocks=yes, bash_cv_struct_stat_st_blocks=no) | |
981 | ]) | |
982 | AC_MSG_RESULT($bash_cv_struct_stat_st_blocks) | |
983 | if test "$bash_cv_struct_stat_st_blocks" = "yes"; then | |
984 | AC_DEFINE(HAVE_STRUCT_STAT_ST_BLOCKS) | |
985 | fi | |
986 | ]) | |
987 | ||
988 | AC_DEFUN([BASH_CHECK_LIB_TERMCAP], | |
989 | [ | |
990 | if test "X$bash_cv_termcap_lib" = "X"; then | |
991 | _bash_needmsg=yes | |
992 | else | |
993 | AC_MSG_CHECKING(which library has the termcap functions) | |
994 | _bash_needmsg= | |
995 | fi | |
996 | AC_CACHE_VAL(bash_cv_termcap_lib, | |
997 | [AC_CHECK_FUNC(tgetent, bash_cv_termcap_lib=libc, | |
998 | [AC_CHECK_LIB(termcap, tgetent, bash_cv_termcap_lib=libtermcap, | |
999 | [AC_CHECK_LIB(tinfo, tgetent, bash_cv_termcap_lib=libtinfo, | |
1000 | [AC_CHECK_LIB(curses, tgetent, bash_cv_termcap_lib=libcurses, | |
1001 | [AC_CHECK_LIB(ncurses, tgetent, bash_cv_termcap_lib=libncurses, | |
1002 | [AC_CHECK_LIB(ncursesw, tgetent, bash_cv_termcap_lib=libncursesw, | |
1003 | bash_cv_termcap_lib=gnutermcap)])])])])])]) | |
1004 | if test "X$_bash_needmsg" = "Xyes"; then | |
1005 | AC_MSG_CHECKING(which library has the termcap functions) | |
1006 | fi | |
1007 | AC_MSG_RESULT(using $bash_cv_termcap_lib) | |
1008 | if test $bash_cv_termcap_lib = gnutermcap && test -z "$prefer_curses"; then | |
1009 | LDFLAGS="$LDFLAGS -L./lib/termcap" | |
1010 | TERMCAP_LIB="./lib/termcap/libtermcap.a" | |
1011 | TERMCAP_DEP="./lib/termcap/libtermcap.a" | |
1012 | elif test $bash_cv_termcap_lib = libtermcap && test -z "$prefer_curses"; then | |
1013 | TERMCAP_LIB=-ltermcap | |
1014 | TERMCAP_DEP= | |
1015 | elif test $bash_cv_termcap_lib = libtinfo; then | |
1016 | TERMCAP_LIB=-ltinfo | |
1017 | TERMCAP_DEP= | |
1018 | elif test $bash_cv_termcap_lib = libncurses; then | |
1019 | TERMCAP_LIB=-lncurses | |
1020 | TERMCAP_DEP= | |
1021 | elif test $bash_cv_termcap_lib = libc; then | |
1022 | TERMCAP_LIB= | |
1023 | TERMCAP_DEP= | |
1024 | else | |
1025 | TERMCAP_LIB=-lcurses | |
1026 | TERMCAP_DEP= | |
1027 | fi | |
1028 | ]) | |
1029 | ||
1030 | dnl | |
1031 | dnl Check for the presence of getpeername in libsocket. | |
1032 | dnl If libsocket is present, check for libnsl and add it to LIBS if | |
1033 | dnl it's there, since most systems with libsocket require linking | |
1034 | dnl with libnsl as well. This should only be called if getpeername | |
1035 | dnl was not found in libc. | |
1036 | dnl | |
1037 | dnl NOTE: IF WE FIND GETPEERNAME, WE ASSUME THAT WE HAVE BIND/CONNECT | |
1038 | dnl AS WELL | |
1039 | dnl | |
1040 | AC_DEFUN(BASH_CHECK_LIB_SOCKET, | |
1041 | [ | |
1042 | if test "X$bash_cv_have_socklib" = "X"; then | |
1043 | _bash_needmsg= | |
1044 | else | |
1045 | AC_MSG_CHECKING(for socket library) | |
1046 | _bash_needmsg=yes | |
1047 | fi | |
1048 | AC_CACHE_VAL(bash_cv_have_socklib, | |
1049 | [AC_CHECK_LIB(socket, getpeername, | |
1050 | bash_cv_have_socklib=yes, bash_cv_have_socklib=no, -lnsl)]) | |
1051 | if test "X$_bash_needmsg" = Xyes; then | |
1052 | AC_MSG_RESULT($bash_cv_have_socklib) | |
1053 | _bash_needmsg= | |
1054 | fi | |
1055 | if test $bash_cv_have_socklib = yes; then | |
1056 | # check for libnsl, add it to LIBS if present | |
1057 | if test "X$bash_cv_have_libnsl" = "X"; then | |
1058 | _bash_needmsg= | |
1059 | else | |
1060 | AC_MSG_CHECKING(for libnsl) | |
1061 | _bash_needmsg=yes | |
1062 | fi | |
1063 | AC_CACHE_VAL(bash_cv_have_libnsl, | |
1064 | [AC_CHECK_LIB(nsl, t_open, | |
1065 | bash_cv_have_libnsl=yes, bash_cv_have_libnsl=no)]) | |
1066 | if test "X$_bash_needmsg" = Xyes; then | |
1067 | AC_MSG_RESULT($bash_cv_have_libnsl) | |
1068 | _bash_needmsg= | |
1069 | fi | |
1070 | if test $bash_cv_have_libnsl = yes; then | |
1071 | LIBS="-lsocket -lnsl $LIBS" | |
1072 | else | |
1073 | LIBS="-lsocket $LIBS" | |
1074 | fi | |
1075 | AC_DEFINE(HAVE_LIBSOCKET) | |
1076 | AC_DEFINE(HAVE_GETPEERNAME) | |
1077 | fi | |
1078 | ]) | |
1079 | ||
1080 | AC_DEFUN(BASH_STRUCT_DIRENT_D_INO, | |
1081 | [AC_REQUIRE([AC_HEADER_DIRENT]) | |
1082 | AC_MSG_CHECKING(for struct dirent.d_ino) | |
1083 | AC_CACHE_VAL(bash_cv_dirent_has_dino, | |
1084 | [AC_TRY_COMPILE([ | |
1085 | #include <stdio.h> | |
1086 | #include <sys/types.h> | |
1087 | #ifdef HAVE_UNISTD_H | |
1088 | # include <unistd.h> | |
1089 | #endif /* HAVE_UNISTD_H */ | |
1090 | #if defined(HAVE_DIRENT_H) | |
1091 | # include <dirent.h> | |
1092 | #else | |
1093 | # define dirent direct | |
1094 | # ifdef HAVE_SYS_NDIR_H | |
1095 | # include <sys/ndir.h> | |
1096 | # endif /* SYSNDIR */ | |
1097 | # ifdef HAVE_SYS_DIR_H | |
1098 | # include <sys/dir.h> | |
1099 | # endif /* SYSDIR */ | |
1100 | # ifdef HAVE_NDIR_H | |
1101 | # include <ndir.h> | |
1102 | # endif | |
1103 | #endif /* HAVE_DIRENT_H */ | |
1104 | ],[ | |
1105 | struct dirent d; int z; z = d.d_ino; | |
1106 | ], bash_cv_dirent_has_dino=yes, bash_cv_dirent_has_dino=no)]) | |
1107 | AC_MSG_RESULT($bash_cv_dirent_has_dino) | |
1108 | if test $bash_cv_dirent_has_dino = yes; then | |
1109 | AC_DEFINE(HAVE_STRUCT_DIRENT_D_INO) | |
1110 | fi | |
1111 | ]) | |
1112 | ||
1113 | AC_DEFUN(BASH_STRUCT_DIRENT_D_FILENO, | |
1114 | [AC_REQUIRE([AC_HEADER_DIRENT]) | |
1115 | AC_MSG_CHECKING(for struct dirent.d_fileno) | |
1116 | AC_CACHE_VAL(bash_cv_dirent_has_d_fileno, | |
1117 | [AC_TRY_COMPILE([ | |
1118 | #include <stdio.h> | |
1119 | #include <sys/types.h> | |
1120 | #ifdef HAVE_UNISTD_H | |
1121 | # include <unistd.h> | |
1122 | #endif /* HAVE_UNISTD_H */ | |
1123 | #if defined(HAVE_DIRENT_H) | |
1124 | # include <dirent.h> | |
1125 | #else | |
1126 | # define dirent direct | |
1127 | # ifdef HAVE_SYS_NDIR_H | |
1128 | # include <sys/ndir.h> | |
1129 | # endif /* SYSNDIR */ | |
1130 | # ifdef HAVE_SYS_DIR_H | |
1131 | # include <sys/dir.h> | |
1132 | # endif /* SYSDIR */ | |
1133 | # ifdef HAVE_NDIR_H | |
1134 | # include <ndir.h> | |
1135 | # endif | |
1136 | #endif /* HAVE_DIRENT_H */ | |
1137 | ],[ | |
1138 | struct dirent d; int z; z = d.d_fileno; | |
1139 | ], bash_cv_dirent_has_d_fileno=yes, bash_cv_dirent_has_d_fileno=no)]) | |
1140 | AC_MSG_RESULT($bash_cv_dirent_has_d_fileno) | |
1141 | if test $bash_cv_dirent_has_d_fileno = yes; then | |
1142 | AC_DEFINE(HAVE_STRUCT_DIRENT_D_FILENO) | |
1143 | fi | |
1144 | ]) | |
1145 | ||
1146 | AC_DEFUN(BASH_STRUCT_DIRENT_D_NAMLEN, | |
1147 | [AC_REQUIRE([AC_HEADER_DIRENT]) | |
1148 | AC_MSG_CHECKING(for struct dirent.d_namlen) | |
1149 | AC_CACHE_VAL(bash_cv_dirent_has_d_namlen, | |
1150 | [AC_TRY_COMPILE([ | |
1151 | #include <stdio.h> | |
1152 | #include <sys/types.h> | |
1153 | #ifdef HAVE_UNISTD_H | |
1154 | # include <unistd.h> | |
1155 | #endif /* HAVE_UNISTD_H */ | |
1156 | #if defined(HAVE_DIRENT_H) | |
1157 | # include <dirent.h> | |
1158 | #else | |
1159 | # define dirent direct | |
1160 | # ifdef HAVE_SYS_NDIR_H | |
1161 | # include <sys/ndir.h> | |
1162 | # endif /* SYSNDIR */ | |
1163 | # ifdef HAVE_SYS_DIR_H | |
1164 | # include <sys/dir.h> | |
1165 | # endif /* SYSDIR */ | |
1166 | # ifdef HAVE_NDIR_H | |
1167 | # include <ndir.h> | |
1168 | # endif | |
1169 | #endif /* HAVE_DIRENT_H */ | |
1170 | ],[ | |
1171 | struct dirent d; int z; z = d.d_namlen; | |
1172 | ], bash_cv_dirent_has_d_namlen=yes, bash_cv_dirent_has_d_namlen=no)]) | |
1173 | AC_MSG_RESULT($bash_cv_dirent_has_d_namlen) | |
1174 | if test $bash_cv_dirent_has_d_namlen = yes; then | |
1175 | AC_DEFINE(HAVE_STRUCT_DIRENT_D_NAMLEN) | |
1176 | fi | |
1177 | ]) | |
1178 | ||
1179 | AC_DEFUN(BASH_STRUCT_TIMEVAL, | |
1180 | [AC_MSG_CHECKING(for struct timeval in sys/time.h and time.h) | |
1181 | AC_CACHE_VAL(bash_cv_struct_timeval, | |
b4f26d54 TT |
1182 | [AC_COMPILE_IFELSE( |
1183 | [AC_LANG_PROGRAM( | |
1184 | [[#if HAVE_SYS_TIME_H | |
1185 | #include <sys/time.h> | |
1186 | #endif | |
1187 | #include <time.h> | |
1188 | ]], | |
1189 | [[static struct timeval x; x.tv_sec = x.tv_usec;]] | |
1190 | )], | |
1191 | bash_cv_struct_timeval=yes, | |
1192 | bash_cv_struct_timeval=no) | |
6999161a TT |
1193 | ]) |
1194 | AC_MSG_RESULT($bash_cv_struct_timeval) | |
1195 | if test $bash_cv_struct_timeval = yes; then | |
1196 | AC_DEFINE(HAVE_TIMEVAL) | |
1197 | fi | |
1198 | ]) | |
1199 | ||
1200 | AC_DEFUN(BASH_STRUCT_TIMEZONE, | |
1201 | [AC_MSG_CHECKING(for struct timezone in sys/time.h and time.h) | |
1202 | AC_CACHE_VAL(bash_cv_struct_timezone, | |
1203 | [ | |
1204 | AC_EGREP_HEADER(struct timezone, sys/time.h, | |
1205 | bash_cv_struct_timezone=yes, | |
1206 | AC_EGREP_HEADER(struct timezone, time.h, | |
1207 | bash_cv_struct_timezone=yes, | |
1208 | bash_cv_struct_timezone=no)) | |
1209 | ]) | |
1210 | AC_MSG_RESULT($bash_cv_struct_timezone) | |
1211 | if test $bash_cv_struct_timezone = yes; then | |
1212 | AC_DEFINE(HAVE_STRUCT_TIMEZONE) | |
1213 | fi | |
1214 | ]) | |
1215 | ||
1216 | AC_DEFUN(BASH_STRUCT_WINSIZE, | |
1217 | [AC_MSG_CHECKING(for struct winsize in sys/ioctl.h and termios.h) | |
1218 | AC_CACHE_VAL(bash_cv_struct_winsize_header, | |
1219 | [AC_TRY_COMPILE([#include <sys/types.h> | |
1220 | #include <sys/ioctl.h>], [struct winsize x;], | |
1221 | bash_cv_struct_winsize_header=ioctl_h, | |
1222 | [AC_TRY_COMPILE([#include <sys/types.h> | |
1223 | #include <termios.h>], [struct winsize x;], | |
1224 | bash_cv_struct_winsize_header=termios_h, bash_cv_struct_winsize_header=other) | |
1225 | ])]) | |
1226 | if test $bash_cv_struct_winsize_header = ioctl_h; then | |
1227 | AC_MSG_RESULT(sys/ioctl.h) | |
1228 | AC_DEFINE(STRUCT_WINSIZE_IN_SYS_IOCTL) | |
1229 | elif test $bash_cv_struct_winsize_header = termios_h; then | |
1230 | AC_MSG_RESULT(termios.h) | |
1231 | AC_DEFINE(STRUCT_WINSIZE_IN_TERMIOS) | |
1232 | else | |
1233 | AC_MSG_RESULT(not found) | |
1234 | fi | |
1235 | ]) | |
1236 | ||
1237 | dnl Check type of signal routines (posix, 4.2bsd, 4.1bsd or v7) | |
1238 | AC_DEFUN(BASH_SYS_SIGNAL_VINTAGE, | |
1239 | [AC_REQUIRE([AC_TYPE_SIGNAL]) | |
1240 | AC_MSG_CHECKING(for type of signal functions) | |
1241 | AC_CACHE_VAL(bash_cv_signal_vintage, | |
1242 | [ | |
1243 | AC_TRY_LINK([#include <signal.h>],[ | |
1244 | sigset_t ss; | |
1245 | struct sigaction sa; | |
1246 | sigemptyset(&ss); sigsuspend(&ss); | |
1247 | sigaction(SIGINT, &sa, (struct sigaction *) 0); | |
1248 | sigprocmask(SIG_BLOCK, &ss, (sigset_t *) 0); | |
1249 | ], bash_cv_signal_vintage=posix, | |
1250 | [ | |
1251 | AC_TRY_LINK([#include <signal.h>], [ | |
1252 | int mask = sigmask(SIGINT); | |
1253 | sigsetmask(mask); sigblock(mask); sigpause(mask); | |
1254 | ], bash_cv_signal_vintage=4.2bsd, | |
1255 | [ | |
1256 | AC_TRY_LINK([ | |
1257 | #include <signal.h> | |
1258 | RETSIGTYPE foo() { }], [ | |
1259 | int mask = sigmask(SIGINT); | |
1260 | sigset(SIGINT, foo); sigrelse(SIGINT); | |
1261 | sighold(SIGINT); sigpause(SIGINT); | |
1262 | ], bash_cv_signal_vintage=svr3, bash_cv_signal_vintage=v7 | |
1263 | )] | |
1264 | )] | |
1265 | ) | |
1266 | ]) | |
1267 | AC_MSG_RESULT($bash_cv_signal_vintage) | |
1268 | if test "$bash_cv_signal_vintage" = posix; then | |
1269 | AC_DEFINE(HAVE_POSIX_SIGNALS) | |
1270 | elif test "$bash_cv_signal_vintage" = "4.2bsd"; then | |
1271 | AC_DEFINE(HAVE_BSD_SIGNALS) | |
1272 | elif test "$bash_cv_signal_vintage" = svr3; then | |
1273 | AC_DEFINE(HAVE_USG_SIGHOLD) | |
1274 | fi | |
1275 | ]) | |
1276 | ||
1277 | dnl Check if the pgrp of setpgrp() can't be the pid of a zombie process. | |
1278 | AC_DEFUN(BASH_SYS_PGRP_SYNC, | |
1279 | [AC_REQUIRE([AC_FUNC_GETPGRP]) | |
1280 | AC_MSG_CHECKING(whether pgrps need synchronization) | |
1281 | AC_CACHE_VAL(bash_cv_pgrp_pipe, | |
1282 | [AC_TRY_RUN([ | |
1283 | #ifdef HAVE_UNISTD_H | |
1284 | # include <unistd.h> | |
1285 | #endif | |
b4f26d54 TT |
1286 | #ifdef HAVE_SYS_WAIT_H |
1287 | # include <sys/wait.h> | |
1288 | #endif | |
1289 | #include <stdlib.h> | |
1290 | int | |
6999161a TT |
1291 | main() |
1292 | { | |
1293 | # ifdef GETPGRP_VOID | |
1294 | # define getpgID() getpgrp() | |
1295 | # else | |
1296 | # define getpgID() getpgrp(0) | |
1297 | # define setpgid(x,y) setpgrp(x,y) | |
1298 | # endif | |
1299 | int pid1, pid2, fds[2]; | |
1300 | int status; | |
1301 | char ok; | |
1302 | ||
1303 | switch (pid1 = fork()) { | |
1304 | case -1: | |
1305 | exit(1); | |
1306 | case 0: | |
1307 | setpgid(0, getpid()); | |
1308 | exit(0); | |
1309 | } | |
1310 | setpgid(pid1, pid1); | |
1311 | ||
1312 | sleep(2); /* let first child die */ | |
1313 | ||
1314 | if (pipe(fds) < 0) | |
1315 | exit(2); | |
1316 | ||
1317 | switch (pid2 = fork()) { | |
1318 | case -1: | |
1319 | exit(3); | |
1320 | case 0: | |
1321 | setpgid(0, pid1); | |
1322 | ok = getpgID() == pid1; | |
1323 | write(fds[1], &ok, 1); | |
1324 | exit(0); | |
1325 | } | |
1326 | setpgid(pid2, pid1); | |
1327 | ||
1328 | close(fds[1]); | |
1329 | if (read(fds[0], &ok, 1) != 1) | |
1330 | exit(4); | |
1331 | wait(&status); | |
1332 | wait(&status); | |
1333 | exit(ok ? 0 : 5); | |
1334 | } | |
1335 | ], bash_cv_pgrp_pipe=no,bash_cv_pgrp_pipe=yes, | |
1336 | [AC_MSG_WARN(cannot check pgrp synchronization if cross compiling -- defaulting to no) | |
1337 | bash_cv_pgrp_pipe=no]) | |
1338 | ]) | |
1339 | AC_MSG_RESULT($bash_cv_pgrp_pipe) | |
1340 | if test $bash_cv_pgrp_pipe = yes; then | |
1341 | AC_DEFINE(PGRP_PIPE) | |
1342 | fi | |
1343 | ]) | |
1344 | ||
1345 | AC_DEFUN(BASH_SYS_REINSTALL_SIGHANDLERS, | |
1346 | [AC_REQUIRE([AC_TYPE_SIGNAL]) | |
1347 | AC_REQUIRE([BASH_SYS_SIGNAL_VINTAGE]) | |
1348 | AC_MSG_CHECKING([if signal handlers must be reinstalled when invoked]) | |
1349 | AC_CACHE_VAL(bash_cv_must_reinstall_sighandlers, | |
1350 | [AC_TRY_RUN([ | |
1351 | #include <signal.h> | |
1352 | #ifdef HAVE_UNISTD_H | |
1353 | #include <unistd.h> | |
1354 | #endif | |
b4f26d54 | 1355 | #include <stdlib.h> |
6999161a TT |
1356 | |
1357 | typedef RETSIGTYPE sigfunc(); | |
1358 | ||
1359 | volatile int nsigint; | |
1360 | ||
1361 | #ifdef HAVE_POSIX_SIGNALS | |
1362 | sigfunc * | |
1363 | set_signal_handler(sig, handler) | |
1364 | int sig; | |
1365 | sigfunc *handler; | |
1366 | { | |
1367 | struct sigaction act, oact; | |
1368 | act.sa_handler = handler; | |
1369 | act.sa_flags = 0; | |
1370 | sigemptyset (&act.sa_mask); | |
1371 | sigemptyset (&oact.sa_mask); | |
1372 | sigaction (sig, &act, &oact); | |
1373 | return (oact.sa_handler); | |
1374 | } | |
1375 | #else | |
1376 | #define set_signal_handler(s, h) signal(s, h) | |
1377 | #endif | |
1378 | ||
1379 | RETSIGTYPE | |
1380 | sigint(s) | |
1381 | int s; | |
1382 | { | |
1383 | nsigint++; | |
1384 | } | |
1385 | ||
b4f26d54 | 1386 | int |
6999161a TT |
1387 | main() |
1388 | { | |
1389 | nsigint = 0; | |
1390 | set_signal_handler(SIGINT, sigint); | |
1391 | kill((int)getpid(), SIGINT); | |
1392 | kill((int)getpid(), SIGINT); | |
1393 | exit(nsigint != 2); | |
1394 | } | |
1395 | ], bash_cv_must_reinstall_sighandlers=no, bash_cv_must_reinstall_sighandlers=yes, | |
1396 | [AC_MSG_WARN(cannot check signal handling if cross compiling -- defaulting to no) | |
1397 | bash_cv_must_reinstall_sighandlers=no] | |
1398 | )]) | |
1399 | AC_MSG_RESULT($bash_cv_must_reinstall_sighandlers) | |
1400 | if test $bash_cv_must_reinstall_sighandlers = yes; then | |
1401 | AC_DEFINE(MUST_REINSTALL_SIGHANDLERS) | |
1402 | fi | |
1403 | ]) | |
1404 | ||
1405 | dnl check that some necessary job control definitions are present | |
1406 | AC_DEFUN(BASH_SYS_JOB_CONTROL_MISSING, | |
1407 | [AC_REQUIRE([BASH_SYS_SIGNAL_VINTAGE]) | |
1408 | AC_MSG_CHECKING(for presence of necessary job control definitions) | |
1409 | AC_CACHE_VAL(bash_cv_job_control_missing, | |
1410 | [AC_TRY_COMPILE([ | |
1411 | #include <sys/types.h> | |
1412 | #ifdef HAVE_SYS_WAIT_H | |
1413 | #include <sys/wait.h> | |
1414 | #endif | |
1415 | #ifdef HAVE_UNISTD_H | |
1416 | #include <unistd.h> | |
1417 | #endif | |
1418 | #include <signal.h> | |
1419 | ||
1420 | /* add more tests in here as appropriate */ | |
1421 | ||
1422 | /* signal type */ | |
1423 | #if !defined (HAVE_POSIX_SIGNALS) && !defined (HAVE_BSD_SIGNALS) | |
1424 | #error | |
1425 | #endif | |
1426 | ||
1427 | /* signals and tty control. */ | |
1428 | #if !defined (SIGTSTP) || !defined (SIGSTOP) || !defined (SIGCONT) | |
1429 | #error | |
1430 | #endif | |
1431 | ||
1432 | /* process control */ | |
1433 | #if !defined (WNOHANG) || !defined (WUNTRACED) | |
1434 | #error | |
1435 | #endif | |
1436 | ||
1437 | /* Posix systems have tcgetpgrp and waitpid. */ | |
1438 | #if defined (_POSIX_VERSION) && !defined (HAVE_TCGETPGRP) | |
1439 | #error | |
1440 | #endif | |
1441 | ||
1442 | #if defined (_POSIX_VERSION) && !defined (HAVE_WAITPID) | |
1443 | #error | |
1444 | #endif | |
1445 | ||
1446 | /* Other systems have TIOCSPGRP/TIOCGPRGP and wait3. */ | |
1447 | #if !defined (_POSIX_VERSION) && !defined (HAVE_WAIT3) | |
1448 | #error | |
1449 | #endif | |
1450 | ||
1451 | ], , bash_cv_job_control_missing=present, bash_cv_job_control_missing=missing | |
1452 | )]) | |
1453 | AC_MSG_RESULT($bash_cv_job_control_missing) | |
1454 | if test $bash_cv_job_control_missing = missing; then | |
1455 | AC_DEFINE(JOB_CONTROL_MISSING) | |
1456 | fi | |
1457 | ]) | |
1458 | ||
1459 | dnl check whether named pipes are present | |
1460 | dnl this requires a previous check for mkfifo, but that is awkward to specify | |
1461 | AC_DEFUN(BASH_SYS_NAMED_PIPES, | |
1462 | [AC_MSG_CHECKING(for presence of named pipes) | |
1463 | AC_CACHE_VAL(bash_cv_sys_named_pipes, | |
1464 | [AC_TRY_RUN([ | |
1465 | #include <sys/types.h> | |
1466 | #include <sys/stat.h> | |
1467 | #ifdef HAVE_UNISTD_H | |
1468 | #include <unistd.h> | |
1469 | #endif | |
b4f26d54 TT |
1470 | #include <stdio.h> |
1471 | #include <stdlib.h> | |
6999161a TT |
1472 | |
1473 | /* Add more tests in here as appropriate. */ | |
b4f26d54 | 1474 | int |
6999161a TT |
1475 | main() |
1476 | { | |
1477 | int fd, err; | |
1478 | ||
1479 | #if defined (HAVE_MKFIFO) | |
1480 | exit (0); | |
1481 | #endif | |
1482 | ||
1483 | #if !defined (S_IFIFO) && (defined (_POSIX_VERSION) && !defined (S_ISFIFO)) | |
1484 | exit (1); | |
1485 | #endif | |
1486 | ||
1487 | #if defined (NeXT) | |
1488 | exit (1); | |
1489 | #endif | |
1490 | err = mkdir("bash-aclocal", 0700); | |
1491 | if (err < 0) { | |
1492 | perror ("mkdir"); | |
1493 | exit(1); | |
1494 | } | |
1495 | fd = mknod ("bash-aclocal/sh-np-autoconf", 0666 | S_IFIFO, 0); | |
1496 | if (fd == -1) { | |
1497 | rmdir ("bash-aclocal"); | |
1498 | exit (1); | |
1499 | } | |
1500 | close(fd); | |
1501 | unlink ("bash-aclocal/sh-np-autoconf"); | |
1502 | rmdir ("bash-aclocal"); | |
1503 | exit(0); | |
1504 | }], bash_cv_sys_named_pipes=present, bash_cv_sys_named_pipes=missing, | |
1505 | [AC_MSG_WARN(cannot check for named pipes if cross-compiling -- defaulting to missing) | |
1506 | bash_cv_sys_named_pipes=missing] | |
1507 | )]) | |
1508 | AC_MSG_RESULT($bash_cv_sys_named_pipes) | |
1509 | if test $bash_cv_sys_named_pipes = missing; then | |
1510 | AC_DEFINE(NAMED_PIPES_MISSING) | |
1511 | fi | |
1512 | ]) | |
1513 | ||
1514 | AC_DEFUN(BASH_SYS_DEFAULT_MAIL_DIR, | |
1515 | [AC_MSG_CHECKING(for default mail directory) | |
1516 | AC_CACHE_VAL(bash_cv_mail_dir, | |
1517 | [if test -d /var/mail; then | |
1518 | bash_cv_mail_dir=/var/mail | |
1519 | elif test -d /var/spool/mail; then | |
1520 | bash_cv_mail_dir=/var/spool/mail | |
1521 | elif test -d /usr/mail; then | |
1522 | bash_cv_mail_dir=/usr/mail | |
1523 | elif test -d /usr/spool/mail; then | |
1524 | bash_cv_mail_dir=/usr/spool/mail | |
1525 | else | |
1526 | bash_cv_mail_dir=unknown | |
1527 | fi | |
1528 | ]) | |
1529 | AC_MSG_RESULT($bash_cv_mail_dir) | |
1530 | AC_DEFINE_UNQUOTED(DEFAULT_MAIL_DIRECTORY, "$bash_cv_mail_dir") | |
1531 | ]) | |
1532 | ||
1533 | AC_DEFUN(BASH_HAVE_TIOCGWINSZ, | |
1534 | [AC_MSG_CHECKING(for TIOCGWINSZ in sys/ioctl.h) | |
1535 | AC_CACHE_VAL(bash_cv_tiocgwinsz_in_ioctl, | |
1536 | [AC_TRY_COMPILE([#include <sys/types.h> | |
1537 | #include <sys/ioctl.h>], [int x = TIOCGWINSZ;], | |
1538 | bash_cv_tiocgwinsz_in_ioctl=yes,bash_cv_tiocgwinsz_in_ioctl=no)]) | |
1539 | AC_MSG_RESULT($bash_cv_tiocgwinsz_in_ioctl) | |
1540 | if test $bash_cv_tiocgwinsz_in_ioctl = yes; then | |
1541 | AC_DEFINE(GWINSZ_IN_SYS_IOCTL) | |
1542 | fi | |
1543 | ]) | |
1544 | ||
1545 | AC_DEFUN(BASH_HAVE_TIOCSTAT, | |
1546 | [AC_MSG_CHECKING(for TIOCSTAT in sys/ioctl.h) | |
1547 | AC_CACHE_VAL(bash_cv_tiocstat_in_ioctl, | |
1548 | [AC_TRY_COMPILE([#include <sys/types.h> | |
1549 | #include <sys/ioctl.h>], [int x = TIOCSTAT;], | |
1550 | bash_cv_tiocstat_in_ioctl=yes,bash_cv_tiocstat_in_ioctl=no)]) | |
1551 | AC_MSG_RESULT($bash_cv_tiocstat_in_ioctl) | |
1552 | if test $bash_cv_tiocstat_in_ioctl = yes; then | |
1553 | AC_DEFINE(TIOCSTAT_IN_SYS_IOCTL) | |
1554 | fi | |
1555 | ]) | |
1556 | ||
1557 | AC_DEFUN(BASH_HAVE_FIONREAD, | |
1558 | [AC_MSG_CHECKING(for FIONREAD in sys/ioctl.h) | |
1559 | AC_CACHE_VAL(bash_cv_fionread_in_ioctl, | |
1560 | [AC_TRY_COMPILE([#include <sys/types.h> | |
1561 | #include <sys/ioctl.h>], [int x = FIONREAD;], | |
1562 | bash_cv_fionread_in_ioctl=yes,bash_cv_fionread_in_ioctl=no)]) | |
1563 | AC_MSG_RESULT($bash_cv_fionread_in_ioctl) | |
1564 | if test $bash_cv_fionread_in_ioctl = yes; then | |
1565 | AC_DEFINE(FIONREAD_IN_SYS_IOCTL) | |
1566 | fi | |
1567 | ]) | |
1568 | ||
1569 | dnl | |
1570 | dnl See if speed_t is declared in <sys/types.h>. Some versions of linux | |
1571 | dnl require a definition of speed_t each time <termcap.h> is included, | |
1572 | dnl but you can only get speed_t if you include <termios.h> (on some | |
1573 | dnl versions) or <sys/types.h> (on others). | |
1574 | dnl | |
1575 | AC_DEFUN(BASH_CHECK_SPEED_T, | |
1576 | [AC_MSG_CHECKING(for speed_t in sys/types.h) | |
1577 | AC_CACHE_VAL(bash_cv_speed_t_in_sys_types, | |
1578 | [AC_TRY_COMPILE([#include <sys/types.h>], [speed_t x;], | |
1579 | bash_cv_speed_t_in_sys_types=yes,bash_cv_speed_t_in_sys_types=no)]) | |
1580 | AC_MSG_RESULT($bash_cv_speed_t_in_sys_types) | |
1581 | if test $bash_cv_speed_t_in_sys_types = yes; then | |
1582 | AC_DEFINE(SPEED_T_IN_SYS_TYPES) | |
1583 | fi | |
1584 | ]) | |
1585 | ||
1586 | AC_DEFUN(BASH_CHECK_GETPW_FUNCS, | |
1587 | [AC_MSG_CHECKING(whether getpw functions are declared in pwd.h) | |
1588 | AC_CACHE_VAL(bash_cv_getpw_declared, | |
1589 | [AC_EGREP_CPP(getpwuid, | |
1590 | [ | |
1591 | #include <sys/types.h> | |
1592 | #ifdef HAVE_UNISTD_H | |
1593 | # include <unistd.h> | |
1594 | #endif | |
1595 | #include <pwd.h> | |
1596 | ], | |
1597 | bash_cv_getpw_declared=yes,bash_cv_getpw_declared=no)]) | |
1598 | AC_MSG_RESULT($bash_cv_getpw_declared) | |
1599 | if test $bash_cv_getpw_declared = yes; then | |
1600 | AC_DEFINE(HAVE_GETPW_DECLS) | |
1601 | fi | |
1602 | ]) | |
1603 | ||
1604 | AC_DEFUN(BASH_CHECK_DEV_FD, | |
1605 | [AC_MSG_CHECKING(whether /dev/fd is available) | |
1606 | AC_CACHE_VAL(bash_cv_dev_fd, | |
1607 | [bash_cv_dev_fd="" | |
1608 | if test -d /dev/fd && (exec test -r /dev/fd/0 < /dev/null) ; then | |
1609 | # check for systems like FreeBSD 5 that only provide /dev/fd/[012] | |
1610 | if (exec test -r /dev/fd/3 3</dev/null) ; then | |
1611 | bash_cv_dev_fd=standard | |
1612 | else | |
1613 | bash_cv_dev_fd=absent | |
1614 | fi | |
1615 | fi | |
1616 | if test -z "$bash_cv_dev_fd" ; then | |
1617 | if test -d /proc/self/fd && (exec test -r /proc/self/fd/0 < /dev/null) ; then | |
1618 | bash_cv_dev_fd=whacky | |
1619 | else | |
1620 | bash_cv_dev_fd=absent | |
1621 | fi | |
1622 | fi | |
1623 | ]) | |
1624 | AC_MSG_RESULT($bash_cv_dev_fd) | |
1625 | if test $bash_cv_dev_fd = "standard"; then | |
1626 | AC_DEFINE(HAVE_DEV_FD) | |
1627 | AC_DEFINE(DEV_FD_PREFIX, "/dev/fd/") | |
1628 | elif test $bash_cv_dev_fd = "whacky"; then | |
1629 | AC_DEFINE(HAVE_DEV_FD) | |
1630 | AC_DEFINE(DEV_FD_PREFIX, "/proc/self/fd/") | |
1631 | fi | |
1632 | ]) | |
1633 | ||
1634 | AC_DEFUN(BASH_CHECK_DEV_STDIN, | |
1635 | [AC_MSG_CHECKING(whether /dev/stdin stdout stderr are available) | |
1636 | AC_CACHE_VAL(bash_cv_dev_stdin, | |
1637 | [if (exec test -r /dev/stdin < /dev/null) ; then | |
1638 | bash_cv_dev_stdin=present | |
1639 | else | |
1640 | bash_cv_dev_stdin=absent | |
1641 | fi | |
1642 | ]) | |
1643 | AC_MSG_RESULT($bash_cv_dev_stdin) | |
1644 | if test $bash_cv_dev_stdin = "present"; then | |
1645 | AC_DEFINE(HAVE_DEV_STDIN) | |
1646 | fi | |
1647 | ]) | |
1648 | ||
1649 | dnl | |
1650 | dnl Check if HPUX needs _KERNEL defined for RLIMIT_* definitions | |
1651 | dnl | |
1652 | AC_DEFUN(BASH_CHECK_KERNEL_RLIMIT, | |
1653 | [AC_MSG_CHECKING([whether $host_os needs _KERNEL for RLIMIT defines]) | |
1654 | AC_CACHE_VAL(bash_cv_kernel_rlimit, | |
1655 | [AC_TRY_COMPILE([ | |
1656 | #include <sys/types.h> | |
1657 | #include <sys/resource.h> | |
1658 | ], | |
1659 | [ | |
1660 | int f; | |
1661 | f = RLIMIT_DATA; | |
1662 | ], bash_cv_kernel_rlimit=no, | |
1663 | [AC_TRY_COMPILE([ | |
1664 | #include <sys/types.h> | |
1665 | #define _KERNEL | |
1666 | #include <sys/resource.h> | |
1667 | #undef _KERNEL | |
1668 | ], | |
1669 | [ | |
1670 | int f; | |
1671 | f = RLIMIT_DATA; | |
1672 | ], bash_cv_kernel_rlimit=yes, bash_cv_kernel_rlimit=no)] | |
1673 | )]) | |
1674 | AC_MSG_RESULT($bash_cv_kernel_rlimit) | |
1675 | if test $bash_cv_kernel_rlimit = yes; then | |
1676 | AC_DEFINE(RLIMIT_NEEDS_KERNEL) | |
1677 | fi | |
1678 | ]) | |
1679 | ||
1680 | dnl | |
1681 | dnl Check for 64-bit off_t -- used for malloc alignment | |
1682 | dnl | |
1683 | dnl C does not allow duplicate case labels, so the compile will fail if | |
1684 | dnl sizeof(off_t) is > 4. | |
1685 | dnl | |
1686 | AC_DEFUN(BASH_CHECK_OFF_T_64, | |
1687 | [AC_CACHE_CHECK(for 64-bit off_t, bash_cv_off_t_64, | |
1688 | AC_TRY_COMPILE([ | |
1689 | #ifdef HAVE_UNISTD_H | |
1690 | #include <unistd.h> | |
1691 | #endif | |
1692 | #include <sys/types.h> | |
1693 | ],[ | |
1694 | switch (0) case 0: case (sizeof (off_t) <= 4):; | |
1695 | ], bash_cv_off_t_64=no, bash_cv_off_t_64=yes)) | |
1696 | if test $bash_cv_off_t_64 = yes; then | |
1697 | AC_DEFINE(HAVE_OFF_T_64) | |
1698 | fi]) | |
1699 | ||
1700 | AC_DEFUN(BASH_CHECK_RTSIGS, | |
1701 | [AC_MSG_CHECKING(for unusable real-time signals due to large values) | |
1702 | AC_CACHE_VAL(bash_cv_unusable_rtsigs, | |
1703 | [AC_TRY_RUN([ | |
1704 | #include <sys/types.h> | |
1705 | #include <signal.h> | |
b4f26d54 | 1706 | #include <stdlib.h> |
6999161a TT |
1707 | |
1708 | #ifndef NSIG | |
1709 | # define NSIG 64 | |
1710 | #endif | |
1711 | ||
b4f26d54 | 1712 | int |
6999161a TT |
1713 | main () |
1714 | { | |
1715 | int n_sigs = 2 * NSIG; | |
1716 | #ifdef SIGRTMIN | |
1717 | int rtmin = SIGRTMIN; | |
1718 | #else | |
1719 | int rtmin = 0; | |
1720 | #endif | |
1721 | ||
1722 | exit(rtmin < n_sigs); | |
1723 | }], bash_cv_unusable_rtsigs=yes, bash_cv_unusable_rtsigs=no, | |
1724 | [AC_MSG_WARN(cannot check real-time signals if cross compiling -- defaulting to yes) | |
1725 | bash_cv_unusable_rtsigs=yes] | |
1726 | )]) | |
1727 | AC_MSG_RESULT($bash_cv_unusable_rtsigs) | |
1728 | if test $bash_cv_unusable_rtsigs = yes; then | |
1729 | AC_DEFINE(UNUSABLE_RT_SIGNALS) | |
1730 | fi | |
1731 | ]) | |
1732 | ||
1733 | dnl | |
1734 | dnl check for availability of multibyte characters and functions | |
1735 | dnl | |
1736 | dnl geez, I wish I didn't have to check for all of this stuff separately | |
1737 | dnl | |
1738 | AC_DEFUN(BASH_CHECK_MULTIBYTE, | |
1739 | [ | |
1740 | AC_CHECK_HEADERS(wctype.h) | |
1741 | AC_CHECK_HEADERS(wchar.h) | |
1742 | AC_CHECK_HEADERS(langinfo.h) | |
1743 | ||
1744 | AC_CHECK_HEADERS(mbstr.h) | |
1745 | ||
1746 | AC_CHECK_FUNC(mbrlen, AC_DEFINE(HAVE_MBRLEN)) | |
1747 | AC_CHECK_FUNC(mbscasecmp, AC_DEFINE(HAVE_MBSCMP)) | |
1748 | AC_CHECK_FUNC(mbscmp, AC_DEFINE(HAVE_MBSCMP)) | |
1749 | AC_CHECK_FUNC(mbsnrtowcs, AC_DEFINE(HAVE_MBSNRTOWCS)) | |
1750 | AC_CHECK_FUNC(mbsrtowcs, AC_DEFINE(HAVE_MBSRTOWCS)) | |
1751 | ||
1752 | AC_REPLACE_FUNCS(mbschr) | |
1753 | ||
1754 | AC_CHECK_FUNC(wcrtomb, AC_DEFINE(HAVE_WCRTOMB)) | |
1755 | AC_CHECK_FUNC(wcscoll, AC_DEFINE(HAVE_WCSCOLL)) | |
1756 | AC_CHECK_FUNC(wcsdup, AC_DEFINE(HAVE_WCSDUP)) | |
1757 | AC_CHECK_FUNC(wcwidth, AC_DEFINE(HAVE_WCWIDTH)) | |
1758 | AC_CHECK_FUNC(wctype, AC_DEFINE(HAVE_WCTYPE)) | |
1759 | ||
1760 | AC_REPLACE_FUNCS(wcswidth) | |
1761 | ||
1762 | dnl checks for both mbrtowc and mbstate_t | |
1763 | AC_FUNC_MBRTOWC | |
1764 | if test $ac_cv_func_mbrtowc = yes; then | |
1765 | AC_DEFINE(HAVE_MBSTATE_T) | |
1766 | fi | |
1767 | ||
1768 | AC_CHECK_FUNCS(iswlower iswupper towlower towupper iswctype) | |
1769 | ||
1770 | AC_CACHE_CHECK([for nl_langinfo and CODESET], bash_cv_langinfo_codeset, | |
1771 | [AC_TRY_LINK( | |
1772 | [#include <langinfo.h>], | |
1773 | [char* cs = nl_langinfo(CODESET);], | |
1774 | bash_cv_langinfo_codeset=yes, bash_cv_langinfo_codeset=no)]) | |
1775 | if test $bash_cv_langinfo_codeset = yes; then | |
1776 | AC_DEFINE(HAVE_LANGINFO_CODESET) | |
1777 | fi | |
1778 | ||
1779 | dnl check for wchar_t in <wchar.h> | |
1780 | AC_CACHE_CHECK([for wchar_t in wchar.h], bash_cv_type_wchar_t, | |
1781 | [AC_TRY_COMPILE( | |
1782 | [#include <wchar.h> | |
1783 | ], | |
1784 | [ | |
1785 | wchar_t foo; | |
1786 | foo = 0; | |
1787 | ], bash_cv_type_wchar_t=yes, bash_cv_type_wchar_t=no)]) | |
1788 | if test $bash_cv_type_wchar_t = yes; then | |
1789 | AC_DEFINE(HAVE_WCHAR_T, 1, [systems should define this type here]) | |
1790 | fi | |
1791 | ||
1792 | dnl check for wctype_t in <wctype.h> | |
1793 | AC_CACHE_CHECK([for wctype_t in wctype.h], bash_cv_type_wctype_t, | |
1794 | [AC_TRY_COMPILE( | |
1795 | [#include <wctype.h>], | |
1796 | [ | |
1797 | wctype_t foo; | |
1798 | foo = 0; | |
1799 | ], bash_cv_type_wctype_t=yes, bash_cv_type_wctype_t=no)]) | |
1800 | if test $bash_cv_type_wctype_t = yes; then | |
1801 | AC_DEFINE(HAVE_WCTYPE_T, 1, [systems should define this type here]) | |
1802 | fi | |
1803 | ||
1804 | dnl check for wint_t in <wctype.h> | |
1805 | AC_CACHE_CHECK([for wint_t in wctype.h], bash_cv_type_wint_t, | |
1806 | [AC_TRY_COMPILE( | |
1807 | [#include <wctype.h>], | |
1808 | [ | |
1809 | wint_t foo; | |
1810 | foo = 0; | |
1811 | ], bash_cv_type_wint_t=yes, bash_cv_type_wint_t=no)]) | |
1812 | if test $bash_cv_type_wint_t = yes; then | |
1813 | AC_DEFINE(HAVE_WINT_T, 1, [systems should define this type here]) | |
1814 | fi | |
1815 | ||
1816 | dnl check for broken wcwidth | |
1817 | AC_CACHE_CHECK([for wcwidth broken with unicode combining characters], | |
1818 | bash_cv_wcwidth_broken, | |
1819 | [AC_TRY_RUN([ | |
1820 | #include <unistd.h> | |
1821 | #include <stdlib.h> | |
1822 | #include <stdio.h> | |
1823 | ||
1824 | #include <locale.h> | |
1825 | #include <wchar.h> | |
1826 | ||
b4f26d54 | 1827 | int |
6999161a TT |
1828 | main(c, v) |
1829 | int c; | |
1830 | char **v; | |
1831 | { | |
1832 | int w; | |
1833 | ||
1834 | setlocale(LC_ALL, "en_US.UTF-8"); | |
1835 | w = wcwidth (0x0301); | |
1836 | exit (w == 0); /* exit 0 if wcwidth broken */ | |
1837 | } | |
1838 | ], | |
1839 | bash_cv_wcwidth_broken=yes, bash_cv_wcwidth_broken=no, bash_cv_wcwidth_broken=no)]) | |
1840 | if test "$bash_cv_wcwidth_broken" = yes; then | |
1841 | AC_DEFINE(WCWIDTH_BROKEN, 1, [wcwidth is usually not broken]) | |
1842 | fi | |
1843 | ||
1844 | if test "$am_cv_func_iconv" = yes; then | |
1845 | OLDLIBS="$LIBS" | |
1846 | LIBS="$LIBS $LIBINTL $LIBICONV" | |
1847 | AC_CHECK_FUNCS(locale_charset) | |
1848 | LIBS="$OLDLIBS" | |
1849 | fi | |
1850 | ||
1851 | AC_CHECK_SIZEOF(wchar_t, 4) | |
1852 | ||
1853 | ]) | |
1854 | ||
1855 | dnl need: prefix exec_prefix libdir includedir CC TERMCAP_LIB | |
1856 | dnl require: | |
1857 | dnl AC_PROG_CC | |
1858 | dnl BASH_CHECK_LIB_TERMCAP | |
1859 | ||
1860 | AC_DEFUN([RL_LIB_READLINE_VERSION], | |
1861 | [ | |
1862 | AC_REQUIRE([BASH_CHECK_LIB_TERMCAP]) | |
1863 | ||
1864 | AC_MSG_CHECKING([version of installed readline library]) | |
1865 | ||
1866 | # What a pain in the ass this is. | |
1867 | ||
1868 | # save cpp and ld options | |
1869 | _save_CFLAGS="$CFLAGS" | |
1870 | _save_LDFLAGS="$LDFLAGS" | |
1871 | _save_LIBS="$LIBS" | |
1872 | ||
1873 | # Don't set ac_cv_rl_prefix if the caller has already assigned a value. This | |
1874 | # allows the caller to do something like $_rl_prefix=$withval if the user | |
1875 | # specifies --with-installed-readline=PREFIX as an argument to configure | |
1876 | ||
1877 | if test -z "$ac_cv_rl_prefix"; then | |
1878 | test "x$prefix" = xNONE && ac_cv_rl_prefix=$ac_default_prefix || ac_cv_rl_prefix=${prefix} | |
1879 | fi | |
1880 | ||
1881 | eval ac_cv_rl_includedir=${ac_cv_rl_prefix}/include | |
1882 | eval ac_cv_rl_libdir=${ac_cv_rl_prefix}/lib | |
1883 | ||
1884 | LIBS="$LIBS -lreadline ${TERMCAP_LIB}" | |
1885 | CFLAGS="$CFLAGS -I${ac_cv_rl_includedir}" | |
1886 | LDFLAGS="$LDFLAGS -L${ac_cv_rl_libdir}" | |
1887 | ||
1888 | AC_CACHE_VAL(ac_cv_rl_version, | |
1889 | [AC_TRY_RUN([ | |
1890 | #include <stdio.h> | |
1891 | #include <readline/readline.h> | |
b4f26d54 | 1892 | #include <stdlib.h> |
6999161a TT |
1893 | |
1894 | extern int rl_gnu_readline_p; | |
1895 | ||
b4f26d54 | 1896 | int |
6999161a TT |
1897 | main() |
1898 | { | |
1899 | FILE *fp; | |
1900 | fp = fopen("conftest.rlv", "w"); | |
1901 | if (fp == 0) | |
1902 | exit(1); | |
1903 | if (rl_gnu_readline_p != 1) | |
1904 | fprintf(fp, "0.0\n"); | |
1905 | else | |
1906 | fprintf(fp, "%s\n", rl_library_version ? rl_library_version : "0.0"); | |
1907 | fclose(fp); | |
1908 | exit(0); | |
1909 | } | |
1910 | ], | |
1911 | ac_cv_rl_version=`cat conftest.rlv`, | |
1912 | ac_cv_rl_version='0.0', | |
1913 | ac_cv_rl_version='8.0')]) | |
1914 | ||
1915 | CFLAGS="$_save_CFLAGS" | |
1916 | LDFLAGS="$_save_LDFLAGS" | |
1917 | LIBS="$_save_LIBS" | |
1918 | ||
1919 | RL_MAJOR=0 | |
1920 | RL_MINOR=0 | |
1921 | ||
1922 | # ( | |
1923 | case "$ac_cv_rl_version" in | |
1924 | 2*|3*|4*|5*|6*|7*|8*|9*) | |
1925 | RL_MAJOR=`echo $ac_cv_rl_version | sed 's:\..*$::'` | |
1926 | RL_MINOR=`echo $ac_cv_rl_version | sed -e 's:^.*\.::' -e 's:[[a-zA-Z]]*$::'` | |
1927 | ;; | |
1928 | esac | |
1929 | ||
1930 | # ((( | |
1931 | case $RL_MAJOR in | |
1932 | [[0-9][0-9]]) _RL_MAJOR=$RL_MAJOR ;; | |
1933 | [[0-9]]) _RL_MAJOR=0$RL_MAJOR ;; | |
1934 | *) _RL_MAJOR=00 ;; | |
1935 | esac | |
1936 | ||
1937 | # ((( | |
1938 | case $RL_MINOR in | |
1939 | [[0-9][0-9]]) _RL_MINOR=$RL_MINOR ;; | |
1940 | [[0-9]]) _RL_MINOR=0$RL_MINOR ;; | |
1941 | *) _RL_MINOR=00 ;; | |
1942 | esac | |
1943 | ||
1944 | RL_VERSION="0x${_RL_MAJOR}${_RL_MINOR}" | |
1945 | ||
1946 | # Readline versions greater than 4.2 have these defines in readline.h | |
1947 | ||
1948 | if test $ac_cv_rl_version = '0.0' ; then | |
1949 | AC_MSG_WARN([Could not test version of installed readline library.]) | |
1950 | elif test $RL_MAJOR -gt 4 || { test $RL_MAJOR = 4 && test $RL_MINOR -gt 2 ; } ; then | |
1951 | # set these for use by the caller | |
1952 | RL_PREFIX=$ac_cv_rl_prefix | |
1953 | RL_LIBDIR=$ac_cv_rl_libdir | |
1954 | RL_INCLUDEDIR=$ac_cv_rl_includedir | |
1955 | AC_MSG_RESULT($ac_cv_rl_version) | |
1956 | else | |
1957 | ||
1958 | AC_DEFINE_UNQUOTED(RL_READLINE_VERSION, $RL_VERSION, [encoded version of the installed readline library]) | |
1959 | AC_DEFINE_UNQUOTED(RL_VERSION_MAJOR, $RL_MAJOR, [major version of installed readline library]) | |
1960 | AC_DEFINE_UNQUOTED(RL_VERSION_MINOR, $RL_MINOR, [minor version of installed readline library]) | |
1961 | ||
1962 | AC_SUBST(RL_VERSION) | |
1963 | AC_SUBST(RL_MAJOR) | |
1964 | AC_SUBST(RL_MINOR) | |
1965 | ||
1966 | # set these for use by the caller | |
1967 | RL_PREFIX=$ac_cv_rl_prefix | |
1968 | RL_LIBDIR=$ac_cv_rl_libdir | |
1969 | RL_INCLUDEDIR=$ac_cv_rl_includedir | |
1970 | ||
1971 | AC_MSG_RESULT($ac_cv_rl_version) | |
1972 | ||
1973 | fi | |
1974 | ]) | |
1975 | ||
1976 | AC_DEFUN(BASH_FUNC_CTYPE_NONASCII, | |
1977 | [ | |
1978 | AC_MSG_CHECKING(whether the ctype macros accept non-ascii characters) | |
1979 | AC_CACHE_VAL(bash_cv_func_ctype_nonascii, | |
1980 | [AC_TRY_RUN([ | |
1981 | #ifdef HAVE_LOCALE_H | |
1982 | #include <locale.h> | |
1983 | #endif | |
1984 | #include <stdio.h> | |
1985 | #include <ctype.h> | |
b4f26d54 | 1986 | #include <stdlib.h> |
6999161a | 1987 | |
b4f26d54 | 1988 | int |
6999161a TT |
1989 | main(c, v) |
1990 | int c; | |
1991 | char *v[]; | |
1992 | { | |
1993 | char *deflocale; | |
1994 | unsigned char x; | |
1995 | int r1, r2; | |
1996 | ||
1997 | #ifdef HAVE_SETLOCALE | |
1998 | /* We take a shot here. If that locale is not known, try the | |
1999 | system default. We try this one because '\342' (226) is | |
2000 | known to be a printable character in that locale. */ | |
2001 | deflocale = setlocale(LC_ALL, "en_US.ISO8859-1"); | |
2002 | if (deflocale == 0) | |
2003 | deflocale = setlocale(LC_ALL, ""); | |
2004 | #endif | |
2005 | ||
2006 | x = '\342'; | |
2007 | r1 = isprint(x); | |
2008 | x -= 128; | |
2009 | r2 = isprint(x); | |
2010 | exit (r1 == 0 || r2 == 0); | |
2011 | } | |
2012 | ], bash_cv_func_ctype_nonascii=yes, bash_cv_func_ctype_nonascii=no, | |
2013 | [AC_MSG_WARN(cannot check ctype macros if cross compiling -- defaulting to no) | |
2014 | bash_cv_func_ctype_nonascii=no] | |
2015 | )]) | |
2016 | AC_MSG_RESULT($bash_cv_func_ctype_nonascii) | |
2017 | if test $bash_cv_func_ctype_nonascii = yes; then | |
2018 | AC_DEFINE(CTYPE_NON_ASCII) | |
2019 | fi | |
2020 | ]) | |
2021 | ||
2022 | AC_DEFUN(BASH_CHECK_WCONTINUED, | |
2023 | [ | |
2024 | AC_MSG_CHECKING(whether WCONTINUED flag to waitpid is unavailable or available but broken) | |
2025 | AC_CACHE_VAL(bash_cv_wcontinued_broken, | |
2026 | [AC_TRY_RUN([ | |
2027 | #include <sys/types.h> | |
2028 | #include <sys/wait.h> | |
2029 | #include <unistd.h> | |
2030 | #include <errno.h> | |
b4f26d54 | 2031 | #include <stdlib.h> |
6999161a TT |
2032 | |
2033 | #ifndef errno | |
2034 | extern int errno; | |
2035 | #endif | |
b4f26d54 | 2036 | int |
6999161a TT |
2037 | main() |
2038 | { | |
2039 | int x; | |
2040 | ||
2041 | x = waitpid(-1, (int *)0, WNOHANG|WCONTINUED); | |
2042 | if (x == -1 && errno == EINVAL) | |
2043 | exit (1); | |
2044 | else | |
2045 | exit (0); | |
2046 | } | |
2047 | ], bash_cv_wcontinued_broken=no,bash_cv_wcontinued_broken=yes, | |
2048 | [AC_MSG_WARN(cannot check WCONTINUED if cross compiling -- defaulting to no) | |
2049 | bash_cv_wcontinued_broken=no] | |
2050 | )]) | |
2051 | AC_MSG_RESULT($bash_cv_wcontinued_broken) | |
2052 | if test $bash_cv_wcontinued_broken = yes; then | |
2053 | AC_DEFINE(WCONTINUED_BROKEN) | |
2054 | fi | |
2055 | ]) | |
2056 | ||
2057 | dnl | |
2058 | dnl tests added for bashdb | |
2059 | dnl | |
2060 | ||
2061 | ||
2062 | AC_DEFUN([AM_PATH_LISPDIR], | |
2063 | [AC_ARG_WITH(lispdir, AC_HELP_STRING([--with-lispdir], [override the default lisp directory]), | |
2064 | [ lispdir="$withval" | |
2065 | AC_MSG_CHECKING([where .elc files should go]) | |
2066 | AC_MSG_RESULT([$lispdir])], | |
2067 | [ | |
2068 | # If set to t, that means we are running in a shell under Emacs. | |
2069 | # If you have an Emacs named "t", then use the full path. | |
2070 | test x"$EMACS" = xt && EMACS= | |
2071 | AC_CHECK_PROGS(EMACS, emacs xemacs, no) | |
2072 | if test $EMACS != "no"; then | |
2073 | if test x${lispdir+set} != xset; then | |
2074 | AC_CACHE_CHECK([where .elc files should go], [am_cv_lispdir], [dnl | |
2075 | 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;}'` | |
2076 | if test -z "$am_cv_lispdir"; then | |
2077 | am_cv_lispdir='${datadir}/emacs/site-lisp' | |
2078 | fi | |
2079 | ]) | |
2080 | lispdir="$am_cv_lispdir" | |
2081 | fi | |
2082 | fi | |
2083 | ]) | |
2084 | AC_SUBST(lispdir) | |
2085 | ]) | |
2086 | ||
6999161a TT |
2087 | dnl From gnulib |
2088 | AC_DEFUN([BASH_FUNC_FPURGE], | |
2089 | [ | |
2090 | AC_CHECK_FUNCS_ONCE([fpurge]) | |
2091 | AC_CHECK_FUNCS_ONCE([__fpurge]) | |
2092 | AC_CHECK_DECLS([fpurge], , , [#include <stdio.h>]) | |
2093 | ]) | |
2094 | ||
2095 | AC_DEFUN([BASH_FUNC_SNPRINTF], | |
2096 | [ | |
2097 | AC_CHECK_FUNCS_ONCE([snprintf]) | |
2098 | if test X$ac_cv_func_snprintf = Xyes; then | |
2099 | AC_CACHE_CHECK([for standard-conformant snprintf], [bash_cv_func_snprintf], | |
2100 | [AC_TRY_RUN([ | |
2101 | #include <stdio.h> | |
b4f26d54 | 2102 | #include <stdlib.h> |
6999161a | 2103 | |
b4f26d54 | 2104 | int |
6999161a TT |
2105 | main() |
2106 | { | |
2107 | int n; | |
2108 | n = snprintf (0, 0, "%s", "0123456"); | |
2109 | exit(n != 7); | |
2110 | } | |
2111 | ], bash_cv_func_snprintf=yes, bash_cv_func_snprintf=no, | |
2112 | [AC_MSG_WARN([cannot check standard snprintf if cross-compiling]) | |
2113 | bash_cv_func_snprintf=yes] | |
2114 | )]) | |
2115 | if test $bash_cv_func_snprintf = no; then | |
2116 | ac_cv_func_snprintf=no | |
2117 | fi | |
2118 | fi | |
2119 | if test $ac_cv_func_snprintf = no; then | |
2120 | AC_DEFINE(HAVE_SNPRINTF, 0, | |
2121 | [Define if you have a standard-conformant snprintf function.]) | |
2122 | fi | |
2123 | ]) | |
2124 | ||
2125 | AC_DEFUN([BASH_FUNC_VSNPRINTF], | |
2126 | [ | |
2127 | AC_CHECK_FUNCS_ONCE([vsnprintf]) | |
2128 | if test X$ac_cv_func_vsnprintf = Xyes; then | |
2129 | AC_CACHE_CHECK([for standard-conformant vsnprintf], [bash_cv_func_vsnprintf], | |
2130 | [AC_TRY_RUN([ | |
2131 | #if HAVE_STDARG_H | |
2132 | #include <stdarg.h> | |
2133 | #else | |
2134 | #include <varargs.h> | |
2135 | #endif | |
2136 | #include <stdio.h> | |
2137 | #include <stdlib.h> | |
2138 | ||
2139 | static int | |
2140 | #if HAVE_STDARG_H | |
2141 | foo(const char *fmt, ...) | |
2142 | #else | |
2143 | foo(format, va_alist) | |
2144 | const char *format; | |
2145 | va_dcl | |
2146 | #endif | |
2147 | { | |
2148 | va_list args; | |
2149 | int n; | |
2150 | ||
2151 | #if HAVE_STDARG_H | |
2152 | va_start(args, fmt); | |
2153 | #else | |
2154 | va_start(args); | |
2155 | #endif | |
2156 | n = vsnprintf(0, 0, fmt, args); | |
2157 | va_end (args); | |
2158 | return n; | |
2159 | } | |
2160 | ||
b4f26d54 | 2161 | int |
6999161a TT |
2162 | main() |
2163 | { | |
2164 | int n; | |
2165 | n = foo("%s", "0123456"); | |
2166 | exit(n != 7); | |
2167 | } | |
2168 | ], bash_cv_func_vsnprintf=yes, bash_cv_func_vsnprintf=no, | |
2169 | [AC_MSG_WARN([cannot check standard vsnprintf if cross-compiling]) | |
2170 | bash_cv_func_vsnprintf=yes] | |
2171 | )]) | |
2172 | if test $bash_cv_func_vsnprintf = no; then | |
2173 | ac_cv_func_vsnprintf=no | |
2174 | fi | |
2175 | fi | |
2176 | if test $ac_cv_func_vsnprintf = no; then | |
2177 | AC_DEFINE(HAVE_VSNPRINTF, 0, | |
2178 | [Define if you have a standard-conformant vsnprintf function.]) | |
2179 | fi | |
2180 | ]) | |
2181 | ||
2182 | AC_DEFUN(BASH_STRUCT_WEXITSTATUS_OFFSET, | |
2183 | [AC_MSG_CHECKING(for offset of exit status in return status from wait) | |
2184 | AC_CACHE_VAL(bash_cv_wexitstatus_offset, | |
2185 | [AC_TRY_RUN([ | |
2186 | #include <stdlib.h> | |
2187 | #include <unistd.h> | |
2188 | ||
2189 | #include <sys/wait.h> | |
2190 | ||
b4f26d54 | 2191 | int |
6999161a TT |
2192 | main(c, v) |
2193 | int c; | |
2194 | char **v; | |
2195 | { | |
2196 | pid_t pid, p; | |
2197 | int s, i, n; | |
2198 | ||
2199 | s = 0; | |
2200 | pid = fork(); | |
2201 | if (pid == 0) | |
2202 | exit (42); | |
2203 | ||
2204 | /* wait for the process */ | |
2205 | p = wait(&s); | |
2206 | if (p != pid) | |
2207 | exit (255); | |
2208 | ||
2209 | /* crack s */ | |
b4f26d54 | 2210 | for (i = 0; i < (sizeof(s) * 8); i++) |
6999161a TT |
2211 | { |
2212 | n = (s >> i) & 0xff; | |
2213 | if (n == 42) | |
2214 | exit (i); | |
2215 | } | |
2216 | ||
2217 | exit (254); | |
2218 | } | |
2219 | ], bash_cv_wexitstatus_offset=0, bash_cv_wexitstatus_offset=$?, | |
2220 | [AC_MSG_WARN(cannot check WEXITSTATUS offset if cross compiling -- defaulting to 0) | |
2221 | bash_cv_wexitstatus_offset=0] | |
2222 | )]) | |
2223 | if test "$bash_cv_wexitstatus_offset" -gt 32 ; then | |
2224 | AC_MSG_WARN(bad exit status from test program -- defaulting to 0) | |
2225 | bash_cv_wexitstatus_offset=0 | |
2226 | fi | |
2227 | AC_MSG_RESULT($bash_cv_wexitstatus_offset) | |
2228 | AC_DEFINE_UNQUOTED([WEXITSTATUS_OFFSET], [$bash_cv_wexitstatus_offset], [Offset of exit status in wait status word]) | |
2229 | ]) | |
2230 | ||
2231 | AC_DEFUN([BASH_FUNC_SBRK], | |
2232 | [ | |
b4f26d54 TT |
2233 | AC_MSG_CHECKING([for sbrk]) |
2234 | AC_CACHE_VAL(ac_cv_func_sbrk, | |
2235 | [AC_TRY_LINK([#include <unistd.h>], | |
2236 | [ void *x = sbrk (4096); ], | |
2237 | ac_cv_func_sbrk=yes, ac_cv_func_sbrk=no)]) | |
2238 | AC_MSG_RESULT($ac_cv_func_sbrk) | |
6999161a TT |
2239 | if test X$ac_cv_func_sbrk = Xyes; then |
2240 | AC_CACHE_CHECK([for working sbrk], [bash_cv_func_sbrk], | |
2241 | [AC_TRY_RUN([ | |
2242 | #include <stdlib.h> | |
2243 | #include <unistd.h> | |
2244 | ||
2245 | int | |
2246 | main(int c, char **v) | |
2247 | { | |
2248 | void *x; | |
2249 | ||
2250 | x = sbrk (4096); | |
2251 | exit ((x == (void *)-1) ? 1 : 0); | |
2252 | } | |
2253 | ], bash_cv_func_sbrk=yes, bash_cv_func_snprintf=sbrk, | |
2254 | [AC_MSG_WARN([cannot check working sbrk if cross-compiling]) | |
2255 | bash_cv_func_sbrk=yes] | |
2256 | )]) | |
2257 | if test $bash_cv_func_sbrk = no; then | |
2258 | ac_cv_func_sbrk=no | |
2259 | fi | |
2260 | fi | |
b4f26d54 TT |
2261 | if test $ac_cv_func_sbrk = yes; then |
2262 | AC_DEFINE(HAVE_SBRK, 1, | |
6999161a TT |
2263 | [Define if you have a working sbrk function.]) |
2264 | fi | |
2265 | ]) | |
2266 | ||
2267 | AC_DEFUN(BASH_FUNC_FNMATCH_EQUIV_FALLBACK, | |
2268 | [AC_MSG_CHECKING(whether fnmatch can be used to check bracket equivalence classes) | |
2269 | AC_CACHE_VAL(bash_cv_fnmatch_equiv_fallback, | |
2270 | [AC_TRY_RUN([ | |
2271 | #include <stdlib.h> | |
2272 | #include <unistd.h> | |
2273 | #include <stdio.h> | |
2274 | #include <fnmatch.h> | |
2275 | #include <locale.h> | |
2276 | ||
2277 | char *pattern = "[[=a=]]"; | |
2278 | ||
2279 | /* char *string = "รค"; */ | |
2280 | unsigned char string[4] = { '\xc3', '\xa4', '\0' }; | |
2281 | ||
2282 | int | |
2283 | main (int c, char **v) | |
2284 | { | |
b4f26d54 | 2285 | setlocale (LC_ALL, "en_US.UTF-8"); |
6999161a TT |
2286 | if (fnmatch (pattern, (const char *)string, 0) != FNM_NOMATCH) |
2287 | exit (0); | |
2288 | exit (1); | |
2289 | } | |
2290 | ||
2291 | ], bash_cv_fnmatch_equiv_fallback=yes, bash_cv_fnmatch_equiv_fallback=no, | |
2292 | [AC_MSG_WARN(cannot check fnmatch if cross compiling -- defaulting to no) | |
2293 | bash_cv_fnmatch_equiv_fallback=no] | |
2294 | )]) | |
2295 | AC_MSG_RESULT($bash_cv_fnmatch_equiv_fallback) | |
2296 | if test "$bash_cv_fnmatch_equiv_fallback" = "yes" ; then | |
2297 | bash_cv_fnmatch_equiv_value=1 | |
2298 | else | |
2299 | bash_cv_fnmatch_equiv_value=0 | |
2300 | fi | |
2301 | AC_DEFINE_UNQUOTED([FNMATCH_EQUIV_FALLBACK], [$bash_cv_fnmatch_equiv_value], [Whether fnmatch can be used for bracket equivalence classes]) | |
2302 | ]) |