xref: /PHP-5.5/ext/standard/config.m4 (revision 8f9ab04d)
1dnl $Id$ -*- autoconf -*-
2
3dnl
4dnl Check if flush should be called explicitly after buffered io
5dnl
6AC_CACHE_CHECK([whether flush should be called explicitly after a buffered io], ac_cv_flush_io,[
7AC_TRY_RUN( [
8#include <stdio.h>
9#include <stdlib.h>
10
11int main(int argc, char **argv)
12{
13	char *filename = tmpnam(NULL);
14	char buffer[64];
15	int result = 0;
16
17	FILE *fp = fopen(filename, "wb");
18	if (NULL == fp)
19		return 0;
20	fputs("line 1\n", fp);
21	fputs("line 2\n", fp);
22	fclose(fp);
23
24	fp = fopen(filename, "rb+");
25	if (NULL == fp)
26		return 0;
27	fgets(buffer, sizeof(buffer), fp);
28	fputs("line 3\n", fp);
29	rewind(fp);
30	fgets(buffer, sizeof(buffer), fp);
31	if (0 != strcmp(buffer, "line 1\n"))
32		result = 1;
33	fgets(buffer, sizeof(buffer), fp);
34	if (0 != strcmp(buffer, "line 3\n"))
35		result = 1;
36	fclose(fp);
37	unlink(filename);
38
39	exit(result);
40}
41],[
42  ac_cv_flush_io=no
43],[
44  ac_cv_flush_io=yes
45],[
46  ac_cv_flush_io=no
47])])
48if test "$ac_cv_flush_io" = "yes"; then
49  AC_DEFINE(HAVE_FLUSHIO, 1, [Define if flush should be called explicitly after a buffered io.])
50fi
51
52dnl
53dnl Check for crypt() capabilities
54dnl
55if test "$ac_cv_func_crypt" = "no"; then
56  AC_CHECK_LIB(crypt, crypt, [
57    LIBS="-lcrypt $LIBS -lcrypt"
58    AC_DEFINE(HAVE_CRYPT, 1, [ ])
59  ])
60fi
61
62AC_CACHE_CHECK(for standard DES crypt, ac_cv_crypt_des,[
63  AC_TRY_RUN([
64#if HAVE_UNISTD_H
65#include <unistd.h>
66#endif
67
68#if HAVE_CRYPT_H
69#include <crypt.h>
70#endif
71
72main() {
73#if HAVE_CRYPT
74    exit (strcmp((char *)crypt("rasmuslerdorf","rl"),"rl.3StKT.4T8M"));
75#else
76	exit(0);
77#endif
78}],[
79  ac_cv_crypt_des=yes
80],[
81  ac_cv_crypt_des=no
82],[
83  ac_cv_crypt_des=yes
84])])
85
86AC_CACHE_CHECK(for extended DES crypt, ac_cv_crypt_ext_des,[
87  AC_TRY_RUN([
88#if HAVE_UNISTD_H
89#include <unistd.h>
90#endif
91
92#if HAVE_CRYPT_H
93#include <crypt.h>
94#endif
95
96main() {
97#if HAVE_CRYPT
98  exit (strcmp((char *)crypt("rasmuslerdorf","_J9..rasm"),"_J9..rasmBYk8r9AiWNc"));
99#else
100  exit(0);
101#endif
102}],[
103  ac_cv_crypt_ext_des=yes
104],[
105  ac_cv_crypt_ext_des=no
106],[
107  ac_cv_crypt_ext_des=no
108])])
109
110AC_CACHE_CHECK(for MD5 crypt, ac_cv_crypt_md5,[
111AC_TRY_RUN([
112#if HAVE_UNISTD_H
113#include <unistd.h>
114#endif
115
116#if HAVE_CRYPT_H
117#include <crypt.h>
118#endif
119
120main() {
121#if HAVE_CRYPT
122    char salt[15], answer[40];
123
124    salt[0]='$'; salt[1]='1'; salt[2]='$';
125    salt[3]='r'; salt[4]='a'; salt[5]='s';
126    salt[6]='m'; salt[7]='u'; salt[8]='s';
127    salt[9]='l'; salt[10]='e'; salt[11]='$';
128    salt[12]='\0';
129    strcpy(answer,salt);
130    strcat(answer,"rISCgZzpwk3UhDidwXvin0");
131    exit (strcmp((char *)crypt("rasmuslerdorf",salt),answer));
132#else
133	exit(0);
134#endif
135}],[
136  ac_cv_crypt_md5=yes
137],[
138  ac_cv_crypt_md5=no
139],[
140  ac_cv_crypt_md5=no
141])])
142
143AC_CACHE_CHECK(for Blowfish crypt, ac_cv_crypt_blowfish,[
144AC_TRY_RUN([
145#if HAVE_UNISTD_H
146#include <unistd.h>
147#endif
148
149#if HAVE_CRYPT_H
150#include <crypt.h>
151#endif
152
153main() {
154#if HAVE_CRYPT
155    char salt[30], answer[70];
156
157    salt[0]='$'; salt[1]='2'; salt[2]='a'; salt[3]='$'; salt[4]='0'; salt[5]='7'; salt[6]='$'; salt[7]='\0';
158    strcat(salt,"rasmuslerd............");
159    strcpy(answer,salt);
160    strcpy(&answer[29],"nIdrcHdxcUxWomQX9j6kvERCFjTg7Ra");
161    exit (strcmp((char *)crypt("rasmuslerdorf",salt),answer));
162#else
163	exit(0);
164#endif
165}],[
166  ac_cv_crypt_blowfish=yes
167],[
168  ac_cv_crypt_blowfish=no
169],[
170  ac_cv_crypt_blowfish=no
171])])
172
173AC_CACHE_CHECK(for SHA512 crypt, ac_cv_crypt_sha512,[
174AC_TRY_RUN([
175#if HAVE_UNISTD_H
176#include <unistd.h>
177#endif
178
179#if HAVE_CRYPT_H
180#include <crypt.h>
181#endif
182
183main() {
184#if HAVE_CRYPT
185    char salt[21], answer[21+86];
186
187    strcpy(salt,"\$6\$rasmuslerdorf\$");
188    strcpy(answer, salt);
189    strcat(answer, "EeHCRjm0bljalWuALHSTs1NB9ipEiLEXLhYeXdOpx22gmlmVejnVXFhd84cEKbYxCo.XuUTrW.RLraeEnsvWs/");
190    exit (strcmp((char *)crypt("rasmuslerdorf",salt),answer));
191#else
192	exit(0);
193#endif
194}],[
195  ac_cv_crypt_sha512=yes
196],[
197  ac_cv_crypt_sha512=no
198],[
199  ac_cv_crypt_sha512=no
200])])
201
202AC_CACHE_CHECK(for SHA256 crypt, ac_cv_crypt_sha256,[
203AC_TRY_RUN([
204#if HAVE_UNISTD_H
205#include <unistd.h>
206#endif
207
208#if HAVE_CRYPT_H
209#include <crypt.h>
210#endif
211
212main() {
213#if HAVE_CRYPT
214    char salt[21], answer[21+43];
215
216    strcpy(salt,"\$5\$rasmuslerdorf\$");
217    strcpy(answer, salt);
218    strcat(answer, "cFAm2puLCujQ9t.0CxiFIIvFi4JyQx5UncCt/xRIX23");
219    exit (strcmp((char *)crypt("rasmuslerdorf",salt),answer));
220
221#else
222	exit(0);
223#endif
224}],[
225  ac_cv_crypt_sha256=yes
226],[
227  ac_cv_crypt_sha256=no
228],[
229  ac_cv_crypt_sha256=no
230])])
231
232
233dnl
234dnl If one of them is missing, use our own implementation, portable code is then possible
235dnl
236if test "$ac_cv_crypt_blowfish" = "no" || test "$ac_cv_crypt_des" = "no" || test "$ac_cv_crypt_ext_des" = "no" || test "x$php_crypt_r" = "x0"; then
237
238  dnl
239  dnl Check for __alignof__ support in the compiler
240  dnl
241  AC_CACHE_CHECK(whether the compiler supports __alignof__, ac_cv_alignof_exists,[
242  AC_TRY_COMPILE([
243  ],[
244    int align = __alignof__(int);
245  ],[
246    ac_cv_alignof_exists=yes
247  ],[
248    ac_cv_alignof_exists=no
249  ])])
250  if test "$ac_cv_alignof_exists" = "yes"; then
251    AC_DEFINE([HAVE_ALIGNOF], 1, [whether the compiler supports __alignof__])
252  fi
253
254  dnl
255  dnl Check for __attribute__ ((__aligned__)) support in the compiler
256  dnl
257  AC_CACHE_CHECK(whether the compiler supports aligned attribute, ac_cv_attribute_aligned,[
258  AC_TRY_COMPILE([
259  ],[
260    unsigned char test[32] __attribute__ ((__aligned__ (__alignof__ (int))));
261  ],[
262    ac_cv_attribute_aligned=yes
263  ],[
264    ac_cv_attribute_aligned=no
265  ])])
266  if test "$ac_cv_attribute_aligned" = "yes"; then
267    AC_DEFINE([HAVE_ATTRIBUTE_ALIGNED], 1, [whether the compiler supports __attribute__ ((__aligned__))])
268  fi
269
270
271  AC_DEFINE_UNQUOTED(PHP_USE_PHP_CRYPT_R, 1, [Whether PHP has to use its own crypt_r for blowfish, des, ext des and md5])
272  AC_DEFINE_UNQUOTED(PHP_STD_DES_CRYPT, 1, [Whether the system supports standard DES salt])
273  AC_DEFINE_UNQUOTED(PHP_BLOWFISH_CRYPT, 1, [Whether the system supports BlowFish salt])
274  AC_DEFINE_UNQUOTED(PHP_EXT_DES_CRYPT, 1, [Whether the system supports extended DES salt])
275  AC_DEFINE_UNQUOTED(PHP_MD5_CRYPT, 1, [Whether the system supports MD5 salt])
276  AC_DEFINE_UNQUOTED(PHP_SHA512_CRYPT, 1, [Whether the system supports SHA512 salt])
277  AC_DEFINE_UNQUOTED(PHP_SHA256_CRYPT, 1, [Whether the system supports SHA256 salt])
278
279  PHP_ADD_SOURCES(PHP_EXT_DIR(standard), crypt_freesec.c crypt_blowfish.c crypt_sha512.c crypt_sha256.c php_crypt_r.c)
280else
281  if test "$ac_cv_crypt_des" = "yes"; then
282    ac_result=1
283    ac_crypt_des=1
284  else
285    ac_result=0
286    ac_crypt_des=0
287  fi
288  AC_DEFINE_UNQUOTED(PHP_STD_DES_CRYPT, $ac_result, [Whether the system supports standard DES salt])
289
290  if test "$ac_cv_crypt_blowfish" = "yes"; then
291    ac_result=1
292    ac_crypt_blowfish=1
293  else
294    ac_result=0
295    ac_crypt_blowfish=0
296  fi
297  AC_DEFINE_UNQUOTED(PHP_BLOWFISH_CRYPT, $ac_result, [Whether the system supports BlowFish salt])
298
299  if test "$ac_cv_crypt_ext_des" = "yes"; then
300    ac_result=1
301    ac_crypt_edes=1
302  else
303    ac_result=0
304    ac_crypt_edes=0
305  fi
306  AC_DEFINE_UNQUOTED(PHP_EXT_DES_CRYPT, $ac_result, [Whether the system supports extended DES salt])
307
308  if test "$ac_cv_crypt_md5" = "yes"; then
309    ac_result=1
310    ac_crypt_md5=1
311  else
312    ac_result=0
313    ac_crypt_md5=0
314  fi
315  AC_DEFINE_UNQUOTED(PHP_MD5_CRYPT, $ac_result, [Whether the system supports MD5 salt])
316
317  if test "$ac_cv_crypt_sha512" = "yes"; then
318    ac_result=1
319    ac_crypt_sha512=1
320  else
321    ac_result=0
322    ac_crypt_sha512=0
323  fi
324  AC_DEFINE_UNQUOTED(PHP_SHA512_CRYPT, $ac_result, [Whether the system supports SHA512 salt])
325
326  if test "$ac_cv_crypt_sha256" = "yes"; then
327    ac_result=1
328    ac_crypt_sha256=1
329  else
330    ac_result=0
331    ac_crypt_sha256=0
332  fi
333  AC_DEFINE_UNQUOTED(PHP_SHA256_CRYPT, $ac_result, [Whether the system supports SHA256 salt])
334
335  AC_DEFINE_UNQUOTED(PHP_USE_PHP_CRYPT_R, 0, [Whether PHP has to use its own crypt_r for blowfish, des and ext des])
336fi
337
338dnl
339dnl Check for available functions
340dnl
341AC_CHECK_FUNCS(getcwd getwd asinh acosh atanh log1p hypot glob strfmon nice fpclass isinf isnan mempcpy strpncpy)
342AC_FUNC_FNMATCH
343
344dnl
345dnl Check if there is a support means of creating a new process
346dnl and defining which handles it receives
347dnl
348AC_CHECK_FUNCS(fork CreateProcess, [
349  php_can_support_proc_open=yes
350  break
351],[
352  php_can_support_proc_open=no
353])
354AC_MSG_CHECKING([if your OS can spawn processes with inherited handles])
355if test "$php_can_support_proc_open" = "yes"; then
356  AC_MSG_RESULT(yes)
357  AC_DEFINE(PHP_CAN_SUPPORT_PROC_OPEN,1, [Define if your system has fork/vfork/CreateProcess])
358else
359  AC_MSG_RESULT(no)
360fi
361
362PHP_ENABLE_CHROOT_FUNC=no
363case "$PHP_SAPI" in
364  embed)
365    PHP_ENABLE_CHROOT_FUNC=yes
366  ;;
367
368  none)
369    for PROG in $PHP_BINARIES; do
370      case "$PROG" in
371        cgi|cli)
372          PHP_ENABLE_CHROOT_FUNC=yes
373        ;;
374
375        *)
376          PHP_ENABLE_CHROOT_FUNC=no
377          break
378        ;;
379      esac
380   done
381  ;;
382esac
383
384if test "$PHP_ENABLE_CHROOT_FUNC" = "yes"; then
385  AC_DEFINE(ENABLE_CHROOT_FUNC, 1, [Whether to enable chroot() function])
386fi
387
388dnl
389dnl Detect library functions needed by php dns_xxx functions
390dnl ext/standard/php_dns.h will collect these in a single define: HAVE_FULL_DNS_FUNCS
391dnl
392PHP_CHECK_FUNC(res_nsearch, resolv, bind, socket)
393PHP_CHECK_FUNC(dns_search, resolv, bind, socket)
394PHP_CHECK_FUNC(dn_expand, resolv, bind, socket)
395PHP_CHECK_FUNC(dn_skipname, resolv, bind, socket)
396
397dnl
398dnl These are old deprecated functions
399dnl
400
401PHP_CHECK_FUNC(res_search, resolv, bind, socket)
402
403dnl
404dnl Check if atof() accepts NAN
405dnl
406AC_CACHE_CHECK(whether atof() accepts NAN, ac_cv_atof_accept_nan,[
407AC_TRY_RUN([
408#include <math.h>
409#include <stdlib.h>
410
411#ifdef HAVE_ISNAN
412#define zend_isnan(a) isnan(a)
413#elif defined(HAVE_FPCLASS)
414#define zend_isnan(a) ((fpclass(a) == FP_SNAN) || (fpclass(a) == FP_QNAN))
415#else
416#define zend_isnan(a) 0
417#endif
418
419int main(int argc, char** argv)
420{
421	return zend_isnan(atof("NAN")) ? 0 : 1;
422}
423],[
424  ac_cv_atof_accept_nan=yes
425],[
426  ac_cv_atof_accept_nan=no
427],[
428  ac_cv_atof_accept_nan=no
429])])
430if test "$ac_cv_atof_accept_nan" = "yes"; then
431  AC_DEFINE([HAVE_ATOF_ACCEPTS_NAN], 1, [whether atof() accepts NAN])
432fi
433
434dnl
435dnl Check if atof() accepts INF
436dnl
437AC_CACHE_CHECK(whether atof() accepts INF, ac_cv_atof_accept_inf,[
438AC_TRY_RUN([
439#include <math.h>
440#include <stdlib.h>
441
442#ifdef HAVE_ISINF
443#define zend_isinf(a) isinf(a)
444#elif defined(INFINITY)
445/* Might not work, but is required by ISO C99 */
446#define zend_isinf(a) (((a)==INFINITY)?1:0)
447#elif defined(HAVE_FPCLASS)
448#define zend_isinf(a) ((fpclass(a) == FP_PINF) || (fpclass(a) == FP_NINF))
449#else
450#define zend_isinf(a) 0
451#endif
452
453int main(int argc, char** argv)
454{
455	return zend_isinf(atof("INF")) && zend_isinf(atof("-INF")) ? 0 : 1;
456}
457],[
458  ac_cv_atof_accept_inf=yes
459],[
460  ac_cv_atof_accept_inf=no
461],[
462  ac_cv_atof_accept_inf=no
463])])
464if test "$ac_cv_atof_accept_inf" = "yes"; then
465  AC_DEFINE([HAVE_ATOF_ACCEPTS_INF], 1, [whether atof() accepts INF])
466fi
467
468dnl
469dnl Check if HUGE_VAL == INF
470dnl
471AC_CACHE_CHECK(whether HUGE_VAL == INF, ac_cv_huge_val_inf,[
472AC_TRY_RUN([
473#include <math.h>
474#include <stdlib.h>
475
476#ifdef HAVE_ISINF
477#define zend_isinf(a) isinf(a)
478#elif defined(INFINITY)
479/* Might not work, but is required by ISO C99 */
480#define zend_isinf(a) (((a)==INFINITY)?1:0)
481#elif defined(HAVE_FPCLASS)
482#define zend_isinf(a) ((fpclass(a) == FP_PINF) || (fpclass(a) == FP_NINF))
483#else
484#define zend_isinf(a) 0
485#endif
486
487int main(int argc, char** argv)
488{
489	return zend_isinf(HUGE_VAL) ? 0 : 1;
490}
491],[
492  ac_cv_huge_val_inf=yes
493],[
494  ac_cv_huge_val_inf=no
495],[
496  ac_cv_huge_val_inf=yes
497])])
498dnl This is the most probable fallback so we assume yes in case of cross compile.
499if test "$ac_cv_huge_val_inf" = "yes"; then
500  AC_DEFINE([HAVE_HUGE_VAL_INF], 1, [whether HUGE_VAL == INF])
501fi
502
503dnl
504dnl Check if HUGE_VAL + -HUGEVAL == NAN
505dnl
506AC_CACHE_CHECK(whether HUGE_VAL + -HUGEVAL == NAN, ac_cv_huge_val_nan,[
507AC_TRY_RUN([
508#include <math.h>
509#include <stdlib.h>
510
511#ifdef HAVE_ISNAN
512#define zend_isnan(a) isnan(a)
513#elif defined(HAVE_FPCLASS)
514#define zend_isnan(a) ((fpclass(a) == FP_SNAN) || (fpclass(a) == FP_QNAN))
515#else
516#define zend_isnan(a) 0
517#endif
518
519int main(int argc, char** argv)
520{
521#if defined(__sparc__) && !(__GNUC__ >= 3)
522	/* prevent bug #27830 */
523	return 1;
524#else
525	return zend_isnan(HUGE_VAL + -HUGE_VAL) ? 0 : 1;
526#endif
527}
528],[
529  ac_cv_huge_val_nan=yes
530],[
531  ac_cv_huge_val_nan=no
532],[
533  ac_cv_huge_val_nan=yes
534])])
535dnl This is the most probable fallback so we assume yes in case of cross compile.
536if test "$ac_cv_huge_val_nan" = "yes"; then
537  AC_DEFINE([HAVE_HUGE_VAL_NAN], 1, [whether HUGE_VAL + -HUGEVAL == NAN])
538fi
539
540dnl
541dnl Check for strptime()
542dnl
543AC_CACHE_CHECK(whether strptime() declaration fails, ac_cv_strptime_decl_fails,[
544AC_TRY_COMPILE([
545#include <time.h>
546],[
547#ifndef HAVE_STRPTIME
548#error no strptime() on this platform
549#else
550/* use invalid strptime() declaration to see if it fails to compile */
551int strptime(const char *s, const char *format, struct tm *tm);
552#endif
553],[
554  ac_cv_strptime_decl_fails=no
555],[
556  ac_cv_strptime_decl_fails=yes
557])])
558if test "$ac_cv_strptime_decl_fails" = "yes"; then
559  AC_DEFINE([HAVE_STRPTIME_DECL_FAILS], 1, [whether strptime() declaration fails])
560fi
561
562dnl
563dnl Check for i18n capabilities
564dnl
565AC_CHECK_HEADERS([wchar.h])
566AC_CHECK_FUNCS([mblen])
567AC_CHECK_FUNCS([mbrlen mbsinit],,,[
568#ifdef HAVE_WCHAR_H
569# include <wchar.h>
570#endif
571])
572AC_CACHE_CHECK([for mbstate_t], [ac_cv_type_mbstate_t],[
573AC_TRY_COMPILE([
574#ifdef HAVE_WCHAR_H
575# include <wchar.h>
576#endif
577],[
578int __tmp__() { mbstate_t a; }
579],[
580  ac_cv_type_mbstate_t=yes
581],[
582  ac_cv_type_mbstate_t=no
583])])
584if test "$ac_cv_type_mbstate_t" = "yes"; then
585  AC_DEFINE([HAVE_MBSTATE_T], 1, [Define if your system has mbstate_t in wchar.h])
586fi
587
588dnl
589dnl Check for atomic operation API availability in Solaris
590dnl
591AC_CHECK_HEADERS([atomic.h])
592
593dnl
594dnl Setup extension sources
595dnl
596PHP_NEW_EXTENSION(standard, array.c base64.c basic_functions.c browscap.c crc32.c crypt.c \
597                            cyr_convert.c datetime.c dir.c dl.c dns.c exec.c file.c filestat.c \
598                            flock_compat.c formatted_print.c fsock.c head.c html.c image.c \
599                            info.c iptc.c lcg.c link.c mail.c math.c md5.c metaphone.c \
600                            microtime.c pack.c pageinfo.c quot_print.c rand.c \
601                            soundex.c string.c scanf.c syslog.c type.c uniqid.c url.c \
602                            var.c versioning.c assert.c strnatcmp.c levenshtein.c \
603                            incomplete_class.c url_scanner_ex.c ftp_fopen_wrapper.c \
604                            http_fopen_wrapper.c php_fopen_wrapper.c credits.c css.c \
605                            var_unserializer.c ftok.c sha1.c user_filters.c uuencode.c \
606                            filters.c proc_open.c streamsfuncs.c http.c password.c)
607
608PHP_ADD_MAKEFILE_FRAGMENT
609PHP_INSTALL_HEADERS([ext/standard/])
610