-
Notifications
You must be signed in to change notification settings - Fork 7.7k
/
configure.ac
1828 lines (1581 loc) · 50.6 KB
/
configure.ac
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
dnl Process this file with autoconf to produce a configure script.
dnl Include external macro definitions before the AC_INIT to also remove
dnl comments starting with # and empty newlines from the included files.
dnl ----------------------------------------------------------------------------
m4_include([build/ax_check_compile_flag.m4])
m4_include([build/ax_func_which_gethostbyname_r.m4])
m4_include([build/ax_gcc_func_attribute.m4])
m4_include([build/libtool.m4])
m4_include([build/php_cxx_compile_stdcxx.m4])
m4_include([build/php.m4])
m4_include([build/pkg.m4])
m4_include([TSRM/threads.m4])
m4_include([Zend/Zend.m4])
dnl Basic autoconf initialization, generation of config.nice.
dnl ----------------------------------------------------------------------------
AC_PREREQ([2.68])
AC_INIT([PHP],[8.4.0-dev],[https://github.com/php/php-src/issues],[php],[https://www.php.net])
AC_CONFIG_SRCDIR([main/php_version.h])
AC_CONFIG_AUX_DIR([build])
AC_PRESERVE_HELP_ORDER
PHP_CONFIG_NICE(config.nice)
PHP_CANONICAL_HOST_TARGET
AC_CONFIG_HEADERS([main/php_config.h])
AH_TOP([
#ifndef PHP_CONFIG_H
#define PHP_CONFIG_H
#if defined(__GNUC__) && __GNUC__ >= 4
# define ZEND_API __attribute__ ((visibility("default")))
# define ZEND_DLEXPORT __attribute__ ((visibility("default")))
#else
# define ZEND_API
# define ZEND_DLEXPORT
#endif
#define ZEND_DLIMPORT
])
AH_BOTTOM([
#include <stdlib.h>
#ifdef HAVE_SYS_TYPES_H
# include <sys/types.h>
#endif
#ifdef HAVE_SYS_SELECT_H
#include <sys/select.h>
#endif
#include <string.h>
#endif /* PHP_CONFIG_H */
])
ac_IFS=$IFS; IFS="."
set $(echo AC_PACKAGE_VERSION | "${SED}" 's/\([[0-9\.]]*\)\(.*\)/\1\.\2/')
IFS=$ac_IFS
PHP_MAJOR_VERSION=[$]1
PHP_MINOR_VERSION=[$]2
PHP_RELEASE_VERSION=[$]3
dnl Allow overriding PHP_EXTRA_VERSION through the homonymous env var
AC_ARG_VAR([PHP_EXTRA_VERSION],[Extra PHP version label suffix, e.g. '-dev', 'rc1', '-acme'])dnl
AS_IF([test -z "$PHP_EXTRA_VERSION"],[PHP_EXTRA_VERSION=[$]4])
PHP_VERSION="$PHP_MAJOR_VERSION.$PHP_MINOR_VERSION.$PHP_RELEASE_VERSION$PHP_EXTRA_VERSION"
PHP_VERSION_ID=`expr [$]PHP_MAJOR_VERSION \* 10000 + [$]PHP_MINOR_VERSION \* 100 + [$]PHP_RELEASE_VERSION`
dnl Allow version values to be used in Makefile.
PHP_SUBST([PHP_MAJOR_VERSION])
PHP_SUBST([PHP_MINOR_VERSION])
PHP_SUBST([PHP_RELEASE_VERSION])
PHP_SUBST([PHP_EXTRA_VERSION])
dnl Define where extension directories are located in the configure context.
AC_DEFUN([PHP_EXT_BUILDDIR],[$config_m4_dir])dnl
AC_DEFUN([PHP_EXT_DIR],[$config_m4_dir])dnl
AC_DEFUN([PHP_EXT_SRCDIR],[$abs_srcdir/$config_m4_dir])dnl
AC_DEFUN([PHP_ALWAYS_SHARED],[])dnl
dnl Setting up the PHP version based on the information above.
dnl ----------------------------------------------------------------------------
echo "/* automatically generated by configure */" > php_version.h.new
echo "/* edit configure.ac to change version number */" >> php_version.h.new
echo "#define PHP_MAJOR_VERSION $PHP_MAJOR_VERSION" >> php_version.h.new
echo "#define PHP_MINOR_VERSION $PHP_MINOR_VERSION" >> php_version.h.new
echo "#define PHP_RELEASE_VERSION $PHP_RELEASE_VERSION" >> php_version.h.new
echo "#define PHP_EXTRA_VERSION \"$PHP_EXTRA_VERSION\"" >> php_version.h.new
echo "#define PHP_VERSION \"$PHP_VERSION\"" >> php_version.h.new
echo "#define PHP_VERSION_ID $PHP_VERSION_ID" >> php_version.h.new
cmp php_version.h.new $srcdir/main/php_version.h >/dev/null 2>&1
if test $? -ne 0 ; then
rm -f $srcdir/main/php_version.h && mv php_version.h.new $srcdir/main/php_version.h && \
echo 'Updated main/php_version.h'
else
rm -f php_version.h.new
fi
dnl Settings we want to make before the checks.
dnl ----------------------------------------------------------------------------
php_shtool=$srcdir/build/shtool
T_MD=`$php_shtool echo -n -e %B`
T_ME=`$php_shtool echo -n -e %b`
PHP_INIT_BUILD_SYSTEM
dnl We want this one before the checks, so the checks can modify CFLAGS.
AS_VAR_IF([CFLAGS],, [auto_cflags=1])
abs_srcdir=`(cd $srcdir; pwd)`
abs_builddir=`pwd`
dnl Because `make install` is often performed by the superuser, we create the
dnl libs subdirectory as the user who configures PHP. Otherwise, the current
dnl user will not be able to delete libs or the contents of libs.
$php_shtool mkdir -p libs
rm -f libs/*
dnl Checks for programs.
dnl ----------------------------------------------------------------------------
PKG_PROG_PKG_CONFIG
AC_PROG_CC([cc gcc])
PHP_DETECT_ICC
PHP_DETECT_SUNCC
dnl AC_PROG_CC_C99 is obsolete with autoconf >= 2.70 yet necessary for <= 2.69.
m4_version_prereq([2.70],,[AC_PROG_CC_C99])
AC_PROG_CPP
AC_USE_SYSTEM_EXTENSIONS
AC_PROG_LN_S
AS_VAR_IF([cross_compiling], [yes],
[AC_CHECK_PROGS([BUILD_CC], [gcc clang c99 c89 cc cl], [none])
AC_MSG_CHECKING([for native build C compiler])
AC_MSG_RESULT([$BUILD_CC])],
[BUILD_CC=$CC])
dnl Support systems with system libraries in e.g. /usr/lib64.
PHP_ARG_WITH([libdir],
[for system library directory],
[AS_HELP_STRING([--with-libdir=NAME],
[Look for libraries in .../NAME rather than .../lib])],
[lib],
[no])
PHP_ARG_ENABLE([rpath],
[whether to enable runpaths],
[AS_HELP_STRING([--disable-rpath],
[Disable passing additional runtime library search paths])],
[yes],
[no])
dnl Check for -R, etc. switch.
PHP_RUNPATH_SWITCH
dnl Checks for some support/generator progs.
PHP_PROG_AWK
PHP_PROG_BISON([3.0.0])
PHP_PROG_RE2C([1.0.3], [--no-generation-date])
PHP_PROG_PHP()
PHP_ARG_ENABLE([re2c-cgoto],
[whether to enable computed goto extension with re2c],
[AS_HELP_STRING([--enable-re2c-cgoto],
[Enable re2c -g flag to optimize conditional jumps using computed goto
extension, if supported by the compiler])],
[no],
[no])
AS_VAR_IF([PHP_RE2C_CGOTO], [no],,
[AC_CACHE_CHECK([whether re2c -g works], [php_cv_have_re2c_cgoto],
[AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
int main(void)
{
label1:
;
label2:
;
static void *adr[] = { &&label1, &&label2 };
goto *adr[0];
return 0;
}]])],
[php_cv_have_re2c_cgoto=yes],
[php_cv_have_re2c_cgoto=no])])
AS_VAR_IF([php_cv_have_re2c_cgoto], [yes],
[AS_VAR_APPEND([RE2C_FLAGS], [" -g"])])
])
dnl Platform-specific compile settings.
dnl ----------------------------------------------------------------------------
dnl See bug #28605
case $host_cpu in
alpha*)
if test "$GCC" = "yes"; then
CFLAGS="$CFLAGS -mieee"
else
CFLAGS="$CFLAGS -ieee"
fi
;;
sparc*)
if test "$SUNCC" = "yes"; then
CFLAGS="$CFLAGS -xmemalign=8s"
fi
;;
esac
dnl See https://github.com/php/php-src/issues/14140
AX_CHECK_COMPILE_FLAG([-ffp-contract=off], [CFLAGS="$CFLAGS -ffp-contract=off"])
dnl Mark symbols hidden by default if the compiler (for example, gcc >= 4)
dnl supports it. This can help reduce the binary size and startup time.
AX_CHECK_COMPILE_FLAG([-fvisibility=hidden],
[CFLAGS="$CFLAGS -fvisibility=hidden"])
case $host_alias in
*solaris*)
CPPFLAGS="$CPPFLAGS -D_POSIX_PTHREAD_SEMANTICS"
;;
*hpux*)
if test "$GCC" = "yes"; then
CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE_EXTENDED"
fi
;;
esac
dnl Disable PIC mode by default where it is known to be safe to do so, to avoid
dnl the performance hit from the lost register.
AC_MSG_CHECKING([whether to force non-PIC code in shared modules])
case $host_alias in
i?86-*-linux*|i?86-*-freebsd*)
if test "${with_pic+set}" != "set" || test "$with_pic" = "no"; then
with_pic=no
AC_MSG_RESULT(yes)
else
AC_MSG_RESULT(no)
fi
;;
*)
AC_MSG_RESULT(no)
;;
esac
dnl Detect musl libc
AC_MSG_CHECKING([whether we are using musl libc])
if command -v ldd >/dev/null && ldd --version 2>&1 | grep -q ^musl
then
AC_MSG_RESULT(yes)
AC_DEFINE([__MUSL__], [1], [Define when using musl libc])
else
AC_MSG_RESULT(no)
fi
dnl Add _GNU_SOURCE compile definition because the php_config.h with definitions
dnl by AC_USE_SYSTEM_EXTENSIONS might be included after the system headers which
dnl require extensions to C and POSIX.
AS_VAR_APPEND([CPPFLAGS], [" -D_GNU_SOURCE"])
PTHREADS_CHECK
PHP_HELP_SEPARATOR([SAPI modules:])
PHP_SHLIB_SUFFIX_NAMES
PHP_BUILD_PROGRAM
PHP_SAPI=none
dnl SAPI configuration.
dnl ----------------------------------------------------------------------------
dnl Paths to the targets are relative to the build directory.
SAPI_LIBNAME=libphp
SAPI_LIBNAME_SHARED=$SAPI_LIBNAME.[]$SHLIB_DL_SUFFIX_NAME
SAPI_LIBNAME_STATIC=$SAPI_LIBNAME.a
SAPI_SHARED=libs/$SAPI_LIBNAME_SHARED
SAPI_STATIC=libs/$SAPI_LIBNAME_STATIC
SAPI_LIBTOOL=libphp.la
PHP_CONFIGURE_PART(Configuring SAPI modules)
esyscmd(./build/config-stubs sapi)
dnl Show which main SAPI was selected.
AC_MSG_CHECKING([for chosen SAPI module])
AC_MSG_RESULT([$PHP_SAPI])
dnl Show which binaries were selected.
AC_MSG_CHECKING([for executable SAPI binaries])
if test "$PHP_BINARIES"; then
AC_MSG_RESULT([$PHP_BINARIES])
else
AC_MSG_RESULT([none])
fi
dnl Exit early.
if test -z "$PHP_INSTALLED_SAPIS"; then
AC_MSG_ERROR([Nothing to build.])
fi
dnl Force ZTS.
if test "$enable_zts" = "yes"; then
dnl Add pthreads linker and compiler flags.
if test -n "$ac_cv_pthreads_lib"; then
LIBS="$LIBS -l$ac_cv_pthreads_lib"
fi
if test -n "$ac_cv_pthreads_cflags"; then
CFLAGS="$CFLAGS $ac_cv_pthreads_cflags"
fi
PTHREADS_FLAGS
fi
dnl Starting system checks.
dnl ----------------------------------------------------------------------------
PHP_CONFIGURE_PART(Running system checks)
dnl Find sendmail binary.
PHP_PROG_SENDMAIL
dnl Check whether the system uses EBCDIC (not ASCII) as its native codeset.
PHP_EBCDIC
dnl Check whether the system byte ordering is bigendian.
PHP_C_BIGENDIAN
dnl Check whether writing to stdout works.
PHP_TEST_WRITE_STDOUT
dnl Check for /usr/pkg/{lib,include} which is where NetBSD puts binary and
dnl source packages. This should be harmless on other OSs.
if test -d /usr/pkg/include && test -d /usr/pkg/lib; then
CPPFLAGS="$CPPFLAGS -I/usr/pkg/include"
LDFLAGS="$LDFLAGS -L/usr/pkg/lib"
fi
test -d /usr/ucblib && PHP_ADD_LIBPATH(/usr/ucblib)
dnl First, library checks.
dnl ----------------------------------------------------------------------------
AC_SEARCH_LIBS([socket], [socket network])
AC_CHECK_FUNCS([socketpair],,
[AC_SEARCH_LIBS([socketpair], [socket network],
[AC_DEFINE([HAVE_SOCKETPAIR], [1])])])
AC_SEARCH_LIBS([gethostbyaddr], [nsl network])
AC_SEARCH_LIBS([dlopen], [dl],
[AC_DEFINE([HAVE_LIBDL], [1], [Define to 1 if the dl library is available.])])
AC_SEARCH_LIBS([sin], [m])
case $host_alias in
riscv64*)
PHP_CHECK_FUNC(__atomic_exchange_1, atomic)
;;
esac
dnl Solaris/Illumos for process mapping.
AC_SEARCH_LIBS([Pgrab], [proc])
dnl Haiku does not have network api in libc.
AC_SEARCH_LIBS([setsockopt], [network])
dnl Check for openpty. It may require linking against libutil or libbsd.
AC_CHECK_FUNCS([openpty],,
[AC_SEARCH_LIBS([openpty], [util bsd], [AC_DEFINE([HAVE_OPENPTY], [1])])])
dnl Then headers.
dnl ----------------------------------------------------------------------------
dnl QNX requires unix.h to allow functions in libunix to work properly.
AC_CHECK_HEADERS(m4_normalize([
dirent.h
sys/param.h
sys/types.h
sys/time.h
netinet/in.h
alloca.h
arpa/inet.h
arpa/nameser.h
dns.h
fcntl.h
grp.h
ieeefp.h
langinfo.h
linux/sock_diag.h
poll.h
pty.h
pwd.h
resolv.h
strings.h
syslog.h
sysexits.h
sys/ioctl.h
sys/file.h
sys/mman.h
sys/mount.h
sys/poll.h
sys/resource.h
sys/select.h
sys/socket.h
sys/stat.h
sys/statfs.h
sys/statvfs.h
sys/vfs.h
sys/sysexits.h
sys/uio.h
sys/wait.h
sys/loadavg.h
unistd.h
unix.h
utime.h
sys/utsname.h
sys/ipc.h
dlfcn.h
tmmintrin.h
nmmintrin.h
wmmintrin.h
immintrin.h
]),,, [dnl
#ifdef HAVE_SYS_PARAM_H
#include <sys/param.h>
#endif
#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#ifdef HAVE_SYS_TIME_H
#include <sys/time.h>
#endif
#ifdef HAVE_NETINET_IN_H
#include <netinet/in.h>
#endif
#ifdef HAVE_ARPA_NAMESER_H
#include <arpa/nameser.h>
#endif
])
PHP_FOPENCOOKIE
PHP_BROKEN_GETCWD
AS_VAR_IF([GCC], [yes], [PHP_BROKEN_GCC_STRLEN_OPT])
dnl Detect the headers required to use makedev, major, and minor.
dnl Autoconf <= 2.69 didn't check glibc 2.25 deprecated macros in sys/types.h.
m4_version_prereq([2.70],,[ac_cv_header_sys_types_h_makedev=no])
AC_HEADER_MAJOR
dnl Checks for typedefs, structures, and compiler characteristics.
dnl ----------------------------------------------------------------------------
AC_STRUCT_TIMEZONE
PHP_MISSING_TIME_R_DECL
AC_CHECK_TYPES([struct flock],,,[#include <fcntl.h>])
AC_CHECK_TYPES(socklen_t, [], [], [
#ifdef HAVE_SYS_TYPES_H
# include <sys/types.h>
#endif
#ifdef HAVE_SYS_SOCKET_H
# include <sys/socket.h>
#endif
])
dnl These are defined elsewhere than stdio.h.
PHP_CHECK_SIZEOF(intmax_t, 0)
PHP_CHECK_SIZEOF(ssize_t, 8)
PHP_CHECK_SIZEOF(ptrdiff_t, 8)
dnl Check stdint types (must be after header check).
PHP_CHECK_STDINT_TYPES
dnl Check GNU C builtins.
PHP_CHECK_BUILTIN([__builtin_clz])
PHP_CHECK_BUILTIN([__builtin_clzl])
PHP_CHECK_BUILTIN([__builtin_clzll])
PHP_CHECK_BUILTIN([__builtin_cpu_init])
PHP_CHECK_BUILTIN([__builtin_cpu_supports])
PHP_CHECK_BUILTIN([__builtin_ctzl])
PHP_CHECK_BUILTIN([__builtin_ctzll])
PHP_CHECK_BUILTIN([__builtin_expect])
PHP_CHECK_BUILTIN([__builtin_frame_address])
PHP_CHECK_BUILTIN([__builtin_saddl_overflow])
PHP_CHECK_BUILTIN([__builtin_saddll_overflow])
PHP_CHECK_BUILTIN([__builtin_smull_overflow])
PHP_CHECK_BUILTIN([__builtin_smulll_overflow])
PHP_CHECK_BUILTIN([__builtin_ssubl_overflow])
PHP_CHECK_BUILTIN([__builtin_ssubll_overflow])
PHP_CHECK_BUILTIN([__builtin_unreachable])
PHP_CHECK_BUILTIN([__builtin_usub_overflow])
dnl Check AVX512
PHP_CHECK_AVX512_SUPPORTS
dnl Check AVX512 VBMI
PHP_CHECK_AVX512_VBMI_SUPPORTS
dnl Check for __alignof__ support in the compiler
AC_CACHE_CHECK([whether the compiler supports __alignof__],
[php_cv_have_alignof],
[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [
int align = __alignof__(int);
(void)align;
])],
[php_cv_have_alignof=yes],
[php_cv_have_alignof=no])])
AS_VAR_IF([php_cv_have_alignof], [yes],
[AC_DEFINE([HAVE_ALIGNOF], [1],
[Define to 1 if the compiler supports '__alignof__'.])])
dnl Check for structure members.
AC_CHECK_MEMBERS([struct tm.tm_gmtoff],,,[#include <time.h>])
AC_CHECK_MEMBERS([struct stat.st_blksize, struct stat.st_rdev])
dnl AC_STRUCT_ST_BLOCKS will screw QNX because fileblocks.o does not exist.
if test "`uname -s 2>/dev/null`" != "QNX"; then
AC_STRUCT_ST_BLOCKS
fi
dnl Checks for types.
AC_TYPE_UID_T
dnl Checks for sockaddr_storage and sockaddr.sa_len.
AC_CHECK_TYPES([struct sockaddr_storage],,,[#include <sys/socket.h>])
AC_CHECK_MEMBERS([struct sockaddr.sa_len],,,[#include <sys/socket.h>])
dnl Checks for GCC function attributes on all systems except ones without glibc
dnl Fix for these systems is already included in GCC 7, but not on GCC 6.
dnl
dnl At least some versions of FreeBSD seem to have buggy ifunc support, see
dnl bug #77284. Conservatively don't use ifuncs on FreeBSD prior to version 12.
AS_CASE([$host_alias], [*-*-*android*|*-*-*uclibc*|*-*-*musl*|*openbsd*], [true], [
if test "`uname -s 2>/dev/null`" != "FreeBSD" || test "`uname -U 2>/dev/null`" -ge 1200000; then
AX_GCC_FUNC_ATTRIBUTE([ifunc])
AX_GCC_FUNC_ATTRIBUTE([target])
fi
])
dnl Check for __attribute__ ((__aligned__)) support in the compiler.
PHP_CHECK_VARIABLE_ATTRIBUTE([aligned])
dnl Checks for library functions.
dnl ----------------------------------------------------------------------------
AC_CHECK_FUNCS(m4_normalize([
alphasort
asctime_r
asprintf
chroot
ctime_r
explicit_memset
fdatasync
flock
ftok
funopen
gai_strerror
getcwd
getgrnam_r
gethostname
getloadavg
getlogin
getprotobyname
getprotobynumber
getpwnam_r
getpwuid_r
getrusage
getservbyname
getservbyport
gettimeofday
getwd
glob
gmtime_r
lchown
localtime_r
memcntl
memfd_create
memmem
mempcpy
memrchr
mkstemp
mmap
nice
nl_langinfo
poll
pthread_jit_write_protect_np
putenv
scandir
setenv
setitimer
shutdown
sigprocmask
statfs
statvfs
std_syslog
strcasecmp
strnlen
strptime
strtok_r
symlink
tzset
unsetenv
usleep
utime
vasprintf
]))
AC_CHECK_FUNC([inet_ntop],,[AC_MSG_ERROR([Required inet_ntop not found.])])
AC_CHECK_FUNC([inet_pton],,[AC_MSG_ERROR([Required inet_pton not found.])])
dnl Check for strerror_r, and if its a POSIX-compatible or a GNU specific version.
AC_FUNC_STRERROR_R
dnl Check for functions inside their belonging headers.
AC_CHECK_HEADER([sys/prctl.h], [AC_CHECK_FUNCS([prctl])])
AC_CHECK_HEADER([sys/procctl.h], [AC_CHECK_FUNCS([procctl])])
AX_FUNC_WHICH_GETHOSTBYNAME_R
dnl Some systems (Solaris 10) do not have nanosleep in libc.
AC_CHECK_FUNCS([nanosleep],,
[AC_SEARCH_LIBS([nanosleep], [rt], [AC_DEFINE([HAVE_NANOSLEEP], [1])])])
dnl Check for getaddrinfo, should be a better way, but... Also check for working
dnl getaddrinfo.
AC_CACHE_CHECK([for getaddrinfo], [php_cv_func_getaddrinfo],
[AC_LINK_IFELSE([AC_LANG_PROGRAM([#include <netdb.h>],
[struct addrinfo *g,h;g=&h;getaddrinfo("","",g,&g);])],
[AC_RUN_IFELSE([AC_LANG_SOURCE([
#include <netdb.h>
#include <sys/types.h>
#include <string.h>
#include <stdlib.h>
#ifndef AF_INET
# include <sys/socket.h>
#endif
int main(void) {
struct addrinfo *ai, *pai, hints;
memset(&hints, 0, sizeof(hints));
hints.ai_flags = AI_NUMERICHOST;
if (getaddrinfo("127.0.0.1", 0, &hints, &ai) < 0) {
return 1;
}
if (ai == 0) {
return 1;
}
pai = ai;
while (pai) {
if (pai->ai_family != AF_INET) {
/* 127.0.0.1/NUMERICHOST should only resolve ONE way */
return 1;
}
if (pai->ai_addr->sa_family != AF_INET) {
/* 127.0.0.1/NUMERICHOST should only resolve ONE way */
return 1;
}
pai = pai->ai_next;
}
freeaddrinfo(ai);
return 0;
}
])],
[php_cv_func_getaddrinfo=yes],
[php_cv_func_getaddrinfo=no],
[AS_CASE([$host_alias],
[*linux*|*midipix], [php_cv_func_getaddrinfo=yes],
[php_cv_func_getaddrinfo=no])])],
[php_cv_func_getaddrinfo=no])])
AS_VAR_IF([php_cv_func_getaddrinfo], [yes],
[AC_DEFINE([HAVE_GETADDRINFO], [1],
[Define to 1 if you have the 'getaddrinfo' function.])])
dnl on FreeBSD, copy_file_range() works only with the undocumented flag 0x01000000;
dnl until the problem is fixed properly, copy_file_range() is used only on Linux
AC_CACHE_CHECK([for copy_file_range], [php_cv_func_copy_file_range],
[AC_RUN_IFELSE([AC_LANG_SOURCE([
#ifdef __linux__
#ifndef _GNU_SOURCE
#define _GNU_SOURCE
#endif
#include <linux/version.h>
#include <unistd.h>
int main(void) {
(void)copy_file_range(-1, 0, -1, 0, 0, 0);
#if LINUX_VERSION_CODE < KERNEL_VERSION(5,3,0)
#error "kernel too old"
#else
return 0;
#endif
}
#else
#error "unsupported platform"
#endif
])],
[php_cv_func_copy_file_range=yes],
[php_cv_func_copy_file_range=no],
[php_cv_func_copy_file_range=no])
])
AS_VAR_IF([php_cv_func_copy_file_range], [yes],
[AC_DEFINE([HAVE_COPY_FILE_RANGE], [1],
[Define to 1 if you have the 'copy_file_range' function.])])
AC_REPLACE_FUNCS(strlcat strlcpy explicit_bzero getopt)
AC_FUNC_ALLOCA
PHP_TIME_R_TYPE
AC_CACHE_CHECK([for aarch64 CRC32 API], [php_cv_func___crc32d],
[AC_LINK_IFELSE([AC_LANG_PROGRAM([#include <arm_acle.h>], [__crc32d(0, 0);])],
[php_cv_func___crc32d=yes],
[php_cv_func___crc32d=no])])
AS_VAR_IF([php_cv_func___crc32d], [yes],
[AC_DEFINE([HAVE_AARCH64_CRC32], [1],
[Define to 1 when aarch64 CRC32 API is available.])])
dnl Check for asm goto support.
AC_CACHE_CHECK([for asm goto], [php_cv_have__asm_goto],
[AC_LINK_IFELSE([AC_LANG_PROGRAM([], [
#if defined(__x86_64__) || defined(__i386__)
__asm__ goto("jmp %l0\n" :::: end);
#elif defined(__aarch64__)
__asm__ goto("b %l0\n" :::: end);
#endif
end:
return 0;
])],
[php_cv_have__asm_goto=yes],
[php_cv_have__asm_goto=no])])
AS_VAR_IF([php_cv_have__asm_goto], [yes],
[AC_DEFINE([HAVE_ASM_GOTO], [1],
[Define to 1 if asm goto support is available.])])
dnl Check Valgrind support.
PHP_ARG_WITH([valgrind],
[whether to enable Valgrind support],
[AS_HELP_STRING([--with-valgrind],
[Enable Valgrind support])],
[no],
[no])
AS_VAR_IF([PHP_VALGRIND], [no],,
[PKG_CHECK_MODULES([VALGRIND], [valgrind],
[PHP_EVAL_INCLINE([$VALGRIND_CFLAGS])
AC_DEFINE([HAVE_VALGRIND], [1],
[Define to 1 if Valgrind is enabled and supported.])])])
dnl General settings.
dnl ----------------------------------------------------------------------------
PHP_CONFIGURE_PART(General settings)
PHP_HELP_SEPARATOR([General settings:])
PHP_ARG_ENABLE([gcov],
[whether to include gcov symbols],
[AS_HELP_STRING([--enable-gcov],
[Enable GCOV code coverage - FOR DEVELOPERS ONLY!!])],
[no],
[no])
if test "$PHP_GCOV" = "yes"; then
if test "$GCC" != "yes"; then
AC_MSG_ERROR([GCC is required for --enable-gcov])
fi
dnl Check if ccache is being used.
case `$php_shtool path $CC` in
*ccache*[)] gcc_ccache=yes;;
*[)] gcc_ccache=no;;
esac
if test "$gcc_ccache" = "yes" && (test -z "$CCACHE_DISABLE" || test "$CCACHE_DISABLE" != "1"); then
AC_MSG_ERROR([ccache must be disabled when --enable-gcov option is used. You can disable ccache by setting environment variable CCACHE_DISABLE=1.])
fi
AC_DEFINE(HAVE_GCOV, 1, [Whether you have gcov])
PHP_ADD_MAKEFILE_FRAGMENT([$abs_srcdir/build/Makefile.gcov], [$abs_srcdir])
dnl Remove all optimization flags from CFLAGS.
changequote({,})
dnl Discard known '-O...' flags, including just '-O', but do not remove only '-O' in '-Ounknown'
CFLAGS=`echo "$CFLAGS" | $SED -e 's/-O\([0-9gsz]\|fast\|\)\([\t ]\|$\)//g'`
CXXFLAGS=`echo "$CXXFLAGS" | $SED -e 's/-O\([0-9gsz]\|fast\|\)\([\t ]\|$\)//g'`
changequote([,])
dnl Add the special gcc flags.
CFLAGS="$CFLAGS -O0 -fprofile-arcs -ftest-coverage"
CXXFLAGS="$CXXFLAGS -O0 -fprofile-arcs -ftest-coverage"
fi
PHP_ARG_ENABLE([debug],
[whether to include debugging symbols],
[AS_HELP_STRING([--enable-debug],
[Compile with debugging symbols])],
[no],
[no])
if test "$PHP_DEBUG" = "yes"; then
PHP_DEBUG=1
ZEND_DEBUG=yes
changequote({,})
dnl Discard known '-O...' flags, including just '-O', but do not remove only '-O' in '-Ounknown'
CFLAGS=`echo "$CFLAGS" | $SED -e 's/-O\([0-9gsz]\|fast\|\)\([\t ]\|$\)//g'`
CXXFLAGS=`echo "$CXXFLAGS" | $SED -e 's/-O\([0-9gsz]\|fast\|\)\([\t ]\|$\)//g'`
changequote([,])
dnl Add -O0 only if GCC or ICC is used.
if test "$GCC" = "yes" || test "$ICC" = "yes"; then
CFLAGS="$CFLAGS -O0"
CXXFLAGS="$CXXFLAGS -g -O0"
fi
if test "$SUNCC" = "yes"; then
if test -n "$auto_cflags"; then
CFLAGS="-g"
CXXFLAGS="-g"
else
CFLAGS="$CFLAGS -g"
CXXFLAGS="$CFLAGS -g"
fi
fi
else
PHP_DEBUG=0
ZEND_DEBUG=no
fi
PHP_ARG_ENABLE([debug-assertions],
[whether to enable debug assertions in release mode],
[AS_HELP_STRING([--enable-debug-assertions],
[Compile with debug assertions even in release mode])],
[no],
[no])
if test "$PHP_DEBUG_ASSERTIONS" = "yes"; then
PHP_DEBUG=1
ZEND_DEBUG=yes
fi
AC_ARG_ENABLE([zts],
[AS_HELP_STRING([--enable-zts],
[Enable thread safety])],
[ZEND_ZTS=$enableval],
[ZEND_ZTS=no])
if test "$ZEND_ZTS" = "yes"; then
AC_DEFINE(ZTS, 1,[ ])
PHP_THREAD_SAFETY=yes
else
PHP_THREAD_SAFETY=no
fi
AS_VAR_IF([PHP_THREAD_SAFETY], [yes], [
AS_VAR_IF([pthreads_working], [yes], [],
[AC_MSG_ERROR([m4_normalize([
Unable to verify system support for POSIX Threads, which are required for
PHP thread safety (ZTS) build.
])])])
AC_MSG_CHECKING([for POSIX threads])
AC_MSG_RESULT([yes])
])
PHP_ARG_ENABLE([rtld-now],
[whether to dlopen extensions with RTLD_NOW instead of RTLD_LAZY],
[AS_HELP_STRING([--enable-rtld-now],
[Use dlopen with RTLD_NOW instead of RTLD_LAZY])],
[no],
[no])
if test "$PHP_RTLD_NOW" = "yes"; then
AC_DEFINE(PHP_USE_RTLD_NOW, 1, [ Use dlopen with RTLD_NOW instead of RTLD_LAZY ])
fi
PHP_ARG_WITH([layout],
[layout of installed files],
[AS_HELP_STRING([--with-layout=TYPE],
[Set how installed files will be laid out. Type can be either PHP or GNU [PHP]])],
[PHP],
[no])
case $PHP_LAYOUT in
GNU)
oldstyleextdir=no
;;
*)
oldstyleextdir=yes
;;
esac
PHP_ARG_WITH([config-file-path],
[path to configuration file],
[AS_HELP_STRING([--with-config-file-path=PATH],
[Set the path in which to look for php.ini [PREFIX/lib]])],
[DEFAULT],
[no])
if test "$PHP_CONFIG_FILE_PATH" = "DEFAULT"; then
case $PHP_LAYOUT in
GNU)
PHP_CONFIG_FILE_PATH=$sysconfdir
;;
*)
PHP_CONFIG_FILE_PATH=$libdir
;;
esac
fi
AC_MSG_CHECKING([where to scan for configuration files])
PHP_ARG_WITH([config-file-scan-dir],,
[AS_HELP_STRING([--with-config-file-scan-dir=PATH],
[Set the path where to scan for configuration files])],
[DEFAULT],
[no])
if test "$PHP_CONFIG_FILE_SCAN_DIR" = "DEFAULT"; then
PHP_CONFIG_FILE_SCAN_DIR=
fi
AC_MSG_RESULT([$PHP_CONFIG_FILE_SCAN_DIR])
PHP_ARG_ENABLE([sigchild],
[whether to enable PHP's own SIGCHLD handler],
[AS_HELP_STRING([--enable-sigchild],
[Enable PHP's own SIGCHLD handler])],
[no],
[no])
if test "$PHP_SIGCHILD" = "yes"; then
AC_DEFINE(PHP_SIGCHILD, 1, [ ])
else
AC_DEFINE(PHP_SIGCHILD, 0, [ ])
fi
PHP_ARG_ENABLE([libgcc],
[whether to explicitly link against libgcc],
[AS_HELP_STRING([--enable-libgcc],
[Enable explicitly linking against libgcc])],
[no],
[no])
if test "$PHP_LIBGCC" = "yes"; then
PHP_LIBGCC_LIBPATH(gcc)
if test -z "$libgcc_libpath"; then
AC_MSG_ERROR([Cannot locate libgcc. Make sure that gcc is in your path])
fi
PHP_ADD_LIBPATH($libgcc_libpath)
PHP_ADD_LIBRARY(gcc, yes)
fi
PHP_ARG_ENABLE([short-tags],
[whether to enable short tags by default],
[AS_HELP_STRING([--disable-short-tags],
[Disable the short-form <? start tag by default])],
[yes],
[no])
if test "$PHP_SHORT_TAGS" = "yes"; then
AC_DEFINE(DEFAULT_SHORT_OPEN_TAG, "1", [ ])
else
AC_DEFINE(DEFAULT_SHORT_OPEN_TAG, "0", [ ])
fi
PHP_ARG_ENABLE([dmalloc],
[whether to enable dmalloc],
[AS_HELP_STRING([--enable-dmalloc],
[Enable dmalloc])],
[no],
[no])
AS_VAR_IF([PHP_DMALLOC], [yes],
[AC_CHECK_LIB([dmalloc], [dmalloc_error],
[PHP_ADD_LIBRARY([dmalloc])
AC_DEFINE([HAVE_DMALLOC], [1], [Define to 1 if you have dmalloc.])
AS_VAR_APPEND([CPPFLAGS], [" -DDMALLOC_FUNC_CHECK"])],
[AC_MSG_ERROR([Problem with enabling dmalloc. Please, check config.log for details.])])])
PHP_ARG_ENABLE([ipv6],
[whether to enable IPv6 support],
[AS_HELP_STRING([--disable-ipv6],
[Disable IPv6 support])],
[yes],
[no])
AS_VAR_IF([PHP_IPV6], [yes],
[AC_CACHE_CHECK([for IPv6 support], [php_cv_have_ipv6],
[AC_LINK_IFELSE([AC_LANG_PROGRAM([
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
], [[
struct sockaddr_in6 s;
struct in6_addr t = in6addr_any;
int i = AF_INET6;
(void)s;
t.s6_addr[0] = 0;