forked from GNOME/glib
-
Notifications
You must be signed in to change notification settings - Fork 0
/
Copy pathmeson.build
2407 lines (2179 loc) · 78.2 KB
/
meson.build
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
project('glib', 'c', 'cpp',
version : '2.69.0',
# NOTE: We keep this pinned at 0.49 because that's what Debian 10 ships
meson_version : '>= 0.49.2',
default_options : [
'buildtype=debugoptimized',
'warning_level=1',
'c_std=gnu99'
]
)
cc = meson.get_compiler('c')
cxx = meson.get_compiler('cpp')
cc_can_run = not meson.is_cross_build() or meson.has_exe_wrapper()
if cc.get_argument_syntax() == 'msvc'
# Ignore several spurious warnings for things glib does very commonly
# (also for clang-cl)
add_project_arguments('/FImsvc_recommended_pragmas.h',language : 'c')
endif
if cc.get_id() == 'msvc'
# If a warning is completely useless and spammy, use '/wdXXXX' to suppress it
# If a warning is harmless but hard to fix, use '/woXXXX' so it's shown once
# NOTE: Only add warnings here if you are sure they're spurious
add_project_arguments('/wd4035', '/wd4715', '/wd4116',
'/wd4046', '/wd4068', '/wo4090',language : 'c')
# Set the input and exec encoding to utf-8, like is the default with GCC
add_project_arguments(cc.get_supported_arguments(['/utf-8']), language: 'c')
# Disable SAFESEH with MSVC for plugins and libs that use external deps that
# are built with MinGW
noseh_link_args = ['/SAFESEH:NO']
else
noseh_link_args = []
# -mms-bitfields vs -fnative-struct ?
endif
host_system = host_machine.system()
if host_system == 'darwin'
ios_test_code = '''#include <TargetConditionals.h>
#if ! TARGET_OS_IPHONE
#error "Not iOS/tvOS/watchOS/iPhoneSimulator"
#endif'''
if cc.compiles(ios_test_code, name : 'building for iOS')
host_system = 'ios'
endif
endif
glib_version = meson.project_version()
glib_api_version = '2.0'
version_arr = glib_version.split('.')
major_version = version_arr[0].to_int()
minor_version = version_arr[1].to_int()
micro_version = version_arr[2].to_int()
interface_age = minor_version.is_odd() ? 0 : micro_version
binary_age = 100 * minor_version + micro_version
soversion = 0
# Maintain compatibility with previous libtool versioning
# current = minor * 100 + micro
current = binary_age - interface_age
library_version = '@0@.@1@.@2@'.format(soversion, current, interface_age)
darwin_versions = [current + 1, '@0@.@1@'.format(current + 1, interface_age)]
configinc = include_directories('.')
glibinc = include_directories('glib')
gobjectinc = include_directories('gobject')
gmoduleinc = include_directories('gmodule')
gioinc = include_directories('gio')
glib_prefix = get_option('prefix')
glib_bindir = join_paths(glib_prefix, get_option('bindir'))
glib_libdir = join_paths(glib_prefix, get_option('libdir'))
glib_libexecdir = join_paths(glib_prefix, get_option('libexecdir'))
glib_datadir = join_paths(glib_prefix, get_option('datadir'))
glib_pkgdatadir = join_paths(glib_datadir, 'glib-2.0')
glib_includedir = join_paths(glib_prefix, get_option('includedir'))
if get_option('gio_module_dir') != ''
glib_giomodulesdir = join_paths(glib_prefix, get_option('gio_module_dir'))
else
glib_giomodulesdir = join_paths(glib_libdir, 'gio', 'modules')
endif
glib_pkgconfigreldir = join_paths(glib_libdir, 'pkgconfig')
if get_option('charsetalias_dir') != ''
glib_charsetaliasdir = join_paths(glib_prefix, get_option('charsetalias_dir'))
else
glib_charsetaliasdir = glib_libdir
endif
glib_localstatedir = get_option('localstatedir')
if not glib_localstatedir.startswith('/')
# See https://mesonbuild.com/Builtin-options.html#directories
glib_localstatedir = join_paths(glib_prefix, glib_localstatedir)
endif
installed_tests_metadir = join_paths(glib_datadir, 'installed-tests', meson.project_name())
installed_tests_execdir = join_paths(glib_libexecdir, 'installed-tests', meson.project_name())
installed_tests_enabled = get_option('installed_tests')
installed_tests_template = files('template.test.in')
installed_tests_template_tap = files('template-tap.test.in')
# Don’t build the tests unless we can run them (either natively, in an exe wrapper, or by installing them for later use)
build_tests = get_option('tests') and (not meson.is_cross_build() or (meson.is_cross_build() and meson.has_exe_wrapper()) or installed_tests_enabled)
add_project_arguments('-D_GNU_SOURCE', language: 'c')
if host_system == 'qnx'
add_project_arguments('-D_QNX_SOURCE', language: 'c')
endif
# Disable strict aliasing;
# see https://bugzilla.gnome.org/show_bug.cgi?id=791622
if cc.has_argument('-fno-strict-aliasing')
add_project_arguments('-fno-strict-aliasing', language: 'c')
endif
########################
# Configuration begins #
########################
glib_conf = configuration_data()
glibconfig_conf = configuration_data()
# accumulated list of defines as we check for them, so we can easily
# use them later in test programs (autoconf does this automatically)
glib_conf_prefix = ''
glib_conf.set('GLIB_MAJOR_VERSION', major_version)
glib_conf.set('GLIB_MINOR_VERSION', minor_version)
glib_conf.set('GLIB_MICRO_VERSION', micro_version)
glib_conf.set('GLIB_INTERFACE_AGE', interface_age)
glib_conf.set('GLIB_BINARY_AGE', binary_age)
glib_conf.set_quoted('GETTEXT_PACKAGE', 'glib20')
glib_conf.set_quoted('PACKAGE_BUGREPORT', 'https://gitlab.gnome.org/GNOME/glib/issues/new')
glib_conf.set_quoted('PACKAGE_NAME', 'glib')
glib_conf.set_quoted('PACKAGE_STRING', 'glib @0@'.format(meson.project_version()))
glib_conf.set_quoted('PACKAGE_TARNAME', 'glib')
glib_conf.set_quoted('PACKAGE_URL', '')
glib_conf.set_quoted('PACKAGE_VERSION', meson.project_version())
glib_conf.set('ENABLE_NLS', 1)
# used by the .rc.in files
glibconfig_conf.set('LT_CURRENT_MINUS_AGE', soversion)
glib_conf.set('_GNU_SOURCE', 1)
if host_system == 'windows'
# Poll doesn't work on devices on Windows
glib_conf.set('BROKEN_POLL', true)
endif
if host_system == 'windows' and cc.get_id() != 'msvc' and cc.get_id() != 'clang-cl'
# FIXME: Ideally we shouldn't depend on this on Windows and should use
# 64 bit capable Windows API that also works with MSVC.
# The autotools build did set this for mingw and while meson sets it
# for gcc/clang by default, it doesn't do so on Windows.
glib_conf.set('_FILE_OFFSET_BITS', 64)
endif
# Check for GNU visibility attributes
g_have_gnuc_visibility = cc.compiles('''
void
__attribute__ ((visibility ("hidden")))
f_hidden (void)
{
}
void
__attribute__ ((visibility ("internal")))
f_internal (void)
{
}
void
__attribute__ ((visibility ("default")))
f_default (void)
{
}
int main (void)
{
f_hidden();
f_internal();
f_default();
return 0;
}
''',
# Not supported by MSVC, but MSVC also won't support visibility,
# so it's OK to pass -Werror explicitly. Replace with
# override_options : 'werror=true' once that is supported
args: ['-Werror'],
name : 'GNU C visibility attributes test')
if g_have_gnuc_visibility
glibconfig_conf.set('G_HAVE_GNUC_VISIBILITY', '1')
endif
# Detect and set symbol visibility
glib_hidden_visibility_args = []
if get_option('default_library') != 'static'
if host_system == 'windows' or host_system == 'cygwin'
glib_conf.set('DLL_EXPORT', true)
if cc.get_id() == 'msvc' or cc.get_id() == 'clang-cl'
glib_conf.set('_GLIB_EXTERN', '__declspec(dllexport) extern')
elif cc.has_argument('-fvisibility=hidden')
glib_conf.set('_GLIB_EXTERN', '__attribute__((visibility("default"))) __declspec(dllexport) extern')
glib_hidden_visibility_args = ['-fvisibility=hidden']
endif
elif cc.has_argument('-fvisibility=hidden')
glib_conf.set('_GLIB_EXTERN', '__attribute__((visibility("default"))) extern')
glib_hidden_visibility_args = ['-fvisibility=hidden']
endif
endif
if get_option('default_library') == 'static'
glibconfig_conf.set('GLIB_STATIC_COMPILATION', '1')
glibconfig_conf.set('GOBJECT_STATIC_COMPILATION', '1')
endif
# Cygwin glib port maintainers made it clear
# (via the patches they apply) that they want no
# part of glib W32 code, therefore we do not define
# G_PLATFORM_WIN32 for host_system == 'cygwin'.
# This makes G_PLATFORM_WIN32 a synonym for
# G_OS_WIN32.
if host_system == 'windows'
glib_os = '''#define G_OS_WIN32
#define G_PLATFORM_WIN32'''
elif host_system == 'cygwin'
glib_os = '''#define G_OS_UNIX
#define G_WITH_CYGWIN'''
else
glib_os = '#define G_OS_UNIX'
endif
glibconfig_conf.set('glib_os', glib_os)
# We need to know the CRT being used to determine what .lib files we need on
# Visual Studio for dependencies that don't normally come with pkg-config files
vs_crt = 'release'
vs_crt_opt = get_option('b_vscrt')
if vs_crt_opt in ['mdd', 'mtd']
vs_crt = 'debug'
elif vs_crt_opt == 'from_buildtype'
if get_option('buildtype') == 'debug'
vs_crt = 'debug'
endif
endif
# Use debug/optimization flags to determine whether to enable debug or disable
# cast checks
glib_debug_cflags = []
glib_debug = get_option('glib_debug')
if glib_debug.enabled() or (glib_debug.auto() and get_option('debug'))
glib_debug_cflags += ['-DG_ENABLE_DEBUG']
message('Enabling various debug infrastructure')
elif get_option('optimization') in ['2', '3', 's']
glib_debug_cflags += ['-DG_DISABLE_CAST_CHECKS']
message('Disabling cast checks')
endif
if not get_option('glib_assert')
glib_debug_cflags += ['-DG_DISABLE_ASSERT']
message('Disabling GLib asserts')
endif
if not get_option('glib_checks')
glib_debug_cflags += ['-DG_DISABLE_CHECKS']
message('Disabling GLib checks')
endif
add_project_arguments(glib_debug_cflags, language: 'c')
# check for header files
headers = [
'alloca.h',
'crt_externs.h',
'dirent.h', # MSC does not come with this by default
'float.h',
'fstab.h',
'grp.h',
'inttypes.h',
'limits.h',
'linux/magic.h',
'locale.h',
'mach/mach_time.h',
'memory.h',
'mntent.h',
'poll.h',
'pwd.h',
'sched.h',
'spawn.h',
'stdatomic.h',
'stdint.h',
'stdlib.h',
'string.h',
'strings.h',
'sys/auxv.h',
'sys/event.h',
'sys/filio.h',
'sys/inotify.h',
'sys/mkdev.h',
'sys/mntctl.h',
'sys/mnttab.h',
'sys/mount.h',
'sys/param.h',
'sys/resource.h',
'sys/select.h',
'sys/statfs.h',
'sys/stat.h',
'sys/statvfs.h',
'sys/sysctl.h',
'sys/time.h', # MSC does not come with this by default
'sys/times.h',
'sys/types.h',
'sys/uio.h',
'sys/vfs.h',
'sys/vfstab.h',
'sys/vmount.h',
'sys/wait.h',
'termios.h',
'unistd.h',
'values.h',
'wchar.h',
'xlocale.h',
]
foreach h : headers
if cc.has_header(h)
define = 'HAVE_' + h.underscorify().to_upper()
glib_conf.set(define, 1)
glib_conf_prefix = glib_conf_prefix + '#define @0@ 1\n'.format(define)
endif
endforeach
# FIXME: Use cc.check_header from Meson 0.47.
# FreeBSD includes a malloc.h which always throw compilation error.
if cc.compiles('#include <malloc.h>', name : 'malloc.h')
glib_conf.set('HAVE_MALLOC_H', 1)
glib_conf_prefix = glib_conf_prefix + '#define HAVE_MALLOC_H 1\n'
endif
if cc.has_header('linux/netlink.h')
glib_conf.set('HAVE_NETLINK', 1)
endif
# Is statx() supported? Android systems don’t reliably support it as of August 2020.
statx_code = '''
#ifndef _GNU_SOURCE
#define _GNU_SOURCE
#endif
#include <sys/stat.h>
#include <fcntl.h>
int main (void)
{
struct statx stat_buf;
return statx (AT_FDCWD, "/", AT_SYMLINK_NOFOLLOW, STATX_BASIC_STATS | STATX_BTIME, &stat_buf);
}
'''
if host_system != 'android' and cc.compiles(statx_code, name : 'statx() test')
glib_conf.set('HAVE_STATX', 1)
endif
if glib_conf.has('HAVE_LOCALE_H')
if cc.has_header_symbol('locale.h', 'LC_MESSAGES')
glib_conf.set('HAVE_LC_MESSAGES', 1)
endif
endif
struct_stat_blkprefix = '''
#include <sys/types.h>
#include <sys/stat.h>
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#ifdef HAVE_SYS_STATFS_H
#include <sys/statfs.h>
#endif
#ifdef HAVE_SYS_PARAM_H
#include <sys/param.h>
#endif
#ifdef HAVE_SYS_MOUNT_H
#include <sys/mount.h>
#endif
'''
struct_members = [
[ 'stat', 'st_mtimensec' ],
[ 'stat', 'st_mtim.tv_nsec' ],
[ 'stat', 'st_atimensec' ],
[ 'stat', 'st_atim.tv_nsec' ],
[ 'stat', 'st_ctimensec' ],
[ 'stat', 'st_ctim.tv_nsec' ],
[ 'stat', 'st_birthtime' ],
[ 'stat', 'st_birthtimensec' ],
[ 'stat', 'st_birthtim' ],
[ 'stat', 'st_birthtim.tv_nsec' ],
[ 'stat', 'st_blksize', struct_stat_blkprefix ],
[ 'stat', 'st_blocks', struct_stat_blkprefix ],
[ 'statfs', 'f_fstypename', struct_stat_blkprefix ],
[ 'statfs', 'f_bavail', struct_stat_blkprefix ],
[ 'dirent', 'd_type', '''#include <sys/types.h>
#include <dirent.h>''' ],
[ 'statvfs', 'f_basetype', '#include <sys/statvfs.h>' ],
[ 'statvfs', 'f_fstypename', '#include <sys/statvfs.h>' ],
[ 'tm', 'tm_gmtoff', '#include <time.h>' ],
[ 'tm', '__tm_gmtoff', '#include <time.h>' ],
]
foreach m : struct_members
header_check_prefix = glib_conf_prefix
if m.length() == 3
header_check_prefix = header_check_prefix + m[2]
else
header_check_prefix = header_check_prefix + '#include <sys/stat.h>'
endif
if cc.has_member('struct ' + m[0], m[1], prefix : header_check_prefix)
define = 'HAVE_STRUCT_@0@_@1@'.format(m[0].to_upper(), m[1].underscorify().to_upper())
glib_conf.set(define, 1)
glib_conf_prefix = glib_conf_prefix + '#define @0@ 1\n'.format(define)
else
endif
endforeach
# Compiler flags
if cc.get_id() == 'gcc' or cc.get_id() == 'clang'
warning_c_args = [
'-Wduplicated-branches',
'-Wimplicit-fallthrough',
'-Wmisleading-indentation',
'-Wstrict-prototypes',
'-Wunused',
# Due to maintained deprecated code, we do not want to see unused parameters
'-Wno-unused-parameter',
# Due to pervasive use of things like GPOINTER_TO_UINT(), we do not support
# building with -Wbad-function-cast.
'-Wno-bad-function-cast',
'-Wno-cast-function-type',
# Due to function casts through (void*) we cannot support -Wpedantic:
# https://wiki.gnome.org/Projects/GLib/CompilerRequirements#Function_pointer_conversions.
'-Wno-pedantic',
# A zero-length format string shouldn't be considered an issue.
'-Wno-format-zero-length',
'-Werror=declaration-after-statement',
'-Werror=format=2',
'-Werror=implicit-function-declaration',
'-Werror=init-self',
'-Werror=missing-include-dirs',
'-Werror=missing-prototypes',
'-Werror=pointer-arith',
]
warning_c_link_args = [
'-Wl,-z,nodelete',
]
if get_option('bsymbolic_functions')
warning_c_link_args += ['-Wl,-Bsymbolic-functions']
endif
else
warning_c_args = []
warning_c_link_args = []
endif
add_project_arguments(cc.get_supported_arguments(warning_c_args), language: 'c')
# FIXME: We cannot build some of the GResource tests with -z nodelete, which
# means we cannot use that flag in add_project_link_arguments(), and must add
# it to the relevant targets manually. We do the same with -Bsymbolic-functions
# because that is what the autotools build did.
# See https://github.com/mesonbuild/meson/pull/3520 for a way to eventually
# improve this.
glib_link_flags = cc.get_supported_link_arguments(warning_c_link_args)
# Windows SDK requirements and checks
if host_system == 'windows'
# Check whether we're building for UWP apps
code = '''
#include <windows.h>
#if !(WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_APP) && !WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP))
#error "Not building for UWP"
#endif'''
if cc.compiles(code, name : 'building for UWP')
glib_conf.set('G_WINAPI_ONLY_APP', true)
# We require Windows 10+ on WinRT
glib_conf.set('_WIN32_WINNT', '0x0A00')
uwp_gio_deps = [cc.find_library('shcore'),
cc.find_library('runtimeobject')]
else
# We require Windows 7+ on Win32
glib_conf.set('_WIN32_WINNT', '0x0601')
uwp_gio_deps = []
endif
endif
functions = [
'close_range',
'endmntent',
'endservent',
'epoll_create',
'fallocate',
'fchmod',
'fchown',
'fdwalk',
'fsync',
'getauxval',
'getc_unlocked',
'getfsstat',
'getgrgid_r',
'getmntent_r',
'getpwuid_r',
'getresuid',
'getvfsstat',
'gmtime_r',
'hasmntopt',
'inotify_init1',
'issetugid',
'kevent',
'kqueue',
'lchmod',
'lchown',
'link',
'localtime_r',
'lstat',
'mbrtowc',
'memalign',
'mmap',
'newlocale',
'pipe2',
'poll',
'prlimit',
'readlink',
'recvmmsg',
'sendmmsg',
'setenv',
'setmntent',
'strerror_r',
'strnlen',
'strsignal',
'strtod_l',
'strtoll_l',
'strtoull_l',
'symlink',
'timegm',
'unsetenv',
'uselocale',
'utimes',
'valloc',
'vasprintf',
'vsnprintf',
'wcrtomb',
'wcslen',
'wcsnlen',
'sysctlbyname',
]
# _NSGetEnviron is available on iOS too, but its usage gets apps rejected from
# the app store since it's considered 'private API'
if host_system == 'darwin'
functions += ['_NSGetEnviron']
endif
if glib_conf.has('HAVE_SYS_STATVFS_H')
functions += ['statvfs']
else
have_func_statvfs = false
endif
if glib_conf.has('HAVE_SYS_STATFS_H') or glib_conf.has('HAVE_SYS_MOUNT_H')
functions += ['statfs']
else
have_func_statfs = false
endif
if host_system == 'windows'
iphlpapi_dep = cc.find_library('iphlpapi')
iphlpapi_funcs = ['if_nametoindex', 'if_indextoname']
foreach ifunc : iphlpapi_funcs
iphl_prefix = '''#define _WIN32_WINNT @0@
#include <winsock2.h>
#include <iphlpapi.h>'''.format(glib_conf.get('_WIN32_WINNT'))
if cc.has_function(ifunc,
prefix : iphl_prefix,
dependencies : iphlpapi_dep)
idefine = 'HAVE_' + ifunc.underscorify().to_upper()
glib_conf.set(idefine, 1)
glib_conf_prefix = glib_conf_prefix + '#define @0@ 1\n'.format(idefine)
set_variable('have_func_' + ifunc, true)
else
set_variable('have_func_' + ifunc, false)
endif
endforeach
else
functions += ['if_indextoname', 'if_nametoindex']
endif
# AIX splice is something else
if host_system != 'aix'
functions += ['splice']
endif
foreach f : functions
if cc.has_function(f)
define = 'HAVE_' + f.underscorify().to_upper()
glib_conf.set(define, 1)
glib_conf_prefix = glib_conf_prefix + '#define @0@ 1\n'.format(define)
set_variable('have_func_' + f, true)
else
set_variable('have_func_' + f, false)
endif
endforeach
# Check that stpcpy() is usable; must use header.
# cc.has_function() in some cases (clang, gcc 10+) assumes that if the
# compiler provides a builtin of the same name that the function exists, while
# it's in fact not provided by any header or library. This is true for
# stpcpy() on Windows using clang and gcc as well as posix_memalign() using
# gcc on Windows. Skip these checks on Windows for now to avoid false
# positives. See https://github.com/mesonbuild/meson/pull/7116,
# https://github.com/mesonbuild/meson/issues/3672 and
# https://github.com/mesonbuild/meson/issues/5628.
# FIXME: Once meson no longer returns success for stpcpy() and
# posix_memalign() on Windows using GCC and clang we can remove this.
if host_system != 'windows' and cc.has_function('stpcpy', prefix : '#include <string.h>')
glib_conf.set('HAVE_STPCPY', 1)
endif
# When building for Android-20 and earlier, require Meson 0.54.2 or newer.
# This is needed, because Meson build versions prior to 0.54.2 return false
# positive for stpcpy has_function check when building for legacy Android.
if host_system == 'android'
android_is_older = cc.compiles('''#if __ANDROID_API__ >= 21
#error Android is 21 or newer
#endif''')
if android_is_older and meson.version().version_compare('< 0.54.2')
error('Compiling for <Android-21 requires Meson 0.54.2 or newer')
endif
endif
# Check that posix_memalign() is usable; must use header
if host_system != 'windows' and cc.has_function('posix_memalign', prefix : '#include <stdlib.h>')
glib_conf.set('HAVE_POSIX_MEMALIGN', 1)
endif
# Check that posix_spawn() is usable; must use header
if cc.has_function('posix_spawn', prefix : '#include <spawn.h>')
glib_conf.set('HAVE_POSIX_SPAWN', 1)
endif
# Check whether strerror_r returns char *
if have_func_strerror_r
if cc.compiles('''#define _GNU_SOURCE
#include <string.h>
int func (void) {
char error_string[256];
char *ptr = strerror_r (-2, error_string, 256);
char c = *strerror_r (-2, error_string, 256);
return c != 0 && ptr != (void*) 0L;
}
''',
name : 'strerror_r() returns char *')
glib_conf.set('STRERROR_R_CHAR_P', 1,
description: 'Defined if strerror_r returns char *')
endif
endif
# Special-case these functions that have alternative names on Windows/MSVC
if cc.has_function('snprintf') or cc.has_header_symbol('stdio.h', 'snprintf')
glib_conf.set('HAVE_SNPRINTF', 1)
glib_conf_prefix = glib_conf_prefix + '#define HAVE_SNPRINTF 1\n'
elif cc.has_function('_snprintf') or cc.has_header_symbol('stdio.h', '_snprintf')
hack_define = '1\n#define snprintf _snprintf'
glib_conf.set('HAVE_SNPRINTF', hack_define)
glib_conf_prefix = glib_conf_prefix + '#define HAVE_SNPRINTF ' + hack_define
endif
if cc.has_function('strcasecmp', prefix: '#include <strings.h>')
glib_conf.set('HAVE_STRCASECMP', 1)
glib_conf_prefix = glib_conf_prefix + '#define HAVE_STRCASECMP 1\n'
elif cc.has_function('_stricmp')
hack_define = '1\n#define strcasecmp _stricmp'
glib_conf.set('HAVE_STRCASECMP', hack_define)
glib_conf_prefix = glib_conf_prefix + '#define HAVE_STRCASECMP ' + hack_define
endif
if cc.has_function('strncasecmp', prefix: '#include <strings.h>')
glib_conf.set('HAVE_STRNCASECMP', 1)
glib_conf_prefix = glib_conf_prefix + '#define HAVE_STRNCASECMP 1\n'
elif cc.has_function('_strnicmp')
hack_define = '1\n#define strncasecmp _strnicmp'
glib_conf.set('HAVE_STRNCASECMP', hack_define)
glib_conf_prefix = glib_conf_prefix + '#define HAVE_STRNCASECMP ' + hack_define
endif
if cc.has_header_symbol('sys/sysmacros.h', 'major')
glib_conf.set('MAJOR_IN_SYSMACROS', 1)
elif cc.has_header_symbol('sys/mkdev.h', 'major')
glib_conf.set('MAJOR_IN_MKDEV', 1)
elif cc.has_header_symbol('sys/types.h', 'major')
glib_conf.set('MAJOR_IN_TYPES', 1)
endif
if cc.has_header_symbol('dlfcn.h', 'RTLD_LAZY')
glib_conf.set('HAVE_RTLD_LAZY', 1)
endif
if cc.has_header_symbol('dlfcn.h', 'RTLD_NOW')
glib_conf.set('HAVE_RTLD_NOW', 1)
endif
if cc.has_header_symbol('dlfcn.h', 'RTLD_GLOBAL')
glib_conf.set('HAVE_RTLD_GLOBAL', 1)
endif
have_rtld_next = false
if cc.has_header_symbol('dlfcn.h', 'RTLD_NEXT', args: '-D_GNU_SOURCE')
have_rtld_next = true
glib_conf.set('HAVE_RTLD_NEXT', 1)
endif
# Check whether to use statfs or statvfs
# Some systems have both statfs and statvfs, pick the most "native" for these
if have_func_statfs and have_func_statvfs
# on solaris and irix, statfs doesn't even have the f_bavail field
if not glib_conf.has('HAVE_STRUCT_STATFS_F_BAVAIL')
have_func_statfs = false
else
# at least on linux, statfs is the actual syscall
have_func_statvfs = false
endif
endif
if have_func_statfs
glib_conf.set('USE_STATFS', 1)
stat_func_to_use = 'statfs'
elif have_func_statvfs
glib_conf.set('USE_STATVFS', 1)
stat_func_to_use = 'statvfs'
else
stat_func_to_use = 'neither'
endif
message('Checking whether to use statfs or statvfs .. ' + stat_func_to_use)
if host_system == 'linux'
if cc.has_function('mkostemp',
prefix: '''#define _GNU_SOURCE
#include <stdlib.h>''')
glib_conf.set('HAVE_MKOSTEMP', 1)
endif
endif
osx_ldflags = []
glib_have_os_x_9_or_later = false
glib_have_carbon = false
glib_have_cocoa = false
if host_system == 'darwin'
add_languages('objc')
objcc = meson.get_compiler('objc')
osx_ldflags += ['-Wl,-framework,CoreFoundation']
# Mac OS X Carbon support
glib_have_carbon = objcc.compiles('''#include <Carbon/Carbon.h>
#include <CoreServices/CoreServices.h>''',
name : 'Mac OS X Carbon support')
if glib_have_carbon
glib_conf.set('HAVE_CARBON', true)
osx_ldflags += '-Wl,-framework,Carbon'
glib_have_os_x_9_or_later = objcc.compiles('''#include <AvailabilityMacros.h>
#if MAC_OS_X_VERSION_MIN_REQUIRED < 1090
#error Compiling for minimum OS X version before 10.9
#endif''',
name : 'OS X 9 or later')
endif
# Mac OS X Cocoa support
glib_have_cocoa = objcc.compiles('''#include <Cocoa/Cocoa.h>
#ifdef GNUSTEP_BASE_VERSION
#error "Detected GNUstep, not Cocoa"
#endif''',
name : 'Mac OS X Cocoa support')
if glib_have_cocoa
glib_conf.set('HAVE_COCOA', true)
osx_ldflags += ['-Wl,-framework,Foundation', '-Wl,-framework,AppKit']
endif
# FIXME: libgio mix C and objC source files and there is no way to reliably
# know which language flags it's going to use to link. Add to both languages
# for now. See https://github.com/mesonbuild/meson/issues/3585.
add_project_link_arguments(osx_ldflags, language : ['objc', 'c'])
endif
if host_system == 'qnx'
glib_conf.set('HAVE_QNX', 1)
endif
# Check for futex(2)
if cc.links('''#include <linux/futex.h>
#include <sys/syscall.h>
#include <unistd.h>
int main (int argc, char ** argv) {
syscall (__NR_futex, NULL, FUTEX_WAKE, FUTEX_WAIT);
return 0;
}''', name : 'futex(2) system call')
glib_conf.set('HAVE_FUTEX', 1)
endif
# Check for eventfd(2)
if cc.links('''#include <sys/eventfd.h>
#include <unistd.h>
int main (int argc, char ** argv) {
eventfd (0, EFD_CLOEXEC);
return 0;
}''', name : 'eventfd(2) system call')
glib_conf.set('HAVE_EVENTFD', 1)
endif
# Check for __uint128_t (gcc) by checking for 128-bit division
uint128_t_src = '''int main() {
static __uint128_t v1 = 100;
static __uint128_t v2 = 10;
static __uint128_t u;
u = v1 / v2;
}'''
if cc.compiles(uint128_t_src, name : '__uint128_t available')
glib_conf.set('HAVE_UINT128_T', 1)
endif
clock_gettime_test_code = '''
#include <time.h>
struct timespec t;
int main (int argc, char ** argv) {
return clock_gettime(CLOCK_REALTIME, &t);
}'''
librt = []
if cc.links(clock_gettime_test_code, name : 'clock_gettime')
glib_conf.set('HAVE_CLOCK_GETTIME', 1)
elif cc.links(clock_gettime_test_code, args : '-lrt', name : 'clock_gettime in librt')
glib_conf.set('HAVE_CLOCK_GETTIME', 1)
librt = cc.find_library('rt')
endif
dlopen_dlsym_test_code = '''
#include <dlfcn.h>
int glib_underscore_test (void) { return 42; }
int main (int argc, char ** argv) {
void *f1 = (void*)0, *f2 = (void*)0, *handle;
handle = dlopen ((void*)0, 0);
if (handle) {
f1 = dlsym (handle, "glib_underscore_test");
f2 = dlsym (handle, "_glib_underscore_test");
}
return (!f2 || f1);
}'''
libdl_dep = []
if cc.links(dlopen_dlsym_test_code, name : 'dlopen() and dlsym() in system libraries')
have_dlopen_dlsym = true
elif cc.links(dlopen_dlsym_test_code, args : '-ldl', name : 'dlopen() and dlsym() in libdl')
have_dlopen_dlsym = true
libdl_dep = cc.find_library('dl')
else
have_dlopen_dlsym = false
endif
# if statfs() takes 2 arguments (Posix) or 4 (Solaris)
if have_func_statfs
if cc.compiles(glib_conf_prefix + '''
#include <unistd.h>
#ifdef HAVE_SYS_PARAM_H
#include <sys/param.h>
#endif
#ifdef HAVE_SYS_VFS_H
#include <sys/vfs.h>
#endif
#ifdef HAVE_SYS_MOUNT_H
#include <sys/mount.h>
#endif
#ifdef HAVE_SYS_STATFS_H
#include <sys/statfs.h>
#endif
void some_func (void) {
struct statfs st;
statfs("/", &st);
}''', name : 'number of arguments to statfs() (n=2)')
glib_conf.set('STATFS_ARGS', 2)
elif cc.compiles(glib_conf_prefix + '''
#include <unistd.h>
#ifdef HAVE_SYS_PARAM_H
#include <sys/param.h>
#endif
#ifdef HAVE_SYS_VFS_H
#include <sys/vfs.h>
#endif
#ifdef HAVE_SYS_MOUNT_H
#include <sys/mount.h>
#endif
#ifdef HAVE_SYS_STATFS_H
#include <sys/statfs.h>
#endif
void some_func (void) {
struct statfs st;
statfs("/", &st, sizeof (st), 0);
}''', name : 'number of arguments to statfs() (n=4)')
glib_conf.set('STATFS_ARGS', 4)
else
error('Unable to determine number of arguments to statfs()')
endif
endif
# open takes O_DIRECTORY as an option
#AC_MSG_CHECKING([])
if cc.compiles('''#include <fcntl.h>
#include <sys/types.h>
#include <sys/stat.h>
void some_func (void) {
open(0, O_DIRECTORY, 0);
}''', name : 'open() option O_DIRECTORY')
glib_conf.set('HAVE_OPEN_O_DIRECTORY', 1)
endif
# fcntl takes F_FULLFSYNC as an option
# See https://developer.apple.com/library/archive/documentation/System/Conceptual/ManPages_iPhoneOS/man2/fsync.2.html
if cc.compiles('''#include <fcntl.h>
#include <sys/types.h>
#include <sys/stat.h>
void some_func (void) {
fcntl(0, F_FULLFSYNC, 0);
}''', name : 'fcntl() option F_FULLFSYNC')
glib_conf.set('HAVE_FCNTL_F_FULLFSYNC', 1)
endif
# Check whether there is a vsnprintf() function with C99 semantics installed.
# (similar tests to AC_FUNC_VSNPRINTF_C99)
# Check whether there is a snprintf() function with C99 semantics installed.
# (similar tests to AC_FUNC_SNPRINTF_C99)
# Check whether there is a printf() function with Unix98 semantics installed.
# (similar tests to AC_FUNC_PRINTF_UNIX98)
have_good_vsnprintf = false
have_good_snprintf = false
have_good_printf = false
if host_system == 'windows' and (cc.get_id() == 'msvc' or cc.get_id() == 'clang-cl')
# Unfortunately the Visual Studio 2015+ implementations of C99-style
# snprintf and vsnprintf don't seem to be quite good enough.
# (Sorry, I don't know exactly what is the problem,
# but it is related to floating point formatting and decimal point vs. comma.)
# The simple tests in AC_FUNC_VSNPRINTF_C99 and AC_FUNC_SNPRINTF_C99 aren't
# rigorous enough to notice, though.
glib_conf.set('HAVE_C99_SNPRINTF', false)
glib_conf.set('HAVE_C99_VSNPRINTF', false)
glib_conf.set('HAVE_UNIX98_PRINTF', false)
elif not cc_can_run and host_system in ['ios', 'darwin']
# All these are true when compiling natively on macOS, so we should use good
# defaults when building for iOS and tvOS.
glib_conf.set('HAVE_C99_SNPRINTF', true)
glib_conf.set('HAVE_C99_VSNPRINTF', true)
glib_conf.set('HAVE_UNIX98_PRINTF', true)
have_good_vsnprintf = true
have_good_snprintf = true
have_good_printf = true
else
vsnprintf_c99_test_code = '''
#include <stdio.h>
#include <stdarg.h>
int
doit(char * s, ...)
{
char buffer[32];
va_list args;
int r;
va_start(args, s);
r = vsnprintf(buffer, 5, s, args);
va_end(args);
if (r != 7)
exit(1);
/* AIX 5.1 and Solaris seems to have a half-baked vsnprintf()
implementation. The above will return 7 but if you replace
the size of the buffer with 0, it borks! */
va_start(args, s);
r = vsnprintf(buffer, 0, s, args);
va_end(args);
if (r != 7)
exit(1);
exit(0);
}
int
main(void)
{
doit("1234567");
exit(1);
}'''
if cc_can_run