forked from videolan/vlc
-
Notifications
You must be signed in to change notification settings - Fork 0
/
meson.build
1089 lines (905 loc) · 33.9 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('VLC', ['c', 'cpp'],
version: '4.0.0-dev',
default_options: ['c_std=gnu17', 'cpp_std=c++17'],
meson_version: '>=0.60.0')
vlc_copyright_years = '1996-2018'
vlc_version_codename = 'Otto Chriek'
# LibVLC library (ABI) version
# Format must be major.minor.micro
libvlc_abi_version = '12.0.0'
libvlc_abi_version_parts = libvlc_abi_version.split('.')
libvlc_abi_version_major = libvlc_abi_version_parts[0].to_int()
libvlc_abi_version_minor = libvlc_abi_version_parts[1].to_int()
libvlc_abi_version_micro = libvlc_abi_version_parts[2].to_int()
vlc_version_full = meson.project_version()
vlc_version_parts = vlc_version_full.split('-')[0].split('.')
vlc_version_type = vlc_version_full.split('-').get(1, '')
if (vlc_version_parts.length() < 3 or vlc_version_parts.length() > 4)
error(f'Unexpected project version "@vlc_version_full@".',
'Expected a format of major.minor.revision[.extra][-dev]')
endif
vlc_version_major = vlc_version_parts[0].to_int()
vlc_version_minor = vlc_version_parts[1].to_int()
vlc_version_revision = vlc_version_parts[2].to_int()
vlc_version_extra = vlc_version_parts.get(3, '0').to_int()
# Short version (major.minor.revision)
vlc_version_short = f'@vlc_version_major@.@vlc_version_minor@.@vlc_version_revision@'
# Normal VLC version (major.minor.revision[-dev])
vlc_version = vlc_version_short + ((vlc_version_type != '') ? f'-@vlc_version_type@' : '')
vlc_package_name = meson.project_name().to_lower()
vlc_src_root = meson.current_source_dir()
vlc_build_root = meson.current_build_dir()
cdata = configuration_data()
gen_vlc_about = find_program('buildsystem/gen-vlc-about.py')
vlc_about = custom_target('vlc_about.h',
input: ['COPYING', 'THANKS', 'AUTHORS'],
output: ['vlc_about.h'],
command: [gen_vlc_about,
'@INPUT0@',
'@INPUT1@',
'@INPUT2@',
'@OUTPUT@'])
add_project_arguments('-DHAVE_CONFIG_H=1', language: ['c', 'cpp', 'objc'])
# If building with contribs, read the relevant paths from the machine file
# to use it during checks (check_header, find_library) later.
contrib_dir = meson.get_external_property('contrib_dir', '')
if contrib_dir != ''
message('Using contribs: ' + contrib_dir)
contrib_incdir = meson.get_external_property('contrib_incdir')
contrib_libdir = meson.get_external_property('contrib_libdir')
# TODO: Remove contrib_inc_args and use contrib_incdir directly
# once upstream solution to
# https://github.com/mesonbuild/meson/pull/1386#issuecomment-1353858080
# is found.
contrib_inc_args = [f'-I@contrib_incdir@']
# Contrib depdendency
# This should be used ONLY in cases where you can not otherwise
# form a proper dependency (by using a dependency() or find_library())
# to contribs. It will add the contrib include and library directory
# to the target it is used with.
contrib_dep = declare_dependency(
link_args: '-L' + contrib_libdir,
compile_args: contrib_inc_args)
else
contrib_incdir = []
contrib_libdir = []
contrib_inc_args = []
contrib_dep = dependency('', required: false)
endif
cc = meson.get_compiler('c')
cpp = meson.get_compiler('cpp')
host_system = host_machine.system()
list_inc_dirs = ['.', 'include']
if cc.get_id() == 'msvc' or cc.get_id() == 'clang-cl'
# extra POSIX headers not found in the Windows SDK
list_inc_dirs += 'compat/windows'
endif
if host_system == 'darwin'
add_languages('objc', native: false)
endif
# Rust build system
cargo_bin = find_program('cargo', required: get_option('rust'))
#
# General feature defines
#
vlc_conf_prefix = ''
feature_defines = [
['_GNU_SOURCE', 1], # Enable GNU extensions on systems that have them
]
foreach d : feature_defines
cdata.set(d.get(0), d.get(1))
vlc_conf_prefix = vlc_conf_prefix + '#define @0@ @1@\n'.format(d.get(0), d.get(1))
endforeach
vlc_tests = []
#
# SIMD support
#
subdir('buildsystem/simd_checks')
#
# Check for global dependencies
# These are dependencies needed by libvlc or
# libvlccore and by some modules too.
#
# ATTENTION: Take care to follow the naming convetions:
# - Libraries found with find_lirary() must be named `name_lib`
# - Libraries (or Frameworks) found with dependency() must be
# named `name_dep`
#
# zlib library
z_dep = dependency('zlib', required: false)
# Math library
m_lib = cc.find_library('m', required: false)
# Dynamic library loading library
dl_lib = cc.find_library('dl', required: false)
# iconv library
iconv_dep = dependency('iconv', required: false)
iconv_const_test = '''
#include <stddef.h>
#include <iconv.h>
_Static_assert(_Generic((iconv),
size_t (*)(iconv_t, const char **, size_t *, char **, size_t *) : 1, default: 0),
"Const prototype not matched");
'''
if iconv_dep.found()
cdata.set('HAVE_ICONV', 1)
# Check if iconv() prototype uses const
if cc.compiles(iconv_const_test, name: 'Test iconv() for const-using prototype')
cdata.set('ICONV_CONST', 'const')
else
cdata.set('ICONV_CONST', '')
endif
endif
if host_system == 'darwin'
corefoundation_dep = dependency('CoreFoundation', required: true)
foundation_dep = dependency('Foundation', required: true)
else
corefoundation_dep = []
foundation_dep = []
endif
# Gettext
intl_dep = dependency('intl', required: get_option('nls'))
if intl_dep.found()
cdata.set('HAVE_GETTEXT', 1)
cdata.set('ENABLE_NLS', 1)
subdir('po')
endif
# Domain name i18n support via GNU libidn
idn_dep = dependency('libidn', required: false)
if idn_dep.found()
cdata.set('HAVE_IDN', 1)
endif
# Threads
threads_dep = dependency('threads', required: true)
# Check for X11
if (get_option('x11')
.disable_auto_if(host_system in ['darwin', 'windows'])
.allowed())
x11_dep = dependency('x11', required: get_option('x11'))
else
x11_dep = disabler()
endif
if not x11_dep.found()
cdata.set('X_DISPLAY_MISSING', 1)
endif
#
# Check for headers
#
check_c_headers = [
['stdbit.h'],
['stdckdint.h'],
['arpa/inet.h'],
['threads.h'],
['netinet/tcp.h'],
['search.h'],
['sys/uio.h'],
['sys/socket.h'],
['net/if.h'],
['execinfo.h'],
['features.h'],
['getopt.h'],
['linux/dccp.h'],
['linux/magic.h'],
['netinet/udplite.h'],
['pthread.h'],
['poll.h'],
['sys/auxv.h'],
['sys/eventfd.h'],
['sys/mount.h'],
['sys/shm.h'],
['sys/soundcard.h'],
['valgrind/valgrind.h'],
['X11/Xlib.h'],
['xlocale.h'],
['zlib.h'],
['wordexp.h'],
['GL/wglew.h',
{ 'prefix' : ['#include <windows.h>', '#include <GL/glew.h>'],
'args' : [contrib_inc_args] }],
]
check_cpp_headers = [
['dcomp.h',
{ 'prefix' : ['#include <windows.h>'],
'args' : [contrib_inc_args]}],
]
foreach header : check_c_headers
header_kwargs = header.get(1, {})
# TODO: Once we require meson 1.0, drop the array join here
# See: https://github.com/mesonbuild/meson/pull/11099
if cc.check_header(header[0],
prefix: '\n'.join(header_kwargs.get('prefix', [])),
args: header_kwargs.get('args', []))
cdata.set('HAVE_' + header[0].underscorify().to_upper(), 1)
endif
endforeach
foreach header : check_cpp_headers
header_kwargs = header.get(1, {})
# TODO: Once we require meson 1.0, drop the array join here
# See: https://github.com/mesonbuild/meson/pull/11099
if cpp.check_header(header[0],
prefix: '\n'.join(header_kwargs.get('prefix', [])),
args: header_kwargs.get('args', []))
cdata.set('HAVE_' + header[0].underscorify().to_upper(), 1)
endif
endforeach
if not cdata.has('HAVE_STDBIT_H')
list_inc_dirs += 'compat/stdbit'
endif
if not cdata.has('HAVE_STDCKDINT_H')
list_inc_dirs += 'compat/stdckdint'
endif
vlc_include_dirs = include_directories(list_inc_dirs)
#
# Darwin specific checks
#
if host_system == 'darwin'
# Check if compiling for iOS
have_ios = cc.get_define('TARGET_OS_IPHONE',
prefix: '#include <TargetConditionals.h>') == '1'
# Check if compiling for tvOS
have_tvos = cc.get_define('TARGET_OS_TV',
prefix: '#include <TargetConditionals.h>') == '1'
# If none of the above, assume compiling for macOS
have_osx = not have_ios and not have_tvos
else
have_ios = false
have_tvos = false
have_osx = false
endif
if have_osx
add_project_arguments('-mmacosx-version-min=10.11',
language: ['c', 'cpp', 'objc'])
add_project_link_arguments('-mmacosx-version-min=10.11',
language: ['c', 'cpp', 'objc'])
endif
#
# Windows and MinGW checks
#
have_mingw = false
have_win_desktop = false
have_win_store = false
mingw_libs = []
libcom_cppflags = []
if host_system == 'windows'
# Defines needed for Windows
windows_defines = [
['UNICODE', 1], # Define to 1 for Unicode (Wide Chars) APIs
]
windows_version_test = '''
#ifdef _WIN32_WINNT
# error _WIN32_WINNT already defined
#else
# include <sdkddkver.h>
# if defined(_WIN32_WINNT) && _WIN32_WINNT >= 0x0601
# error _WIN32_WINNT toolchain default high enough
# endif
#endif
'''
if cc.compiles(windows_version_test, name: 'need _WIN32_WINNT defined to Win7')
windows_defines += [
['_WIN32_WINNT', '0x0601'] # Define for Windows 7 APIs
]
endif
foreach d : windows_defines
cdata.set(d.get(0), d.get(1))
vlc_conf_prefix = vlc_conf_prefix + '#define @0@ @1@\n'.format(d.get(0), d.get(1))
endforeach
# Check for HAVE_PROCESS_MITIGATION_IMAGE_LOAD_POLICY type
if cc.has_type('PROCESS_MITIGATION_IMAGE_LOAD_POLICY', prefix: '#include <winnt.h>')
cdata.set('HAVE_PROCESS_MITIGATION_IMAGE_LOAD_POLICY', 1)
endif
mingw_check = '''
#ifndef __MINGW32__
# error Not compiling with mingw
#endif
'''
# Check if MinGW is used at all
if cc.compiles(mingw_check)
# Check which kind of MinGW
mingw_version_major = cc.get_define('__MINGW64_VERSION_MAJOR',
prefix: '#include <_mingw.h>')
if mingw_version_major == ''
error('Cannot compile with MinGW, use MinGW-w64 >= 6.0 instead.')
endif
# Check that MinGW w64 is at least 6.0
if mingw_version_major.to_int() < 6
error('MinGW-w64 6.0 or higher required!')
endif
have_mingw = true
mingw_version_minor = cc.get_define('__MINGW64_VERSION_MINOR',
prefix: '#include <_mingw.h>')
mingw_version = '@0@.@1@'.format(mingw_version_major, mingw_version_minor)
message('Using MinGW-w64 ' + mingw_version)
# Defines needed for MinGW
mingw_defines = []
ucrt_version_test = '''
#include <crtdefs.h>
#if !(defined(_UCRT) || (__MSVCRT_VERSION__ >= 0x1400) || (__MSVCRT_VERSION__ >= 0xE00 && __MSVCRT_VERSION__ < 0x1000))
# error This is NOT a UCRT build
#endif
'''
if cc.compiles(ucrt_version_test, name: 'compiles with Universal C Runtime')
# for UCRT build we use the standard compatibility define of UCRT
mingw_defines += [
['__USE_MINGW_ANSI_STDIO', 0],
]
else
# Define to force use of MinGW printf
mingw_defines += [
['__USE_MINGW_ANSI_STDIO', 1],
]
endif
foreach d : mingw_defines
cdata.set(d.get(0), d.get(1))
vlc_conf_prefix = vlc_conf_prefix + '#define @0@ @1@\n'.format(d.get(0), d.get(1))
endforeach
# Check for the need to link to the mingwex lib for MinGW-w64 32bit
mingwex_lib = cc.find_library('mingwex', required: false)
if mingwex_lib.found() and not cc.find_library('mingw32', required: false).found()
mingw_libs += mingwex_lib
endif
# TODO: enable when meson 0.63 is required
# add_project_dependencies(mingw_libs, language: ['c', 'cpp'])
# fno-strict-aliasing is necessary for WRL and IID_PPV_ARGS to work safely
# MSVC doesn't have this option but doesn't do pointer aliasing, so it
# should work too
libcom_cppflags += '-fno-strict-aliasing'
if not cpp.has_argument(libcom_cppflags)
error('-fno-strict-aliasing is necessary for Windows C++ modules')
endif
# Check for fnative-struct or mms-bitfields support for MinGW
if cc.has_argument('-mms-bitfields')
add_project_arguments('-mms-bitfields',
language: ['c', 'cpp'])
# Check for the warning flag without "-Wno-", GCC accepts
# -Wno-<anything> for unsupported warnings, which can trigger
# other warnings instead.
if cc.has_argument('-Wincompatible-ms-struct')
add_project_arguments('-Wno-incompatible-ms-struct',
language: ['c', 'cpp'])
endif
elif cc.has_argument('-fnative-struct')
add_project_arguments('-fnative-struct',
language: ['c', 'cpp'])
endif
# DEP, ASLR, NO SEH
add_project_link_arguments('-Wl,--nxcompat', '-Wl,--no-seh', '-Wl,--dynamicbase',
language: ['c', 'cpp'])
endif
# Check if we are building for Windows Store
if get_option('winstore_app')
have_win_store = true
windowsappcompat_lib = cc.find_library('windowsappcompat')
# TODO: enable when meson 0.63 is required
# add_project_dependencies(windowsappcompat_lib, language: ['c', 'cpp'])
else
have_win_desktop = true
endif
endif
add_project_arguments(cc.get_supported_arguments([
'-Wno-deprecated-copy', # Some Qt version are generating tons of warning that cannot be
# avoided so mute them
]), language: ['c', 'cpp', 'objc'])
add_project_arguments(cc.get_supported_arguments([
'-Wextra',
'-Wsign-compare',
'-Wundef',
'-Wpointer-arith',
'-Wvolatile-register-var',
'-Wformat',
'-Wformat-security',
'-Wduplicated-branches',
'-Wduplicated-cond',
]), language: ['c', 'cpp'])
add_project_arguments(cc.get_supported_arguments([
'-Wbad-function-cast',
'-Wwrite-strings',
'-Wmissing-prototypes',
'-Werror-implicit-function-declaration',
'-Winit-self',
'-Wlogical-op',
'-Wshadow=local',
'-Wmultistatement-macros',
'-pipe'
]), language: ['c'])
if get_option('extra_checks')
add_project_arguments(cc.get_supported_arguments([
'-Werror=missing-field-initializers',
'-Werror=format',
'-Werror=return-mismatch'
]), language: ['c', 'cpp'])
add_project_arguments(cc.get_supported_arguments([
'-Werror=incompatible-pointer-types',
'-Werror=restrict',
'-Werror=int-conversion',
'-Werror=implicit-int',
'-Werror=declaration-missing-parameter-type'
]), language: ['c'])
endif
if get_option('branch_protection') \
.require(host_machine.cpu_family() == 'aarch64', error_message: 'Branch protection is only available for AArch64') \
.require(cc.has_argument('-mbranch-protection=standard'), error_message: 'Compiler does not support `-mbranch-protection`') \
.allowed()
add_project_arguments('-mbranch-protection=standard', language: ['c', 'cpp'])
endif
if cc.get_id() not in ['clang-cl']
add_project_arguments(cc.get_supported_arguments([
'-Wall', # too verbose with clang-cl
]), language: ['c', 'cpp'])
endif
add_project_arguments(cc.first_supported_argument(['-Werror-implicit-function-declaration', '-we4013']), language: ['c'])
#
# Check if other libs are needed
#
rt_lib = []
possible_rt_libs = ['rt', 'pthread']
foreach l : possible_rt_libs
possible_rt_lib_lib = cc.find_library(l, required: false)
if possible_rt_lib_lib.found() and \
cc.has_function('clock_nanosleep', dependencies: possible_rt_lib_lib)
rt_lib = possible_rt_lib_lib
break
endif
endforeach
#
# Socket library checks
#
# Check for socket library
socket_libs = cc.find_library('socket', required: false)
# Check for function 'connect' (optionally link with socket lib if it exists)
if not cc.has_function('connect', prefix: vlc_conf_prefix + '#include <sys/socket.h>', dependencies: socket_libs)
if host_system == 'windows'
# If not found and on windows:
socket_libs = []
socket_libs += cc.find_library('iphlpapi', required: true)
socket_libs += cc.find_library('ws2_32', required: true)
endif
endif
# Define some strings for the function check since the required headers
# will differ based on the platform we're building for
if host_system == 'windows'
arpa_inet_h = '#include <ws2tcpip.h>\n#include <windows.h>'
net_if_h = '#include <windows.h>\n#include <iphlpapi.h>'
getpid_h = '#include <process.h>'
swab_h = '#include <stdlib.h>'
else
arpa_inet_h = '#include <arpa/inet.h>'
net_if_h = '#include <net.if.h>'
getpid_h = '#include <unistd.h>'
swab_h = '#include <unistd.h>'
endif
#
# Check for functions
# Entry format: [function, prefix]
# General functions
check_functions = [
['accept4', '#include <sys/socket.h>'],
['dup3', '#include <unistd.h>'],
['qsort_r', '#include <stdlib.h>'],
['fcntl', '#include <fcntl.h>'],
['flock', '#include <sys/file.h>'],
['fstatvfs', '#include <sys/statvfs.h>'],
['fstatat', '#include <sys/stat.h>'],
['fork', '#include <unistd.h>'],
['getmntent_r', '#include <mntent.h>'],
['getpwuid_r', '#include <pwd.h>'],
['isatty', '#include <unistd.h>'],
['isatty', '#include <io.h>'],
['memalign', '#include <malloc.h>'],
['mkostemp', '#include <unistd.h>'],
['mkostemp', '#include <stdlib.h>'],
['mmap', '#include <sys/mman.h>'],
['open_memstream', '#include <stdio.h>'],
['pipe2', '#include <unistd.h>'],
['posix_fadvise', '#include <fcntl.h>'],
['strcoll', '#include <string.h>'],
['wordexp', '#include <wordexp.h>'],
['uselocale', '#include <locale.h>'],
['uselocale', '#include <xlocale.h>'],
['newlocale', '#include <locale.h>'],
['newlocale', '#include <xlocale.h>'],
['setlocale', '#include <locale.h>'],
['getenv', '#include <stdlib.h>'],
['if_nametoindex', net_if_h],
['if_nameindex', net_if_h],
['backtrace', '#include <execinfo.h>'],
['_lock_file', '#include <stdio.h>'],
]
# Linux specific functions
if host_system == 'linux'
check_functions += [
['eventfd', '#include <sys/eventfd.h>'],
['vmsplice', '#include <fcntl.h>'],
['sched_getaffinity', '#include <sched.h>'],
['recvmmsg', '#include <sys/socket.h>'],
['memfd_create', '#include <sys/mman.h>'],
]
endif
# Windows specific functions
if host_system == 'windows'
check_functions += [
['_lock_file', '#include <windows.h>'],
]
endif
foreach f : check_functions
# DO NOT SIMPLIFY this if away by moving the the has_function
# into the cdata.set! There are some functions checked twice
# in different headers, if one is found with one header and
# then not found using the other header, it would overwrite
# the previous value!
if cc.has_function(f[0], prefix: vlc_conf_prefix + f[1], dependencies: [socket_libs])
cdata.set('HAVE_' + f[0].underscorify().to_upper(), 1)
endif
endforeach
# Libcompat functions (if missing, provided in compat)
# Entry format: [function, prefix]
libcompat_functions = [
['aligned_alloc', '#include <stdlib.h>'],
['atof', '#include <stdlib.h>'],
['atoll', '#include <stdlib.h>'],
['dirfd', '#include <dirent.h>'],
['fdopendir', '#include <dirent.h>'],
['flockfile', '#include <stdio.h>'],
['fsync', '#include <unistd.h>'],
['getdelim', '#include <stdio.h>'],
['getpid', getpid_h],
['lfind', '#include <search.h>'],
['lldiv', '#include <stdlib.h>'],
['memrchr', '#include <string.h>'],
['nrand48', '#include <stdlib.h>'],
['poll', '#include <poll.h>'],
['posix_memalign', '#include <stdlib.h>'],
['readv', '#include <sys/uio.h>'],
['recvmsg', '#include <sys/socket.h>'],
['rewind', '#include <stdio.h>'],
['sendmsg', '#include <sys/socket.h>'],
['setenv', '#include <stdlib.h>'],
['strcasecmp', '#include <strings.h>'],
['strcasestr', '#include <string.h>'],
['strdup', '#include <string.h>'],
['strlcpy', '#include <string.h>'],
['strndup', '#include <string.h>'],
['strnlen', '#include <string.h>'],
['strnstr', '#include <string.h>'],
['strsep', '#include <string.h>'],
['strtof', '#include <stdlib.h>'],
['strtok_r', '#include <string.h>'],
['strtoll', '#include <stdlib.h>'],
['swab', swab_h],
['tdestroy', '#include <search.h>'],
['tfind', '#include <search.h>'],
['timegm', '#include <time.h>'],
['timespec_get', '#include <time.h>'],
['gmtime_r', '#include <time.h>'],
['localtime_r', '#include <time.h>'],
['strverscmp', '#include <string.h>'],
['writev', '#include <sys/uio.h>'],
['asprintf', '#include <stdio.h>'],
['vasprintf', '#include <stdio.h>'],
['gettimeofday', '#include <sys/time.h>'],
['clock_gettime', '#include <time.h>'],
['clock_nanosleep', '#include <time.h>'],
['clock_getres', '#include <time.h>'],
['inet_pton', arpa_inet_h],
['inet_ntop', arpa_inet_h],
]
# Linux specific functions
if host_system == 'linux'
libcompat_functions += [
['getauxval', '#include <sys/auxv.h>'],
]
endif
libcompat_sources = []
if have_win_store
libcompat_sources += 'gai_strerror.c'
endif
# Check all functions in libcompat_functions array
foreach f : libcompat_functions
if cc.has_function(f[0], prefix: vlc_conf_prefix + f[1], dependencies: [rt_lib, socket_libs])
cdata.set('HAVE_' + f[0].underscorify().to_upper(), 1)
else
libcompat_sources += f[0] + '.c'
endif
endforeach
# These functions need to be checked with has_header_symbol as
libcompat_functions = [
['realpath', 'stdlib.h'],
]
foreach f : libcompat_functions
if cc.has_header_symbol(f[1], f[0], prefix: vlc_conf_prefix)
cdata.set('HAVE_' + f[0].underscorify().to_upper(), 1)
else
libcompat_sources += f[0] + '.c'
endif
endforeach
# Check for function 'nanf' (optionally link with libm if it exists)
if cc.has_function('nanf', prefix: vlc_conf_prefix + '#include <math.h>', dependencies: m_lib)
cdata.set('HAVE_NANF', 1)
endif
# Check for function 'sincos' (optionally link with libm if it exists)
if cc.has_function('sincos', prefix: vlc_conf_prefix + '#include <math.h>', dependencies: m_lib)
cdata.set('HAVE_SINCOS', 1)
else
libcompat_sources += 'sincos.c'
endif
# Check for function 'fdatasync' (define it to 'fsync' if missing)
if not cc.has_function('fdatasync', prefix: vlc_conf_prefix + '#include <unistd.h>')
cdata.set('fdatasync', 'fsync')
endif
#
# Additional checks
#
# Check which kind of restrict keyword is supported
# Program based on autoconf c.m4
#
# Copyright (C) 2001-2012 Free Software Foundation, Inc.
#
# Written by David MacKenzie, with help from
# Akim Demaille, Paul Eggert,
# Franc,ois Pinard, Karl Berry, Richard Pixley, Ian Lance Taylor,
# Roland McGrath, Noah Friedman, david d zuhn, and many others.
restrict_test = '''
#define restrict_kw @0@
typedef int * int_ptr;
int foo (int_ptr restrict_kw ip) { return ip[0]; }
int main() {
int s[1];
int * restrict_kw t = s;
t[0] = 0;
return foo(t);
}
'''
# Order is the same as in AC_C_RESTRICT
# Check for __restrict support
if cc.compiles(restrict_test.format('__restrict'), name: 'Test __restrict support')
cdata.set('restrict', '__restrict')
# Check for __restrict__ support
elif cc.compiles(restrict_test.format('__restrict__'), name: 'Test __restrict__ support')
cdata.set('restrict', '__restrict__')
# Check for _Restrict support
elif cc.compiles(restrict_test.format('_Restrict'), name: 'Test _Restrict support')
cdata.set('restrict', '_Restrict')
# Check for restrict support
elif not cc.compiles(restrict_test.format('restrict'), name: 'Test restrict support')
cdata.set('restrict', '')
endif
# Check for C++ typeof support
if cpp.compiles('int a; typeof(a) foo[1];', name: 'Test C++ typeof support')
cdata.set('HAVE_CXX_TYPEOF', 1)
endif
# Check for __attribute__((packed)) support
if cc.compiles('struct __attribute__((packed)) foo { int bar; };',
name: '__attribute__((packed))')
cdata.set('HAVE_ATTRIBUTE_PACKED', 1)
endif
# Check for C11 _Thread_local storage qualifier support
if cc.compiles('_Thread_local int foo = 0;', name: 'Test _Thread_local support')
cdata.set('HAVE_THREAD_LOCAL', 1)
endif
# Check for wrong (non-POSIX) qsort_r prototype
qsort_r_test = '''
#define _GNU_SOURCE
#include <stdlib.h>
_Static_assert(_Generic((qsort_r),
void (*)(void *, size_t, size_t, void *,
int (*)(void *, const void *, const void *)) : 1, default: 0),
"Bad prototype not matched");
'''
if cc.compiles(qsort_r_test, name: 'Test qsort_r non-POSIX prototype')
cdata.set('HAVE_BROKEN_QSORT_R', 1)
endif
# Check for max_align_t type
if cc.has_type('max_align_t', prefix: '#include <stddef.h>')
cdata.set('HAVE_MAX_ALIGN_T', 1)
endif
# Check for struct timespec
if cc.has_type('struct timespec', prefix: '#include <time.h>')
cdata.set('HAVE_STRUCT_TIMESPEC', 1)
endif
# Add -fvisibility=hidden if compiler supports those
add_project_arguments(
cc.get_supported_arguments('-fvisibility=hidden'),
language: ['c'])
# Stack smashing protection (default enabled for optimized builds)
if (get_option('ssp')
.disable_auto_if(get_option('optimization') == '0')
.allowed())
add_project_arguments(
cc.get_supported_arguments('-fstack-protector-strong'),
language: ['c', 'cpp'])
if host_system == 'windows'
# Win32 requires linking to ssp for stack-protection
ssp_test = '''
#include <stdio.h>
int main(void) {
char buf[100];
fgets(buf, sizeof(buf), stdin);
return 0;
}
'''
# Check if linker supports -lssp
if cc.links(ssp_test, args: ['-fstack-protector-strong', '-lssp'],
name: 'linker supports stack protectors')
add_project_link_arguments('-lssp', language: ['c', 'cpp'])
endif
endif
endif
# Check if linker supports -Bsymbolic
symbolic_linkargs = []
if cc.has_link_argument('-Wl,-Bsymbolic')
symbolic_linkargs += '-Wl,-Bsymbolic'
endif
# Check for struct sockaddr_storage type
# Define it to `sockaddr` if missing
have_sockaddr_storage = cc.has_type('struct sockaddr_storage', prefix: '#include <sys/socket.h>')
if not have_sockaddr_storage
have_sockaddr_storage = cc.has_type('struct sockaddr_storage', prefix: '#include <winsock2.h>')
endif
if not have_sockaddr_storage
cdata.set('sockaddr_storage', 'sockaddr')
endif
# Check for struct ss_family type
# Define it to `sa_family` if missing
if not cc.has_type('struct ss_family', prefix: '#include <sys/socket.h>')
cdata.set('ss_family', 'sa_family')
endif
# Check for ssize_t type
# Define it to `ptrdiff_t` if missing
if not cc.has_type('ssize_t', prefix: '#include <sys/types.h>')
cdata.set('ssize_t', 'ptrdiff_t')
cdata.set('SSIZE_MAX', 'PTRDIFF_MAX')
endif
# Check for struct pollfd type
# TODO: Refactor once updating to meson 1.0.0
# which supports prefix arrays.
pollfd_prefix = '#include <sys/types.h>\n'
if cdata.get('HAVE_POLL', 0) == 1
pollfd_prefix += '#include <poll.h>'
elif host_system == 'windows'
pollfd_prefix += '#include <winsock2.h>'
endif
if cc.has_type('struct pollfd', prefix: '\n'.join([vlc_conf_prefix, pollfd_prefix]))
cdata.set('HAVE_STRUCT_POLLFD', 1)
endif
# Check for if_nameindex function and struct
if cc.has_function('if_nameindex', prefix: '#include <net/if.h>')
cdata.set('HAVE_IF_NAMEINDEX', 1)
endif
if cc.has_type('struct if_nameindex', prefix: '#include <net/if.h>')
cdata.set('HAVE_STRUCT_IF_NAMEINDEX', 1)
endif
# Check for locale_t type in C++ locale header
if cpp.has_type('locale_t', prefix: '#include <locale>')
cdata.set('HAVE_CXX_LOCALE_T', 1)
endif
# Check if build machine is big endian
if build_machine.endian() == 'big'
cdata.set('WORDS_BIGENDIAN', 1)
endif
# Define the shared library extension
if host_system == 'windows'
cdata.set_quoted('LIBEXT', '.dll')
elif host_system == 'darwin'
cdata.set_quoted('LIBEXT', '.dylib')
else
cdata.set_quoted('LIBEXT', '.so')
endif
#
# Populate config.h with additional infos
#
cdata.set_quoted('VERSION', vlc_version)
cdata.set_quoted('PACKAGE_VERSION', vlc_version)
cdata.set_quoted('VERSION_MESSAGE', f'@vlc_version@ @vlc_version_codename@')
cdata.set('VERSION_MAJOR', vlc_version_major)
cdata.set('VERSION_MINOR', vlc_version_minor)
cdata.set('VERSION_REVISION', vlc_version_revision)
cdata.set('VERSION_EXTRA', vlc_version_extra)
cdata.set('PACKAGE_VERSION_MAJOR', vlc_version_major)
cdata.set('PACKAGE_VERSION_MINOR', vlc_version_minor)
cdata.set('PACKAGE_VERSION_REVISION', vlc_version_revision)
cdata.set('PACKAGE_VERSION_EXTRA', vlc_version_extra)
cdata.set('PACKAGE_VERSION_DEV', vlc_version_type)
cdata.set('LIBVLC_ABI_MAJOR', libvlc_abi_version_major)
cdata.set('LIBVLC_ABI_MINOR', libvlc_abi_version_minor)
cdata.set('LIBVLC_ABI_MICRO', libvlc_abi_version_micro)
cdata.set_quoted('PACKAGE', vlc_package_name)
cdata.set_quoted('PACKAGE_NAME', vlc_package_name)
cdata.set_quoted('PACKAGE_STRING', f'@vlc_package_name@ @vlc_version@')
cdata.set_quoted('COPYRIGHT_YEARS', vlc_copyright_years)
cdata.set_quoted('COPYRIGHT_MESSAGE', f'Copyright © @vlc_copyright_years@ the VideoLAN team')
# Compiler and build system info
cdata.set_quoted('VLC_COMPILER', cc.get_id() + ' ' + cc.version())
cdata.set_quoted('VLC_COMPILE_BY', '[not implemented with meson]') # TODO
cdata.set_quoted('VLC_COMPILE_HOST', '[not implemented with meson]') # TODO
cdata.set_quoted('CONFIGURE_LINE', '[not implemented with meson]') # TODO
# Paths
prefix_path = get_option('prefix')
vlc_pkg_suffix = meson.project_name().to_lower()
libdir_path = prefix_path / get_option('libdir')
pkglibdir_path = libdir_path / vlc_pkg_suffix
libexecdir_path = prefix_path / get_option('libexecdir')
pkglibexecdir_path = libexecdir_path / vlc_pkg_suffix
sysdatadir_path = prefix_path / get_option('datadir')
pkgdatadir_path = sysdatadir_path / vlc_pkg_suffix
localedir_path = prefix_path / get_option('localedir')
cdata.set_quoted('LIBDIR', libdir_path)
cdata.set_quoted('PKGLIBDIR', pkglibdir_path)
cdata.set_quoted('LIBEXECDIR', libexecdir_path)
cdata.set_quoted('PKGLIBEXECDIR', pkglibexecdir_path)
cdata.set_quoted('SYSDATADIR', sysdatadir_path)
cdata.set_quoted('PKGDATADIR', pkgdatadir_path)
cdata.set_quoted('LOCALEDIR', localedir_path)
# Enable stream outputs
cdata.set('ENABLE_SOUT', get_option('stream_outputs'))
# Enable VLM
if get_option('videolan_manager')
if not get_option('stream_outputs')
error('The VideoLAN manager requires stream outputs.')
endif
cdata.set('ENABLE_VLM', 1)
endif