meson.build 16.8 KB
Newer Older
1
project('gstreamer', 'c',
Tim-Philipp Müller's avatar
Tim-Philipp Müller committed
2
  version : '1.15.0.1',
3
  meson_version : '>= 0.47',
4
5
6
7
8
  default_options : [ 'warning_level=1',
                      'buildtype=debugoptimized' ])

gst_version = meson.project_version()
version_arr = gst_version.split('.')
9
10
11
gst_version_major = version_arr[0].to_int()
gst_version_minor = version_arr[1].to_int()
gst_version_micro = version_arr[2].to_int()
12
if version_arr.length() == 4
13
  gst_version_nano = version_arr[3].to_int()
14
15
16
else
  gst_version_nano = 0
endif
17
gst_version_is_dev = gst_version_minor % 2 == 1 and gst_version_micro < 90
18

19
20
host_system = host_machine.system()

21
22
23
24
apiversion = '1.0'
soversion = 0
# maintaining compatibility with the previous libtool versioning
# current = minor * 100 + micro
25
26
27
curversion = gst_version_minor * 100 + gst_version_micro
libversion = '@0@.@1@.0'.format(soversion, curversion)
osxversion = curversion + 1
28
29
30
31

prefix = get_option('prefix')

libexecdir = get_option('libexecdir')
32
helpers_install_dir = join_paths(libexecdir, 'gstreamer-1.0')
33
34
35

cc = meson.get_compiler('c')

36
37
cdata = configuration_data()

38
39
40
41
# Ignore several spurious warnings for things gstreamer does very commonly
# 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
42
43
44
45
46
47
if cc.get_id() == 'msvc'
  add_project_arguments(
      '/wd4018', # implicit signed/unsigned conversion
      '/wd4146', # unary minus on unsigned (beware INT_MIN)
      '/wd4244', # lossy type conversion (e.g. double -> int)
      '/wd4305', # truncating type conversion (e.g. double -> float)
48
      cc.get_supported_arguments(['/utf-8']), # set the input encoding to utf-8
49
      language : 'c')
50
elif cc.has_link_argument('-Wl,-Bsymbolic-functions')
51
52
  # FIXME: Add an option for this if people ask for it
  add_project_link_arguments('-Wl,-Bsymbolic-functions', language : 'c')
53
54
endif

55
# Symbol visibility
56
57
58
59
have_visibility_hidden = false
if cc.get_id() == 'msvc'
  export_define = '__declspec(dllexport) extern'
elif cc.has_argument('-fvisibility=hidden')
60
  add_project_arguments('-fvisibility=hidden', language: 'c')
61
62
63
64
  export_define = 'extern __attribute__ ((visibility ("default")))'
  have_visibility_hidden = true
else
  export_define = 'extern'
65
66
endif

67
68
69
# Passing this through the command line would be too messy
cdata.set('GST_API_EXPORT', export_define)

70
71
72
73
74
# Disable strict aliasing
if cc.has_argument('-fno-strict-aliasing')
  add_project_arguments('-fno-strict-aliasing', language: 'c')
endif

75
# Define G_DISABLE_DEPRECATED for development versions
76
77
if gst_version_is_dev
  message('Disabling deprecated GLib API')
78
79
80
  add_project_arguments('-DG_DISABLE_DEPRECATED', language: 'c')
endif

81
82
83
84
85
86
87
88
89
90
91
92
cast_checks = get_option('gobject-cast-checks')
if cast_checks.disabled() or (cast_checks.auto() and not gst_version_is_dev)
  message('Disabling GLib cast checks')
  add_project_arguments('-DG_DISABLE_CAST_CHECKS', language: 'c')
endif

glib_asserts = get_option('glib-asserts')
if glib_asserts.disabled() or (glib_asserts.auto() and not gst_version_is_dev)
  message('Disabling GLib asserts')
  add_project_arguments('-DG_DISABLE_ASSERT', language: 'c')
endif

93
94
95
96
97
98
glib_checks = get_option('glib-checks')
if glib_checks.disabled() or (glib_checks.auto() and not gst_version_is_dev)
  message('Disabling GLib checks')
  add_project_arguments('-DG_DISABLE_CHECKS', language: 'c')
endif

99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
cdata.set_quoted('GST_API_VERSION', apiversion)
cdata.set_quoted('GST_DATADIR', join_paths(prefix, get_option('datadir')))
cdata.set_quoted('LOCALEDIR', join_paths(prefix, get_option('localedir')))
cdata.set_quoted('LIBDIR', join_paths(prefix, get_option('libdir')))
cdata.set_quoted('GST_API_VERSION', '1.0')
cdata.set_quoted('GETTEXT_PACKAGE', 'gstreamer-1.0')
cdata.set_quoted('GST_LICENSE', 'LGPL')
cdata.set_quoted('PACKAGE', 'gstreamer')
cdata.set_quoted('PACKAGE_NAME', 'GStreamer')
cdata.set_quoted('PACKAGE_STRING', 'GStreamer @0@'.format(gst_version))
cdata.set_quoted('PACKAGE_TARNAME', 'gstreamer')
cdata.set_quoted('PACKAGE_BUGREPORT', 'http://bugzilla.gnome.org/enter_bug.cgi?product=GStreamer')
cdata.set_quoted('PACKAGE_URL', '')
cdata.set_quoted('PACKAGE_VERSION', gst_version)
cdata.set_quoted('PLUGINDIR', join_paths(get_option('prefix'), get_option('libdir'), 'gstreamer-1.0'))
cdata.set_quoted('VERSION', gst_version)
cdata.set_quoted('GST_PLUGIN_SCANNER_INSTALLED', join_paths(prefix, helpers_install_dir, 'gst-plugin-scanner'))
cdata.set_quoted('GST_PTP_HELPER_INSTALLED', join_paths(prefix, helpers_install_dir, 'gst-ptp-helper'))
117
118
cdata.set_quoted('GST_PLUGIN_SCANNER_SUBDIR', libexecdir,
  description: 'libexecdir path component, used to find plugin-scanner on relocatable builds on windows')
119
cdata.set('GST_DISABLE_OPTION_PARSING', not get_option('option-parsing'))
120

121
122
123
124
125
126
127
128
129
mem_align_opt = get_option('memory-alignment')
if mem_align_opt == 'malloc'
  cdata.set('MEMORY_ALIGNMENT_MALLOC', 1)
elif mem_align_opt == 'pagesize'
  cdata.set('MEMORY_ALIGNMENT_PAGESIZE', 1)
else
  cdata.set('MEMORY_ALIGNMENT', mem_align_opt.to_int())
endif

130
if ['darwin', 'ios'].contains(host_system)
131
132
133
  cdata.set_quoted('GST_EXTRA_MODULE_SUFFIX', '.dylib')
endif

134
135
136
137
138
139
140
if gst_version_nano > 0
    # Have GST_ERROR message printed when running from git
    cdata.set('GST_LEVEL_DEFAULT', 'GST_LEVEL_ERROR')
else
    cdata.set('GST_LEVEL_DEFAULT', 'GST_LEVEL_NONE')
endif

141
# GStreamer package name and origin url
142
gst_package_name = get_option('package-name')
143
144
if gst_package_name == ''
  if gst_version_nano == 0
145
    gst_package_name = 'GStreamer source release'
146
  elif gst_version_nano == 1
147
    gst_package_name = 'GStreamer git'
148
  else
149
    gst_package_name = 'GStreamer prerelease'
150
151
  endif
endif
152
cdata.set_quoted('GST_PACKAGE_NAME', gst_package_name)
153
cdata.set_quoted('GST_PACKAGE_ORIGIN', get_option('package-origin'))
154

155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
# These are only needed/used by the ABI tests
host_defines = [
  [ 'x86', 'HAVE_CPU_I386' ],
  [ 'x86_64', 'HAVE_CPU_X86_64' ],
  [ 'arm', 'HAVE_CPU_ARM' ],
  [ 'aarch64', 'HAVE_CPU_AARCH64' ],
  [ 'mips', 'HAVE_CPU_MIPS' ],
  [ 'powerpc', 'HAVE_CPU_PPC' ],
  [ 'powerpc64', 'HAVE_CPU_PPC64' ],
  [ 'alpha', 'HAVE_CPU_ALPHA' ],
  [ 'sparc', 'HAVE_CPU_SPARC' ],
  [ 'ia64', 'HAVE_CPU_IA64' ],
  [ 'hppa', 'HAVE_CPU_HPPA' ],
  [ 'm68k', 'HAVE_CPU_M68K' ],
  [ 's390', 'HAVE_CPU_S390' ],
]
foreach h : host_defines
  if h.get(0) == host_machine.cpu()
    cdata.set(h.get(1), 1)
  endif
endforeach
# FIXME: should really be called HOST_CPU or such
177
cdata.set_quoted('TARGET_CPU', host_machine.cpu())
178

179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
check_headers = [
  'dlfcn.h',
  'inttypes.h',
  'memory.h',
  'poll.h',
  'stdint.h',
  'stdio_ext.h',
  'strings.h',
  'string.h',
  'sys/param.h',
  'sys/poll.h',
  'sys/prctl.h',
  'sys/socket.h',
  'sys/stat.h',
  'sys/times.h',
  'sys/time.h',
  'sys/types.h',
  'sys/utsname.h',
  'sys/wait.h',
  'ucontext.h',
  'unistd.h',
  'valgrind/valgrind.h',
  'sys/resource.h',
202
203
]

204
if host_system == 'windows'
205
  check_headers += ['winsock2.h']
206
207
208
endif

foreach h : check_headers
209
210
211
  if cc.has_header(h)
    define = 'HAVE_' + h.underscorify().to_upper()
    cdata.set(define, 1)
212
213
214
  endif
endforeach

215
if cc.has_member('struct tm', 'tm_gmtoff', prefix : '#include <time.h>')
216
217
218
  cdata.set('HAVE_TM_GMTOFF', 1)
endif

219
220
221
222
223
224
225
check_functions = [
  'gmtime_r',
  'sigaction',
  'getrusage',
  'fseeko',
  'ftello',
  'poll',
226
  'ppoll',
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
  'pselect',
  'getpagesize',
  'clock_gettime',
  # These are needed by libcheck
  'getline',
  'mkstemp',
  'alarm',
  'gettimeofday',
]

foreach f : check_functions
  if cc.has_function(f)
    define = 'HAVE_' + f.underscorify().to_upper()
    cdata.set(define, 1)
  endif
endforeach

244
245
if cc.has_function('localtime_r', prefix : '#include<time.h>')
  cdata.set('HAVE_LOCALTIME_R', 1)
246
247
  # Needed by libcheck
  cdata.set('HAVE_DECL_LOCALTIME_R', 1)
248
249
endif

250
if cc.links('''#include <pthread.h>
Tim-Philipp Müller's avatar
Tim-Philipp Müller committed
251
252
253
254
               int main() {
                 pthread_setname_np("example"); return 0;
               }''', name : 'pthread_setname_np(const char*)')
  cdata.set('HAVE_PTHREAD_SETNAME_NP_WITHOUT_TID', 1)
255
256
257
258
259
260
261
262
263
264
265
266
267
endif

# Check for posix timers and the monotonic clock
time_prefix = '#include <time.h>\n'
if cdata.has('HAVE_UNISTD_H')
  time_prefix += '#include <unistd.h>'
endif

posix_timers_src = time_prefix + '''
#if !defined(_POSIX_TIMERS) || _POSIX_TIMERS < 0 || !defined(CLOCK_REALTIME)
#error Either _POSIX_TIMERS or CLOCK_REALTIME not defined
#endif
'''
268
if cc.compiles(posix_timers_src, name : 'posix timers from time.h')
269
270
271
272
273
274
275
276
  cdata.set('HAVE_POSIX_TIMERS', 1)
endif

monotonic_clock_src = time_prefix + '''
#if !defined(_POSIX_MONOTONIC_CLOCK) || _POSIX_MONOTONIC_CLOCK < 0 || !defined(CLOCK_MONOTONIC)
#error Either _POSIX_MONOTONIC_CLOCK or CLOCK_MONOTONIC not defined
#endif
'''
277
if cc.compiles(monotonic_clock_src, name : 'monotonic clock from time.h')
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
  cdata.set('HAVE_MONOTONIC_CLOCK', 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')
  cdata.set('HAVE_UINT128_T', 1)
endif

# All supported platforms have long long now
cdata.set('HAVE_LONG_LONG', 1)

295
296
297
298
299
300
301
302
# We only want to use the __declspec(dllexport/import) dance in GST_EXPORT when
# building with MSVC
if cc.get_id() == 'msvc'
  cdata.set('GSTCONFIG_BUILT_WITH_MSVC', 1)
else
  cdata.set('GSTCONFIG_BUILT_WITH_MSVC', 0)
endif

303
# -------------------------------------------------------------------------------------
304
# config.h things needed by libcheck
305
# -------------------------------------------------------------------------------------
306
if cc.has_function('getpid')
307
  cdata.set('HAVE_GETPID', 1)
308
309
310
elif host_system == 'windows' and cc.has_function('_getpid')
  cdata.set('HAVE_PROCESS_H', 1) # Used by gstreamer too
  cdata.set('HAVE__GETPID', 1)
311
endif
312
if cc.has_function('strdup')
313
  cdata.set('HAVE_DECL_STRDUP', 1)
314
elif host_system == 'windows' and cc.has_function('_strdup')
315
316
  cdata.set('HAVE__STRDUP', 1) # Windows (MSVC)
endif
317
if host_system != 'windows'
318
319
320
321
322
  cdata.set('HAVE_FORK', 1)
else
  # libcheck requires HAVE_FORK to be 0 when fork() is not available
  cdata.set('HAVE_FORK', 0)
endif
323
if cc.has_function('strsignal')
324
325
  cdata.set('HAVE_DECL_STRSIGNAL', 1)
endif
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
# Check for availability of types
if not cc.has_type('clockid_t', prefix : '#include <time.h>')
  cdata.set('clockid_t', 'int')
endif
if not cc.has_type('timer_t', prefix : '#include <time.h>')
  cdata.set('timer_t', 'int')
endif
if not cc.has_members('struct timespec', 'tv_sec', 'tv_nsec',
		      prefix : '#include <time.h>')
  cdata.set('STRUCT_TIMESPEC_DEFINITION_MISSING', 1)
endif
if not cc.has_members('struct itimerspec', 'it_interval', 'it_value',
		      prefix : '#include <time.h>')
  cdata.set('STRUCT_ITIMERSPEC_DEFINITION_MISSING', 1)
endif
341

342
343
# Platform deps; only ws2_32 and execinfo for now
platform_deps = []
344
if host_system == 'windows'
345
346
347
  platform_deps = [cc.find_library('ws2_32')]
endif

348
backtrace_deps = []
349
unwind_dep = dependency('libunwind', required : get_option('libunwind'))
Nicolas Dufresne's avatar
Nicolas Dufresne committed
350
dw_dep = dependency('libdw', required: get_option('libdw'))
351
352
353
354
355
backtrace_deps = [unwind_dep, dw_dep]
if unwind_dep.found()
  cdata.set('HAVE_UNWIND', 1)
  if dw_dep.found()
    cdata.set('HAVE_DW', 1)
356
  else
357
358
359
360
361
362
363
    message('Support for backtraces is partial only.')
  endif
else
  if cc.has_function('backtrace')
    cdata.set('HAVE_BACKTRACE', 1)
  else
      message('NO backtraces support.')
364
365
366
  endif
endif

367
368
369
370
371
372
373
374
375
376
if cc.has_header('execinfo.h')
  if cc.has_function('backtrace', prefix : '#include <execinfo.h>')
    cdata.set('HAVE_BACKTRACE', 1)
  else
    execinfo_dep = cc.find_library('execinfo', required : false)
    if execinfo_dep.found() and cc.has_function('backtrace', prefix : '#include <execinfo.h>', dependencies : execinfo_dep)
      cdata.set('HAVE_BACKTRACE', 1)
      platform_deps += execinfo_dep
    endif
  endif
377
378
endif

379
380
gst_debug = get_option('gst_debug')
if not gst_debug
381
382
383
  add_project_arguments(['-Wno-unused'], language: 'c')
endif

384
385
386
387
388
389
warning_flags = [
  '-Wmissing-declarations',
  '-Wmissing-prototypes',
  '-Wredundant-decls',
  '-Wundef',
  '-Wwrite-strings',
390
  '-Wformat',
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
  '-Wformat-nonliteral',
  '-Wformat-security',
  '-Wold-style-definition',
  '-Winit-self',
  '-Wmissing-include-dirs',
  '-Waddress',
  '-Waggregate-return',
  '-Wno-multichar',
  '-Wnested-externs',
  '-Wdeclaration-after-statement',
  '-Wvla',
  '-Wpointer-arith',
]

foreach extra_arg : warning_flags
  if cc.has_argument (extra_arg)
    add_project_arguments([extra_arg], language: 'c')
  endif
endforeach

411
412
413
414
415
416
417
418
419
420
421
# Used by the gstutils test
gmp_dep = cc.find_library('gmp', required : false)
cdata.set('HAVE_GMP', gmp_dep.found())
gsl_dep = cc.find_library('gsl', required : false)
gslcblas_dep = cc.find_library('gslcblas', required : false)
cdata.set('HAVE_GSL', gsl_dep.found() and gslcblas_dep.found())
test_deps = [gmp_dep, gsl_dep, gslcblas_dep]

# Used by gstinfo.c
dl_dep = cc.find_library('dl', required : false)
cdata.set('HAVE_DLADDR', cc.has_function('dladdr', dependencies : dl_dep))
422
cdata.set('GST_ENABLE_EXTRA_CHECKS', get_option('extra-checks'))
423
cdata.set('USE_POISONING', get_option('poisoning'))
424
425
426
427
428
429

configinc = include_directories('.')
libsinc = include_directories('libs')
privinc = include_directories('gst')

# Find dependencies
430
431
432
433
434
435
glib_dep = dependency('glib-2.0', version : '>=2.32.0',
  fallback: ['glib', 'libglib_dep'])
gobject_dep = dependency('gobject-2.0',
  fallback: ['glib', 'libgobject_dep'])
gmodule_dep = dependency('gmodule-2.0',
  fallback: ['glib', 'libgmodule_dep'])
436
if host_system == 'windows'
437
438
    gio_dep = dependency('gio-2.0',
        fallback: ['glib', 'libgio_dep'])
439
else
440
441
442
443
    gio_dep = [dependency('gio-2.0',
                  fallback: ['glib', 'libgio_dep']),
               dependency('gio-unix-2.0',
                  fallback: ['glib', 'libgio_dep'])]
444
endif
Thibault Saunier's avatar
Thibault Saunier committed
445

446
mathlib = cc.find_library('m', required : false)
447
448
449
# Needed for timer_create/settime/delete
# Also provides clock_gettime in glibc < 2.17
rt_lib = cc.find_library('rt', required : false)
450

451
gir = find_program('g-ir-scanner', required : get_option('introspection'))
452
453
gnome = import('gnome')

454
build_gir = gir.found() and not meson.is_cross_build()
455

456
gir_init_section = [ '--add-init-section=extern void gst_init(gint*,gchar**);' + \
457
    'g_setenv("GST_REGISTRY_DISABLE", "yes", TRUE);' + \
458
459
460
461
    'g_setenv("GST_REGISTRY_1.0", "/no/way/this/exists.reg", TRUE);' + \
    'g_setenv("GST_PLUGIN_PATH_1_0", "", TRUE);' + \
    'g_setenv("GST_PLUGIN_SYSTEM_PATH_1_0", "", TRUE);' + \
    'gst_init(NULL,NULL);' ]
462
463

gst_c_args = ['-DHAVE_CONFIG_H']
464
465

# FIXME: This is only needed on windows and probably breaks when
466
467
468
# default_library = 'both'. We should add this flag to static_c_args instead
# when Meson supports it: https://github.com/mesonbuild/meson/issues/3304
if get_option('default_library') == 'static'
469
470
471
  gst_c_args += ['-DGST_STATIC_COMPILATION']
endif

472
# Used in gst/parse/meson.build and below
473
python3 = import('python').find_installation()
474

475
476
bashcomp_option = get_option('bash-completion')
bashcomp_dep = dependency('bash-completion', version : '>= 2.0', required : bashcomp_option)
477
478
479
bash_completions_dir = ''
bash_helpers_dir = ''

480
481
482
bashcomp_found = false
if bashcomp_dep.found()
  bashcomp_found = true
483
  bash_completions_dir = bashcomp_dep.get_pkgconfig_variable('completionsdir', define_variable: ['prefix', '.'])
484
  if bash_completions_dir == ''
485
486
487
488
489
490
    msg = 'Found bash-completion but the .pc file did not set \'completionsdir\'.'
    if bashcomp_option.enabled()
      error(msg)
    else
      message(msg)
    endif
491
492
493
    bashcomp_found = false
  endif

494
  bash_helpers_dir = bashcomp_dep.get_pkgconfig_variable('helpersdir', define_variable: ['prefix', '.'])
495
  if bash_helpers_dir == ''
496
497
498
499
500
501
    msg = 'Found bash-completion, but the .pc file did not set \'helpersdir\'.'
    if bashcomp_option.enabled()
      error(msg)
    else
      message(msg)
    endif
502
503
504
505
    bashcomp_found = false
  endif
endif

506
507
508
509
510
511
512
513
514
plugins_install_dir = join_paths(get_option('libdir'), 'gstreamer-1.0')

pkgconfig = import('pkgconfig')
plugins_pkgconfig_install_dir = join_paths(plugins_install_dir, 'pkgconfig')
if get_option('default_library') == 'shared'
  # If we don't build static plugins there is no need to generate pc files
  plugins_pkgconfig_install_dir = disabler()
endif

515
516
517
subdir('gst')
subdir('libs')
subdir('plugins')
518
519
520
if not get_option('tools').disabled()
  subdir('tools')
endif
521
522
subdir('pkgconfig')
subdir('tests')
523
subdir('data')
524

525
# xgettext is optional (on Windows for instance)
526
527
if find_program('xgettext', required : get_option('nls')).found()
  cdata.set('ENABLE_NLS', 1)
528
529
530
  subdir('po')
endif

531
configure_file(output : 'config.h', configuration : cdata)
532

533
534
535
if build_machine.system() == 'windows'
  message('Disabling gtk-doc while building on Windows')
else
536
  if find_program('gtkdoc-scan', required : get_option('gtk_doc')).found()
537
538
539
540
    subdir('docs')
  else
    message('Not building documentation as gtk-doc was not found')
  endif
541
endif
542

543
run_command(python3, '-c', 'import shutil; shutil.copy("hooks/pre-commit.hook", ".git/hooks/pre-commit")')
544
545

install_data('gst-element-check-1.0.m4', install_dir : join_paths(get_option('datadir'), 'aclocal'))