1 project('gstreamer', 'c',
3 meson_version : '>= 0.59',
4 default_options : [ 'warning_level=1',
5 'buildtype=debugoptimized' ])
7 gst_version = meson.project_version()
8 version_arr = gst_version.split('.')
9 gst_version_major = version_arr[0].to_int()
10 gst_version_minor = version_arr[1].to_int()
11 gst_version_micro = version_arr[2].to_int()
12 if version_arr.length() == 4
13 gst_version_nano = version_arr[3].to_int()
17 gst_version_is_dev = gst_version_minor % 2 == 1 and gst_version_micro < 90
19 host_system = host_machine.system()
23 # maintaining compatibility with the previous libtool versioning
24 # current = minor * 100 + micro
25 curversion = gst_version_minor * 100 + gst_version_micro
26 libversion = '@0@.@1@.0'.format(soversion, curversion)
27 osxversion = curversion + 1
29 prefix = get_option('prefix')
31 datadir = join_paths(prefix, get_option('datadir'))
32 libexecdir = get_option('libexecdir')
33 helpers_install_dir = join_paths(libexecdir, 'gstreamer-1.0')
35 cc = meson.get_compiler('c')
37 cdata = configuration_data()
39 if cc.get_id() == 'msvc'
41 # Ignore several spurious warnings for things gstreamer does very commonly
42 # If a warning is completely useless and spammy, use '/wdXXXX' to suppress it
43 # If a warning is harmless but hard to fix, use '/woXXXX' so it's shown once
44 # NOTE: Only add warnings here if you are sure they're spurious
45 '/wd4018', # implicit signed/unsigned conversion
46 '/wd4146', # unary minus on unsigned (beware INT_MIN)
47 '/wd4244', # lossy type conversion (e.g. double -> int)
48 '/wd4305', # truncating type conversion (e.g. double -> float)
49 cc.get_supported_arguments(['/utf-8']), # set the input encoding to utf-8
53 # Enable some warnings on MSVC to match GCC/Clang behaviour
54 msvc_args += cc.get_supported_arguments([
55 '/we4002', # too many actual parameters for macro 'identifier'
56 '/we4003', # not enough actual parameters for macro 'identifier'
57 '/we4013', # 'function' undefined; assuming extern returning int
58 '/we4020', # 'function' : too many actual parameters
59 '/we4027', # function declared without formal parameter list
60 '/we4029', # declared formal parameter list different from definition
61 '/we4033', # 'function' must return a value
62 '/we4045', # 'array' : array bounds overflow
63 '/we4047', # 'operator' : 'identifier1' differs in levels of indirection from 'identifier2'
64 '/we4053', # one void operand for '?:'
65 '/we4062', # enumerator 'identifier' in switch of enum 'enumeration' is not handled
66 '/we4098', # 'function' : void function returning a value
67 '/we4101', # 'identifier' : unreferenced local variable
68 '/we4189', # 'identifier' : local variable is initialized but not referenced
71 add_project_arguments(msvc_args, language: 'c')
72 elif cc.has_link_argument('-Wl,-Bsymbolic-functions')
73 # FIXME: Add an option for this if people ask for it
74 add_project_link_arguments('-Wl,-Bsymbolic-functions', language : 'c')
78 have_visibility_hidden = false
79 if cc.get_id() == 'msvc'
80 export_define = '__declspec(dllexport) extern'
81 elif cc.has_argument('-fvisibility=hidden')
82 add_project_arguments('-fvisibility=hidden', language: 'c')
83 export_define = 'extern __attribute__ ((visibility ("default")))'
84 have_visibility_hidden = true
86 export_define = 'extern'
89 # Passing this through the command line would be too messy
90 cdata.set('GST_API_EXPORT', export_define)
92 # Disable strict aliasing
93 if cc.has_argument('-fno-strict-aliasing')
94 add_project_arguments('-fno-strict-aliasing', language: 'c')
97 # Define G_DISABLE_DEPRECATED for development versions
99 message('Disabling deprecated GLib API')
100 add_project_arguments('-DG_DISABLE_DEPRECATED', language: 'c')
103 cast_checks = get_option('gobject-cast-checks')
104 if cast_checks.disabled() or (cast_checks.auto() and not gst_version_is_dev)
105 message('Disabling GLib cast checks')
106 add_project_arguments('-DG_DISABLE_CAST_CHECKS', language: 'c')
109 glib_asserts = get_option('glib-asserts')
110 if glib_asserts.disabled() or (glib_asserts.auto() and not gst_version_is_dev)
111 message('Disabling GLib asserts')
112 add_project_arguments('-DG_DISABLE_ASSERT', language: 'c')
115 glib_checks = get_option('glib-checks')
116 if glib_checks.disabled() or (glib_checks.auto() and not gst_version_is_dev)
117 message('Disabling GLib checks')
118 add_project_arguments('-DG_DISABLE_CHECKS', language: 'c')
121 cdata.set_quoted('GST_API_VERSION', apiversion)
122 cdata.set_quoted('GST_DATADIR', datadir)
123 cdata.set_quoted('LOCALEDIR', join_paths(prefix, get_option('localedir')))
124 cdata.set_quoted('LIBDIR', join_paths(prefix, get_option('libdir')))
125 cdata.set_quoted('GST_API_VERSION', '1.0')
126 cdata.set_quoted('GETTEXT_PACKAGE', 'gstreamer-1.0')
127 cdata.set_quoted('GST_LICENSE', 'LGPL')
128 cdata.set_quoted('PACKAGE', 'gstreamer')
129 cdata.set_quoted('PACKAGE_NAME', 'GStreamer')
130 cdata.set_quoted('PACKAGE_STRING', 'GStreamer @0@'.format(gst_version))
131 cdata.set_quoted('PACKAGE_TARNAME', 'gstreamer')
132 cdata.set_quoted('PACKAGE_BUGREPORT', 'https://gitlab.freedesktop.org/gstreamer/gstreamer/issues/new')
133 cdata.set_quoted('PACKAGE_URL', '')
134 cdata.set_quoted('PACKAGE_VERSION', gst_version)
135 cdata.set_quoted('PLUGINDIR', join_paths(get_option('prefix'), get_option('libdir'), 'gstreamer-1.0'))
136 cdata.set_quoted('VERSION', gst_version)
137 cdata.set_quoted('GST_PLUGIN_SCANNER_INSTALLED', join_paths(prefix, helpers_install_dir, 'gst-plugin-scanner'))
138 cdata.set_quoted('GST_PTP_HELPER_INSTALLED', join_paths(prefix, helpers_install_dir, 'gst-ptp-helper'))
139 cdata.set_quoted('GST_PLUGIN_SUBDIR', get_option('libdir'),
140 description: 'plugin directory path component, used to find plugins on relocatable builds')
141 cdata.set_quoted('GST_PLUGIN_SCANNER_SUBDIR', libexecdir,
142 description: 'libexecdir path component, used to find plugin-scanner on relocatable builds')
143 cdata.set('GST_DISABLE_OPTION_PARSING', not get_option('option-parsing'))
145 mem_align_opt = get_option('memory-alignment')
146 if mem_align_opt == 'malloc'
147 cdata.set('MEMORY_ALIGNMENT_MALLOC', 1)
148 elif mem_align_opt == 'pagesize'
149 cdata.set('MEMORY_ALIGNMENT_PAGESIZE', 1)
151 cdata.set('MEMORY_ALIGNMENT', mem_align_opt.to_int())
154 if ['darwin', 'ios'].contains(host_system)
155 cdata.set_quoted('GST_EXTRA_MODULE_SUFFIX', '.dylib')
158 if gst_version_nano > 0
159 # Have GST_ERROR message printed when running from git
160 cdata.set('GST_LEVEL_DEFAULT', 'GST_LEVEL_ERROR')
162 cdata.set('GST_LEVEL_DEFAULT', 'GST_LEVEL_NONE')
165 # GStreamer package name and origin url
166 gst_package_name = get_option('package-name')
167 if gst_package_name == ''
168 if gst_version_nano == 0
169 gst_package_name = 'GStreamer source release'
170 elif gst_version_nano == 1
171 gst_package_name = 'GStreamer git'
173 gst_package_name = 'GStreamer prerelease'
176 cdata.set_quoted('GST_PACKAGE_NAME', gst_package_name)
177 cdata.set_quoted('GST_PACKAGE_ORIGIN', get_option('package-origin'))
179 # These are only needed/used by the ABI tests
181 [ 'x86', 'HAVE_CPU_I386' ],
182 [ 'x86_64', 'HAVE_CPU_X86_64' ],
183 [ 'arm', 'HAVE_CPU_ARM' ],
184 [ 'aarch64', 'HAVE_CPU_AARCH64' ],
185 [ 'mips', 'HAVE_CPU_MIPS' ],
186 [ 'powerpc', 'HAVE_CPU_PPC' ],
187 [ 'powerpc64', 'HAVE_CPU_PPC64' ],
188 [ 'alpha', 'HAVE_CPU_ALPHA' ],
189 [ 'sparc', 'HAVE_CPU_SPARC' ],
190 [ 'ia64', 'HAVE_CPU_IA64' ],
191 [ 'hppa', 'HAVE_CPU_HPPA' ],
192 [ 'm68k', 'HAVE_CPU_M68K' ],
193 [ 's390', 'HAVE_CPU_S390' ],
195 foreach h : host_defines
196 if h.get(0) == host_machine.cpu_family()
197 cdata.set(h.get(1), 1)
200 # FIXME: should really be called HOST_CPU or such
201 cdata.set_quoted('TARGET_CPU', host_machine.cpu())
228 if host_system == 'windows'
229 check_headers += ['winsock2.h']
232 foreach h : check_headers
234 define = 'HAVE_' + h.underscorify().to_upper()
239 if cc.has_member('struct tm', 'tm_gmtoff', prefix : '#include <time.h>')
240 cdata.set('HAVE_TM_GMTOFF', 1)
256 # These are needed by libcheck
263 foreach f : check_functions
264 if cc.has_function(f)
265 define = 'HAVE_' + f.underscorify().to_upper()
270 if cc.has_function('localtime_r', prefix : '#include<time.h>')
271 cdata.set('HAVE_LOCALTIME_R', 1)
273 cdata.set('HAVE_DECL_LOCALTIME_R', 1)
276 if cc.links('''#include <pthread.h>
278 pthread_setname_np("example"); return 0;
279 }''', name : 'pthread_setname_np(const char*)')
280 cdata.set('HAVE_PTHREAD_SETNAME_NP_WITHOUT_TID', 1)
282 if cc.has_header_symbol('pthread.h', 'pthread_condattr_setclock')
283 cdata.set('HAVE_PTHREAD_CONDATTR_SETCLOCK', 1)
285 if cc.has_header_symbol('pthread.h', 'pthread_cond_timedwait_relative_np')
286 cdata.set('HAVE_PTHREAD_COND_TIMEDWAIT_RELATIVE_NP', 1)
290 if cc.links('''#include <linux/futex.h>
291 #include <sys/syscall.h>
293 int main (int argc, char ** argv) {
294 syscall (__NR_futex, NULL, FUTEX_WAKE, FUTEX_WAIT);
296 }''', name : 'futex(2) system call')
297 cdata.set('HAVE_FUTEX', 1)
300 # Check for posix timers and monotonic clock
301 time_prefix = '#include <time.h>\n'
302 if cdata.has('HAVE_UNISTD_H')
303 time_prefix += '#include <unistd.h>'
306 posix_timers_src = time_prefix + '''
307 #if !defined(_POSIX_TIMERS) || _POSIX_TIMERS < 0 || !defined(CLOCK_REALTIME)
308 #error Either _POSIX_TIMERS or CLOCK_REALTIME not defined
311 if cc.compiles(posix_timers_src, name : 'posix timers from time.h')
312 cdata.set('HAVE_POSIX_TIMERS', 1)
315 monotonic_clock_src = time_prefix + '''
316 #if !defined(_POSIX_MONOTONIC_CLOCK) || _POSIX_MONOTONIC_CLOCK < 0 || !defined(CLOCK_MONOTONIC)
317 #error Either _POSIX_MONOTONIC_CLOCK or CLOCK_MONOTONIC not defined
320 if cc.compiles(monotonic_clock_src, name : 'monotonic clock from time.h')
321 cdata.set('HAVE_MONOTONIC_CLOCK', 1)
324 # Check for __uint128_t (gcc) by checking for 128-bit division
325 uint128_t_src = '''int main() {
326 static __uint128_t v1 = 100;
327 static __uint128_t v2 = 10;
328 static __uint128_t u;
331 if cc.compiles(uint128_t_src, name : '__uint128_t available')
332 cdata.set('HAVE_UINT128_T', 1)
335 # All supported platforms have long long now
336 cdata.set('HAVE_LONG_LONG', 1)
338 # We only want to use the __declspec(dllexport/import) dance in GST_EXPORT when
340 if cc.get_id() == 'msvc'
341 cdata.set('GSTCONFIG_BUILT_WITH_MSVC', 1)
343 cdata.set('GSTCONFIG_BUILT_WITH_MSVC', 0)
346 # -------------------------------------------------------------------------------------
347 # config.h things needed by libcheck
348 # -------------------------------------------------------------------------------------
349 if cc.has_function('getpid')
350 cdata.set('HAVE_GETPID', 1)
351 elif host_system == 'windows' and cc.has_function('_getpid')
352 cdata.set('HAVE_PROCESS_H', 1) # Used by gstreamer too
353 cdata.set('HAVE__GETPID', 1)
355 if cc.has_function('strdup')
356 cdata.set('HAVE_DECL_STRDUP', 1)
357 elif host_system == 'windows' and cc.has_function('_strdup')
358 cdata.set('HAVE__STRDUP', 1) # Windows (MSVC)
360 if host_system != 'windows'
361 cdata.set('HAVE_FORK', 1)
363 # libcheck requires HAVE_FORK to be 0 when fork() is not available
364 cdata.set('HAVE_FORK', 0)
366 if cc.has_function('strsignal')
367 cdata.set('HAVE_DECL_STRSIGNAL', 1)
369 # Check for availability of types
370 if not cc.has_type('clockid_t', prefix : '#include <time.h>')
371 cdata.set('clockid_t', 'int')
373 if not cc.has_type('timer_t', prefix : '#include <time.h>')
374 cdata.set('timer_t', 'int')
376 if not cc.has_members('struct timespec', 'tv_sec', 'tv_nsec',
377 prefix : '#include <time.h>')
378 cdata.set('STRUCT_TIMESPEC_DEFINITION_MISSING', 1)
380 if not cc.has_members('struct itimerspec', 'it_interval', 'it_value',
381 prefix : '#include <time.h>')
382 cdata.set('STRUCT_ITIMERSPEC_DEFINITION_MISSING', 1)
385 # Platform deps; only ws2_32 and execinfo for now
387 if host_system == 'windows'
388 platform_deps = [cc.find_library('ws2_32')]
391 building_for_uwp = false
392 if host_system == 'windows'
393 # Check whether we're building for UWP apps
396 #if !(WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_APP) && !WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP))
397 #error "Not building for UWP"
399 if cc.compiles(code, name : 'building for UWP')
400 building_for_uwp = true
405 unwind_dep = dependency('libunwind', required : get_option('libunwind'))
406 dw_dep = dependency('libdw', required: get_option('libdw'))
407 dbghelp_option = get_option('dbghelp')
408 if dbghelp_option.enabled() and building_for_uwp
409 error('DbgHelp is not supported for UWP')
411 have_dbghelp = cc.has_header('dbghelp.h', required: dbghelp_option) and cc.has_header('tlhelp32.h', required: dbghelp_option)
412 backtrace_deps = [unwind_dep, dw_dep]
413 backtrace_source_info = false
414 backtrace_minimal = false
415 # MSVC debug stack trace support
416 if host_system == 'windows' and have_dbghelp and not building_for_uwp
417 cdata.set('HAVE_DBGHELP', 1)
418 backtrace_source_info = true
419 # DWARF stack trace support with libunwind and elf-utils
420 elif unwind_dep.found()
421 cdata.set('HAVE_UNWIND', 1)
423 cdata.set('HAVE_DW', 1)
424 backtrace_source_info = true
426 backtrace_minimal = true
427 # Basic backtrace() stack trace support
428 elif cc.has_function('backtrace')
429 cdata.set('HAVE_BACKTRACE', 1)
430 backtrace_minimal = true
432 # Print messages about what was enabled
433 if not backtrace_source_info
434 if not backtrace_minimal
435 message('NO support for stack traces.')
437 message('Minimal support for stack traces, no source info.')
441 if cc.has_header('execinfo.h')
442 if cc.has_function('backtrace', prefix : '#include <execinfo.h>')
443 cdata.set('HAVE_BACKTRACE', 1)
445 execinfo_dep = cc.find_library('execinfo', required : false)
446 if execinfo_dep.found() and cc.has_function('backtrace', prefix : '#include <execinfo.h>', dependencies : execinfo_dep)
447 cdata.set('HAVE_BACKTRACE', 1)
448 platform_deps += execinfo_dep
453 gst_debug = get_option('gst_debug')
455 add_project_arguments(['-Wno-unused'], language: 'c')
459 '-Wmissing-declarations',
460 '-Wmissing-prototypes',
465 '-Wformat-nonliteral',
467 '-Wold-style-definition',
469 '-Wmissing-include-dirs',
471 '-Waggregate-return',
473 '-Wdeclaration-after-statement',
478 foreach extra_arg : warning_flags
479 if cc.has_argument (extra_arg)
480 add_project_arguments([extra_arg], language: 'c')
484 # Used by the gstutils test
485 gmp_dep = cc.find_library('gmp', required : false)
486 cdata.set('HAVE_GMP', gmp_dep.found())
487 gsl_dep = cc.find_library('gsl', required : false)
488 gslcblas_dep = cc.find_library('gslcblas', required : false)
489 cdata.set('HAVE_GSL', gsl_dep.found() and gslcblas_dep.found())
490 test_deps = [gmp_dep, gsl_dep, gslcblas_dep]
493 dl_dep = cc.find_library('dl', required : false)
494 cdata.set('HAVE_DLADDR', cc.has_function('dladdr', dependencies : dl_dep))
495 cdata.set('GST_ENABLE_EXTRA_CHECKS', not get_option('extra-checks').disabled())
496 cdata.set('USE_POISONING', get_option('poisoning'))
498 configinc = include_directories('.')
499 libsinc = include_directories('libs')
500 privinc = include_directories('gst')
503 glib_dep = dependency('glib-2.0', version : '>=2.56.0',
504 fallback: ['glib', 'libglib_dep'])
505 gobject_dep = dependency('gobject-2.0',
506 fallback: ['glib', 'libgobject_dep'])
507 gmodule_dep = dependency('gmodule-2.0',
508 fallback: ['glib', 'libgmodule_dep'])
509 if host_system == 'windows'
510 gio_dep = dependency('gio-2.0',
511 fallback: ['glib', 'libgio_dep'])
513 gio_dep = [dependency('gio-2.0',
514 fallback: ['glib', 'libgio_dep']),
515 dependency('gio-unix-2.0',
516 fallback: ['glib', 'libgio_dep'])]
519 mathlib = cc.find_library('m', required : false)
520 # Needed for timer_create/settime/delete
521 # Also provides clock_gettime in glibc < 2.17
522 rt_lib = cc.find_library('rt', required : false)
524 gir = find_program('g-ir-scanner', required : get_option('introspection'))
525 gnome = import('gnome')
527 build_gir = gir.found() and (not meson.is_cross_build() or get_option('introspection').enabled())
529 gir_init_section = [ '--add-init-section=extern void gst_init(gint*,gchar**);' + \
530 'g_setenv("GST_REGISTRY_DISABLE", "yes", TRUE);' + \
531 'g_setenv("GST_REGISTRY_1.0", "/no/way/this/exists.reg", TRUE);' + \
532 'g_setenv("GST_PLUGIN_PATH_1_0", "", TRUE);' + \
533 'g_setenv("GST_PLUGIN_SYSTEM_PATH_1_0", "", TRUE);' + \
534 'gst_init(NULL,NULL);', '--quiet']
536 gst_c_args = ['-DHAVE_CONFIG_H']
538 # FIXME: This is only needed on windows and probably breaks when
539 # default_library = 'both'. We should add this flag to static_c_args instead
540 # when Meson supports it: https://github.com/mesonbuild/meson/issues/3304
541 if get_option('default_library') == 'static'
542 gst_c_args += ['-DGST_STATIC_COMPILATION']
545 # Used in gst/parse/meson.build and below
546 python3 = import('python').find_installation()
548 bashcomp_option = get_option('bash-completion')
549 bashcomp_dep = dependency('bash-completion', version : '>= 2.0', required : bashcomp_option)
550 bash_completions_dir = ''
551 bash_helpers_dir = ''
553 bashcomp_found = false
554 if bashcomp_dep.found()
555 bashcomp_found = true
556 bashcomp_dir_override = bashcomp_dep.version().version_compare('>= 2.10') ? ['datadir', datadir] : ['prefix', prefix]
557 bash_completions_dir = bashcomp_dep.get_variable('completionsdir', pkgconfig_define: bashcomp_dir_override)
558 if bash_completions_dir == ''
559 msg = 'Found bash-completion but the .pc file did not set \'completionsdir\'.'
560 if bashcomp_option.enabled()
565 bashcomp_found = false
568 bash_helpers_dir = bashcomp_dep.get_variable('helpersdir', pkgconfig_define: bashcomp_dir_override)
569 if bash_helpers_dir == ''
570 msg = 'Found bash-completion, but the .pc file did not set \'helpersdir\'.'
571 if bashcomp_option.enabled()
576 bashcomp_found = false
580 plugins_install_dir = join_paths(get_option('libdir'), 'gstreamer-1.0')
582 pkgconfig = import('pkgconfig')
583 plugins_pkgconfig_install_dir = join_paths(plugins_install_dir, 'pkgconfig')
584 if get_option('default_library') == 'shared'
585 # If we don't build static plugins there is no need to generate pc files
586 plugins_pkgconfig_install_dir = disabler()
588 pkgconfig_variables = ['exec_prefix=${prefix}',
589 'toolsdir=${exec_prefix}/bin',
590 'pluginsdir=${libdir}/gstreamer-1.0',
591 'datarootdir=${prefix}/share',
592 'datadir=${datarootdir}',
593 'girdir=${datadir}/gir-1.0',
594 'typelibdir=${libdir}/girepository-1.0',
595 'libexecdir=${prefix}/libexec',
596 'pluginscannerdir=${libexecdir}/gstreamer-1.0']
597 pkgconfig_uninstalled_variables = ['exec_prefix=${prefix}',
598 'gstreamerdir=${prefix}/subprojects/gstreamer',
599 'bashhelpersdir=${gstreamerdir}/data/bash-completion/helpers',
600 'helpersdir=${gstreamerdir}/libs/gst/helpers']
601 pkgconfig_subdirs = ['gstreamer-1.0']
603 static_build = get_option('default_library') == 'static'
608 if not get_option('tools').disabled()
615 # xgettext is optional (on Windows for instance)
616 if find_program('xgettext', required : get_option('nls')).found()
617 cdata.set('ENABLE_NLS', 1)
624 if gst_version_nano == 0
625 extract_release_date = find_program('scripts/extract-release-date-from-doap-file.py')
626 run_result = run_command(extract_release_date, gst_version, files('gstreamer.doap'), check: true)
627 release_date = run_result.stdout().strip()
628 cdata.set_quoted('GST_PACKAGE_RELEASE_DATETIME', release_date)
629 message('Package release date: ' + release_date)
632 configure_file(output : 'config.h', configuration : cdata)
633 install_data('gst-element-check-1.0.m4', install_dir : join_paths(get_option('datadir'), 'aclocal'))
636 foreach plugin: plugins
637 if plugin.name().startswith('gst')
638 plugin_names += [plugin.name().substring(3)]
640 plugin_names += [plugin.name()]
645 'Plugins': plugin_names,