1 project('gstreamer', 'c',
3 meson_version : '>= 0.48',
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 libexecdir = get_option('libexecdir')
32 helpers_install_dir = join_paths(libexecdir, 'gstreamer-1.0')
34 cc = meson.get_compiler('c')
36 cdata = configuration_data()
38 # Ignore several spurious warnings for things gstreamer does very commonly
39 # If a warning is completely useless and spammy, use '/wdXXXX' to suppress it
40 # If a warning is harmless but hard to fix, use '/woXXXX' so it's shown once
41 # NOTE: Only add warnings here if you are sure they're spurious
42 if cc.get_id() == 'msvc'
43 add_project_arguments(
44 '/wd4018', # implicit signed/unsigned conversion
45 '/wd4146', # unary minus on unsigned (beware INT_MIN)
46 '/wd4244', # lossy type conversion (e.g. double -> int)
47 '/wd4305', # truncating type conversion (e.g. double -> float)
48 cc.get_supported_arguments(['/utf-8']), # set the input encoding to utf-8
50 elif cc.has_link_argument('-Wl,-Bsymbolic-functions')
51 # FIXME: Add an option for this if people ask for it
52 add_project_link_arguments('-Wl,-Bsymbolic-functions', language : 'c')
56 have_visibility_hidden = false
57 if cc.get_id() == 'msvc'
58 export_define = '__declspec(dllexport) extern'
59 elif cc.has_argument('-fvisibility=hidden')
60 add_project_arguments('-fvisibility=hidden', language: 'c')
61 export_define = 'extern __attribute__ ((visibility ("default")))'
62 have_visibility_hidden = true
64 export_define = 'extern'
67 # Passing this through the command line would be too messy
68 cdata.set('GST_API_EXPORT', export_define)
70 # Disable strict aliasing
71 if cc.has_argument('-fno-strict-aliasing')
72 add_project_arguments('-fno-strict-aliasing', language: 'c')
75 # Define G_DISABLE_DEPRECATED for development versions
77 message('Disabling deprecated GLib API')
78 add_project_arguments('-DG_DISABLE_DEPRECATED', language: 'c')
81 cast_checks = get_option('gobject-cast-checks')
82 if cast_checks.disabled() or (cast_checks.auto() and not gst_version_is_dev)
83 message('Disabling GLib cast checks')
84 add_project_arguments('-DG_DISABLE_CAST_CHECKS', language: 'c')
87 glib_asserts = get_option('glib-asserts')
88 if glib_asserts.disabled() or (glib_asserts.auto() and not gst_version_is_dev)
89 message('Disabling GLib asserts')
90 add_project_arguments('-DG_DISABLE_ASSERT', language: 'c')
93 glib_checks = get_option('glib-checks')
94 if glib_checks.disabled() or (glib_checks.auto() and not gst_version_is_dev)
95 message('Disabling GLib checks')
96 add_project_arguments('-DG_DISABLE_CHECKS', language: 'c')
99 cdata.set_quoted('GST_API_VERSION', apiversion)
100 cdata.set_quoted('GST_DATADIR', join_paths(prefix, get_option('datadir')))
101 cdata.set_quoted('LOCALEDIR', join_paths(prefix, get_option('localedir')))
102 cdata.set_quoted('LIBDIR', join_paths(prefix, get_option('libdir')))
103 cdata.set_quoted('GST_API_VERSION', '1.0')
104 cdata.set_quoted('GETTEXT_PACKAGE', 'gstreamer-1.0')
105 cdata.set_quoted('GST_LICENSE', 'LGPL')
106 cdata.set_quoted('PACKAGE', 'gstreamer')
107 cdata.set_quoted('PACKAGE_NAME', 'GStreamer')
108 cdata.set_quoted('PACKAGE_STRING', 'GStreamer @0@'.format(gst_version))
109 cdata.set_quoted('PACKAGE_TARNAME', 'gstreamer')
110 cdata.set_quoted('PACKAGE_BUGREPORT', 'http://bugzilla.gnome.org/enter_bug.cgi?product=GStreamer')
111 cdata.set_quoted('PACKAGE_URL', '')
112 cdata.set_quoted('PACKAGE_VERSION', gst_version)
113 cdata.set_quoted('PLUGINDIR', join_paths(get_option('prefix'), get_option('libdir'), 'gstreamer-1.0'))
114 cdata.set_quoted('VERSION', gst_version)
115 cdata.set_quoted('GST_PLUGIN_SCANNER_INSTALLED', join_paths(prefix, helpers_install_dir, 'gst-plugin-scanner'))
116 cdata.set_quoted('GST_PTP_HELPER_INSTALLED', join_paths(prefix, helpers_install_dir, 'gst-ptp-helper'))
117 cdata.set_quoted('GST_PLUGIN_SUBDIR', get_option('libdir'),
118 description: 'plugin directory path component, used to find plugins on relocatable builds on windows')
119 cdata.set_quoted('GST_PLUGIN_SCANNER_SUBDIR', libexecdir,
120 description: 'libexecdir path component, used to find plugin-scanner on relocatable builds on windows')
121 cdata.set('GST_DISABLE_OPTION_PARSING', not get_option('option-parsing'))
123 mem_align_opt = get_option('memory-alignment')
124 if mem_align_opt == 'malloc'
125 cdata.set('MEMORY_ALIGNMENT_MALLOC', 1)
126 elif mem_align_opt == 'pagesize'
127 cdata.set('MEMORY_ALIGNMENT_PAGESIZE', 1)
129 cdata.set('MEMORY_ALIGNMENT', mem_align_opt.to_int())
132 if ['darwin', 'ios'].contains(host_system)
133 cdata.set_quoted('GST_EXTRA_MODULE_SUFFIX', '.dylib')
136 if gst_version_nano > 0
137 # Have GST_ERROR message printed when running from git
138 cdata.set('GST_LEVEL_DEFAULT', 'GST_LEVEL_ERROR')
140 cdata.set('GST_LEVEL_DEFAULT', 'GST_LEVEL_NONE')
143 # GStreamer package name and origin url
144 gst_package_name = get_option('package-name')
145 if gst_package_name == ''
146 if gst_version_nano == 0
147 gst_package_name = 'GStreamer source release'
148 elif gst_version_nano == 1
149 gst_package_name = 'GStreamer git'
151 gst_package_name = 'GStreamer prerelease'
154 cdata.set_quoted('GST_PACKAGE_NAME', gst_package_name)
155 cdata.set_quoted('GST_PACKAGE_ORIGIN', get_option('package-origin'))
157 # These are only needed/used by the ABI tests
159 [ 'x86', 'HAVE_CPU_I386' ],
160 [ 'x86_64', 'HAVE_CPU_X86_64' ],
161 [ 'arm', 'HAVE_CPU_ARM' ],
162 [ 'aarch64', 'HAVE_CPU_AARCH64' ],
163 [ 'mips', 'HAVE_CPU_MIPS' ],
164 [ 'powerpc', 'HAVE_CPU_PPC' ],
165 [ 'powerpc64', 'HAVE_CPU_PPC64' ],
166 [ 'alpha', 'HAVE_CPU_ALPHA' ],
167 [ 'sparc', 'HAVE_CPU_SPARC' ],
168 [ 'ia64', 'HAVE_CPU_IA64' ],
169 [ 'hppa', 'HAVE_CPU_HPPA' ],
170 [ 'm68k', 'HAVE_CPU_M68K' ],
171 [ 's390', 'HAVE_CPU_S390' ],
173 foreach h : host_defines
174 if h.get(0) == host_machine.cpu()
175 cdata.set(h.get(1), 1)
178 # FIXME: should really be called HOST_CPU or such
179 cdata.set_quoted('TARGET_CPU', host_machine.cpu())
202 'valgrind/valgrind.h',
207 if host_system == 'windows'
208 check_headers += ['winsock2.h']
211 foreach h : check_headers
213 define = 'HAVE_' + h.underscorify().to_upper()
218 if cc.has_member('struct tm', 'tm_gmtoff', prefix : '#include <time.h>')
219 cdata.set('HAVE_TM_GMTOFF', 1)
234 # These are needed by libcheck
241 foreach f : check_functions
242 if cc.has_function(f)
243 define = 'HAVE_' + f.underscorify().to_upper()
248 if cc.has_function('localtime_r', prefix : '#include<time.h>')
249 cdata.set('HAVE_LOCALTIME_R', 1)
251 cdata.set('HAVE_DECL_LOCALTIME_R', 1)
254 if cc.links('''#include <pthread.h>
256 pthread_setname_np("example"); return 0;
257 }''', name : 'pthread_setname_np(const char*)')
258 cdata.set('HAVE_PTHREAD_SETNAME_NP_WITHOUT_TID', 1)
260 if cc.has_header_symbol('pthread.h', 'pthread_condattr_setclock')
261 cdata.set('HAVE_PTHREAD_CONDATTR_SETCLOCK', 1)
263 if cc.has_header_symbol('pthread.h', 'pthread_cond_timedwait_relative_np')
264 cdata.set('HAVE_PTHREAD_COND_TIMEDWAIT_RELATIVE_NP', 1)
268 if cc.links('''#include <linux/futex.h>
269 #include <sys/syscall.h>
271 int main (int argc, char ** argv) {
272 syscall (__NR_futex, NULL, FUTEX_WAKE, FUTEX_WAIT);
274 }''', name : 'futex(2) system call')
275 cdata.set('HAVE_FUTEX', 1)
278 # Check for posix timers and monotonic clock
279 time_prefix = '#include <time.h>\n'
280 if cdata.has('HAVE_UNISTD_H')
281 time_prefix += '#include <unistd.h>'
284 posix_timers_src = time_prefix + '''
285 #if !defined(_POSIX_TIMERS) || _POSIX_TIMERS < 0 || !defined(CLOCK_REALTIME)
286 #error Either _POSIX_TIMERS or CLOCK_REALTIME not defined
289 if cc.compiles(posix_timers_src, name : 'posix timers from time.h')
290 cdata.set('HAVE_POSIX_TIMERS', 1)
293 monotonic_clock_src = time_prefix + '''
294 #if !defined(_POSIX_MONOTONIC_CLOCK) || _POSIX_MONOTONIC_CLOCK < 0 || !defined(CLOCK_MONOTONIC)
295 #error Either _POSIX_MONOTONIC_CLOCK or CLOCK_MONOTONIC not defined
298 if cc.compiles(monotonic_clock_src, name : 'monotonic clock from time.h')
299 cdata.set('HAVE_MONOTONIC_CLOCK', 1)
302 # Check for __uint128_t (gcc) by checking for 128-bit division
303 uint128_t_src = '''int main() {
304 static __uint128_t v1 = 100;
305 static __uint128_t v2 = 10;
306 static __uint128_t u;
309 if cc.compiles(uint128_t_src, name : '__uint128_t available')
310 cdata.set('HAVE_UINT128_T', 1)
313 # All supported platforms have long long now
314 cdata.set('HAVE_LONG_LONG', 1)
316 # We only want to use the __declspec(dllexport/import) dance in GST_EXPORT when
318 if cc.get_id() == 'msvc'
319 cdata.set('GSTCONFIG_BUILT_WITH_MSVC', 1)
321 cdata.set('GSTCONFIG_BUILT_WITH_MSVC', 0)
324 # -------------------------------------------------------------------------------------
325 # config.h things needed by libcheck
326 # -------------------------------------------------------------------------------------
327 if cc.has_function('getpid')
328 cdata.set('HAVE_GETPID', 1)
329 elif host_system == 'windows' and cc.has_function('_getpid')
330 cdata.set('HAVE_PROCESS_H', 1) # Used by gstreamer too
331 cdata.set('HAVE__GETPID', 1)
333 if cc.has_function('strdup')
334 cdata.set('HAVE_DECL_STRDUP', 1)
335 elif host_system == 'windows' and cc.has_function('_strdup')
336 cdata.set('HAVE__STRDUP', 1) # Windows (MSVC)
338 if host_system != 'windows'
339 cdata.set('HAVE_FORK', 1)
341 # libcheck requires HAVE_FORK to be 0 when fork() is not available
342 cdata.set('HAVE_FORK', 0)
344 if cc.has_function('strsignal')
345 cdata.set('HAVE_DECL_STRSIGNAL', 1)
347 # Check for availability of types
348 if not cc.has_type('clockid_t', prefix : '#include <time.h>')
349 cdata.set('clockid_t', 'int')
351 if not cc.has_type('timer_t', prefix : '#include <time.h>')
352 cdata.set('timer_t', 'int')
354 if not cc.has_members('struct timespec', 'tv_sec', 'tv_nsec',
355 prefix : '#include <time.h>')
356 cdata.set('STRUCT_TIMESPEC_DEFINITION_MISSING', 1)
358 if not cc.has_members('struct itimerspec', 'it_interval', 'it_value',
359 prefix : '#include <time.h>')
360 cdata.set('STRUCT_ITIMERSPEC_DEFINITION_MISSING', 1)
363 # Platform deps; only ws2_32 and execinfo for now
365 if host_system == 'windows'
366 platform_deps = [cc.find_library('ws2_32')]
370 unwind_dep = dependency('libunwind', required : get_option('libunwind'))
371 dw_dep = dependency('libdw', required: get_option('libdw'))
372 dbghelp_dep = dependency('DbgHelp', required : get_option('dbghelp'))
373 backtrace_deps = [unwind_dep, dw_dep, dbghelp_dep]
374 backtrace_source_info = false
375 backtrace_minimal = false
376 # MSVC debug stack trace support
377 if host_system == 'windows' and dbghelp_dep.found()
378 cdata.set('HAVE_DBGHELP', 1)
379 backtrace_source_info = true
380 # DWARF stack trace support with libunwind and elf-utils
381 elif unwind_dep.found()
382 cdata.set('HAVE_UNWIND', 1)
384 cdata.set('HAVE_DW', 1)
385 backtrace_source_info = true
387 backtrace_minimal = true
388 # Basic backtrace() stack trace support
389 elif cc.has_function('backtrace')
390 cdata.set('HAVE_BACKTRACE', 1)
391 backtrace_minimal = true
393 # Print messages about what was enabled
394 if not backtrace_source_info
395 if not backtrace_minimal
396 message('NO support for stack traces.')
398 message('Minimal support for stack traces, no source info.')
402 if cc.has_header('execinfo.h')
403 if cc.has_function('backtrace', prefix : '#include <execinfo.h>')
404 cdata.set('HAVE_BACKTRACE', 1)
406 execinfo_dep = cc.find_library('execinfo', required : false)
407 if execinfo_dep.found() and cc.has_function('backtrace', prefix : '#include <execinfo.h>', dependencies : execinfo_dep)
408 cdata.set('HAVE_BACKTRACE', 1)
409 platform_deps += execinfo_dep
414 gst_debug = get_option('gst_debug')
416 add_project_arguments(['-Wno-unused'], language: 'c')
420 '-Wmissing-declarations',
421 '-Wmissing-prototypes',
426 '-Wformat-nonliteral',
428 '-Wold-style-definition',
430 '-Wmissing-include-dirs',
432 '-Waggregate-return',
434 '-Wdeclaration-after-statement',
439 foreach extra_arg : warning_flags
440 if cc.has_argument (extra_arg)
441 add_project_arguments([extra_arg], language: 'c')
445 # Used by the gstutils test
446 gmp_dep = cc.find_library('gmp', required : false)
447 cdata.set('HAVE_GMP', gmp_dep.found())
448 gsl_dep = cc.find_library('gsl', required : false)
449 gslcblas_dep = cc.find_library('gslcblas', required : false)
450 cdata.set('HAVE_GSL', gsl_dep.found() and gslcblas_dep.found())
451 test_deps = [gmp_dep, gsl_dep, gslcblas_dep]
454 dl_dep = cc.find_library('dl', required : false)
455 cdata.set('HAVE_DLADDR', cc.has_function('dladdr', dependencies : dl_dep))
456 cdata.set('GST_ENABLE_EXTRA_CHECKS', not get_option('extra-checks').disabled())
457 cdata.set('USE_POISONING', get_option('poisoning'))
459 configinc = include_directories('.')
460 libsinc = include_directories('libs')
461 privinc = include_directories('gst')
464 glib_dep = dependency('glib-2.0', version : '>=2.44.0',
465 fallback: ['glib', 'libglib_dep'])
466 gobject_dep = dependency('gobject-2.0',
467 fallback: ['glib', 'libgobject_dep'])
468 gmodule_dep = dependency('gmodule-2.0',
469 fallback: ['glib', 'libgmodule_dep'])
470 if host_system == 'windows'
471 gio_dep = dependency('gio-2.0',
472 fallback: ['glib', 'libgio_dep'])
474 gio_dep = [dependency('gio-2.0',
475 fallback: ['glib', 'libgio_dep']),
476 dependency('gio-unix-2.0',
477 fallback: ['glib', 'libgio_dep'])]
480 mathlib = cc.find_library('m', required : false)
481 # Needed for timer_create/settime/delete
482 # Also provides clock_gettime in glibc < 2.17
483 rt_lib = cc.find_library('rt', required : false)
485 gir = find_program('g-ir-scanner', required : get_option('introspection'))
486 gnome = import('gnome')
488 build_gir = gir.found() and (not meson.is_cross_build() or get_option('introspection').enabled())
490 gir_init_section = [ '--add-init-section=extern void gst_init(gint*,gchar**);' + \
491 'g_setenv("GST_REGISTRY_DISABLE", "yes", TRUE);' + \
492 'g_setenv("GST_REGISTRY_1.0", "/no/way/this/exists.reg", TRUE);' + \
493 'g_setenv("GST_PLUGIN_PATH_1_0", "", TRUE);' + \
494 'g_setenv("GST_PLUGIN_SYSTEM_PATH_1_0", "", TRUE);' + \
495 'gst_init(NULL,NULL);', '--quiet']
497 gst_c_args = ['-DHAVE_CONFIG_H']
499 # FIXME: This is only needed on windows and probably breaks when
500 # default_library = 'both'. We should add this flag to static_c_args instead
501 # when Meson supports it: https://github.com/mesonbuild/meson/issues/3304
502 if get_option('default_library') == 'static'
503 gst_c_args += ['-DGST_STATIC_COMPILATION']
506 # Used in gst/parse/meson.build and below
507 python3 = import('python').find_installation()
509 bashcomp_option = get_option('bash-completion')
510 bashcomp_dep = dependency('bash-completion', version : '>= 2.0', required : bashcomp_option)
511 bash_completions_dir = ''
512 bash_helpers_dir = ''
514 bashcomp_found = false
515 if bashcomp_dep.found()
516 bashcomp_found = true
517 bash_completions_dir = bashcomp_dep.get_pkgconfig_variable('completionsdir', define_variable: ['prefix', '.'])
518 if bash_completions_dir == ''
519 msg = 'Found bash-completion but the .pc file did not set \'completionsdir\'.'
520 if bashcomp_option.enabled()
525 bashcomp_found = false
528 bash_helpers_dir = bashcomp_dep.get_pkgconfig_variable('helpersdir', define_variable: ['prefix', '.'])
529 if bash_helpers_dir == ''
530 msg = 'Found bash-completion, but the .pc file did not set \'helpersdir\'.'
531 if bashcomp_option.enabled()
536 bashcomp_found = false
540 plugins_install_dir = join_paths(get_option('libdir'), 'gstreamer-1.0')
542 pkgconfig = import('pkgconfig')
543 plugins_pkgconfig_install_dir = join_paths(plugins_install_dir, 'pkgconfig')
544 if get_option('default_library') == 'shared'
545 # If we don't build static plugins there is no need to generate pc files
546 plugins_pkgconfig_install_dir = disabler()
552 if not get_option('tools').disabled()
560 # xgettext is optional (on Windows for instance)
561 if find_program('xgettext', required : get_option('nls')).found()
562 cdata.set('ENABLE_NLS', 1)
566 configure_file(output : 'config.h', configuration : cdata)
567 run_command(python3, '-c', 'import shutil; shutil.copy("hooks/pre-commit.hook", ".git/hooks/pre-commit")')
568 install_data('gst-element-check-1.0.m4', install_dir : join_paths(get_option('datadir'), 'aclocal'))