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)
261 # Check for posix timers and monotonic clock
262 time_prefix = '#include <time.h>\n'
263 if cdata.has('HAVE_UNISTD_H')
264 time_prefix += '#include <unistd.h>'
267 posix_timers_src = time_prefix + '''
268 #if !defined(_POSIX_TIMERS) || _POSIX_TIMERS < 0 || !defined(CLOCK_REALTIME)
269 #error Either _POSIX_TIMERS or CLOCK_REALTIME not defined
272 if cc.compiles(posix_timers_src, name : 'posix timers from time.h')
273 cdata.set('HAVE_POSIX_TIMERS', 1)
276 monotonic_clock_src = time_prefix + '''
277 #if !defined(_POSIX_MONOTONIC_CLOCK) || _POSIX_MONOTONIC_CLOCK < 0 || !defined(CLOCK_MONOTONIC)
278 #error Either _POSIX_MONOTONIC_CLOCK or CLOCK_MONOTONIC not defined
281 if cc.compiles(monotonic_clock_src, name : 'monotonic clock from time.h')
282 cdata.set('HAVE_MONOTONIC_CLOCK', 1)
285 # Check for __uint128_t (gcc) by checking for 128-bit division
286 uint128_t_src = '''int main() {
287 static __uint128_t v1 = 100;
288 static __uint128_t v2 = 10;
289 static __uint128_t u;
292 if cc.compiles(uint128_t_src, name : '__uint128_t available')
293 cdata.set('HAVE_UINT128_T', 1)
296 # All supported platforms have long long now
297 cdata.set('HAVE_LONG_LONG', 1)
299 # We only want to use the __declspec(dllexport/import) dance in GST_EXPORT when
301 if cc.get_id() == 'msvc'
302 cdata.set('GSTCONFIG_BUILT_WITH_MSVC', 1)
304 cdata.set('GSTCONFIG_BUILT_WITH_MSVC', 0)
307 # -------------------------------------------------------------------------------------
308 # config.h things needed by libcheck
309 # -------------------------------------------------------------------------------------
310 if cc.has_function('getpid')
311 cdata.set('HAVE_GETPID', 1)
312 elif host_system == 'windows' and cc.has_function('_getpid')
313 cdata.set('HAVE_PROCESS_H', 1) # Used by gstreamer too
314 cdata.set('HAVE__GETPID', 1)
316 if cc.has_function('strdup')
317 cdata.set('HAVE_DECL_STRDUP', 1)
318 elif host_system == 'windows' and cc.has_function('_strdup')
319 cdata.set('HAVE__STRDUP', 1) # Windows (MSVC)
321 if host_system != 'windows'
322 cdata.set('HAVE_FORK', 1)
324 # libcheck requires HAVE_FORK to be 0 when fork() is not available
325 cdata.set('HAVE_FORK', 0)
327 if cc.has_function('strsignal')
328 cdata.set('HAVE_DECL_STRSIGNAL', 1)
330 # Check for availability of types
331 if not cc.has_type('clockid_t', prefix : '#include <time.h>')
332 cdata.set('clockid_t', 'int')
334 if not cc.has_type('timer_t', prefix : '#include <time.h>')
335 cdata.set('timer_t', 'int')
337 if not cc.has_members('struct timespec', 'tv_sec', 'tv_nsec',
338 prefix : '#include <time.h>')
339 cdata.set('STRUCT_TIMESPEC_DEFINITION_MISSING', 1)
341 if not cc.has_members('struct itimerspec', 'it_interval', 'it_value',
342 prefix : '#include <time.h>')
343 cdata.set('STRUCT_ITIMERSPEC_DEFINITION_MISSING', 1)
346 # Platform deps; only ws2_32 and execinfo for now
348 if host_system == 'windows'
349 platform_deps = [cc.find_library('ws2_32')]
353 unwind_dep = dependency('libunwind', required : get_option('libunwind'))
354 dw_dep = dependency('libdw', required: get_option('libdw'))
355 dbghelp_dep = dependency('DbgHelp', required : get_option('dbghelp'))
356 backtrace_deps = [unwind_dep, dw_dep, dbghelp_dep]
357 backtrace_source_info = false
358 backtrace_minimal = false
359 # MSVC debug stack trace support
360 if host_system == 'windows' and dbghelp_dep.found()
361 cdata.set('HAVE_DBGHELP', 1)
362 backtrace_source_info = true
363 # DWARF stack trace support with libunwind and elf-utils
364 elif unwind_dep.found()
365 cdata.set('HAVE_UNWIND', 1)
367 cdata.set('HAVE_DW', 1)
368 backtrace_source_info = true
370 backtrace_minimal = true
371 # Basic backtrace() stack trace support
372 elif cc.has_function('backtrace')
373 cdata.set('HAVE_BACKTRACE', 1)
374 backtrace_minimal = true
376 # Print messages about what was enabled
377 if not backtrace_source_info
378 if not backtrace_minimal
379 message('NO support for stack traces.')
381 message('Minimal support for stack traces, no source info.')
385 if cc.has_header('execinfo.h')
386 if cc.has_function('backtrace', prefix : '#include <execinfo.h>')
387 cdata.set('HAVE_BACKTRACE', 1)
389 execinfo_dep = cc.find_library('execinfo', required : false)
390 if execinfo_dep.found() and cc.has_function('backtrace', prefix : '#include <execinfo.h>', dependencies : execinfo_dep)
391 cdata.set('HAVE_BACKTRACE', 1)
392 platform_deps += execinfo_dep
397 gst_debug = get_option('gst_debug')
399 add_project_arguments(['-Wno-unused'], language: 'c')
403 '-Wmissing-declarations',
404 '-Wmissing-prototypes',
409 '-Wformat-nonliteral',
411 '-Wold-style-definition',
413 '-Wmissing-include-dirs',
415 '-Waggregate-return',
417 '-Wdeclaration-after-statement',
422 foreach extra_arg : warning_flags
423 if cc.has_argument (extra_arg)
424 add_project_arguments([extra_arg], language: 'c')
428 # Used by the gstutils test
429 gmp_dep = cc.find_library('gmp', required : false)
430 cdata.set('HAVE_GMP', gmp_dep.found())
431 gsl_dep = cc.find_library('gsl', required : false)
432 gslcblas_dep = cc.find_library('gslcblas', required : false)
433 cdata.set('HAVE_GSL', gsl_dep.found() and gslcblas_dep.found())
434 test_deps = [gmp_dep, gsl_dep, gslcblas_dep]
437 dl_dep = cc.find_library('dl', required : false)
438 cdata.set('HAVE_DLADDR', cc.has_function('dladdr', dependencies : dl_dep))
439 cdata.set('GST_ENABLE_EXTRA_CHECKS', not get_option('extra-checks').disabled())
440 cdata.set('USE_POISONING', get_option('poisoning'))
442 configinc = include_directories('.')
443 libsinc = include_directories('libs')
444 privinc = include_directories('gst')
447 glib_dep = dependency('glib-2.0', version : '>=2.44.0',
448 fallback: ['glib', 'libglib_dep'])
449 gobject_dep = dependency('gobject-2.0',
450 fallback: ['glib', 'libgobject_dep'])
451 gmodule_dep = dependency('gmodule-2.0',
452 fallback: ['glib', 'libgmodule_dep'])
453 if host_system == 'windows'
454 gio_dep = dependency('gio-2.0',
455 fallback: ['glib', 'libgio_dep'])
457 gio_dep = [dependency('gio-2.0',
458 fallback: ['glib', 'libgio_dep']),
459 dependency('gio-unix-2.0',
460 fallback: ['glib', 'libgio_dep'])]
463 mathlib = cc.find_library('m', required : false)
464 # Needed for timer_create/settime/delete
465 # Also provides clock_gettime in glibc < 2.17
466 rt_lib = cc.find_library('rt', required : false)
468 gir = find_program('g-ir-scanner', required : get_option('introspection'))
469 gnome = import('gnome')
471 build_gir = gir.found() and (not meson.is_cross_build() or get_option('introspection').enabled())
473 gir_init_section = [ '--add-init-section=extern void gst_init(gint*,gchar**);' + \
474 'g_setenv("GST_REGISTRY_DISABLE", "yes", TRUE);' + \
475 'g_setenv("GST_REGISTRY_1.0", "/no/way/this/exists.reg", TRUE);' + \
476 'g_setenv("GST_PLUGIN_PATH_1_0", "", TRUE);' + \
477 'g_setenv("GST_PLUGIN_SYSTEM_PATH_1_0", "", TRUE);' + \
478 'gst_init(NULL,NULL);', '--quiet']
480 gst_c_args = ['-DHAVE_CONFIG_H']
482 # FIXME: This is only needed on windows and probably breaks when
483 # default_library = 'both'. We should add this flag to static_c_args instead
484 # when Meson supports it: https://github.com/mesonbuild/meson/issues/3304
485 if get_option('default_library') == 'static'
486 gst_c_args += ['-DGST_STATIC_COMPILATION']
489 # Used in gst/parse/meson.build and below
490 python3 = import('python').find_installation()
492 bashcomp_option = get_option('bash-completion')
493 bashcomp_dep = dependency('bash-completion', version : '>= 2.0', required : bashcomp_option)
494 bash_completions_dir = ''
495 bash_helpers_dir = ''
497 bashcomp_found = false
498 if bashcomp_dep.found()
499 bashcomp_found = true
500 bash_completions_dir = bashcomp_dep.get_pkgconfig_variable('completionsdir', define_variable: ['prefix', '.'])
501 if bash_completions_dir == ''
502 msg = 'Found bash-completion but the .pc file did not set \'completionsdir\'.'
503 if bashcomp_option.enabled()
508 bashcomp_found = false
511 bash_helpers_dir = bashcomp_dep.get_pkgconfig_variable('helpersdir', define_variable: ['prefix', '.'])
512 if bash_helpers_dir == ''
513 msg = 'Found bash-completion, but the .pc file did not set \'helpersdir\'.'
514 if bashcomp_option.enabled()
519 bashcomp_found = false
523 plugins_install_dir = join_paths(get_option('libdir'), 'gstreamer-1.0')
525 pkgconfig = import('pkgconfig')
526 plugins_pkgconfig_install_dir = join_paths(plugins_install_dir, 'pkgconfig')
527 if get_option('default_library') == 'shared'
528 # If we don't build static plugins there is no need to generate pc files
529 plugins_pkgconfig_install_dir = disabler()
535 if not get_option('tools').disabled()
543 # xgettext is optional (on Windows for instance)
544 if find_program('xgettext', required : get_option('nls')).found()
545 cdata.set('ENABLE_NLS', 1)
549 configure_file(output : 'config.h', configuration : cdata)
550 run_command(python3, '-c', 'import shutil; shutil.copy("hooks/pre-commit.hook", ".git/hooks/pre-commit")')
551 install_data('gst-element-check-1.0.m4', install_dir : join_paths(get_option('datadir'), 'aclocal'))