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 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 # Ignore several spurious warnings for things gstreamer does very commonly
40 # If a warning is completely useless and spammy, use '/wdXXXX' to suppress it
41 # If a warning is harmless but hard to fix, use '/woXXXX' so it's shown once
42 # NOTE: Only add warnings here if you are sure they're spurious
43 if cc.get_id() == 'msvc'
44 add_project_arguments(
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
51 elif cc.has_link_argument('-Wl,-Bsymbolic-functions')
52 # FIXME: Add an option for this if people ask for it
53 add_project_link_arguments('-Wl,-Bsymbolic-functions', language : 'c')
57 have_visibility_hidden = false
58 if cc.get_id() == 'msvc'
59 export_define = '__declspec(dllexport) extern'
60 elif cc.has_argument('-fvisibility=hidden')
61 add_project_arguments('-fvisibility=hidden', language: 'c')
62 export_define = 'extern __attribute__ ((visibility ("default")))'
63 have_visibility_hidden = true
65 export_define = 'extern'
68 # Passing this through the command line would be too messy
69 cdata.set('GST_API_EXPORT', export_define)
71 # Disable strict aliasing
72 if cc.has_argument('-fno-strict-aliasing')
73 add_project_arguments('-fno-strict-aliasing', language: 'c')
76 # Define G_DISABLE_DEPRECATED for development versions
78 message('Disabling deprecated GLib API')
79 add_project_arguments('-DG_DISABLE_DEPRECATED', language: 'c')
82 cast_checks = get_option('gobject-cast-checks')
83 if cast_checks.disabled() or (cast_checks.auto() and not gst_version_is_dev)
84 message('Disabling GLib cast checks')
85 add_project_arguments('-DG_DISABLE_CAST_CHECKS', language: 'c')
88 glib_asserts = get_option('glib-asserts')
89 if glib_asserts.disabled() or (glib_asserts.auto() and not gst_version_is_dev)
90 message('Disabling GLib asserts')
91 add_project_arguments('-DG_DISABLE_ASSERT', language: 'c')
94 glib_checks = get_option('glib-checks')
95 if glib_checks.disabled() or (glib_checks.auto() and not gst_version_is_dev)
96 message('Disabling GLib checks')
97 add_project_arguments('-DG_DISABLE_CHECKS', language: 'c')
100 cdata.set_quoted('GST_API_VERSION', apiversion)
101 cdata.set_quoted('GST_DATADIR', datadir)
102 cdata.set_quoted('LOCALEDIR', join_paths(prefix, get_option('localedir')))
103 cdata.set_quoted('LIBDIR', join_paths(prefix, get_option('libdir')))
104 cdata.set_quoted('GST_API_VERSION', '1.0')
105 cdata.set_quoted('GETTEXT_PACKAGE', 'gstreamer-1.0')
106 cdata.set_quoted('GST_LICENSE', 'LGPL')
107 cdata.set_quoted('PACKAGE', 'gstreamer')
108 cdata.set_quoted('PACKAGE_NAME', 'GStreamer')
109 cdata.set_quoted('PACKAGE_STRING', 'GStreamer @0@'.format(gst_version))
110 cdata.set_quoted('PACKAGE_TARNAME', 'gstreamer')
111 cdata.set_quoted('PACKAGE_BUGREPORT', 'https://gitlab.freedesktop.org/gstreamer/gstreamer/issues/new')
112 cdata.set_quoted('PACKAGE_URL', '')
113 cdata.set_quoted('PACKAGE_VERSION', gst_version)
114 cdata.set_quoted('PLUGINDIR', join_paths(get_option('prefix'), get_option('libdir'), 'gstreamer-1.0'))
115 cdata.set_quoted('VERSION', gst_version)
116 cdata.set_quoted('GST_PLUGIN_SCANNER_INSTALLED', join_paths(prefix, helpers_install_dir, 'gst-plugin-scanner'))
117 cdata.set_quoted('GST_PTP_HELPER_INSTALLED', join_paths(prefix, helpers_install_dir, 'gst-ptp-helper'))
118 cdata.set_quoted('GST_PLUGIN_SUBDIR', get_option('libdir'),
119 description: 'plugin directory path component, used to find plugins on relocatable builds on windows')
120 cdata.set_quoted('GST_PLUGIN_SCANNER_SUBDIR', libexecdir,
121 description: 'libexecdir path component, used to find plugin-scanner on relocatable builds on windows')
122 cdata.set('GST_DISABLE_OPTION_PARSING', not get_option('option-parsing'))
124 mem_align_opt = get_option('memory-alignment')
125 if mem_align_opt == 'malloc'
126 cdata.set('MEMORY_ALIGNMENT_MALLOC', 1)
127 elif mem_align_opt == 'pagesize'
128 cdata.set('MEMORY_ALIGNMENT_PAGESIZE', 1)
130 cdata.set('MEMORY_ALIGNMENT', mem_align_opt.to_int())
133 if ['darwin', 'ios'].contains(host_system)
134 cdata.set_quoted('GST_EXTRA_MODULE_SUFFIX', '.dylib')
137 if gst_version_nano > 0
138 # Have GST_ERROR message printed when running from git
139 cdata.set('GST_LEVEL_DEFAULT', 'GST_LEVEL_ERROR')
141 cdata.set('GST_LEVEL_DEFAULT', 'GST_LEVEL_NONE')
144 # GStreamer package name and origin url
145 gst_package_name = get_option('package-name')
146 if gst_package_name == ''
147 if gst_version_nano == 0
148 gst_package_name = 'GStreamer source release'
149 elif gst_version_nano == 1
150 gst_package_name = 'GStreamer git'
152 gst_package_name = 'GStreamer prerelease'
155 cdata.set_quoted('GST_PACKAGE_NAME', gst_package_name)
156 cdata.set_quoted('GST_PACKAGE_ORIGIN', get_option('package-origin'))
158 # These are only needed/used by the ABI tests
160 [ 'x86', 'HAVE_CPU_I386' ],
161 [ 'x86_64', 'HAVE_CPU_X86_64' ],
162 [ 'arm', 'HAVE_CPU_ARM' ],
163 [ 'aarch64', 'HAVE_CPU_AARCH64' ],
164 [ 'mips', 'HAVE_CPU_MIPS' ],
165 [ 'powerpc', 'HAVE_CPU_PPC' ],
166 [ 'powerpc64', 'HAVE_CPU_PPC64' ],
167 [ 'alpha', 'HAVE_CPU_ALPHA' ],
168 [ 'sparc', 'HAVE_CPU_SPARC' ],
169 [ 'ia64', 'HAVE_CPU_IA64' ],
170 [ 'hppa', 'HAVE_CPU_HPPA' ],
171 [ 'm68k', 'HAVE_CPU_M68K' ],
172 [ 's390', 'HAVE_CPU_S390' ],
174 foreach h : host_defines
175 if h.get(0) == host_machine.cpu()
176 cdata.set(h.get(1), 1)
179 # FIXME: should really be called HOST_CPU or such
180 cdata.set_quoted('TARGET_CPU', host_machine.cpu())
203 'valgrind/valgrind.h',
208 if host_system == 'windows'
209 check_headers += ['winsock2.h']
212 foreach h : check_headers
214 define = 'HAVE_' + h.underscorify().to_upper()
219 if cc.has_member('struct tm', 'tm_gmtoff', prefix : '#include <time.h>')
220 cdata.set('HAVE_TM_GMTOFF', 1)
235 # These are needed by libcheck
242 foreach f : check_functions
243 if cc.has_function(f)
244 define = 'HAVE_' + f.underscorify().to_upper()
249 if cc.has_function('localtime_r', prefix : '#include<time.h>')
250 cdata.set('HAVE_LOCALTIME_R', 1)
252 cdata.set('HAVE_DECL_LOCALTIME_R', 1)
255 if cc.links('''#include <pthread.h>
257 pthread_setname_np("example"); return 0;
258 }''', name : 'pthread_setname_np(const char*)')
259 cdata.set('HAVE_PTHREAD_SETNAME_NP_WITHOUT_TID', 1)
261 if cc.has_header_symbol('pthread.h', 'pthread_condattr_setclock')
262 cdata.set('HAVE_PTHREAD_CONDATTR_SETCLOCK', 1)
264 if cc.has_header_symbol('pthread.h', 'pthread_cond_timedwait_relative_np')
265 cdata.set('HAVE_PTHREAD_COND_TIMEDWAIT_RELATIVE_NP', 1)
269 if cc.links('''#include <linux/futex.h>
270 #include <sys/syscall.h>
272 int main (int argc, char ** argv) {
273 syscall (__NR_futex, NULL, FUTEX_WAKE, FUTEX_WAIT);
275 }''', name : 'futex(2) system call')
276 cdata.set('HAVE_FUTEX', 1)
279 # Check for posix timers and monotonic clock
280 time_prefix = '#include <time.h>\n'
281 if cdata.has('HAVE_UNISTD_H')
282 time_prefix += '#include <unistd.h>'
285 posix_timers_src = time_prefix + '''
286 #if !defined(_POSIX_TIMERS) || _POSIX_TIMERS < 0 || !defined(CLOCK_REALTIME)
287 #error Either _POSIX_TIMERS or CLOCK_REALTIME not defined
290 if cc.compiles(posix_timers_src, name : 'posix timers from time.h')
291 cdata.set('HAVE_POSIX_TIMERS', 1)
294 monotonic_clock_src = time_prefix + '''
295 #if !defined(_POSIX_MONOTONIC_CLOCK) || _POSIX_MONOTONIC_CLOCK < 0 || !defined(CLOCK_MONOTONIC)
296 #error Either _POSIX_MONOTONIC_CLOCK or CLOCK_MONOTONIC not defined
299 if cc.compiles(monotonic_clock_src, name : 'monotonic clock from time.h')
300 cdata.set('HAVE_MONOTONIC_CLOCK', 1)
303 # Check for __uint128_t (gcc) by checking for 128-bit division
304 uint128_t_src = '''int main() {
305 static __uint128_t v1 = 100;
306 static __uint128_t v2 = 10;
307 static __uint128_t u;
310 if cc.compiles(uint128_t_src, name : '__uint128_t available')
311 cdata.set('HAVE_UINT128_T', 1)
314 # All supported platforms have long long now
315 cdata.set('HAVE_LONG_LONG', 1)
317 # We only want to use the __declspec(dllexport/import) dance in GST_EXPORT when
319 if cc.get_id() == 'msvc'
320 cdata.set('GSTCONFIG_BUILT_WITH_MSVC', 1)
322 cdata.set('GSTCONFIG_BUILT_WITH_MSVC', 0)
325 # -------------------------------------------------------------------------------------
326 # config.h things needed by libcheck
327 # -------------------------------------------------------------------------------------
328 if cc.has_function('getpid')
329 cdata.set('HAVE_GETPID', 1)
330 elif host_system == 'windows' and cc.has_function('_getpid')
331 cdata.set('HAVE_PROCESS_H', 1) # Used by gstreamer too
332 cdata.set('HAVE__GETPID', 1)
334 if cc.has_function('strdup')
335 cdata.set('HAVE_DECL_STRDUP', 1)
336 elif host_system == 'windows' and cc.has_function('_strdup')
337 cdata.set('HAVE__STRDUP', 1) # Windows (MSVC)
339 if host_system != 'windows'
340 cdata.set('HAVE_FORK', 1)
342 # libcheck requires HAVE_FORK to be 0 when fork() is not available
343 cdata.set('HAVE_FORK', 0)
345 if cc.has_function('strsignal')
346 cdata.set('HAVE_DECL_STRSIGNAL', 1)
348 # Check for availability of types
349 if not cc.has_type('clockid_t', prefix : '#include <time.h>')
350 cdata.set('clockid_t', 'int')
352 if not cc.has_type('timer_t', prefix : '#include <time.h>')
353 cdata.set('timer_t', 'int')
355 if not cc.has_members('struct timespec', 'tv_sec', 'tv_nsec',
356 prefix : '#include <time.h>')
357 cdata.set('STRUCT_TIMESPEC_DEFINITION_MISSING', 1)
359 if not cc.has_members('struct itimerspec', 'it_interval', 'it_value',
360 prefix : '#include <time.h>')
361 cdata.set('STRUCT_ITIMERSPEC_DEFINITION_MISSING', 1)
364 # Platform deps; only ws2_32 and execinfo for now
366 if host_system == 'windows'
367 platform_deps = [cc.find_library('ws2_32')]
371 unwind_dep = dependency('libunwind', required : get_option('libunwind'))
372 dw_dep = dependency('libdw', required: get_option('libdw'))
373 dbghelp_dep = dependency('DbgHelp', required : get_option('dbghelp'))
374 backtrace_deps = [unwind_dep, dw_dep, dbghelp_dep]
375 backtrace_source_info = false
376 backtrace_minimal = false
377 # MSVC debug stack trace support
378 if host_system == 'windows' and dbghelp_dep.found()
379 cdata.set('HAVE_DBGHELP', 1)
380 backtrace_source_info = true
381 # DWARF stack trace support with libunwind and elf-utils
382 elif unwind_dep.found()
383 cdata.set('HAVE_UNWIND', 1)
385 cdata.set('HAVE_DW', 1)
386 backtrace_source_info = true
388 backtrace_minimal = true
389 # Basic backtrace() stack trace support
390 elif cc.has_function('backtrace')
391 cdata.set('HAVE_BACKTRACE', 1)
392 backtrace_minimal = true
394 # Print messages about what was enabled
395 if not backtrace_source_info
396 if not backtrace_minimal
397 message('NO support for stack traces.')
399 message('Minimal support for stack traces, no source info.')
403 if cc.has_header('execinfo.h')
404 if cc.has_function('backtrace', prefix : '#include <execinfo.h>')
405 cdata.set('HAVE_BACKTRACE', 1)
407 execinfo_dep = cc.find_library('execinfo', required : false)
408 if execinfo_dep.found() and cc.has_function('backtrace', prefix : '#include <execinfo.h>', dependencies : execinfo_dep)
409 cdata.set('HAVE_BACKTRACE', 1)
410 platform_deps += execinfo_dep
415 gst_debug = get_option('gst_debug')
417 add_project_arguments(['-Wno-unused'], language: 'c')
421 '-Wmissing-declarations',
422 '-Wmissing-prototypes',
427 '-Wformat-nonliteral',
429 '-Wold-style-definition',
431 '-Wmissing-include-dirs',
433 '-Waggregate-return',
435 '-Wdeclaration-after-statement',
440 foreach extra_arg : warning_flags
441 if cc.has_argument (extra_arg)
442 add_project_arguments([extra_arg], language: 'c')
446 # Used by the gstutils test
447 gmp_dep = cc.find_library('gmp', required : false)
448 cdata.set('HAVE_GMP', gmp_dep.found())
449 gsl_dep = cc.find_library('gsl', required : false)
450 gslcblas_dep = cc.find_library('gslcblas', required : false)
451 cdata.set('HAVE_GSL', gsl_dep.found() and gslcblas_dep.found())
452 test_deps = [gmp_dep, gsl_dep, gslcblas_dep]
455 dl_dep = cc.find_library('dl', required : false)
456 cdata.set('HAVE_DLADDR', cc.has_function('dladdr', dependencies : dl_dep))
457 cdata.set('GST_ENABLE_EXTRA_CHECKS', not get_option('extra-checks').disabled())
458 cdata.set('USE_POISONING', get_option('poisoning'))
460 configinc = include_directories('.')
461 libsinc = include_directories('libs')
462 privinc = include_directories('gst')
465 glib_dep = dependency('glib-2.0', version : '>=2.44.0',
466 fallback: ['glib', 'libglib_dep'])
467 gobject_dep = dependency('gobject-2.0',
468 fallback: ['glib', 'libgobject_dep'])
469 gmodule_dep = dependency('gmodule-2.0',
470 fallback: ['glib', 'libgmodule_dep'])
471 if host_system == 'windows'
472 gio_dep = dependency('gio-2.0',
473 fallback: ['glib', 'libgio_dep'])
475 gio_dep = [dependency('gio-2.0',
476 fallback: ['glib', 'libgio_dep']),
477 dependency('gio-unix-2.0',
478 fallback: ['glib', 'libgio_dep'])]
481 mathlib = cc.find_library('m', required : false)
482 # Needed for timer_create/settime/delete
483 # Also provides clock_gettime in glibc < 2.17
484 rt_lib = cc.find_library('rt', required : false)
486 gir = find_program('g-ir-scanner', required : get_option('introspection'))
487 gnome = import('gnome')
489 build_gir = gir.found() and (not meson.is_cross_build() or get_option('introspection').enabled())
491 gir_init_section = [ '--add-init-section=extern void gst_init(gint*,gchar**);' + \
492 'g_setenv("GST_REGISTRY_DISABLE", "yes", TRUE);' + \
493 'g_setenv("GST_REGISTRY_1.0", "/no/way/this/exists.reg", TRUE);' + \
494 'g_setenv("GST_PLUGIN_PATH_1_0", "", TRUE);' + \
495 'g_setenv("GST_PLUGIN_SYSTEM_PATH_1_0", "", TRUE);' + \
496 'gst_init(NULL,NULL);', '--quiet']
498 gst_c_args = ['-DHAVE_CONFIG_H']
500 # FIXME: This is only needed on windows and probably breaks when
501 # default_library = 'both'. We should add this flag to static_c_args instead
502 # when Meson supports it: https://github.com/mesonbuild/meson/issues/3304
503 if get_option('default_library') == 'static'
504 gst_c_args += ['-DGST_STATIC_COMPILATION']
507 # Used in gst/parse/meson.build and below
508 python3 = import('python').find_installation()
510 bashcomp_option = get_option('bash-completion')
511 bashcomp_dep = dependency('bash-completion', version : '>= 2.0', required : bashcomp_option)
512 bash_completions_dir = ''
513 bash_helpers_dir = ''
515 bashcomp_found = false
516 if bashcomp_dep.found()
517 bashcomp_found = true
518 bashcomp_dir_override = bashcomp_dep.version().version_compare('>= 2.10') ? ['datadir', datadir] : ['prefix', prefix]
519 bash_completions_dir = bashcomp_dep.get_pkgconfig_variable('completionsdir', define_variable: bashcomp_dir_override)
520 if bash_completions_dir == ''
521 msg = 'Found bash-completion but the .pc file did not set \'completionsdir\'.'
522 if bashcomp_option.enabled()
527 bashcomp_found = false
530 bash_helpers_dir = bashcomp_dep.get_pkgconfig_variable('helpersdir', define_variable: bashcomp_dir_override)
531 if bash_helpers_dir == ''
532 msg = 'Found bash-completion, but the .pc file did not set \'helpersdir\'.'
533 if bashcomp_option.enabled()
538 bashcomp_found = false
542 plugins_install_dir = join_paths(get_option('libdir'), 'gstreamer-1.0')
544 pkgconfig = import('pkgconfig')
545 plugins_pkgconfig_install_dir = join_paths(plugins_install_dir, 'pkgconfig')
546 if get_option('default_library') == 'shared'
547 # If we don't build static plugins there is no need to generate pc files
548 plugins_pkgconfig_install_dir = disabler()
554 if not get_option('tools').disabled()
562 # xgettext is optional (on Windows for instance)
563 if find_program('xgettext', required : get_option('nls')).found()
564 cdata.set('ENABLE_NLS', 1)
568 configure_file(output : 'config.h', configuration : cdata)
569 run_command(python3, '-c', 'import shutil; shutil.copy("hooks/pre-commit.hook", ".git/hooks/pre-commit")')
570 install_data('gst-element-check-1.0.m4', install_dir : join_paths(get_option('datadir'), 'aclocal'))