1 project('gstreamer', 'c',
3 meson_version : '>= 0.47',
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 # Ignore several spurious warnings for things gstreamer does very commonly
37 # If a warning is completely useless and spammy, use '/wdXXXX' to suppress it
38 # If a warning is harmless but hard to fix, use '/woXXXX' so it's shown once
39 # NOTE: Only add warnings here if you are sure they're spurious
40 if cc.get_id() == 'msvc'
41 add_project_arguments(
42 '/wd4018', # implicit signed/unsigned conversion
43 '/wd4146', # unary minus on unsigned (beware INT_MIN)
44 '/wd4244', # lossy type conversion (e.g. double -> int)
45 '/wd4305', # truncating type conversion (e.g. double -> float)
47 elif cc.has_link_argument('-Wl,-Bsymbolic-functions')
48 # FIXME: Add an option for this if people ask for it
49 add_project_link_arguments('-Wl,-Bsymbolic-functions', language : 'c')
53 have_visibility_hidden = cc.has_argument('-fvisibility=hidden')
54 if have_visibility_hidden
55 add_project_arguments('-fvisibility=hidden', language: 'c')
58 # Disable strict aliasing
59 if cc.has_argument('-fno-strict-aliasing')
60 add_project_arguments('-fno-strict-aliasing', language: 'c')
63 # Define G_DISABLE_DEPRECATED for development versions
65 message('Disabling deprecated GLib API')
66 add_project_arguments('-DG_DISABLE_DEPRECATED', language: 'c')
69 cast_checks = get_option('gobject-cast-checks')
70 if cast_checks.disabled() or (cast_checks.auto() and not gst_version_is_dev)
71 message('Disabling GLib cast checks')
72 add_project_arguments('-DG_DISABLE_CAST_CHECKS', language: 'c')
75 glib_asserts = get_option('glib-asserts')
76 if glib_asserts.disabled() or (glib_asserts.auto() and not gst_version_is_dev)
77 message('Disabling GLib asserts')
78 add_project_arguments('-DG_DISABLE_ASSERT', language: 'c')
81 glib_checks = get_option('glib-checks')
82 if glib_checks.disabled() or (glib_checks.auto() and not gst_version_is_dev)
83 message('Disabling GLib checks')
84 add_project_arguments('-DG_DISABLE_CHECKS', language: 'c')
87 cdata = configuration_data()
88 cdata.set_quoted('GST_API_VERSION', apiversion)
89 cdata.set_quoted('GST_DATADIR', join_paths(prefix, get_option('datadir')))
90 cdata.set_quoted('LOCALEDIR', join_paths(prefix, get_option('localedir')))
91 cdata.set_quoted('LIBDIR', join_paths(prefix, get_option('libdir')))
92 cdata.set_quoted('GST_API_VERSION', '1.0')
93 cdata.set_quoted('GETTEXT_PACKAGE', 'gstreamer-1.0')
94 cdata.set_quoted('GST_LICENSE', 'LGPL')
95 cdata.set_quoted('PACKAGE', 'gstreamer')
96 cdata.set_quoted('PACKAGE_NAME', 'GStreamer')
97 cdata.set_quoted('PACKAGE_STRING', 'GStreamer @0@'.format(gst_version))
98 cdata.set_quoted('PACKAGE_TARNAME', 'gstreamer')
99 cdata.set_quoted('PACKAGE_BUGREPORT', 'http://bugzilla.gnome.org/enter_bug.cgi?product=GStreamer')
100 cdata.set_quoted('PACKAGE_URL', '')
101 cdata.set_quoted('PACKAGE_VERSION', gst_version)
102 cdata.set_quoted('PLUGINDIR', join_paths(get_option('prefix'), get_option('libdir'), 'gstreamer-1.0'))
103 cdata.set_quoted('VERSION', gst_version)
104 cdata.set_quoted('GST_PLUGIN_SCANNER_INSTALLED', join_paths(prefix, helpers_install_dir, 'gst-plugin-scanner'))
105 cdata.set_quoted('GST_PTP_HELPER_INSTALLED', join_paths(prefix, helpers_install_dir, 'gst-ptp-helper'))
106 cdata.set_quoted('GST_PLUGIN_SCANNER_SUBDIR', libexecdir,
107 description: 'libexecdir path component, used to find plugin-scanner on relocatable builds on windows')
108 cdata.set('GST_DISABLE_OPTION_PARSING', not get_option('option-parsing'))
110 mem_align_opt = get_option('memory-alignment')
111 if mem_align_opt == 'malloc'
112 cdata.set('MEMORY_ALIGNMENT_MALLOC', 1)
113 elif mem_align_opt == 'pagesize'
114 cdata.set('MEMORY_ALIGNMENT_PAGESIZE', 1)
116 cdata.set('MEMORY_ALIGNMENT', mem_align_opt.to_int())
119 if ['darwin', 'ios'].contains(host_system)
120 cdata.set_quoted('GST_EXTRA_MODULE_SUFFIX', '.dylib')
123 if gst_version_nano > 0
124 # Have GST_ERROR message printed when running from git
125 cdata.set('GST_LEVEL_DEFAULT', 'GST_LEVEL_ERROR')
127 cdata.set('GST_LEVEL_DEFAULT', 'GST_LEVEL_NONE')
130 # GStreamer package name and origin url
131 gst_package_name = get_option('package-name')
132 if gst_package_name == ''
133 if gst_version_nano == 0
134 gst_package_name = 'GStreamer source release'
135 elif gst_version_nano == 1
136 gst_package_name = 'GStreamer git'
138 gst_package_name = 'GStreamer prerelease'
141 cdata.set_quoted('GST_PACKAGE_NAME', gst_package_name)
142 cdata.set_quoted('GST_PACKAGE_ORIGIN', get_option('package-origin'))
144 # These are only needed/used by the ABI tests
146 [ 'x86', 'HAVE_CPU_I386' ],
147 [ 'x86_64', 'HAVE_CPU_X86_64' ],
148 [ 'arm', 'HAVE_CPU_ARM' ],
149 [ 'aarch64', 'HAVE_CPU_AARCH64' ],
150 [ 'mips', 'HAVE_CPU_MIPS' ],
151 [ 'powerpc', 'HAVE_CPU_PPC' ],
152 [ 'powerpc64', 'HAVE_CPU_PPC64' ],
153 [ 'alpha', 'HAVE_CPU_ALPHA' ],
154 [ 'sparc', 'HAVE_CPU_SPARC' ],
155 [ 'ia64', 'HAVE_CPU_IA64' ],
156 [ 'hppa', 'HAVE_CPU_HPPA' ],
157 [ 'm68k', 'HAVE_CPU_M68K' ],
158 [ 's390', 'HAVE_CPU_S390' ],
160 foreach h : host_defines
161 if h.get(0) == host_machine.cpu()
162 cdata.set(h.get(1), 1)
165 # FIXME: should really be called HOST_CPU or such
166 cdata.set_quoted('TARGET_CPU', host_machine.cpu())
189 'valgrind/valgrind.h',
193 if host_system == 'windows'
194 check_headers += ['winsock2.h']
197 foreach h : check_headers
199 define = 'HAVE_' + h.underscorify().to_upper()
204 if cc.has_member('struct tm', 'tm_gmtoff', prefix : '#include <time.h>')
205 cdata.set('HAVE_TM_GMTOFF', 1)
219 # These are needed by libcheck
226 foreach f : check_functions
227 if cc.has_function(f)
228 define = 'HAVE_' + f.underscorify().to_upper()
233 if cc.has_function('localtime_r', prefix : '#include<time.h>')
234 cdata.set('HAVE_LOCALTIME_R', 1)
236 cdata.set('HAVE_DECL_LOCALTIME_R', 1)
239 if cc.links('''#include <pthread.h>
241 pthread_setname_np("example"); return 0;
242 }''', name : 'pthread_setname_np(const char*)')
243 cdata.set('HAVE_PTHREAD_SETNAME_NP_WITHOUT_TID', 1)
246 # Check for posix timers and the monotonic clock
247 time_prefix = '#include <time.h>\n'
248 if cdata.has('HAVE_UNISTD_H')
249 time_prefix += '#include <unistd.h>'
252 posix_timers_src = time_prefix + '''
253 #if !defined(_POSIX_TIMERS) || _POSIX_TIMERS < 0 || !defined(CLOCK_REALTIME)
254 #error Either _POSIX_TIMERS or CLOCK_REALTIME not defined
257 if cc.compiles(posix_timers_src, name : 'posix timers from time.h')
258 cdata.set('HAVE_POSIX_TIMERS', 1)
261 monotonic_clock_src = time_prefix + '''
262 #if !defined(_POSIX_MONOTONIC_CLOCK) || _POSIX_MONOTONIC_CLOCK < 0 || !defined(CLOCK_MONOTONIC)
263 #error Either _POSIX_MONOTONIC_CLOCK or CLOCK_MONOTONIC not defined
266 if cc.compiles(monotonic_clock_src, name : 'monotonic clock from time.h')
267 cdata.set('HAVE_MONOTONIC_CLOCK', 1)
270 # Check for __uint128_t (gcc) by checking for 128-bit division
271 uint128_t_src = '''int main() {
272 static __uint128_t v1 = 100;
273 static __uint128_t v2 = 10;
274 static __uint128_t u;
277 if cc.compiles(uint128_t_src, name : '__uint128_t available')
278 cdata.set('HAVE_UINT128_T', 1)
281 # All supported platforms have long long now
282 cdata.set('HAVE_LONG_LONG', 1)
284 # We only want to use the __declspec(dllexport/import) dance in GST_EXPORT when
286 if cc.get_id() == 'msvc'
287 cdata.set('GSTCONFIG_BUILT_WITH_MSVC', 1)
289 cdata.set('GSTCONFIG_BUILT_WITH_MSVC', 0)
292 # -------------------------------------------------------------------------------------
293 # config.h things needed by libcheck
294 # -------------------------------------------------------------------------------------
295 if cc.has_function('getpid')
296 cdata.set('HAVE_GETPID', 1)
297 elif host_system == 'windows' and cc.has_function('_getpid')
298 cdata.set('HAVE_PROCESS_H', 1) # Used by gstreamer too
299 cdata.set('HAVE__GETPID', 1)
301 if cc.has_function('strdup')
302 cdata.set('HAVE_DECL_STRDUP', 1)
303 elif host_system == 'windows' and cc.has_function('_strdup')
304 cdata.set('HAVE__STRDUP', 1) # Windows (MSVC)
306 if host_system != 'windows'
307 cdata.set('HAVE_FORK', 1)
309 # libcheck requires HAVE_FORK to be 0 when fork() is not available
310 cdata.set('HAVE_FORK', 0)
312 if cc.has_function('strsignal')
313 cdata.set('HAVE_DECL_STRSIGNAL', 1)
315 # Check for availability of types
316 if not cc.has_type('clockid_t', prefix : '#include <time.h>')
317 cdata.set('clockid_t', 'int')
319 if not cc.has_type('timer_t', prefix : '#include <time.h>')
320 cdata.set('timer_t', 'int')
322 if not cc.has_members('struct timespec', 'tv_sec', 'tv_nsec',
323 prefix : '#include <time.h>')
324 cdata.set('STRUCT_TIMESPEC_DEFINITION_MISSING', 1)
326 if not cc.has_members('struct itimerspec', 'it_interval', 'it_value',
327 prefix : '#include <time.h>')
328 cdata.set('STRUCT_ITIMERSPEC_DEFINITION_MISSING', 1)
331 # Platform deps; only ws2_32 and execinfo for now
333 if host_system == 'windows'
334 platform_deps = [cc.find_library('ws2_32')]
338 unwind_dep = dependency('libunwind', required : get_option('libunwind'))
339 dw_dep = dependency('libdw', required: get_option('libunwind'))
340 backtrace_deps = [unwind_dep, dw_dep]
341 if unwind_dep.found()
342 cdata.set('HAVE_UNWIND', 1)
344 cdata.set('HAVE_DW', 1)
346 message('Support for backtraces is partial only.')
349 if cc.has_function('backtrace')
350 cdata.set('HAVE_BACKTRACE', 1)
352 message('NO backtraces support.')
356 if cc.has_header('execinfo.h')
357 if cc.has_function('backtrace', prefix : '#include <execinfo.h>')
358 cdata.set('HAVE_BACKTRACE', 1)
360 execinfo_dep = cc.find_library('execinfo', required : false)
361 if execinfo_dep.found() and cc.has_function('backtrace', prefix : '#include <execinfo.h>', dependencies : execinfo_dep)
362 cdata.set('HAVE_BACKTRACE', 1)
363 platform_deps += execinfo_dep
368 gst_debug = get_option('gst_debug')
370 add_project_arguments(['-Wno-unused'], language: 'c')
374 '-Wmissing-declarations',
375 '-Wmissing-prototypes',
380 '-Wformat-nonliteral',
382 '-Wold-style-definition',
384 '-Wmissing-include-dirs',
386 '-Waggregate-return',
389 '-Wdeclaration-after-statement',
394 foreach extra_arg : warning_flags
395 if cc.has_argument (extra_arg)
396 add_project_arguments([extra_arg], language: 'c')
400 # Used by the gstutils test
401 gmp_dep = cc.find_library('gmp', required : false)
402 cdata.set('HAVE_GMP', gmp_dep.found())
403 gsl_dep = cc.find_library('gsl', required : false)
404 gslcblas_dep = cc.find_library('gslcblas', required : false)
405 cdata.set('HAVE_GSL', gsl_dep.found() and gslcblas_dep.found())
406 test_deps = [gmp_dep, gsl_dep, gslcblas_dep]
409 dl_dep = cc.find_library('dl', required : false)
410 cdata.set('HAVE_DLADDR', cc.has_function('dladdr', dependencies : dl_dep))
411 cdata.set('GST_ENABLE_EXTRA_CHECKS', get_option('extra-checks'))
412 cdata.set('USE_POISONING', get_option('poisoning'))
414 configinc = include_directories('.')
415 libsinc = include_directories('libs')
416 privinc = include_directories('gst')
419 glib_dep = dependency('glib-2.0', version : '>=2.32.0',
420 fallback: ['glib', 'libglib_dep'])
421 gobject_dep = dependency('gobject-2.0',
422 fallback: ['glib', 'libgobject_dep'])
423 gmodule_dep = dependency('gmodule-2.0',
424 fallback: ['glib', 'libgmodule_dep'])
425 if host_system == 'windows'
426 gio_dep = dependency('gio-2.0',
427 fallback: ['glib', 'libgio_dep'])
429 gio_dep = [dependency('gio-2.0',
430 fallback: ['glib', 'libgio_dep']),
431 dependency('gio-unix-2.0',
432 fallback: ['glib', 'libgio_dep'])]
435 mathlib = cc.find_library('m', required : false)
436 # Needed for timer_create/settime/delete
437 # Also provides clock_gettime in glibc < 2.17
438 rt_lib = cc.find_library('rt', required : false)
440 gir = find_program('g-ir-scanner', required : get_option('introspection'))
441 gnome = import('gnome')
443 build_gir = gir.found() and not meson.is_cross_build()
445 gir_init_section = [ '--add-init-section=extern void gst_init(gint*,gchar**);' + \
446 'g_setenv("GST_REGISTRY_DISABLE", "yes", TRUE);' + \
447 'g_setenv("GST_REGISTRY_1.0", "/no/way/this/exists.reg", TRUE);' + \
448 'g_setenv("GST_PLUGIN_PATH_1_0", "", TRUE);' + \
449 'g_setenv("GST_PLUGIN_SYSTEM_PATH_1_0", "", TRUE);' + \
450 'gst_init(NULL,NULL);' ]
452 gst_c_args = ['-DHAVE_CONFIG_H']
454 # FIXME: This is only needed on windows and probably breaks when
455 # default_library = 'both'. We should add this flag to static_c_args instead
456 # when Meson supports it: https://github.com/mesonbuild/meson/issues/3304
457 if get_option('default_library') == 'static'
458 gst_c_args += ['-DGST_STATIC_COMPILATION']
461 # Used in gst/parse/meson.build and below
462 python3 = import('python3').find_python()
464 bashcomp_option = get_option('bash-completion')
465 bashcomp_dep = dependency('bash-completion', version : '>= 2.0', required : bashcomp_option)
466 bash_completions_dir = ''
467 bash_helpers_dir = ''
469 bashcomp_found = false
470 if bashcomp_dep.found()
471 bashcomp_found = true
472 bash_completions_dir = bashcomp_dep.get_pkgconfig_variable('completionsdir', define_variable: ['prefix', '.'])
473 if bash_completions_dir == ''
474 msg = 'Found bash-completion but the .pc file did not set \'completionsdir\'.'
475 if bashcomp_option.enabled()
480 bashcomp_found = false
483 bash_helpers_dir = bashcomp_dep.get_pkgconfig_variable('helpersdir', define_variable: ['prefix', '.'])
484 if bash_helpers_dir == ''
485 msg = 'Found bash-completion, but the .pc file did not set \'helpersdir\'.'
486 if bashcomp_option.enabled()
491 bashcomp_found = false
498 if not get_option('tools').disabled()
505 # xgettext is optional (on Windows for instance)
506 if find_program('xgettext', required : get_option('nls')).found()
507 cdata.set('ENABLE_NLS', 1)
511 configure_file(output : 'config.h', configuration : cdata)
513 if build_machine.system() == 'windows'
514 message('Disabling gtk-doc while building on Windows')
516 if find_program('gtkdoc-scan', required : get_option('gtk_doc')).found()
519 message('Not building documentation as gtk-doc was not found')
523 run_command(python3, '-c', 'import shutil; shutil.copy("hooks/pre-commit.hook", ".git/hooks/pre-commit")')
525 install_data('gst-element-check-1.0.m4', install_dir : join_paths(get_option('datadir'), 'aclocal'))