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 libversion = '@0@.@1@.0'.format(soversion, gst_version_minor * 100 + gst_version_micro)
27 prefix = get_option('prefix')
29 libexecdir = get_option('libexecdir')
30 helpers_install_dir = join_paths(libexecdir, 'gstreamer-1.0')
32 cc = meson.get_compiler('c')
34 # Ignore several spurious warnings for things gstreamer does very commonly
35 # If a warning is completely useless and spammy, use '/wdXXXX' to suppress it
36 # If a warning is harmless but hard to fix, use '/woXXXX' so it's shown once
37 # NOTE: Only add warnings here if you are sure they're spurious
38 if cc.get_id() == 'msvc'
39 add_project_arguments(
40 '/wd4018', # implicit signed/unsigned conversion
41 '/wd4146', # unary minus on unsigned (beware INT_MIN)
42 '/wd4244', # lossy type conversion (e.g. double -> int)
43 '/wd4305', # truncating type conversion (e.g. double -> float)
45 elif cc.has_link_argument('-Wl,-Bsymbolic-functions')
46 # FIXME: Add an option for this if people ask for it
47 add_project_link_arguments('-Wl,-Bsymbolic-functions', language : 'c')
51 have_visibility_hidden = cc.has_argument('-fvisibility=hidden')
52 if have_visibility_hidden
53 add_project_arguments('-fvisibility=hidden', language: 'c')
56 # Disable strict aliasing
57 if cc.has_argument('-fno-strict-aliasing')
58 add_project_arguments('-fno-strict-aliasing', language: 'c')
61 # Define G_DISABLE_DEPRECATED for development versions
63 message('Disabling deprecated GLib API')
64 add_project_arguments('-DG_DISABLE_DEPRECATED', language: 'c')
67 cast_checks = get_option('gobject-cast-checks')
68 if cast_checks.disabled() or (cast_checks.auto() and not gst_version_is_dev)
69 message('Disabling GLib cast checks')
70 add_project_arguments('-DG_DISABLE_CAST_CHECKS', language: 'c')
73 glib_asserts = get_option('glib-asserts')
74 if glib_asserts.disabled() or (glib_asserts.auto() and not gst_version_is_dev)
75 message('Disabling GLib asserts')
76 add_project_arguments('-DG_DISABLE_ASSERT', language: 'c')
79 cdata = configuration_data()
80 cdata.set_quoted('GST_API_VERSION', apiversion)
81 cdata.set_quoted('GST_DATADIR', join_paths(prefix, get_option('datadir')))
82 cdata.set_quoted('LOCALEDIR', join_paths(prefix, get_option('localedir')))
83 cdata.set_quoted('LIBDIR', join_paths(prefix, get_option('libdir')))
84 cdata.set_quoted('GST_API_VERSION', '1.0')
85 cdata.set_quoted('GETTEXT_PACKAGE', 'gstreamer-1.0')
86 cdata.set_quoted('GST_LICENSE', 'LGPL')
87 cdata.set_quoted('PACKAGE', 'gstreamer')
88 cdata.set_quoted('PACKAGE_NAME', 'GStreamer')
89 cdata.set_quoted('PACKAGE_STRING', 'GStreamer @0@'.format(gst_version))
90 cdata.set_quoted('PACKAGE_TARNAME', 'gstreamer')
91 cdata.set_quoted('PACKAGE_BUGREPORT', 'http://bugzilla.gnome.org/enter_bug.cgi?product=GStreamer')
92 cdata.set_quoted('PACKAGE_URL', '')
93 cdata.set_quoted('PACKAGE_VERSION', gst_version)
94 cdata.set_quoted('PLUGINDIR', join_paths(get_option('prefix'), get_option('libdir'), 'gstreamer-1.0'))
95 cdata.set_quoted('VERSION', gst_version)
96 cdata.set_quoted('GST_PLUGIN_SCANNER_INSTALLED', join_paths(prefix, helpers_install_dir, 'gst-plugin-scanner'))
97 cdata.set_quoted('GST_PTP_HELPER_INSTALLED', join_paths(prefix, helpers_install_dir, 'gst-ptp-helper'))
98 cdata.set_quoted('GST_PLUGIN_SCANNER_SUBDIR', libexecdir,
99 description: 'libexecdir path component, used to find plugin-scanner on relocatable builds on windows')
100 cdata.set('GST_DISABLE_OPTION_PARSING', not get_option('option-parsing'))
102 mem_align_opt = get_option('memory-alignment')
103 if mem_align_opt == 'malloc'
104 cdata.set('MEMORY_ALIGNMENT_MALLOC', 1)
105 elif mem_align_opt == 'pagesize'
106 cdata.set('MEMORY_ALIGNMENT_PAGESIZE', 1)
108 cdata.set('MEMORY_ALIGNMENT', mem_align_opt.to_int())
111 if host_system == 'darwin'
112 cdata.set_quoted('GST_EXTRA_MODULE_SUFFIX', '.dylib')
115 if gst_version_nano > 0
116 # Have GST_ERROR message printed when running from git
117 cdata.set('GST_LEVEL_DEFAULT', 'GST_LEVEL_ERROR')
119 cdata.set('GST_LEVEL_DEFAULT', 'GST_LEVEL_NONE')
122 # GStreamer package name and origin url
123 gst_package_name = get_option('package-name')
124 if gst_package_name == ''
125 if gst_version_nano == 0
126 gst_package_name = 'GStreamer source release'
127 elif gst_version_nano == 1
128 gst_package_name = 'GStreamer git'
130 gst_package_name = 'GStreamer prerelease'
133 cdata.set_quoted('GST_PACKAGE_NAME', gst_package_name)
134 cdata.set_quoted('GST_PACKAGE_ORIGIN', get_option('package-origin'))
136 # These are only needed/used by the ABI tests
138 [ 'x86', 'HAVE_CPU_I386' ],
139 [ 'x86_64', 'HAVE_CPU_X86_64' ],
140 [ 'arm', 'HAVE_CPU_ARM' ],
141 [ 'aarch64', 'HAVE_CPU_AARCH64' ],
142 [ 'mips', 'HAVE_CPU_MIPS' ],
143 [ 'powerpc', 'HAVE_CPU_PPC' ],
144 [ 'powerpc64', 'HAVE_CPU_PPC64' ],
145 [ 'alpha', 'HAVE_CPU_ALPHA' ],
146 [ 'sparc', 'HAVE_CPU_SPARC' ],
147 [ 'ia64', 'HAVE_CPU_IA64' ],
148 [ 'hppa', 'HAVE_CPU_HPPA' ],
149 [ 'm68k', 'HAVE_CPU_M68K' ],
150 [ 's390', 'HAVE_CPU_S390' ],
152 foreach h : host_defines
153 if h.get(0) == host_machine.cpu()
154 cdata.set(h.get(1), 1)
157 # FIXME: should really be called HOST_CPU or such
158 cdata.set_quoted('TARGET_CPU', host_machine.cpu())
181 'valgrind/valgrind.h',
185 if host_system == 'windows'
186 check_headers += ['winsock2.h']
189 foreach h : check_headers
191 define = 'HAVE_' + h.underscorify().to_upper()
196 if cc.has_member('struct tm', 'tm_gmtoff', prefix : '#include <time.h>')
197 cdata.set('HAVE_TM_GMTOFF', 1)
211 # These are needed by libcheck
218 foreach f : check_functions
219 if cc.has_function(f)
220 define = 'HAVE_' + f.underscorify().to_upper()
225 if cc.has_function('localtime_r', prefix : '#include<time.h>')
226 cdata.set('HAVE_LOCALTIME_R', 1)
228 cdata.set('HAVE_DECL_LOCALTIME_R', 1)
231 if cc.links('''#include <pthread.h>
233 pthread_setname_np("example"); return 0;
234 }''', name : 'pthread_setname_np(const char*)')
235 cdata.set('HAVE_PTHREAD_SETNAME_NP_WITHOUT_TID', 1)
238 # Check for posix timers and the monotonic clock
239 time_prefix = '#include <time.h>\n'
240 if cdata.has('HAVE_UNISTD_H')
241 time_prefix += '#include <unistd.h>'
244 posix_timers_src = time_prefix + '''
245 #if !defined(_POSIX_TIMERS) || _POSIX_TIMERS < 0 || !defined(CLOCK_REALTIME)
246 #error Either _POSIX_TIMERS or CLOCK_REALTIME not defined
249 if cc.compiles(posix_timers_src, name : 'posix timers from time.h')
250 cdata.set('HAVE_POSIX_TIMERS', 1)
253 monotonic_clock_src = time_prefix + '''
254 #if !defined(_POSIX_MONOTONIC_CLOCK) || _POSIX_MONOTONIC_CLOCK < 0 || !defined(CLOCK_MONOTONIC)
255 #error Either _POSIX_MONOTONIC_CLOCK or CLOCK_MONOTONIC not defined
258 if cc.compiles(monotonic_clock_src, name : 'monotonic clock from time.h')
259 cdata.set('HAVE_MONOTONIC_CLOCK', 1)
262 # Check for __uint128_t (gcc) by checking for 128-bit division
263 uint128_t_src = '''int main() {
264 static __uint128_t v1 = 100;
265 static __uint128_t v2 = 10;
266 static __uint128_t u;
269 if cc.compiles(uint128_t_src, name : '__uint128_t available')
270 cdata.set('HAVE_UINT128_T', 1)
273 # All supported platforms have long long now
274 cdata.set('HAVE_LONG_LONG', 1)
276 # We only want to use the __declspec(dllexport/import) dance in GST_EXPORT when
278 if cc.get_id() == 'msvc'
279 cdata.set('GSTCONFIG_BUILT_WITH_MSVC', 1)
281 cdata.set('GSTCONFIG_BUILT_WITH_MSVC', 0)
284 # -------------------------------------------------------------------------------------
285 # config.h things needed by libcheck
286 # -------------------------------------------------------------------------------------
287 if cc.has_function('getpid')
288 cdata.set('HAVE_GETPID', 1)
289 elif host_system == 'windows' and cc.has_function('_getpid')
290 cdata.set('HAVE_PROCESS_H', 1) # Used by gstreamer too
291 cdata.set('HAVE__GETPID', 1)
293 if cc.has_function('strdup')
294 cdata.set('HAVE_DECL_STRDUP', 1)
295 elif host_system == 'windows' and cc.has_function('_strdup')
296 cdata.set('HAVE__STRDUP', 1) # Windows (MSVC)
298 if host_system != 'windows'
299 cdata.set('HAVE_FORK', 1)
301 # libcheck requires HAVE_FORK to be 0 when fork() is not available
302 cdata.set('HAVE_FORK', 0)
304 if cc.has_function('strsignal')
305 cdata.set('HAVE_DECL_STRSIGNAL', 1)
307 # Check for availability of types
308 if not cc.has_type('clockid_t', prefix : '#include <time.h>')
309 cdata.set('clockid_t', 'int')
311 if not cc.has_type('timer_t', prefix : '#include <time.h>')
312 cdata.set('timer_t', 'int')
314 if not cc.has_members('struct timespec', 'tv_sec', 'tv_nsec',
315 prefix : '#include <time.h>')
316 cdata.set('STRUCT_TIMESPEC_DEFINITION_MISSING', 1)
318 if not cc.has_members('struct itimerspec', 'it_interval', 'it_value',
319 prefix : '#include <time.h>')
320 cdata.set('STRUCT_ITIMERSPEC_DEFINITION_MISSING', 1)
323 # Platform deps; only ws2_32 and execinfo for now
325 if host_system == 'windows'
326 platform_deps = [cc.find_library('ws2_32')]
330 unwind_dep = dependency('libunwind', required : get_option('libunwind'))
331 dw_dep = dependency('libdw', required: get_option('libunwind'))
332 backtrace_deps = [unwind_dep, dw_dep]
333 if unwind_dep.found()
334 cdata.set('HAVE_UNWIND', 1)
336 cdata.set('HAVE_DW', 1)
338 message('Support for backtraces is partial only.')
341 if cc.has_function('backtrace')
342 cdata.set('HAVE_BACKTRACE', 1)
344 message('NO backtraces support.')
348 if cc.has_header('execinfo.h')
349 if cc.has_function('backtrace', prefix : '#include <execinfo.h>')
350 cdata.set('HAVE_BACKTRACE', 1)
352 execinfo_dep = cc.find_library('execinfo', required : false)
353 if execinfo_dep.found() and cc.has_function('backtrace', prefix : '#include <execinfo.h>', dependencies : execinfo_dep)
354 cdata.set('HAVE_BACKTRACE', 1)
355 platform_deps += execinfo_dep
360 gst_debug = get_option('gst_debug')
362 add_project_arguments(['-Wno-unused'], language: 'c')
366 '-Wmissing-declarations',
367 '-Wmissing-prototypes',
372 '-Wformat-nonliteral',
374 '-Wold-style-definition',
376 '-Wmissing-include-dirs',
378 '-Waggregate-return',
381 '-Wdeclaration-after-statement',
386 foreach extra_arg : warning_flags
387 if cc.has_argument (extra_arg)
388 add_project_arguments([extra_arg], language: 'c')
392 # Used by the gstutils test
393 gmp_dep = cc.find_library('gmp', required : false)
394 cdata.set('HAVE_GMP', gmp_dep.found())
395 gsl_dep = cc.find_library('gsl', required : false)
396 gslcblas_dep = cc.find_library('gslcblas', required : false)
397 cdata.set('HAVE_GSL', gsl_dep.found() and gslcblas_dep.found())
398 test_deps = [gmp_dep, gsl_dep, gslcblas_dep]
401 dl_dep = cc.find_library('dl', required : false)
402 cdata.set('HAVE_DLADDR', cc.has_function('dladdr', dependencies : dl_dep))
403 cdata.set('GST_ENABLE_EXTRA_CHECKS', get_option('extra-checks'))
404 cdata.set('USE_POISONING', get_option('poisoning'))
406 configinc = include_directories('.')
407 libsinc = include_directories('libs')
408 privinc = include_directories('gst')
411 glib_dep = dependency('glib-2.0', version : '>=2.32.0',
412 fallback: ['glib', 'libglib_dep'])
413 gobject_dep = dependency('gobject-2.0',
414 fallback: ['glib', 'libgobject_dep'])
415 gmodule_dep = dependency('gmodule-2.0',
416 fallback: ['glib', 'libgmodule_dep'])
417 if host_system == 'windows'
418 gio_dep = dependency('gio-2.0',
419 fallback: ['glib', 'libgio_dep'])
421 gio_dep = [dependency('gio-2.0',
422 fallback: ['glib', 'libgio_dep']),
423 dependency('gio-unix-2.0',
424 fallback: ['glib', 'libgio_dep'])]
427 mathlib = cc.find_library('m', required : false)
428 # Needed for timer_create/settime/delete
429 # Also provides clock_gettime in glibc < 2.17
430 rt_lib = cc.find_library('rt', required : false)
432 gir = find_program('g-ir-scanner', required : get_option('introspection'))
433 gnome = import('gnome')
435 build_gir = gir.found() and not meson.is_cross_build()
437 gir_init_section = [ '--add-init-section=extern void gst_init(gint*,gchar**);' + \
438 'g_setenv("GST_REGISTRY_DISABLE", "yes", TRUE);' + \
439 'g_setenv("GST_REGISTRY_1.0", "/no/way/this/exists.reg", TRUE);' + \
440 'g_setenv("GST_PLUGIN_PATH_1_0", "", TRUE);' + \
441 'g_setenv("GST_PLUGIN_SYSTEM_PATH_1_0", "", TRUE);' + \
442 'gst_init(NULL,NULL);' ]
444 gst_c_args = ['-DHAVE_CONFIG_H']
446 # FIXME: This is only needed on windows and probably breaks when
447 # default_library = 'both'. We should add this flag to static_c_args instead
448 # when Meson supports it: https://github.com/mesonbuild/meson/issues/3304
449 if get_option('default_library') == 'static'
450 gst_c_args += ['-DGST_STATIC_COMPILATION']
453 # Used in gst/parse/meson.build and below
454 python3 = import('python3').find_python()
456 bashcomp_option = get_option('bash-completion')
457 bashcomp_dep = dependency('bash-completion', version : '>= 2.0', required : bashcomp_option)
458 bash_completions_dir = ''
459 bash_helpers_dir = ''
461 bashcomp_found = false
462 if bashcomp_dep.found()
463 bashcomp_found = true
464 bash_completions_dir = bashcomp_dep.get_pkgconfig_variable('completionsdir', define_variable: ['prefix', '.'])
465 if bash_completions_dir == ''
466 msg = 'Found bash-completion but the .pc file did not set \'completionsdir\'.'
467 if bashcomp_option.enabled()
472 bashcomp_found = false
475 bash_helpers_dir = bashcomp_dep.get_pkgconfig_variable('helpersdir', define_variable: ['prefix', '.'])
476 if bash_helpers_dir == ''
477 msg = 'Found bash-completion, but the .pc file did not set \'helpersdir\'.'
478 if bashcomp_option.enabled()
483 bashcomp_found = false
490 if not get_option('tools').disabled()
497 # xgettext is optional (on Windows for instance)
498 if find_program('xgettext', required : get_option('nls')).found()
499 cdata.set('ENABLE_NLS', 1)
503 configure_file(output : 'config.h', configuration : cdata)
505 if build_machine.system() == 'windows'
506 message('Disabling gtk-doc while building on Windows')
508 if find_program('gtkdoc-scan', required : get_option('gtk_doc')).found()
511 message('Not building documentation as gtk-doc was not found')
515 run_command(python3, '-c', 'import shutil; shutil.copy("hooks/pre-commit.hook", ".git/hooks/pre-commit")')
517 install_data('gst-element-check-1.0.m4', install_dir : join_paths(get_option('datadir'), 'aclocal'))