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 cdata = configuration_data()
82 cdata.set_quoted('GST_API_VERSION', apiversion)
83 cdata.set_quoted('GST_DATADIR', join_paths(prefix, get_option('datadir')))
84 cdata.set_quoted('LOCALEDIR', join_paths(prefix, get_option('localedir')))
85 cdata.set_quoted('LIBDIR', join_paths(prefix, get_option('libdir')))
86 cdata.set_quoted('GST_API_VERSION', '1.0')
87 cdata.set_quoted('GETTEXT_PACKAGE', 'gstreamer-1.0')
88 cdata.set_quoted('GST_LICENSE', 'LGPL')
89 cdata.set_quoted('PACKAGE', 'gstreamer')
90 cdata.set_quoted('PACKAGE_NAME', 'GStreamer')
91 cdata.set_quoted('PACKAGE_STRING', 'GStreamer @0@'.format(gst_version))
92 cdata.set_quoted('PACKAGE_TARNAME', 'gstreamer')
93 cdata.set_quoted('PACKAGE_BUGREPORT', 'http://bugzilla.gnome.org/enter_bug.cgi?product=GStreamer')
94 cdata.set_quoted('PACKAGE_URL', '')
95 cdata.set_quoted('PACKAGE_VERSION', gst_version)
96 cdata.set_quoted('PLUGINDIR', join_paths(get_option('prefix'), get_option('libdir'), 'gstreamer-1.0'))
97 cdata.set_quoted('VERSION', gst_version)
98 cdata.set_quoted('GST_PLUGIN_SCANNER_INSTALLED', join_paths(prefix, helpers_install_dir, 'gst-plugin-scanner'))
99 cdata.set_quoted('GST_PTP_HELPER_INSTALLED', join_paths(prefix, helpers_install_dir, 'gst-ptp-helper'))
100 cdata.set_quoted('GST_PLUGIN_SCANNER_SUBDIR', libexecdir,
101 description: 'libexecdir path component, used to find plugin-scanner on relocatable builds on windows')
102 cdata.set('GST_DISABLE_OPTION_PARSING', not get_option('option-parsing'))
104 mem_align_opt = get_option('memory-alignment')
105 if mem_align_opt == 'malloc'
106 cdata.set('MEMORY_ALIGNMENT_MALLOC', 1)
107 elif mem_align_opt == 'pagesize'
108 cdata.set('MEMORY_ALIGNMENT_PAGESIZE', 1)
110 cdata.set('MEMORY_ALIGNMENT', mem_align_opt.to_int())
113 if ['darwin', 'ios'].contains(host_system)
114 cdata.set_quoted('GST_EXTRA_MODULE_SUFFIX', '.dylib')
117 if gst_version_nano > 0
118 # Have GST_ERROR message printed when running from git
119 cdata.set('GST_LEVEL_DEFAULT', 'GST_LEVEL_ERROR')
121 cdata.set('GST_LEVEL_DEFAULT', 'GST_LEVEL_NONE')
124 # GStreamer package name and origin url
125 gst_package_name = get_option('package-name')
126 if gst_package_name == ''
127 if gst_version_nano == 0
128 gst_package_name = 'GStreamer source release'
129 elif gst_version_nano == 1
130 gst_package_name = 'GStreamer git'
132 gst_package_name = 'GStreamer prerelease'
135 cdata.set_quoted('GST_PACKAGE_NAME', gst_package_name)
136 cdata.set_quoted('GST_PACKAGE_ORIGIN', get_option('package-origin'))
138 # These are only needed/used by the ABI tests
140 [ 'x86', 'HAVE_CPU_I386' ],
141 [ 'x86_64', 'HAVE_CPU_X86_64' ],
142 [ 'arm', 'HAVE_CPU_ARM' ],
143 [ 'aarch64', 'HAVE_CPU_AARCH64' ],
144 [ 'mips', 'HAVE_CPU_MIPS' ],
145 [ 'powerpc', 'HAVE_CPU_PPC' ],
146 [ 'powerpc64', 'HAVE_CPU_PPC64' ],
147 [ 'alpha', 'HAVE_CPU_ALPHA' ],
148 [ 'sparc', 'HAVE_CPU_SPARC' ],
149 [ 'ia64', 'HAVE_CPU_IA64' ],
150 [ 'hppa', 'HAVE_CPU_HPPA' ],
151 [ 'm68k', 'HAVE_CPU_M68K' ],
152 [ 's390', 'HAVE_CPU_S390' ],
154 foreach h : host_defines
155 if h.get(0) == host_machine.cpu()
156 cdata.set(h.get(1), 1)
159 # FIXME: should really be called HOST_CPU or such
160 cdata.set_quoted('TARGET_CPU', host_machine.cpu())
183 'valgrind/valgrind.h',
187 if host_system == 'windows'
188 check_headers += ['winsock2.h']
191 foreach h : check_headers
193 define = 'HAVE_' + h.underscorify().to_upper()
198 if cc.has_member('struct tm', 'tm_gmtoff', prefix : '#include <time.h>')
199 cdata.set('HAVE_TM_GMTOFF', 1)
213 # These are needed by libcheck
220 foreach f : check_functions
221 if cc.has_function(f)
222 define = 'HAVE_' + f.underscorify().to_upper()
227 if cc.has_function('localtime_r', prefix : '#include<time.h>')
228 cdata.set('HAVE_LOCALTIME_R', 1)
230 cdata.set('HAVE_DECL_LOCALTIME_R', 1)
233 if cc.links('''#include <pthread.h>
235 pthread_setname_np("example"); return 0;
236 }''', name : 'pthread_setname_np(const char*)')
237 cdata.set('HAVE_PTHREAD_SETNAME_NP_WITHOUT_TID', 1)
240 # Check for posix timers and the monotonic clock
241 time_prefix = '#include <time.h>\n'
242 if cdata.has('HAVE_UNISTD_H')
243 time_prefix += '#include <unistd.h>'
246 posix_timers_src = time_prefix + '''
247 #if !defined(_POSIX_TIMERS) || _POSIX_TIMERS < 0 || !defined(CLOCK_REALTIME)
248 #error Either _POSIX_TIMERS or CLOCK_REALTIME not defined
251 if cc.compiles(posix_timers_src, name : 'posix timers from time.h')
252 cdata.set('HAVE_POSIX_TIMERS', 1)
255 monotonic_clock_src = time_prefix + '''
256 #if !defined(_POSIX_MONOTONIC_CLOCK) || _POSIX_MONOTONIC_CLOCK < 0 || !defined(CLOCK_MONOTONIC)
257 #error Either _POSIX_MONOTONIC_CLOCK or CLOCK_MONOTONIC not defined
260 if cc.compiles(monotonic_clock_src, name : 'monotonic clock from time.h')
261 cdata.set('HAVE_MONOTONIC_CLOCK', 1)
264 # Check for __uint128_t (gcc) by checking for 128-bit division
265 uint128_t_src = '''int main() {
266 static __uint128_t v1 = 100;
267 static __uint128_t v2 = 10;
268 static __uint128_t u;
271 if cc.compiles(uint128_t_src, name : '__uint128_t available')
272 cdata.set('HAVE_UINT128_T', 1)
275 # All supported platforms have long long now
276 cdata.set('HAVE_LONG_LONG', 1)
278 # We only want to use the __declspec(dllexport/import) dance in GST_EXPORT when
280 if cc.get_id() == 'msvc'
281 cdata.set('GSTCONFIG_BUILT_WITH_MSVC', 1)
283 cdata.set('GSTCONFIG_BUILT_WITH_MSVC', 0)
286 # -------------------------------------------------------------------------------------
287 # config.h things needed by libcheck
288 # -------------------------------------------------------------------------------------
289 if cc.has_function('getpid')
290 cdata.set('HAVE_GETPID', 1)
291 elif host_system == 'windows' and cc.has_function('_getpid')
292 cdata.set('HAVE_PROCESS_H', 1) # Used by gstreamer too
293 cdata.set('HAVE__GETPID', 1)
295 if cc.has_function('strdup')
296 cdata.set('HAVE_DECL_STRDUP', 1)
297 elif host_system == 'windows' and cc.has_function('_strdup')
298 cdata.set('HAVE__STRDUP', 1) # Windows (MSVC)
300 if host_system != 'windows'
301 cdata.set('HAVE_FORK', 1)
303 # libcheck requires HAVE_FORK to be 0 when fork() is not available
304 cdata.set('HAVE_FORK', 0)
306 if cc.has_function('strsignal')
307 cdata.set('HAVE_DECL_STRSIGNAL', 1)
309 # Check for availability of types
310 if not cc.has_type('clockid_t', prefix : '#include <time.h>')
311 cdata.set('clockid_t', 'int')
313 if not cc.has_type('timer_t', prefix : '#include <time.h>')
314 cdata.set('timer_t', 'int')
316 if not cc.has_members('struct timespec', 'tv_sec', 'tv_nsec',
317 prefix : '#include <time.h>')
318 cdata.set('STRUCT_TIMESPEC_DEFINITION_MISSING', 1)
320 if not cc.has_members('struct itimerspec', 'it_interval', 'it_value',
321 prefix : '#include <time.h>')
322 cdata.set('STRUCT_ITIMERSPEC_DEFINITION_MISSING', 1)
325 # Platform deps; only ws2_32 and execinfo for now
327 if host_system == 'windows'
328 platform_deps = [cc.find_library('ws2_32')]
332 unwind_dep = dependency('libunwind', required : get_option('libunwind'))
333 dw_dep = dependency('libdw', required: get_option('libunwind'))
334 backtrace_deps = [unwind_dep, dw_dep]
335 if unwind_dep.found()
336 cdata.set('HAVE_UNWIND', 1)
338 cdata.set('HAVE_DW', 1)
340 message('Support for backtraces is partial only.')
343 if cc.has_function('backtrace')
344 cdata.set('HAVE_BACKTRACE', 1)
346 message('NO backtraces support.')
350 if cc.has_header('execinfo.h')
351 if cc.has_function('backtrace', prefix : '#include <execinfo.h>')
352 cdata.set('HAVE_BACKTRACE', 1)
354 execinfo_dep = cc.find_library('execinfo', required : false)
355 if execinfo_dep.found() and cc.has_function('backtrace', prefix : '#include <execinfo.h>', dependencies : execinfo_dep)
356 cdata.set('HAVE_BACKTRACE', 1)
357 platform_deps += execinfo_dep
362 gst_debug = get_option('gst_debug')
364 add_project_arguments(['-Wno-unused'], language: 'c')
368 '-Wmissing-declarations',
369 '-Wmissing-prototypes',
374 '-Wformat-nonliteral',
376 '-Wold-style-definition',
378 '-Wmissing-include-dirs',
380 '-Waggregate-return',
383 '-Wdeclaration-after-statement',
388 foreach extra_arg : warning_flags
389 if cc.has_argument (extra_arg)
390 add_project_arguments([extra_arg], language: 'c')
394 # Used by the gstutils test
395 gmp_dep = cc.find_library('gmp', required : false)
396 cdata.set('HAVE_GMP', gmp_dep.found())
397 gsl_dep = cc.find_library('gsl', required : false)
398 gslcblas_dep = cc.find_library('gslcblas', required : false)
399 cdata.set('HAVE_GSL', gsl_dep.found() and gslcblas_dep.found())
400 test_deps = [gmp_dep, gsl_dep, gslcblas_dep]
403 dl_dep = cc.find_library('dl', required : false)
404 cdata.set('HAVE_DLADDR', cc.has_function('dladdr', dependencies : dl_dep))
405 cdata.set('GST_ENABLE_EXTRA_CHECKS', get_option('extra-checks'))
406 cdata.set('USE_POISONING', get_option('poisoning'))
408 configinc = include_directories('.')
409 libsinc = include_directories('libs')
410 privinc = include_directories('gst')
413 glib_dep = dependency('glib-2.0', version : '>=2.32.0',
414 fallback: ['glib', 'libglib_dep'])
415 gobject_dep = dependency('gobject-2.0',
416 fallback: ['glib', 'libgobject_dep'])
417 gmodule_dep = dependency('gmodule-2.0',
418 fallback: ['glib', 'libgmodule_dep'])
419 if host_system == 'windows'
420 gio_dep = dependency('gio-2.0',
421 fallback: ['glib', 'libgio_dep'])
423 gio_dep = [dependency('gio-2.0',
424 fallback: ['glib', 'libgio_dep']),
425 dependency('gio-unix-2.0',
426 fallback: ['glib', 'libgio_dep'])]
429 mathlib = cc.find_library('m', required : false)
430 # Needed for timer_create/settime/delete
431 # Also provides clock_gettime in glibc < 2.17
432 rt_lib = cc.find_library('rt', required : false)
434 gir = find_program('g-ir-scanner', required : get_option('introspection'))
435 gnome = import('gnome')
437 build_gir = gir.found() and not meson.is_cross_build()
439 gir_init_section = [ '--add-init-section=extern void gst_init(gint*,gchar**);' + \
440 'g_setenv("GST_REGISTRY_DISABLE", "yes", TRUE);' + \
441 'g_setenv("GST_REGISTRY_1.0", "/no/way/this/exists.reg", TRUE);' + \
442 'g_setenv("GST_PLUGIN_PATH_1_0", "", TRUE);' + \
443 'g_setenv("GST_PLUGIN_SYSTEM_PATH_1_0", "", TRUE);' + \
444 'gst_init(NULL,NULL);' ]
446 gst_c_args = ['-DHAVE_CONFIG_H']
448 # FIXME: This is only needed on windows and probably breaks when
449 # default_library = 'both'. We should add this flag to static_c_args instead
450 # when Meson supports it: https://github.com/mesonbuild/meson/issues/3304
451 if get_option('default_library') == 'static'
452 gst_c_args += ['-DGST_STATIC_COMPILATION']
455 # Used in gst/parse/meson.build and below
456 python3 = import('python3').find_python()
458 bashcomp_option = get_option('bash-completion')
459 bashcomp_dep = dependency('bash-completion', version : '>= 2.0', required : bashcomp_option)
460 bash_completions_dir = ''
461 bash_helpers_dir = ''
463 bashcomp_found = false
464 if bashcomp_dep.found()
465 bashcomp_found = true
466 bash_completions_dir = bashcomp_dep.get_pkgconfig_variable('completionsdir', define_variable: ['prefix', '.'])
467 if bash_completions_dir == ''
468 msg = 'Found bash-completion but the .pc file did not set \'completionsdir\'.'
469 if bashcomp_option.enabled()
474 bashcomp_found = false
477 bash_helpers_dir = bashcomp_dep.get_pkgconfig_variable('helpersdir', define_variable: ['prefix', '.'])
478 if bash_helpers_dir == ''
479 msg = 'Found bash-completion, but the .pc file did not set \'helpersdir\'.'
480 if bashcomp_option.enabled()
485 bashcomp_found = false
492 if not get_option('tools').disabled()
499 # xgettext is optional (on Windows for instance)
500 if find_program('xgettext', required : get_option('nls')).found()
501 cdata.set('ENABLE_NLS', 1)
505 configure_file(output : 'config.h', configuration : cdata)
507 if build_machine.system() == 'windows'
508 message('Disabling gtk-doc while building on Windows')
510 if find_program('gtkdoc-scan', required : get_option('gtk_doc')).found()
513 message('Not building documentation as gtk-doc was not found')
517 run_command(python3, '-c', 'import shutil; shutil.copy("hooks/pre-commit.hook", ".git/hooks/pre-commit")')
519 install_data('gst-element-check-1.0.m4', install_dir : join_paths(get_option('datadir'), 'aclocal'))