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()
18 host_system = host_machine.system()
22 # maintaining compatibility with the previous libtool versioning
23 # current = minor * 100 + micro
24 libversion = '@0@.@1@.0'.format(soversion, gst_version_minor * 100 + gst_version_micro)
26 prefix = get_option('prefix')
28 libexecdir = get_option('libexecdir')
29 helpers_install_dir = join_paths(libexecdir, 'gstreamer-1.0')
31 cc = meson.get_compiler('c')
33 # Ignore several spurious warnings for things gstreamer does very commonly
34 # If a warning is completely useless and spammy, use '/wdXXXX' to suppress it
35 # If a warning is harmless but hard to fix, use '/woXXXX' so it's shown once
36 # NOTE: Only add warnings here if you are sure they're spurious
37 if cc.get_id() == 'msvc'
38 add_project_arguments(
39 '/wd4018', # implicit signed/unsigned conversion
40 '/wd4146', # unary minus on unsigned (beware INT_MIN)
41 '/wd4244', # lossy type conversion (e.g. double -> int)
42 '/wd4305', # truncating type conversion (e.g. double -> float)
44 elif cc.has_link_argument('-Wl,-Bsymbolic-functions')
45 # FIXME: Add an option for this if people ask for it
46 add_project_link_arguments('-Wl,-Bsymbolic-functions', language : 'c')
50 have_visibility_hidden = cc.has_argument('-fvisibility=hidden')
51 if have_visibility_hidden
52 add_project_arguments('-fvisibility=hidden', language: 'c')
55 # Disable strict aliasing
56 if cc.has_argument('-fno-strict-aliasing')
57 add_project_arguments('-fno-strict-aliasing', language: 'c')
60 # Define G_DISABLE_DEPRECATED for development versions
61 if gst_version_minor % 2 == 1 and gst_version_micro < 90
62 add_project_arguments('-DG_DISABLE_DEPRECATED', language: 'c')
65 cdata = configuration_data()
66 cdata.set_quoted('GST_API_VERSION', apiversion)
67 cdata.set_quoted('GST_DATADIR', join_paths(prefix, get_option('datadir')))
68 cdata.set_quoted('LOCALEDIR', join_paths(prefix, get_option('localedir')))
69 cdata.set_quoted('LIBDIR', join_paths(prefix, get_option('libdir')))
70 cdata.set_quoted('GST_API_VERSION', '1.0')
71 cdata.set_quoted('GETTEXT_PACKAGE', 'gstreamer-1.0')
72 cdata.set_quoted('GST_LICENSE', 'LGPL')
73 cdata.set_quoted('PACKAGE', 'gstreamer')
74 cdata.set_quoted('PACKAGE_NAME', 'GStreamer')
75 cdata.set_quoted('PACKAGE_STRING', 'GStreamer @0@'.format(gst_version))
76 cdata.set_quoted('PACKAGE_TARNAME', 'gstreamer')
77 cdata.set_quoted('PACKAGE_BUGREPORT', 'http://bugzilla.gnome.org/enter_bug.cgi?product=GStreamer')
78 cdata.set_quoted('PACKAGE_URL', '')
79 cdata.set_quoted('PACKAGE_VERSION', gst_version)
80 cdata.set_quoted('PLUGINDIR', join_paths(get_option('prefix'), get_option('libdir'), 'gstreamer-1.0'))
81 cdata.set_quoted('VERSION', gst_version)
82 cdata.set_quoted('GST_PLUGIN_SCANNER_INSTALLED', join_paths(prefix, helpers_install_dir, 'gst-plugin-scanner'))
83 cdata.set_quoted('GST_PTP_HELPER_INSTALLED', join_paths(prefix, helpers_install_dir, 'gst-ptp-helper'))
84 cdata.set_quoted('GST_PLUGIN_SCANNER_SUBDIR', libexecdir,
85 description: 'libexecdir path component, used to find plugin-scanner on relocatable builds on windows')
86 cdata.set('GST_DISABLE_OPTION_PARSING', not get_option('option-parsing'))
88 mem_align_opt = get_option('memory-alignment')
89 if mem_align_opt == 'malloc'
90 cdata.set('MEMORY_ALIGNMENT_MALLOC', 1)
91 elif mem_align_opt == 'pagesize'
92 cdata.set('MEMORY_ALIGNMENT_PAGESIZE', 1)
94 cdata.set('MEMORY_ALIGNMENT', mem_align_opt.to_int())
97 if host_system == 'darwin'
98 cdata.set_quoted('GST_EXTRA_MODULE_SUFFIX', '.dylib')
101 if gst_version_nano > 0
102 # Have GST_ERROR message printed when running from git
103 cdata.set('GST_LEVEL_DEFAULT', 'GST_LEVEL_ERROR')
105 cdata.set('GST_LEVEL_DEFAULT', 'GST_LEVEL_NONE')
108 # GStreamer package name and origin url
109 gst_package_name = get_option('package-name')
110 if gst_package_name == ''
111 if gst_version_nano == 0
112 gst_package_name = 'GStreamer source release'
113 elif gst_version_nano == 1
114 gst_package_name = 'GStreamer git'
116 gst_package_name = 'GStreamer prerelease'
119 cdata.set_quoted('GST_PACKAGE_NAME', gst_package_name)
120 cdata.set_quoted('GST_PACKAGE_ORIGIN', get_option('package-origin'))
122 # These are only needed/used by the ABI tests
124 [ 'x86', 'HAVE_CPU_I386' ],
125 [ 'x86_64', 'HAVE_CPU_X86_64' ],
126 [ 'arm', 'HAVE_CPU_ARM' ],
127 [ 'aarch64', 'HAVE_CPU_AARCH64' ],
128 [ 'mips', 'HAVE_CPU_MIPS' ],
129 [ 'powerpc', 'HAVE_CPU_PPC' ],
130 [ 'powerpc64', 'HAVE_CPU_PPC64' ],
131 [ 'alpha', 'HAVE_CPU_ALPHA' ],
132 [ 'sparc', 'HAVE_CPU_SPARC' ],
133 [ 'ia64', 'HAVE_CPU_IA64' ],
134 [ 'hppa', 'HAVE_CPU_HPPA' ],
135 [ 'm68k', 'HAVE_CPU_M68K' ],
136 [ 's390', 'HAVE_CPU_S390' ],
138 foreach h : host_defines
139 if h.get(0) == host_machine.cpu()
140 cdata.set(h.get(1), 1)
143 # FIXME: should really be called HOST_CPU or such
144 cdata.set_quoted('TARGET_CPU', host_machine.cpu())
167 'valgrind/valgrind.h',
171 if host_system == 'windows'
172 check_headers += ['winsock2.h']
175 foreach h : check_headers
177 define = 'HAVE_' + h.underscorify().to_upper()
182 if cc.has_member('struct tm', 'tm_gmtoff', prefix : '#include <time.h>')
183 cdata.set('HAVE_TM_GMTOFF', 1)
197 # These are needed by libcheck
204 foreach f : check_functions
205 if cc.has_function(f)
206 define = 'HAVE_' + f.underscorify().to_upper()
211 if cc.has_function('localtime_r', prefix : '#include<time.h>')
212 cdata.set('HAVE_LOCALTIME_R', 1)
214 cdata.set('HAVE_DECL_LOCALTIME_R', 1)
217 if cc.links('''#include <pthread.h>
219 pthread_setname_np("example"); return 0;
220 }''', name : 'pthread_setname_np(const char*)')
221 cdata.set('HAVE_PTHREAD_SETNAME_NP_WITHOUT_TID', 1)
224 # Check for posix timers and the monotonic clock
225 time_prefix = '#include <time.h>\n'
226 if cdata.has('HAVE_UNISTD_H')
227 time_prefix += '#include <unistd.h>'
230 posix_timers_src = time_prefix + '''
231 #if !defined(_POSIX_TIMERS) || _POSIX_TIMERS < 0 || !defined(CLOCK_REALTIME)
232 #error Either _POSIX_TIMERS or CLOCK_REALTIME not defined
235 if cc.compiles(posix_timers_src, name : 'posix timers from time.h')
236 cdata.set('HAVE_POSIX_TIMERS', 1)
239 monotonic_clock_src = time_prefix + '''
240 #if !defined(_POSIX_MONOTONIC_CLOCK) || _POSIX_MONOTONIC_CLOCK < 0 || !defined(CLOCK_MONOTONIC)
241 #error Either _POSIX_MONOTONIC_CLOCK or CLOCK_MONOTONIC not defined
244 if cc.compiles(monotonic_clock_src, name : 'monotonic clock from time.h')
245 cdata.set('HAVE_MONOTONIC_CLOCK', 1)
248 # Check for __uint128_t (gcc) by checking for 128-bit division
249 uint128_t_src = '''int main() {
250 static __uint128_t v1 = 100;
251 static __uint128_t v2 = 10;
252 static __uint128_t u;
255 if cc.compiles(uint128_t_src, name : '__uint128_t available')
256 cdata.set('HAVE_UINT128_T', 1)
259 # All supported platforms have long long now
260 cdata.set('HAVE_LONG_LONG', 1)
262 # We only want to use the __declspec(dllexport/import) dance in GST_EXPORT when
264 if cc.get_id() == 'msvc'
265 cdata.set('GSTCONFIG_BUILT_WITH_MSVC', 1)
267 cdata.set('GSTCONFIG_BUILT_WITH_MSVC', 0)
270 # -------------------------------------------------------------------------------------
271 # config.h things needed by libcheck
272 # -------------------------------------------------------------------------------------
273 if cc.has_function('getpid')
274 cdata.set('HAVE_GETPID', 1)
275 elif host_system == 'windows' and cc.has_function('_getpid')
276 cdata.set('HAVE_PROCESS_H', 1) # Used by gstreamer too
277 cdata.set('HAVE__GETPID', 1)
279 if cc.has_function('strdup')
280 cdata.set('HAVE_DECL_STRDUP', 1)
281 elif host_system == 'windows' and cc.has_function('_strdup')
282 cdata.set('HAVE__STRDUP', 1) # Windows (MSVC)
284 if host_system != 'windows'
285 cdata.set('HAVE_FORK', 1)
287 # libcheck requires HAVE_FORK to be 0 when fork() is not available
288 cdata.set('HAVE_FORK', 0)
290 if cc.has_function('strsignal')
291 cdata.set('HAVE_DECL_STRSIGNAL', 1)
293 # Check for availability of types
294 if not cc.has_type('clockid_t', prefix : '#include <time.h>')
295 cdata.set('clockid_t', 'int')
297 if not cc.has_type('timer_t', prefix : '#include <time.h>')
298 cdata.set('timer_t', 'int')
300 if not cc.has_members('struct timespec', 'tv_sec', 'tv_nsec',
301 prefix : '#include <time.h>')
302 cdata.set('STRUCT_TIMESPEC_DEFINITION_MISSING', 1)
304 if not cc.has_members('struct itimerspec', 'it_interval', 'it_value',
305 prefix : '#include <time.h>')
306 cdata.set('STRUCT_ITIMERSPEC_DEFINITION_MISSING', 1)
309 # Platform deps; only ws2_32 and execinfo for now
311 if host_system == 'windows'
312 platform_deps = [cc.find_library('ws2_32')]
316 unwind_dep = dependency('libunwind', required : get_option('libunwind'))
317 dw_dep = dependency('libdw', required: get_option('libunwind'))
318 backtrace_deps = [unwind_dep, dw_dep]
319 if unwind_dep.found()
320 cdata.set('HAVE_UNWIND', 1)
322 cdata.set('HAVE_DW', 1)
324 message('Support for backtraces is partial only.')
327 if cc.has_function('backtrace')
328 cdata.set('HAVE_BACKTRACE', 1)
330 message('NO backtraces support.')
334 if cc.has_header('execinfo.h')
335 if cc.has_function('backtrace', prefix : '#include <execinfo.h>')
336 cdata.set('HAVE_BACKTRACE', 1)
338 execinfo_dep = cc.find_library('execinfo', required : false)
339 if execinfo_dep.found() and cc.has_function('backtrace', prefix : '#include <execinfo.h>', dependencies : execinfo_dep)
340 cdata.set('HAVE_BACKTRACE', 1)
341 platform_deps += execinfo_dep
346 gst_debug = get_option('gst_debug')
348 add_project_arguments(['-Wno-unused'], language: 'c')
352 '-Wmissing-declarations',
353 '-Wmissing-prototypes',
358 '-Wformat-nonliteral',
360 '-Wold-style-definition',
362 '-Wmissing-include-dirs',
364 '-Waggregate-return',
367 '-Wdeclaration-after-statement',
372 foreach extra_arg : warning_flags
373 if cc.has_argument (extra_arg)
374 add_project_arguments([extra_arg], language: 'c')
378 # Used by the gstutils test
379 gmp_dep = cc.find_library('gmp', required : false)
380 cdata.set('HAVE_GMP', gmp_dep.found())
381 gsl_dep = cc.find_library('gsl', required : false)
382 gslcblas_dep = cc.find_library('gslcblas', required : false)
383 cdata.set('HAVE_GSL', gsl_dep.found() and gslcblas_dep.found())
384 test_deps = [gmp_dep, gsl_dep, gslcblas_dep]
387 dl_dep = cc.find_library('dl', required : false)
388 cdata.set('HAVE_DLADDR', cc.has_function('dladdr', dependencies : dl_dep))
389 cdata.set('GST_ENABLE_EXTRA_CHECKS', get_option('extra-checks'))
390 cdata.set('USE_POISONING', get_option('poisoning'))
392 configinc = include_directories('.')
393 libsinc = include_directories('libs')
394 privinc = include_directories('gst')
397 glib_dep = dependency('glib-2.0', version : '>=2.32.0',
398 fallback: ['glib', 'libglib_dep'])
399 gobject_dep = dependency('gobject-2.0',
400 fallback: ['glib', 'libgobject_dep'])
401 gmodule_dep = dependency('gmodule-2.0',
402 fallback: ['glib', 'libgmodule_dep'])
403 if host_system == 'windows'
404 gio_dep = dependency('gio-2.0',
405 fallback: ['glib', 'libgio_dep'])
407 gio_dep = [dependency('gio-2.0',
408 fallback: ['glib', 'libgio_dep']),
409 dependency('gio-unix-2.0',
410 fallback: ['glib', 'libgio_dep'])]
413 mathlib = cc.find_library('m', required : false)
414 # Needed for timer_create/settime/delete
415 # Also provides clock_gettime in glibc < 2.17
416 rt_lib = cc.find_library('rt', required : false)
418 gir = find_program('g-ir-scanner', required : get_option('introspection'))
419 gnome = import('gnome')
421 build_gir = gir.found() and not meson.is_cross_build()
423 gir_init_section = [ '--add-init-section=extern void gst_init(gint*,gchar**);' + \
424 'g_setenv("GST_REGISTRY_DISABLE", "yes", TRUE);' + \
425 'g_setenv("GST_REGISTRY_1.0", "/no/way/this/exists.reg", TRUE);' + \
426 'g_setenv("GST_PLUGIN_PATH_1_0", "", TRUE);' + \
427 'g_setenv("GST_PLUGIN_SYSTEM_PATH_1_0", "", TRUE);' + \
428 'gst_init(NULL,NULL);' ]
430 gst_c_args = ['-DHAVE_CONFIG_H']
432 # FIXME: This is only needed on windows and probably breaks when
433 # default_library = 'both'. We should add this flag to static_c_args instead
434 # when Meson supports it: https://github.com/mesonbuild/meson/issues/3304
435 if get_option('default_library') == 'static'
436 gst_c_args += ['-DGST_STATIC_COMPILATION']
439 # Used in gst/parse/meson.build and below
440 python3 = import('python3').find_python()
442 bashcomp_option = get_option('bash-completion')
443 bashcomp_dep = dependency('bash-completion', version : '>= 2.0', required : bashcomp_option)
444 bash_completions_dir = ''
445 bash_helpers_dir = ''
447 bashcomp_found = false
448 if bashcomp_dep.found()
449 bashcomp_found = true
450 bash_completions_dir = bashcomp_dep.get_pkgconfig_variable('completionsdir', define_variable: ['prefix', '.'])
451 if bash_completions_dir == ''
452 msg = 'Found bash-completion but the .pc file did not set \'completionsdir\'.'
453 if bashcomp_option.enabled()
458 bashcomp_found = false
461 bash_helpers_dir = bashcomp_dep.get_pkgconfig_variable('helpersdir', define_variable: ['prefix', '.'])
462 if bash_helpers_dir == ''
463 msg = 'Found bash-completion, but the .pc file did not set \'helpersdir\'.'
464 if bashcomp_option.enabled()
469 bashcomp_found = false
476 if not get_option('tools').disabled()
483 # xgettext is optional (on Windows for instance)
484 if find_program('xgettext', required : get_option('nls')).found()
485 cdata.set('ENABLE_NLS', 1)
489 configure_file(output : 'config.h', configuration : cdata)
491 if build_machine.system() == 'windows'
492 message('Disabling gtk-doc while building on Windows')
494 if find_program('gtkdoc-scan', required : get_option('gtk_doc')).found()
497 message('Not building documentation as gtk-doc was not found')
501 run_command(python3, '-c', 'import shutil; shutil.copy("hooks/pre-commit.hook", ".git/hooks/pre-commit")')
503 install_data('gst-element-check-1.0.m4', install_dir : join_paths(get_option('datadir'), 'aclocal'))