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 cdata = configuration_data()
61 cdata.set_quoted('GST_API_VERSION', apiversion)
62 cdata.set_quoted('GST_DATADIR', join_paths(prefix, get_option('datadir')))
63 cdata.set_quoted('LOCALEDIR', join_paths(prefix, get_option('localedir')))
64 cdata.set_quoted('LIBDIR', join_paths(prefix, get_option('libdir')))
65 cdata.set_quoted('GST_API_VERSION', '1.0')
66 cdata.set_quoted('GETTEXT_PACKAGE', 'gstreamer-1.0')
67 cdata.set_quoted('GST_LICENSE', 'LGPL')
68 cdata.set_quoted('PACKAGE', 'gstreamer')
69 cdata.set_quoted('PACKAGE_NAME', 'GStreamer')
70 cdata.set_quoted('PACKAGE_STRING', 'GStreamer @0@'.format(gst_version))
71 cdata.set_quoted('PACKAGE_TARNAME', 'gstreamer')
72 cdata.set_quoted('PACKAGE_BUGREPORT', 'http://bugzilla.gnome.org/enter_bug.cgi?product=GStreamer')
73 cdata.set_quoted('PACKAGE_URL', '')
74 cdata.set_quoted('PACKAGE_VERSION', gst_version)
75 cdata.set_quoted('PLUGINDIR', join_paths(get_option('prefix'), get_option('libdir'), 'gstreamer-1.0'))
76 cdata.set_quoted('VERSION', gst_version)
77 cdata.set_quoted('GST_PLUGIN_SCANNER_INSTALLED', join_paths(prefix, helpers_install_dir, 'gst-plugin-scanner'))
78 cdata.set_quoted('GST_PTP_HELPER_INSTALLED', join_paths(prefix, helpers_install_dir, 'gst-ptp-helper'))
79 cdata.set_quoted('GST_PLUGIN_SCANNER_SUBDIR', libexecdir,
80 description: 'libexecdir path component, used to find plugin-scanner on relocatable builds on windows')
81 cdata.set('GST_DISABLE_OPTION_PARSING', not get_option('option-parsing'))
83 mem_align_opt = get_option('memory-alignment')
84 if mem_align_opt == 'malloc'
85 cdata.set('MEMORY_ALIGNMENT_MALLOC', 1)
86 elif mem_align_opt == 'pagesize'
87 cdata.set('MEMORY_ALIGNMENT_PAGESIZE', 1)
89 cdata.set('MEMORY_ALIGNMENT', mem_align_opt.to_int())
92 if host_system == 'darwin'
93 cdata.set_quoted('GST_EXTRA_MODULE_SUFFIX', '.dylib')
96 if gst_version_nano > 0
97 # Have GST_ERROR message printed when running from git
98 cdata.set('GST_LEVEL_DEFAULT', 'GST_LEVEL_ERROR')
100 cdata.set('GST_LEVEL_DEFAULT', 'GST_LEVEL_NONE')
103 # GStreamer package name and origin url
104 gst_package_name = get_option('package-name')
105 if gst_package_name == ''
106 if gst_version_nano == 0
107 gst_package_name = 'GStreamer source release'
108 elif gst_version_nano == 1
109 gst_package_name = 'GStreamer git'
111 gst_package_name = 'GStreamer prerelease'
114 cdata.set_quoted('GST_PACKAGE_NAME', gst_package_name)
115 cdata.set_quoted('GST_PACKAGE_ORIGIN', get_option('package-origin'))
117 # These are only needed/used by the ABI tests
119 [ 'x86', 'HAVE_CPU_I386' ],
120 [ 'x86_64', 'HAVE_CPU_X86_64' ],
121 [ 'arm', 'HAVE_CPU_ARM' ],
122 [ 'aarch64', 'HAVE_CPU_AARCH64' ],
123 [ 'mips', 'HAVE_CPU_MIPS' ],
124 [ 'powerpc', 'HAVE_CPU_PPC' ],
125 [ 'powerpc64', 'HAVE_CPU_PPC64' ],
126 [ 'alpha', 'HAVE_CPU_ALPHA' ],
127 [ 'sparc', 'HAVE_CPU_SPARC' ],
128 [ 'ia64', 'HAVE_CPU_IA64' ],
129 [ 'hppa', 'HAVE_CPU_HPPA' ],
130 [ 'm68k', 'HAVE_CPU_M68K' ],
131 [ 's390', 'HAVE_CPU_S390' ],
133 foreach h : host_defines
134 if h.get(0) == host_machine.cpu()
135 cdata.set(h.get(1), 1)
138 # FIXME: should really be called HOST_CPU or such
139 cdata.set_quoted('TARGET_CPU', host_machine.cpu())
162 'valgrind/valgrind.h',
166 if host_system == 'windows'
167 check_headers += ['winsock2.h']
170 foreach h : check_headers
172 define = 'HAVE_' + h.underscorify().to_upper()
177 if cc.has_member('struct tm', 'tm_gmtoff', prefix : '#include <time.h>')
178 cdata.set('HAVE_TM_GMTOFF', 1)
192 # These are needed by libcheck
199 foreach f : check_functions
200 if cc.has_function(f)
201 define = 'HAVE_' + f.underscorify().to_upper()
206 if cc.has_function('localtime_r', prefix : '#include<time.h>')
207 cdata.set('HAVE_LOCALTIME_R', 1)
209 cdata.set('HAVE_DECL_LOCALTIME_R', 1)
212 if cc.links('''#include <pthread.h>
214 pthread_setname_np("example"); return 0;
215 }''', name : 'pthread_setname_np(const char*)')
216 cdata.set('HAVE_PTHREAD_SETNAME_NP_WITHOUT_TID', 1)
219 # Check for posix timers and the monotonic clock
220 time_prefix = '#include <time.h>\n'
221 if cdata.has('HAVE_UNISTD_H')
222 time_prefix += '#include <unistd.h>'
225 posix_timers_src = time_prefix + '''
226 #if !defined(_POSIX_TIMERS) || _POSIX_TIMERS < 0 || !defined(CLOCK_REALTIME)
227 #error Either _POSIX_TIMERS or CLOCK_REALTIME not defined
230 if cc.compiles(posix_timers_src, name : 'posix timers from time.h')
231 cdata.set('HAVE_POSIX_TIMERS', 1)
234 monotonic_clock_src = time_prefix + '''
235 #if !defined(_POSIX_MONOTONIC_CLOCK) || _POSIX_MONOTONIC_CLOCK < 0 || !defined(CLOCK_MONOTONIC)
236 #error Either _POSIX_MONOTONIC_CLOCK or CLOCK_MONOTONIC not defined
239 if cc.compiles(monotonic_clock_src, name : 'monotonic clock from time.h')
240 cdata.set('HAVE_MONOTONIC_CLOCK', 1)
243 # Check for __uint128_t (gcc) by checking for 128-bit division
244 uint128_t_src = '''int main() {
245 static __uint128_t v1 = 100;
246 static __uint128_t v2 = 10;
247 static __uint128_t u;
250 if cc.compiles(uint128_t_src, name : '__uint128_t available')
251 cdata.set('HAVE_UINT128_T', 1)
254 # All supported platforms have long long now
255 cdata.set('HAVE_LONG_LONG', 1)
257 # We only want to use the __declspec(dllexport/import) dance in GST_EXPORT when
259 if cc.get_id() == 'msvc'
260 cdata.set('GSTCONFIG_BUILT_WITH_MSVC', 1)
262 cdata.set('GSTCONFIG_BUILT_WITH_MSVC', 0)
265 # -------------------------------------------------------------------------------------
266 # config.h things needed by libcheck
267 # -------------------------------------------------------------------------------------
268 if cc.has_function('getpid')
269 cdata.set('HAVE_GETPID', 1)
270 elif host_system == 'windows' and cc.has_function('_getpid')
271 cdata.set('HAVE_PROCESS_H', 1) # Used by gstreamer too
272 cdata.set('HAVE__GETPID', 1)
274 if cc.has_function('strdup')
275 cdata.set('HAVE_DECL_STRDUP', 1)
276 elif host_system == 'windows' and cc.has_function('_strdup')
277 cdata.set('HAVE__STRDUP', 1) # Windows (MSVC)
279 if host_system != 'windows'
280 cdata.set('HAVE_FORK', 1)
282 # libcheck requires HAVE_FORK to be 0 when fork() is not available
283 cdata.set('HAVE_FORK', 0)
285 if cc.has_function('strsignal')
286 cdata.set('HAVE_DECL_STRSIGNAL', 1)
288 # Check for availability of types
289 if not cc.has_type('clockid_t', prefix : '#include <time.h>')
290 cdata.set('clockid_t', 'int')
292 if not cc.has_type('timer_t', prefix : '#include <time.h>')
293 cdata.set('timer_t', 'int')
295 if not cc.has_members('struct timespec', 'tv_sec', 'tv_nsec',
296 prefix : '#include <time.h>')
297 cdata.set('STRUCT_TIMESPEC_DEFINITION_MISSING', 1)
299 if not cc.has_members('struct itimerspec', 'it_interval', 'it_value',
300 prefix : '#include <time.h>')
301 cdata.set('STRUCT_ITIMERSPEC_DEFINITION_MISSING', 1)
304 # Platform deps; only ws2_32 and execinfo for now
306 if host_system == 'windows'
307 platform_deps = [cc.find_library('ws2_32')]
311 unwind_dep = dependency('libunwind', required : get_option('libunwind'))
312 dw_dep = dependency('libdw', required: get_option('libunwind'))
313 backtrace_deps = [unwind_dep, dw_dep]
314 if unwind_dep.found()
315 cdata.set('HAVE_UNWIND', 1)
317 cdata.set('HAVE_DW', 1)
319 message('Support for backtraces is partial only.')
322 if cc.has_function('backtrace')
323 cdata.set('HAVE_BACKTRACE', 1)
325 message('NO backtraces support.')
329 if cc.has_header('execinfo.h')
330 if cc.has_function('backtrace', prefix : '#include <execinfo.h>')
331 cdata.set('HAVE_BACKTRACE', 1)
333 execinfo_dep = cc.find_library('execinfo', required : false)
334 if execinfo_dep.found() and cc.has_function('backtrace', prefix : '#include <execinfo.h>', dependencies : execinfo_dep)
335 cdata.set('HAVE_BACKTRACE', 1)
336 platform_deps += execinfo_dep
341 gst_debug = get_option('gst_debug')
343 add_project_arguments(['-Wno-unused'], language: 'c')
347 '-Wmissing-declarations',
348 '-Wmissing-prototypes',
353 '-Wformat-nonliteral',
355 '-Wold-style-definition',
357 '-Wmissing-include-dirs',
359 '-Waggregate-return',
362 '-Wdeclaration-after-statement',
367 foreach extra_arg : warning_flags
368 if cc.has_argument (extra_arg)
369 add_project_arguments([extra_arg], language: 'c')
373 # Used by the gstutils test
374 gmp_dep = cc.find_library('gmp', required : false)
375 cdata.set('HAVE_GMP', gmp_dep.found())
376 gsl_dep = cc.find_library('gsl', required : false)
377 gslcblas_dep = cc.find_library('gslcblas', required : false)
378 cdata.set('HAVE_GSL', gsl_dep.found() and gslcblas_dep.found())
379 test_deps = [gmp_dep, gsl_dep, gslcblas_dep]
382 dl_dep = cc.find_library('dl', required : false)
383 cdata.set('HAVE_DLADDR', cc.has_function('dladdr', dependencies : dl_dep))
384 cdata.set('GST_ENABLE_EXTRA_CHECKS', get_option('extra-checks'))
385 cdata.set('USE_POISONING', get_option('poisoning'))
387 configinc = include_directories('.')
388 libsinc = include_directories('libs')
389 privinc = include_directories('gst')
392 glib_dep = dependency('glib-2.0', version : '>=2.32.0',
393 fallback: ['glib', 'libglib_dep'])
394 gobject_dep = dependency('gobject-2.0',
395 fallback: ['glib', 'libgobject_dep'])
396 gmodule_dep = dependency('gmodule-2.0',
397 fallback: ['glib', 'libgmodule_dep'])
398 if host_system == 'windows'
399 gio_dep = dependency('gio-2.0',
400 fallback: ['glib', 'libgio_dep'])
402 gio_dep = [dependency('gio-2.0',
403 fallback: ['glib', 'libgio_dep']),
404 dependency('gio-unix-2.0',
405 fallback: ['glib', 'libgio_dep'])]
408 mathlib = cc.find_library('m', required : false)
409 # Needed for timer_create/settime/delete
410 # Also provides clock_gettime in glibc < 2.17
411 rt_lib = cc.find_library('rt', required : false)
413 gir = find_program('g-ir-scanner', required : get_option('introspection'))
414 gnome = import('gnome')
416 build_gir = gir.found() and not meson.is_cross_build()
418 gir_init_section = [ '--add-init-section=extern void gst_init(gint*,gchar**);' + \
419 'g_setenv("GST_REGISTRY_DISABLE", "yes", TRUE);' + \
420 'g_setenv("GST_REGISTRY_1.0", "/no/way/this/exists.reg", TRUE);' + \
421 'g_setenv("GST_PLUGIN_PATH_1_0", "", TRUE);' + \
422 'g_setenv("GST_PLUGIN_SYSTEM_PATH_1_0", "", TRUE);' + \
423 'gst_init(NULL,NULL);' ]
425 gst_c_args = ['-DHAVE_CONFIG_H']
427 # FIXME: This is only needed on windows and probably breaks when
428 # default_library = 'both'. We should add this flag to static_c_args instead
429 # when Meson supports it: https://github.com/mesonbuild/meson/issues/3304
430 if get_option('default_library') == 'static'
431 gst_c_args += ['-DGST_STATIC_COMPILATION']
434 # Used in gst/parse/meson.build and below
435 python3 = import('python3').find_python()
437 bashcomp_option = get_option('bash-completion')
438 bashcomp_dep = dependency('bash-completion', version : '>= 2.0', required : bashcomp_option)
439 bash_completions_dir = ''
440 bash_helpers_dir = ''
442 bashcomp_found = false
443 if bashcomp_dep.found()
444 bashcomp_found = true
445 bash_completions_dir = bashcomp_dep.get_pkgconfig_variable('completionsdir', define_variable: ['prefix', '.'])
446 if bash_completions_dir == ''
447 msg = 'Found bash-completion but the .pc file did not set \'completionsdir\'.'
448 if bashcomp_option.enabled()
453 bashcomp_found = false
456 bash_helpers_dir = bashcomp_dep.get_pkgconfig_variable('helpersdir', define_variable: ['prefix', '.'])
457 if bash_helpers_dir == ''
458 msg = 'Found bash-completion, but the .pc file did not set \'helpersdir\'.'
459 if bashcomp_option.enabled()
464 bashcomp_found = false
471 if not get_option('tools').disabled()
478 # xgettext is optional (on Windows for instance)
479 if find_program('xgettext', required : get_option('nls')).found()
480 cdata.set('ENABLE_NLS', 1)
484 configure_file(output : 'config.h', configuration : cdata)
486 if build_machine.system() == 'windows'
487 message('Disabling gtk-doc while building on Windows')
489 if find_program('gtkdoc-scan', required : get_option('gtk_doc')).found()
492 message('Not building documentation as gtk-doc was not found')
496 run_command(python3, '-c', 'import shutil; shutil.copy("hooks/pre-commit.hook", ".git/hooks/pre-commit")')
498 install_data('gst-element-check-1.0.m4', install_dir : join_paths(get_option('datadir'), 'aclocal'))