1 project('gstreamer', 'c',
3 meson_version : '>= 0.46',
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')
27 libtype = get_option('default_library')
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 cdata = configuration_data()
62 cdata.set_quoted('GST_API_VERSION', apiversion)
63 cdata.set_quoted('GST_DATADIR', join_paths(prefix, get_option('datadir')))
64 cdata.set_quoted('LOCALEDIR', join_paths(prefix, get_option('localedir')))
65 cdata.set_quoted('LIBDIR', join_paths(prefix, get_option('libdir')))
66 cdata.set_quoted('GST_API_VERSION', '1.0')
67 cdata.set_quoted('GETTEXT_PACKAGE', 'gstreamer-1.0')
68 cdata.set_quoted('GST_LICENSE', 'LGPL')
69 cdata.set_quoted('PACKAGE', 'gstreamer')
70 cdata.set_quoted('PACKAGE_NAME', 'GStreamer')
71 cdata.set_quoted('PACKAGE_STRING', 'GStreamer @0@'.format(gst_version))
72 cdata.set_quoted('PACKAGE_TARNAME', 'gstreamer')
73 cdata.set_quoted('PACKAGE_BUGREPORT', 'http://bugzilla.gnome.org/enter_bug.cgi?product=GStreamer')
74 cdata.set_quoted('PACKAGE_URL', '')
75 cdata.set_quoted('PACKAGE_VERSION', gst_version)
76 cdata.set_quoted('PLUGINDIR', join_paths(get_option('prefix'), get_option('libdir'), 'gstreamer-1.0'))
77 cdata.set_quoted('VERSION', gst_version)
78 # FIXME: --with-memory-alignment],[8,N,malloc,pagesize (default is 32)]) option
79 cdata.set('MEMORY_ALIGNMENT_MALLOC', 1)
80 cdata.set('ENABLE_NLS', get_option('nls'))
81 cdata.set_quoted('GST_PLUGIN_SCANNER_INSTALLED', join_paths(prefix, helpers_install_dir, 'gst-plugin-scanner'))
82 cdata.set_quoted('GST_PTP_HELPER_INSTALLED', join_paths(prefix, helpers_install_dir, 'gst-ptp-helper'))
83 cdata.set_quoted('GST_PLUGIN_SCANNER_SUBDIR', libexecdir,
84 description: 'libexecdir path component, used to find plugin-scanner on relocatable builds on windows')
86 if host_system == 'darwin'
87 cdata.set_quoted('GST_EXTRA_MODULE_SUFFIX', '.dylib')
90 if gst_version_nano > 0
91 # Have GST_ERROR message printed when running from git
92 cdata.set('GST_LEVEL_DEFAULT', 'GST_LEVEL_ERROR')
94 cdata.set('GST_LEVEL_DEFAULT', 'GST_LEVEL_NONE')
97 # GStreamer package name and origin url
98 gst_package_name = get_option('package-name')
99 if gst_package_name == ''
100 if gst_version_nano == 0
101 gst_package_name = 'GStreamer source release'
102 elif gst_version_nano == 1
103 gst_package_name = 'GStreamer git'
105 gst_package_name = 'GStreamer prerelease'
108 cdata.set_quoted('GST_PACKAGE_NAME', gst_package_name)
109 cdata.set_quoted('GST_PACKAGE_ORIGIN', get_option('package-origin'))
111 # These are only needed/used by the ABI tests
113 [ 'x86', 'HAVE_CPU_I386' ],
114 [ 'x86_64', 'HAVE_CPU_X86_64' ],
115 [ 'arm', 'HAVE_CPU_ARM' ],
116 [ 'aarch64', 'HAVE_CPU_AARCH64' ],
117 [ 'mips', 'HAVE_CPU_MIPS' ],
118 [ 'powerpc', 'HAVE_CPU_PPC' ],
119 [ 'powerpc64', 'HAVE_CPU_PPC64' ],
120 [ 'alpha', 'HAVE_CPU_ALPHA' ],
121 [ 'sparc', 'HAVE_CPU_SPARC' ],
122 [ 'ia64', 'HAVE_CPU_IA64' ],
123 [ 'hppa', 'HAVE_CPU_HPPA' ],
124 [ 'm68k', 'HAVE_CPU_M68K' ],
125 [ 's390', 'HAVE_CPU_S390' ],
127 foreach h : host_defines
128 if h.get(0) == host_machine.cpu()
129 cdata.set(h.get(1), 1)
132 # FIXME: should really be called HOST_CPU or such
133 cdata.set_quoted('TARGET_CPU', host_machine.cpu())
156 'valgrind/valgrind.h',
160 if host_machine.system() == 'windows'
161 check_headers += ['winsock2.h']
164 foreach h : check_headers
166 define = 'HAVE_' + h.underscorify().to_upper()
171 if cc.has_member('struct tm', 'tm_gmtoff', prefix : '#include <time.h>')
172 cdata.set('HAVE_TM_GMTOFF', 1)
186 # These are needed by libcheck
193 foreach f : check_functions
194 if cc.has_function(f)
195 define = 'HAVE_' + f.underscorify().to_upper()
200 if cc.has_function('localtime_r', prefix : '#include<time.h>')
201 cdata.set('HAVE_LOCALTIME_R', 1)
203 cdata.set('HAVE_DECL_LOCALTIME_R', 1)
206 if cc.links('''#include <pthread.h>
208 pthread_setname_np("example"); return 0;
209 }''', name : 'pthread_setname_np(const char*)')
210 cdata.set('HAVE_PTHREAD_SETNAME_NP_WITHOUT_TID', 1)
213 # Check for posix timers and the monotonic clock
214 time_prefix = '#include <time.h>\n'
215 if cdata.has('HAVE_UNISTD_H')
216 time_prefix += '#include <unistd.h>'
219 posix_timers_src = time_prefix + '''
220 #if !defined(_POSIX_TIMERS) || _POSIX_TIMERS < 0 || !defined(CLOCK_REALTIME)
221 #error Either _POSIX_TIMERS or CLOCK_REALTIME not defined
224 if cc.compiles(posix_timers_src, name : 'posix timers from time.h')
225 cdata.set('HAVE_POSIX_TIMERS', 1)
228 monotonic_clock_src = time_prefix + '''
229 #if !defined(_POSIX_MONOTONIC_CLOCK) || _POSIX_MONOTONIC_CLOCK < 0 || !defined(CLOCK_MONOTONIC)
230 #error Either _POSIX_MONOTONIC_CLOCK or CLOCK_MONOTONIC not defined
233 if cc.compiles(monotonic_clock_src, name : 'monotonic clock from time.h')
234 cdata.set('HAVE_MONOTONIC_CLOCK', 1)
237 # Check for __uint128_t (gcc) by checking for 128-bit division
238 uint128_t_src = '''int main() {
239 static __uint128_t v1 = 100;
240 static __uint128_t v2 = 10;
241 static __uint128_t u;
244 if cc.compiles(uint128_t_src, name : '__uint128_t available')
245 cdata.set('HAVE_UINT128_T', 1)
248 # All supported platforms have long long now
249 cdata.set('HAVE_LONG_LONG', 1)
251 # We only want to use the __declspec(dllexport/import) dance in GST_EXPORT when
253 if cc.get_id() == 'msvc'
254 cdata.set('GSTCONFIG_BUILT_WITH_MSVC', 1)
256 cdata.set('GSTCONFIG_BUILT_WITH_MSVC', 0)
259 # -------------------------------------------------------------------------------------
260 # config.h things needed by libcheck
261 # -------------------------------------------------------------------------------------
262 if cc.has_function('getpid')
263 cdata.set('HAVE_GETPID', 1)
264 elif host_system == 'windows' and cc.has_function('_getpid')
265 cdata.set('HAVE_PROCESS_H', 1) # Used by gstreamer too
266 cdata.set('HAVE__GETPID', 1)
268 if cc.has_function('strdup')
269 cdata.set('HAVE_DECL_STRDUP', 1)
270 elif host_system == 'windows' and cc.has_function('_strdup')
271 cdata.set('HAVE__STRDUP', 1) # Windows (MSVC)
273 if host_machine.system() != 'windows'
274 cdata.set('HAVE_FORK', 1)
276 # libcheck requires HAVE_FORK to be 0 when fork() is not available
277 cdata.set('HAVE_FORK', 0)
279 if cc.has_function('strsignal')
280 cdata.set('HAVE_DECL_STRSIGNAL', 1)
282 # Check for availability of types
283 if not cc.has_type('clockid_t', prefix : '#include <time.h>')
284 cdata.set('clockid_t', 'int')
286 if not cc.has_type('timer_t', prefix : '#include <time.h>')
287 cdata.set('timer_t', 'int')
289 if not cc.has_members('struct timespec', 'tv_sec', 'tv_nsec',
290 prefix : '#include <time.h>')
291 cdata.set('STRUCT_TIMESPEC_DEFINITION_MISSING', 1)
293 if not cc.has_members('struct itimerspec', 'it_interval', 'it_value',
294 prefix : '#include <time.h>')
295 cdata.set('STRUCT_ITIMERSPEC_DEFINITION_MISSING', 1)
298 # Platform deps; only ws2_32 and execinfo for now
300 if host_machine.system() == 'windows'
301 platform_deps = [cc.find_library('ws2_32')]
305 if get_option('libunwind')
306 unwind_dep = dependency('libunwind', required : false)
307 dw_dep = dependency('libdw', required: false)
308 backtrace_deps = [unwind_dep, dw_dep]
309 if unwind_dep.found()
310 cdata.set('HAVE_UNWIND', 1)
312 cdata.set('HAVE_DW', 1)
314 message('Support for backtraces is partial only.')
317 if cc.has_function('backtrace')
318 cdata.set('HAVE_BACKTRACE', 1)
320 message('NO backtraces support.')
325 if cc.has_header('execinfo.h')
326 if cc.has_function('backtrace', prefix : '#include <execinfo.h>')
327 cdata.set('HAVE_BACKTRACE', 1)
329 execinfo_dep = cc.find_library('execinfo', required : false)
330 if execinfo_dep.found() and cc.has_function('backtrace', prefix : '#include <execinfo.h>', dependencies : execinfo_dep)
331 cdata.set('HAVE_BACKTRACE', 1)
332 platform_deps += execinfo_dep
337 gst_debug = get_option('gst_debug')
339 add_project_arguments(['-Wno-unused'], language: 'c')
343 '-Wmissing-declarations',
344 '-Wmissing-prototypes',
349 '-Wformat-nonliteral',
351 '-Wold-style-definition',
353 '-Wmissing-include-dirs',
355 '-Waggregate-return',
358 '-Wdeclaration-after-statement',
363 foreach extra_arg : warning_flags
364 if cc.has_argument (extra_arg)
365 add_project_arguments([extra_arg], language: 'c')
369 # Used by the gstutils test
370 gmp_dep = cc.find_library('gmp', required : false)
371 cdata.set('HAVE_GMP', gmp_dep.found())
372 gsl_dep = cc.find_library('gsl', required : false)
373 gslcblas_dep = cc.find_library('gslcblas', required : false)
374 cdata.set('HAVE_GSL', gsl_dep.found() and gslcblas_dep.found())
375 test_deps = [gmp_dep, gsl_dep, gslcblas_dep]
378 dl_dep = cc.find_library('dl', required : false)
379 cdata.set('HAVE_DLADDR', cc.has_function('dladdr', dependencies : dl_dep))
380 cdata.set10('GST_ENABLE_EXTRA_CHECKS', get_option('extra-checks'))
382 configinc = include_directories('.')
383 libsinc = include_directories('libs')
384 privinc = include_directories('gst')
387 glib_dep = dependency('glib-2.0', version : '>=2.32.0',
388 fallback: ['glib', 'libglib_dep'])
389 gobject_dep = dependency('gobject-2.0',
390 fallback: ['glib', 'libgobject_dep'])
391 gmodule_dep = dependency('gmodule-2.0',
392 fallback: ['glib', 'libgmodule_dep'])
393 if host_machine.system() == 'windows'
394 gio_dep = dependency('gio-2.0',
395 fallback: ['glib', 'libgio_dep'])
397 gio_dep = [dependency('gio-2.0',
398 fallback: ['glib', 'libgio_dep']),
399 dependency('gio-unix-2.0',
400 fallback: ['glib', 'libgio_dep'])]
403 mathlib = cc.find_library('m', required : false)
404 # Needed for timer_create/settime/delete
405 # Also provides clock_gettime in glibc < 2.17
406 rt_lib = cc.find_library('rt', required : false)
408 gir = find_program('g-ir-scanner', required : false)
409 gnome = import('gnome')
411 # Fixme, not very elegant.
412 build_gir = gir.found() and not meson.is_cross_build() and get_option('introspection')
414 gir_init_section = [ '--add-init-section=extern void gst_init(gint*,gchar**);' + \
415 'g_setenv("GST_REGISTRY_DISABLE", "yes", TRUE);' + \
416 'g_setenv("GST_REGISTRY_1.0", "/no/way/this/exists.reg", TRUE);' + \
417 'g_setenv("GST_PLUGIN_PATH_1_0", "", TRUE);' + \
418 'g_setenv("GST_PLUGIN_SYSTEM_PATH_1_0", "", TRUE);' + \
419 'gst_init(NULL,NULL);' ]
421 gst_c_args = ['-DHAVE_CONFIG_H']
423 # FIXME: This is only needed on windows and probably breaks when
424 # libtype=='both'. We should add this flag to static_c_args instead when Meson
425 # supports it: https://github.com/mesonbuild/meson/issues/3304
426 if libtype == 'static'
427 gst_c_args += ['-DGST_STATIC_COMPILATION']
430 # Used in gst/parse/meson.build and below
431 python3 = import('python3').find_python()
433 bashcomp_dep = dependency('bash-completion', version : '>= 2.0', required : false)
435 bashcomp_found = bashcomp_dep.found()
436 bash_completions_dir = ''
437 bash_helpers_dir = ''
440 # get_pkgconfig_variable() won't let us set the prefix
441 pkgconfig = find_program('pkg-config')
443 runcmd = run_command(pkgconfig,
444 '--define-variable=prefix=.',
445 '--variable=completionsdir',
448 if (runcmd.returncode() == 0)
449 bash_completions_dir = runcmd.stdout().strip()
451 message('Found bash-completion but the .pc file did not set \'completionsdir\'.')
452 bashcomp_found = false
455 runcmd = run_command(pkgconfig,
456 '--define-variable=prefix=.',
457 '--variable=helpersdir',
460 if (runcmd.returncode() == 0)
461 bash_helpers_dir = runcmd.stdout().strip()
463 message('Found bash-completion, but the .pc file did not set \'helpersdir\'.')
464 bashcomp_found = false
476 # xgettext is optional (on Windows for instance)
477 if get_option('nls') and find_program('xgettext', required : false).found()
481 configure_file(output : 'config.h', configuration : cdata)
483 if build_machine.system() == 'windows'
484 message('Disabling gtk-doc while building on Windows')
485 elif not get_option('gtk_doc')
486 message('gtk-doc is disabled via options')
488 if find_program('gtkdoc-scan', required : false).found()
491 message('Not building documentation as gtk-doc was not found')
495 run_command(python3, '-c', 'import shutil; shutil.copy("hooks/pre-commit.hook", ".git/hooks/pre-commit")')
497 install_data('gst-element-check-1.0.m4', install_dir : join_paths(get_option('datadir'), 'aclocal'))