1 project('gst-plugins-base', '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 have_cxx = add_languages('cpp', required : false)
20 have_objc = add_languages('objc', required : false)
22 glib_req = '>= 2.40.0'
24 gst_req = '>= @0@.@1@.0'.format(gst_version_major, gst_version_minor)
28 # maintaining compatibility with the previous libtool versioning
29 # current = minor * 100 + micro
30 # FIXME: should be able to convert string to int somehow so we can just do maths
31 libversion = '@0@.@1@.0'.format(soversion, gst_version_minor * 100 + gst_version_micro)
33 plugins_install_dir = '@0@/gstreamer-1.0'.format(get_option('libdir'))
35 cc = meson.get_compiler('c')
36 host_system = host_machine.system()
38 if cc.get_id() == 'msvc'
39 # Ignore several spurious warnings for things gstreamer does very commonly
40 # If a warning is completely useless and spammy, use '/wdXXXX' to suppress it
41 # If a warning is harmless but hard to fix, use '/woXXXX' so it's shown once
42 # NOTE: Only add warnings here if you are sure they're spurious
43 add_project_arguments(
44 '/wd4018', # implicit signed/unsigned conversion
45 '/wd4146', # unary minus on unsigned (beware INT_MIN)
46 '/wd4244', # lossy type conversion (e.g. double -> int)
47 '/wd4305', # truncating type conversion (e.g. double -> float)
49 # Disable SAFESEH with MSVC for plugins and libs that use external deps that
50 # are built with MinGW
51 noseh_link_args = ['/SAFESEH:NO']
56 if cc.has_link_argument('-Wl,-Bsymbolic-functions')
57 add_project_link_arguments('-Wl,-Bsymbolic-functions', language : 'c')
61 if cc.has_argument('-fvisibility=hidden')
62 add_project_arguments('-fvisibility=hidden', language: 'c')
65 # Disable strict aliasing
66 if cc.has_argument('-fno-strict-aliasing')
67 add_project_arguments('-fno-strict-aliasing', language: 'c')
70 # Define G_DISABLE_DEPRECATED for development versions
72 message('Disabling deprecated GLib API')
73 add_project_arguments('-DG_DISABLE_DEPRECATED', language: 'c')
76 cast_checks = get_option('gobject-cast-checks')
77 if cast_checks.disabled() or (cast_checks.auto() and not gst_version_is_dev)
78 message('Disabling GLib cast checks')
79 add_project_arguments('-DG_DISABLE_CAST_CHECKS', language: 'c')
82 glib_asserts = get_option('glib-asserts')
83 if glib_asserts.disabled() or (glib_asserts.auto() and not gst_version_is_dev)
84 message('Disabling GLib asserts')
85 add_project_arguments('-DG_DISABLE_ASSERT', language: 'c')
88 core_conf = configuration_data()
90 ['HAVE_DLFCN_H', 'dlfcn.h'],
91 ['HAVE_EMMINTRIN_H', 'emmintrin.h'],
92 ['HAVE_INTTYPES_H', 'inttypes.h'],
93 ['HAVE_MEMORY_H', 'memory.h'],
94 ['HAVE_PROCESS_H', 'process.h'],
95 ['HAVE_SMMINTRIN_H', 'smmintrin.h'],
96 ['HAVE_STDINT_H', 'stdint.h'],
97 ['HAVE_STDLIB_H', 'stdlib.h'],
98 ['HAVE_STRINGS_H', 'strings.h'],
99 ['HAVE_STRING_H', 'string.h'],
100 ['HAVE_SYS_SOCKET_H', 'sys/socket.h'],
101 ['HAVE_SYS_STAT_H', 'sys/stat.h'],
102 ['HAVE_SYS_TYPES_H', 'sys/types.h'],
103 ['HAVE_SYS_WAIT_H', 'sys/wait.h'],
104 ['HAVE_UNISTD_H', 'unistd.h'],
105 ['HAVE_WINSOCK2_H', 'winsock2.h'],
106 ['HAVE_XMMINTRIN_H', 'xmmintrin.h'],
107 ['HAVE_LINUX_DMA_BUF_H', 'linux/dma-buf.h'],
109 foreach h : check_headers
110 if cc.has_header(h.get(1))
111 core_conf.set(h.get(0), 1)
116 ['HAVE_DCGETTEXT', 'dcgettext', '#include<libintl.h>'],
117 ['HAVE_GMTIME_R', 'gmtime_r', '#include<time.h>'],
118 ['HAVE_LRINTF', 'lrintf', '#include<math.h>'],
119 ['HAVE_MMAP', 'mmap', '#include<sys/mman.h>'],
120 ['HAVE_LOG2', 'log2', '#include<math.h>'],
123 libm = cc.find_library('m', required : false)
124 foreach f : check_functions
125 if cc.has_function(f.get(1), prefix : f.get(2), dependencies : libm)
126 core_conf.set(f.get(0), 1)
130 core_conf.set('SIZEOF_CHAR', cc.sizeof('char'))
131 core_conf.set('SIZEOF_INT', cc.sizeof('int'))
132 core_conf.set('SIZEOF_LONG', cc.sizeof('long'))
133 core_conf.set('SIZEOF_SHORT', cc.sizeof('short'))
134 core_conf.set('SIZEOF_VOIDP', cc.sizeof('void*'))
136 core_conf.set_quoted('GETTEXT_PACKAGE', 'gst-plugins-base-1.0')
137 core_conf.set_quoted('LOCALEDIR', join_paths(get_option('prefix'), get_option('localedir')))
138 core_conf.set_quoted('PACKAGE', 'gst-plugins-base')
139 core_conf.set_quoted('VERSION', gst_version)
140 core_conf.set_quoted('PACKAGE_VERSION', gst_version)
141 core_conf.set_quoted('GST_API_VERSION', api_version)
142 core_conf.set_quoted('GST_DATADIR', join_paths(get_option('prefix'), get_option('datadir')))
143 core_conf.set_quoted('GST_LICENSE', 'LGPL')
145 install_plugins_helper = get_option('install_plugins_helper')
146 if install_plugins_helper == ''
147 install_plugins_helper = join_paths(get_option('prefix'),
148 get_option('libexecdir'),
149 'gst-install-plugins-helper')
151 core_conf.set_quoted('GST_INSTALL_PLUGINS_HELPER', install_plugins_helper)
154 '-Wmissing-declarations',
159 '-Wformat-nonliteral',
162 '-Wmissing-include-dirs',
170 '-Wmissing-prototypes',
171 '-Wdeclaration-after-statement',
174 warning_cxx_flags = [
175 '-Waggregate-return',
179 cxx = meson.get_compiler('cpp')
180 foreach extra_arg : warning_cxx_flags
181 if cxx.has_argument (extra_arg)
182 add_project_arguments([extra_arg], language: 'cpp')
187 foreach extra_arg : warning_flags
188 if cc.has_argument (extra_arg)
189 add_project_arguments([extra_arg], language: 'c')
191 if have_cxx and cxx.has_argument (extra_arg)
192 add_project_arguments([extra_arg], language: 'cpp')
196 foreach extra_arg : warning_c_flags
197 if cc.has_argument (extra_arg)
198 add_project_arguments([extra_arg], language: 'c')
202 # GStreamer package name and origin url
203 gst_package_name = get_option('package-name')
204 if gst_package_name == ''
205 if gst_version_nano == 0
206 gst_package_name = 'GStreamer Base Plug-ins source release'
207 elif gst_version_nano == 1
208 gst_package_name = 'GStreamer Base Plug-ins git'
210 gst_package_name = 'GStreamer Base Plug-ins prerelease'
213 core_conf.set_quoted('GST_PACKAGE_NAME', gst_package_name)
214 core_conf.set_quoted('GST_PACKAGE_ORIGIN', get_option('package-origin'))
216 # FIXME: These should be configure options
217 core_conf.set_quoted('DEFAULT_VIDEOSINK', 'autovideosink')
218 core_conf.set_quoted('DEFAULT_AUDIOSINK', 'autoaudiosink')
220 # Set whether the audioresampling method should be detected at runtime
221 core_conf.set('AUDIORESAMPLE_FORMAT_' + get_option('audioresample_format').to_upper(), true)
223 gst_plugins_base_args = ['-DHAVE_CONFIG_H']
224 if get_option('default_library') == 'static'
225 gst_plugins_base_args += ['-DGST_STATIC_COMPILATION']
228 # X11 checks are for sys/ and tests/
229 x11_dep = dependency('x11', required : get_option('x11'))
230 # GLib checks are for the entire project
231 # Almost everything that uses glib also uses gobject
232 glib_deps = [dependency('glib-2.0', version : glib_req, fallback: ['glib', 'libglib_dep']),
233 dependency('gobject-2.0', fallback: ['glib', 'libgobject_dep'])]
234 # GIO is used by the GIO plugin, and by the TCP, SDP, and RTSP plugins
235 gio_dep = dependency('gio-2.0', fallback: ['glib', 'libgio_dep'])
236 giounix_dep = dependency('gio-unix-2.0', version : glib_req, required : host_system != 'windows',
237 fallback: ['glib', 'libgiounix_dep'])
238 gmodule_dep = dependency('gmodule-no-export-2.0',
239 fallback: ['glib', 'libgmodule_dep'])
241 # some of the examples can use gdk-pixbuf and GTK+3
242 gdk_pixbuf_dep = dependency('gdk-pixbuf-2.0', required : get_option('examples'))
243 gtk_dep = dependency('gtk+-3.0', version : '>= 3.10', required : get_option('examples'))
244 # TODO: https://github.com/mesonbuild/meson/issues/3941
245 if not get_option('x11').disabled()
246 gtk_x11_dep = dependency('gtk+-x11-3.0', version : '>= 3.10', required : get_option('examples'))
248 gtk_x11_dep = dependency('', required : false)
250 # gtk+ quartz backend is only available on macOS
251 if host_system == 'darwin'
252 gtk_quartz_dep = dependency('gtk+-quartz-3.0', version : '>= 3.10', required : get_option('examples'))
254 gtk_quartz_dep = dependency('', required : false)
257 core_conf.set('HAVE_X', x11_dep.found())
258 core_conf.set('HAVE_GIO_UNIX_2_0', giounix_dep.found())
260 if gio_dep.type_name() == 'pkgconfig'
261 core_conf.set_quoted('GIO_MODULE_DIR',
262 gio_dep.get_pkgconfig_variable('giomoduledir'))
263 core_conf.set_quoted('GIO_LIBDIR',
264 gio_dep.get_pkgconfig_variable('libdir'))
265 core_conf.set_quoted('GIO_PREFIX',
266 gio_dep.get_pkgconfig_variable('prefix'))
268 core_conf.set_quoted('GIO_MODULE_DIR', join_paths(get_option('prefix'),
269 get_option('libdir'), 'gio/modules'))
270 core_conf.set_quoted('GIO_LIBDIR', join_paths(get_option('prefix'),
271 get_option('libdir')))
272 core_conf.set_quoted('GIO_PREFIX', get_option('prefix'))
275 configinc = include_directories('.')
276 libsinc = include_directories('gst-libs')
278 # To use the subproject make subprojects directory
279 # and put gstreamer meson git there (symlinking is fine)
280 gst_dep = dependency('gstreamer-1.0', version : gst_req,
281 fallback : ['gstreamer', 'gst_dep'])
282 gst_base_dep = dependency('gstreamer-base-1.0', version : gst_req,
283 fallback : ['gstreamer', 'gst_base_dep'])
284 gst_net_dep = dependency('gstreamer-net-1.0', version : gst_req,
285 fallback : ['gstreamer', 'gst_net_dep'])
286 if host_system != 'windows'
287 gst_check_dep = dependency('gstreamer-check-1.0', version : gst_req,
288 required : get_option('tests'),
289 fallback : ['gstreamer', 'gst_check_dep'])
291 gst_controller_dep = dependency('gstreamer-controller-1.0', version : gst_req,
292 fallback : ['gstreamer', 'gst_controller_dep'])
296 # Used by various libraries/elements that use Orc code
297 orc_dep = dependency('orc-0.4', version : orc_req, required : get_option('orc'))
298 orcc = find_program('orcc', required : get_option('orc'))
299 if orc_dep.found() and orcc.found()
301 orcc_args = [orcc, '--include', 'glib.h']
302 core_conf.set('HAVE_ORC', 1)
304 message('Orc Compiler not found or disabled, will use backup C code')
305 core_conf.set('DISABLE_ORC', 1)
308 # Used to build SSE* things in audio-resampler
311 sse41_args = '-msse4.1'
313 have_sse = cc.has_argument(sse_args)
314 have_sse2 = cc.has_argument(sse2_args)
315 have_sse41 = cc.has_argument(sse41_args)
317 if gst_dep.type_name() == 'internal'
318 gst_proj = subproject('gstreamer')
320 if not gst_proj.get_variable('gst_debug')
321 message('GStreamer debug system is disabled')
322 add_project_arguments('-Wno-unused', language: 'c')
324 message('GStreamer debug system is enabled')
327 # We can't check that in the case of subprojects as we won't
328 # be able to build against an internal dependency (which is not built yet)
329 if not cc.compiles('''
330 #include <gst/gstconfig.h>
331 #ifdef GST_DISABLE_GST_DEBUG
332 #error "debugging disabled, make compiler fail"
333 #endif''' , dependencies: gst_dep)
334 message('GStreamer debug system is disabled')
335 add_project_arguments('-Wno-unused', language: 'c')
337 message('GStreamer debug system is enabled')
341 gir = find_program('g-ir-scanner', required : get_option('introspection'))
342 gnome = import('gnome')
343 build_gir = gir.found() and not meson.is_cross_build()
344 gir_init_section = [ '--add-init-section=extern void gst_init(gint*,gchar**);' + \
345 'g_setenv("GST_REGISTRY_DISABLE", "yes", TRUE);' + \
346 'g_setenv("GST_REGISTRY_1.0", "@0@", TRUE);'.format(meson.current_build_dir() + '/gir_empty_registry.reg') + \
347 'g_setenv("GST_PLUGIN_PATH_1_0", "", TRUE);' + \
348 'g_setenv("GST_PLUGIN_SYSTEM_PATH_1_0", "", TRUE);' + \
349 'gst_init(NULL,NULL);' ]
351 pkgconfig = import('pkgconfig')
352 plugins_pkgconfig_install_dir = join_paths(plugins_install_dir, 'pkgconfig')
353 if get_option('default_library') == 'shared'
354 # If we don't build static plugins there is no need to generate pc files
355 plugins_pkgconfig_install_dir = disabler()
362 if not get_option('tools').disabled()
368 # xgettext is optional (on Windows for instance)
369 if find_program('xgettext', required : get_option('nls')).found()
370 core_conf.set('ENABLE_NLS', 1)
374 if build_machine.system() == 'windows'
375 message('Disabling gtk-doc while building on Windows')
377 if find_program('gtkdoc-scan', required : get_option('gtk_doc')).found()
380 message('Not building documentation as gtk-doc was not found')
384 # Use core_conf after all subdirs have set values
385 configure_file(output : 'config.h', configuration : core_conf)
387 python3 = import('python3').find_python()
388 run_command(python3, '-c', 'import shutil; shutil.copy("hooks/pre-commit.hook", ".git/hooks/pre-commit")')