1 project('gstreamer-full', 'c',
3 meson_version : '>= 0.60.0',
4 default_options : ['buildtype=debugoptimized',
5 # Needed due to https://github.com/mesonbuild/meson/issues/1889,
6 # but this can cause problems in the future. Remove it
7 # when it's no longer necessary.
11 gst_version = '>= @0@'.format(meson.project_version())
13 build_system = build_machine.system()
14 cc = meson.get_compiler('c')
17 gnome = import('gnome')
18 pkgconfig = import('pkgconfig')
19 python3 = import('python').find_installation()
20 # Ensure that we're not being run from inside the development environment
21 # because that will confuse meson, and it might find the already-built
22 # gstreamer. It's fine if people run `ninja` as long as it doesn't run
23 # reconfigure because ninja doesn't care about the env.
24 ensure_not_devenv = '''
26 assert('GST_ENV' not in os.environ)
28 cmdres = run_command(python3, '-c', ensure_not_devenv, check: false)
29 if cmdres.returncode() != 0
30 error('Do not run `ninja reconfigure` or `meson` for gst-build inside the development environment, you will run into problems')
33 # Install gst-indent pre-commit hook
34 run_command(python3, '-c', 'import shutil; shutil.copy("scripts/git-hooks/multi-pre-commit.hook", ".git/hooks/pre-commit")', check: false)
36 # Ensure that the user does not have Strawberry Perl in PATH, since it ships
37 # with a pkg-config.bat and broken pkgconfig files for libffi and zlib. Will
38 # cause a build error, such as in
39 # https://gitlab.freedesktop.org/gstreamer/gst-build/-/issues/41
40 ensure_no_strawberry_perl = '''
42 assert(r'Strawberry\perl\bin' not in os.environ['PATH'])
44 if build_system == 'windows' and meson.version().version_compare('<0.60.0')
45 cmdres = run_command(python3, '-c', ensure_no_strawberry_perl, check: false)
46 if cmdres.returncode() != 0
47 error('You have Strawberry Perl in PATH which is known to cause build issues with Meson < 0.60.0. Please remove it from PATH, uninstall it, or upgrade Meson.')
51 documented_projects = ''
52 # Make it possible to use msys2 built zlib which fails
53 # when not using the mingw toolchain as it uses unistd.h
54 if not meson.is_subproject() and cc.get_id() == 'msvc'
55 uname = find_program('uname', required: false)
57 ret = run_command(uname, '-o', check: false)
58 if ret.returncode() == 0 and ret.stdout().to_lower() == 'msys'
59 ret = run_command(uname, '-r', check: false)
60 # The kernel version returned by uname is actually the msys version
61 if ret.returncode() == 0 and ret.stdout().startswith('2')
62 # If a system zlib is found, disable UNIX features in zlib.h and zconf.h
63 if cc.find_library('z').found()
64 add_global_arguments('-DZ_SOLO', language: 'c')
71 # Ensure that MSVC interprets all source code as UTF-8. Only do this when we're
72 # not a subproject, because subprojects are not allowed to call
73 # add_global_arguments().
74 if not meson.is_subproject() and cc.get_id() == 'msvc'
76 cc.get_supported_arguments(['/utf-8']), # set the input encoding to utf-8
77 language: ['c', 'cpp'])
80 building_full = get_option('default_library') == 'static'
81 tools_option = 'tools=auto'
82 if building_full and not get_option('tools').disabled()
83 # Do not build subprojects tools when we build them against gst-full
84 tools_option = 'tools=disabled'
87 # Ordered list of subprojects (dict has no ordering guarantees)
89 ['gstreamer', {'build-hotdoc': true, 'subproject_options': [tools_option]}],
90 ['gst-plugins-base', {'option': get_option('base'), 'build-hotdoc': true}],
91 ['gst-plugins-good', {'option': get_option('good'), 'build-hotdoc': true}],
92 ['libnice', { 'option': get_option('libnice'), 'match_gst_version': false}],
93 ['gst-plugins-bad', { 'option': get_option('bad'), 'build-hotdoc': true}],
94 ['gst-plugins-ugly', { 'option': get_option('ugly'), 'build-hotdoc': true}],
95 ['gst-libav', { 'option': get_option('libav'), 'build-hotdoc': true}],
96 ['gst-rtsp-server', { 'option': get_option('rtsp_server'), 'build-hotdoc': true}],
97 ['gst-devtools', { 'option': get_option('devtools'), 'build-hotdoc': true, 'subproject_options': [tools_option]}],
98 ['gst-integration-testsuites', { 'option': get_option('devtools') }],
99 ['gst-editing-services', { 'option': get_option('ges'), 'build-hotdoc': true, 'subproject_options': [tools_option]}],
100 ['gstreamer-vaapi', { 'option': get_option('vaapi'), 'build-hotdoc': true}],
101 ['gst-omx', { 'option': get_option('omx'), 'build-hotdoc': true}],
102 ['gstreamer-sharp', { 'option': get_option('sharp') }],
103 ['pygobject', { 'option': get_option('python'), 'match_gst_version': false, 'sysdep': 'pygobject-3.0', 'sysdep_version': '>= 3.8' }],
104 ['gst-python', { 'option': get_option('python')}],
105 ['gst-examples', { 'option': get_option('gst-examples'), 'match_gst_versions': false}],
106 ['gst-plugins-rs', { 'option': get_option('rs'), 'match_gst_version': false}],
112 os.symlink(os.path.join('@1@', 'subprojects', '@0@'),
113 os.path.join('@1@', '@0@'))
116 if build_system == 'windows'
117 subproject('win-flex-bison-binaries')
118 subproject('win-nasm')
119 elif build_system == 'darwin'
120 subproject('macos-bison-binary')
123 orc_subproject = subproject('orc', required: get_option('orc'))
125 foreach custom_subproj: get_option('custom_subprojects').split(',')
126 if custom_subproj != ''
127 message ('Adding custom subproject ' + custom_subproj)
128 subprojects += [[custom_subproj, {'match_gst_version': false}]]
133 subprojects_names = []
134 plugins_doc_caches = []
135 orc_update_targets = []
138 # Using a list and not a dict to keep the ordering to build the chain of `gir`
141 foreach sp : subprojects
144 is_required = build_infos.get('option', true)
145 sysdep = build_infos.get('sysdep', '')
146 sysdep_version = build_infos.get('sysdep_version', '')
147 match_gst_version = build_infos.get('match_gst_version', true)
148 default_options = build_infos.get('subproject_options', [])
151 subproj = subproject(project_name, version: gst_version, required: is_required, default_options: default_options)
153 sysdep_dep = dependency(sysdep, version: sysdep_version, required: false, default_options: default_options)
154 if not sysdep_dep.found()
155 subproj = subproject(project_name, required: is_required, default_options: default_options)
158 subproj = subproject(project_name, required: is_required, default_options: default_options)
162 plugins = subproj.get_variable('plugins', [])
163 all_plugins += plugins
164 all_libraries += subproj.get_variable('libraries', [])
165 if not get_option('tools').disabled()
166 all_tools += subproj.get_variable('gst_tools', {})
169 orc_update_targets += subproj.get_variable('orc_update_targets', [])
171 subprojects_names += [project_name]
173 if not meson.is_cross_build() and build_infos.get('build-hotdoc', false)
174 if plugins.length() > 0
175 plugins_doc_caches += [subproj.get_variable('plugins_doc_dep', [])]
177 if documented_projects != ''
178 documented_projects += ','
180 documented_projects += project_name
185 # Check if we need to also build glib-networking for TLS modules
186 glib_dep = dependency('glib-2.0')
187 if glib_dep.type_name() == 'internal'
188 subproject('glib-networking', required : get_option('tls'),
189 default_options: ['gnutls=auto', 'openssl=auto'])
192 plugins_doc_dep = custom_target('plugins-doc-cache',
193 command: [python3, '-c', 'print("Built all doc caches")'],
194 input: plugins_doc_caches,
195 output: 'plugins_doc_caches',
199 if meson.is_cross_build() or build_machine.system() == 'windows'
200 if get_option('doc').enabled()
201 error('Documentation enabled but building the doc while cross building or building on windows is not supported yet.')
204 documented_projects = ''
205 message('Documentation not built as building the documentation while cross building or building on windows is not supported yet.')
207 hotdoc_p = find_program('hotdoc', required : get_option('doc'))
208 if not hotdoc_p.found()
209 documented_projects = ''
210 message('Not building documentation as hotdoc was not found')
214 write_file_contents = '''
218 assert len(sys.argv) >= 3
220 contents = sys.argv[2]
222 with open(fname, 'w') as f:
227 output : 'GstDocumentedSubprojects',
229 '-c', write_file_contents,
234 if documented_projects != ''
235 subproject('gst-docs', required: get_option('doc').enabled())
236 message('Gst docs subprojects: ' + documented_projects)
239 all_plugins_paths = []
240 all_plugins_dirs = []
241 foreach plugin: all_plugins
242 all_plugins_paths += plugin.full_path()
243 all_plugins_dirs += fs.parent(plugin.full_path())
245 # Work around meson bug: https://github.com/mesonbuild/meson/pull/6770
246 pathsep = host_machine.system() == 'windows' ? ';' : ':'
247 all_plugins_paths = pathsep.join(all_plugins_paths)
249 devenv = environment()
250 devenv.prepend('GST_PLUGIN_PATH', all_plugins_dirs)
251 devenv.set('CURRENT_GST', meson.current_source_dir())
252 devenv.set('GST_VERSION', meson.project_version())
253 devenv.set('GST_ENV', 'gst-' + meson.project_version())
254 devenv.set('GST_REGISTRY', meson.current_build_dir() / 'registry.dat')
255 devenv.set('GST_PLUGIN_SYSTEM_PATH', '')
256 meson.add_devenv(devenv)
258 generate_plugins_paths = find_program('scripts/generate_plugins_path.py')
260 output : 'GstPluginsPath.json',
261 command : [generate_plugins_paths,
267 cdata = configuration_data()
268 cdata.set_quoted('GST_API_VERSION', apiversion)
269 cdata.set_quoted('GETTEXT_PACKAGE', 'gstreamer-full-1.0')
270 cdata.set_quoted('PACKAGE_VERSION', gst_version)
271 cdata.set_quoted('GST_PACKAGE_ORIGIN', get_option('package-origin'))
272 configure_file(output : 'config.h', configuration : cdata)
273 configinc = include_directories('.')
274 gst_c_args = ['-DHAVE_CONFIG_H']
276 # Generate a .c file which declare and register all built plugins
278 foreach plugin: all_plugins
279 plugins_names += plugin.full_path()
281 all_plugin_names = ';'.join(plugins_names)
283 static_plugins = get_option('gst-full-plugins')
284 if static_plugins == '*'
285 static_plugins = all_plugin_names
287 generate_init_static_plugins = find_program('scripts/generate_init_static_plugins.py')
288 init_static_plugins_c = configure_file(
289 output: 'gstinitstaticplugins.c',
290 command : [generate_init_static_plugins,
292 '-p ' + static_plugins,
293 '-e ' + get_option('gst-full-elements'),
294 '-t ' + get_option('gst-full-typefind-functions'),
295 '-d ' + get_option('gst-full-device-providers'),
296 '-T ' + get_option('gst-full-dynamic-types')
300 gstfull_link_args = cc.get_supported_link_arguments(['-Wl,-Bsymbolic-functions'])
302 # Get a list of libraries that needs to be exposed in the ABI.
307 wanted_libs = ['gstreamer-1.0'] + get_option('gst-full-libraries')
308 all_libs = '*' in wanted_libs
310 foreach pkgname_library : all_libraries
311 pkg_name = pkgname_library[0]
312 lib_def = pkgname_library[1]
314 if pkg_name in wanted_libs or all_libs
315 if lib_def.has_key('lib')
316 exposed_deps += dependency(pkg_name)
317 incdir_deps += dependency(pkg_name).partial_dependency(includes: true, sources: true)
318 exposed_libs += [lib_def['lib']]
321 if lib_def.has_key('gir')
322 exposed_girs += lib_def['gir']
327 # glib and gobject are part of our public API. If we are using glib from the
328 # system then our pkg-config file must require it. If we built it as
329 # subproject then we need to link_whole it.
331 glib_dep = dependency('glib-2.0')
332 gobject_dep = dependency('gobject-2.0')
333 if gobject_dep.type_name() == 'internal'
334 glib_subproject = subproject('glib')
335 exposed_libs += glib_subproject.get_variable('libglib')
336 exposed_libs += glib_subproject.get_variable('libgobject')
338 glib_dep.partial_dependency(includes: true),
339 gobject_dep.partial_dependency(includes: true),
342 glib_deps = [glib_dep, gobject_dep]
346 if get_option('gst-full-version-script') != ''
347 symbol_map = meson.current_source_dir() / get_option('gst-full-version-script')
348 link_arg = '-Wl,--version-script=' + symbol_map
349 if cc.has_link_argument(link_arg)
350 gstfull_link_args += link_arg
351 link_deps += symbol_map
352 elif cc.get_id() == 'msvc'
353 warning('FIXME: Provide a def file to publish the public symbols')
355 warning('FIXME: Linker does not support the supplied version script (' + symbol_map + '), please disable the "gst-full-version-script" option')
359 # Build both shared and static library
360 gstfull = both_libraries('gstreamer-full-1.0',
361 init_static_plugins_c,
362 link_with : all_plugins,
363 link_args: gstfull_link_args,
364 link_whole : exposed_libs,
365 dependencies : incdir_deps + glib_deps,
366 link_depends : link_deps,
370 gst_full_dep = declare_dependency(link_with: gstfull.get_shared_lib(),
371 dependencies : incdir_deps + glib_deps,
372 include_directories: include_directories('.')
375 gst_full_libs_private = cc.get_supported_link_arguments(['-Wl,--undefined=gst_init_static_plugins'])
376 if gst_full_libs_private == []
377 warning('The compiler does not support `-Wl,--undefined` linker flag. The method `gst_init_static_plugins` might be dropped during the link stage of an application using libgstreamer-full-1.0.a, preventing plugins registration.')
380 if not get_option('introspection').disabled()
382 foreach gir: exposed_girs
384 foreach include: gir.get('includes', [])
385 includes += [built_girs.get(include, include)]
389 'includes': includes,
390 'extra_args': gir.get('extra_args', []) + ['--add-include-path=' + meson.current_build_dir()],
393 built_girs += {gir.get('namespace') + '-' + gir.get('nsversion'): gnome.generate_gir(gstfull, kwargs: gir)[0]}
397 pkgconfig.generate(gstfull,
399 libraries_private: gst_full_libs_private,
400 subdirs : 'gstreamer-1.0')
401 meson.override_dependency('gstreamer-full-1.0', gst_full_dep)
403 if not get_option('tools').disabled()
404 foreach tool, data: all_tools
405 exe_name = '@0@-@1@'.format(tool, apiversion)
406 extra_args = data.get('extra_c_args', [])
407 sources = data.get('files')
409 foreach d : data.get('deps', [])
410 if d not in exposed_deps
418 include_directories : [configinc],
419 dependencies : [gst_full_dep] + deps,
420 c_args: extra_args + gst_c_args + ['-DG_LOG_DOMAIN="@0@"'.format(exe_name)],
423 if data.has_key('man_page')
424 install_man(data.get('man_page'))
431 message('Building subprojects: ' + ', '.join(subprojects_names))
433 setenv = find_program('gst-env.py')
435 devenv_cmd = [setenv, '--builddir=@0@'.format(meson.global_build_root()),
436 '--srcdir=@0@'.format(meson.global_source_root())]
441 if meson.can_run_host_binaries() and build_machine.system() == 'linux' and host_machine.system() == 'windows'
442 # FIXME: Ideally we could get the wrapper directly from meson
443 devenv_cmd += ['--wine', host_machine.cpu_family() == 'x86_64' ? 'wine64' : 'wine32']
444 sysroot = meson.get_cross_property('sys_root')
447 devenv_cmd += ['--winepath', 'Z:' + join_paths(sysroot, 'bin')]
451 run_target('devenv', command : devenv_cmd)
453 if orc_subproject.found() and orc_update_targets.length() > 0
454 alias_target('update-orc-dist', orc_update_targets)
457 dotnet_format = find_program('dotnet-format', required: false)
458 if dotnet_format.found()
459 run_target('csharp_format_check',
460 command: [join_paths(meson.current_source_dir(), 'scripts', 'format-csharp'),
464 run_target('csharp_format_apply',
465 command: [join_paths(meson.current_source_dir(), 'scripts', 'format-csharp'),
471 'gstreamer-full library': building_full,
472 }, section: 'Build options', bool_yn: true, list_sep: ' ')
475 foreach tool, data: all_tools
481 }, section: 'Build options', list_sep: ', ')