project('All GStreamer modules', 'c', version : '1.17.2.1', meson_version : '>= 0.52.0', default_options : ['buildtype=debugoptimized']) gst_version = '>= @0@'.format(meson.project_version()) gst_branch = 'master' build_system = build_machine.system() cc = meson.get_compiler('c') pkgconfig = import('pkgconfig') python3 = import('python').find_installation() # Ensure that we're not being run from inside the gst-uninstalled env # because that will confuse meson, and it might find the already-built # gstreamer. It's fine if people run `ninja` as long as it doesn't run # reconfigure because ninja doesn't care about the env. ensure_not_uninstalled = ''' import os assert('GST_ENV' not in os.environ) ''' cmdres = run_command(python3, '-c', ensure_not_uninstalled) if cmdres.returncode() != 0 error('Do not run `ninja` or `meson` for gst-build inside the uninstalled environment, you will run into problems') endif documented_projects = '' # Make it possible to use msys2 built zlib which fails # when not using the mingw toolchain as it uses unistd.h if not meson.is_subproject() and cc.get_id() == 'msvc' uname = find_program('uname', required: false) if uname.found() ret = run_command(uname, '-o') if ret.returncode() == 0 and ret.stdout().to_lower() == 'msys' ret = run_command(uname, '-r') # The kernel version returned by uname is actually the msys version if ret.returncode() == 0 and ret.stdout().startswith('2') # If a system zlib is found, disable UNIX features in zlib.h and zconf.h if cc.find_library('z').found() add_global_arguments('-DZ_SOLO', language: 'c') endif endif endif endif # Change some warning which belong to level 3 (production quality) or # 4 (informational) to level 1 (severe) add_global_arguments ( '/w14062', # enumerator 'identifier' in switch of enum 'enumeration' is not handled '/w14101', # 'identifier' : unreferenced local variable '/w14189', # 'identifier' : local variable is initialized but not referenced cc.get_supported_arguments(['/utf-8']), # set the input encoding to utf-8 language: ['c', 'cpp']) endif # Ordered list of subprojects (dict has no ordering guarantees) subprojects = [ ['gstreamer', {'build-hotdoc': true}], ['gst-plugins-base', {'build-hotdoc': true}], ['gst-plugins-good', {'build-hotdoc': true}], ['libnice', { 'option': get_option('libnice'), 'match_gst_version': false}], ['gst-plugins-bad', { 'option': get_option('bad'), 'build-hotdoc': true}], ['gst-plugins-ugly', { 'option': get_option('ugly'), 'build-hotdoc': true}], ['gst-libav', { 'option': get_option('libav'), 'build-hotdoc': true}], ['gst-rtsp-server', { 'option': get_option('rtsp_server'), 'build-hotdoc': true}], ['gst-devtools', { 'option': get_option('devtools'), 'build-hotdoc': true }], ['gst-integration-testsuites', { 'option': get_option('devtools') }], ['gst-editing-services', { 'option': get_option('ges'), 'build-hotdoc': true}], ['gstreamer-vaapi', { 'option': get_option('vaapi'), 'build-hotdoc': true}], ['gst-omx', { 'option': get_option('omx'), 'build-hotdoc': true}], ['gstreamer-sharp', { 'option': get_option('sharp') }], ['pygobject', { 'option': get_option('python'), 'match_gst_version': false }], ['gst-python', { 'option': get_option('python')}], ['gst-examples', { 'option': get_option('gst-examples'), 'match_gst_versions': false}], ['gst-plugins-rs', { 'option': get_option('rs'), 'match_gst_version': false}], ] symlink = ''' import os os.symlink(os.path.join('@1@', 'subprojects', '@0@'), os.path.join('@1@', '@0@')) ''' if build_system == 'windows' subproject('win-flex-bison-binaries') subproject('win-nasm') endif orc_subproject = subproject('orc', required: get_option('orc')) subprojects_names = [] plugins_doc_caches = [] orc_update_targets = [] all_plugins = [] foreach sp : subprojects project_name = sp[0] build_infos = sp[1] is_required = build_infos.get('option', true) match_gst_version = build_infos.get('match_gst_version', true) if match_gst_version subproj = subproject(project_name, version: gst_version, required: is_required) else subproj = subproject(project_name, required: is_required) endif if subproj.found() plugins = subproj.get_variable('plugins', []) all_plugins += plugins orc_update_targets += subproj.get_variable('orc_update_targets', []) subprojects_names += [project_name] cmdres = run_command(python3, '-c', symlink.format(project_name, meson.current_source_dir())) if cmdres.returncode() == 0 message('Created symlink to ' + project_name) endif if not meson.is_cross_build() and build_infos.get('build-hotdoc', false) if plugins.length() > 0 plugins_doc_caches += [subproj.get_variable('plugins_doc_dep')] endif if documented_projects != '' documented_projects += ',' endif documented_projects += project_name endif endif endforeach plugins_doc_dep = custom_target('plugins-doc-cache', command: [python3, '-c', 'print("Built all doc caches")'], input: plugins_doc_caches, output: 'plugins_doc_caches', capture: true, ) foreach custom_subproj: get_option('custom_subprojects').split(',') if custom_subproj != '' message ('Adding custom subproject ' + custom_subproj) subproject(custom_subproj) subprojects_names += [custom_subproj] endif endforeach if meson.is_cross_build() or build_machine.system() == 'windows' if get_option('doc').enabled() error('Documentation enabled but building the doc while cross building or building on windows is not supported yet.') endif documented_projects = '' message('Documentation not built as building the documentation while cross building or building on windows is not supported yet.') else hotdoc_p = find_program('hotdoc', required : get_option('doc')) if not hotdoc_p.found() documented_projects = '' message('Not building documentation as hotdoc was not found') endif endif write_file_contents = ''' import os import sys assert len(sys.argv) >= 3 fname = sys.argv[1] contents = sys.argv[2] with open(fname, 'w') as f: f.write(contents) ''' configure_file( output : 'GstDocumentedSubprojects', command : [python3, '-c', write_file_contents, '@OUTPUT@', documented_projects] ) if documented_projects != '' subproject('gst-docs', required: get_option('doc').enabled()) message('Gst docs subprojects: ' + documented_projects) endif all_plugins_paths = [] foreach plugin: all_plugins all_plugins_paths += plugin.full_path() endforeach # Work around meson bug: https://github.com/mesonbuild/meson/pull/6770 pathsep = host_machine.system() == 'windows' ? ';' : ':' all_plugins_paths = pathsep.join(all_plugins_paths) generate_plugins_paths = find_program('scripts/generate_plugins_path.py') configure_file( output : 'GstPluginsPath.json', command : [generate_plugins_paths, '@OUTPUT@', all_plugins_paths] ) # FIXME: Create a 'libraries' list in each subproject like we do for 'plugins' libraries_map = { # name: [subproject_name, variable_name] 'gstreamer': ['gstreamer', 'libgst'], 'base': ['gstreamer', 'gst_base'], 'check': ['gstreamer', 'gst_check'], 'controller': ['gstreamer', 'gst_controller'], 'net': ['gstreamer', 'gst_net'], 'allocators': ['gst-plugins-base', 'gstallocators'], 'app': ['gst-plugins-base', 'gstapp'], 'audio': ['gst-plugins-base', 'gstaudio'], 'fft': ['gst-plugins-base', 'gstfft'], 'pbutils': ['gst-plugins-base', 'pbutils'], 'riff': ['gst-plugins-base', 'gstriff'], 'rtp': ['gst-plugins-base', 'gst_rtp'], 'rtsp': ['gst-plugins-base', 'gst_rtsp'], 'sdp': ['gst-plugins-base', 'gstsdp'], 'tag': ['gst-plugins-base', 'gsttag'], 'video': ['gst-plugins-base', 'gstvideo'], 'gl': ['gst-plugins-base', 'gstgl'], 'bad-audio': ['gst-plugins-bad', 'gstbadaudio'], 'bad-transcoder': ['gst-plugins-bad', 'gst_transcoder'], 'codecparsers': ['gst-plugins-bad', 'gstcodecparsers'], 'insertbin': ['gst-plugins-bad', 'gstinsertbin'], 'mpegts': ['gst-plugins-bad', 'gstmpegts'], 'player': ['gst-plugins-bad', 'gstplayer'], 'sctp': ['gst-plugins-bad', 'libgstsctp'], 'webrtc': ['gst-plugins-bad', 'gstwebrtc'], 'vulkan': ['gst-plugins-bad', 'gstvulkan'], 'rtsp-server': ['gst-rtsp-server', 'gst_rtsp_server'], } if get_option('default_library') == 'static' # Generate a .c file which declare and register all built plugins generate_init_static_plugins = find_program('scripts/generate_init_static_plugins.py') init_static_plugins_c = configure_file( output: 'gstinitstaticplugins.c', command : [generate_init_static_plugins, '@OUTPUT@', all_plugins_paths] ) install_headers('gstinitstaticplugins.h', subdir : 'gstreamer-1.0/gst') # Avoid a x264 link issue described here: https://gitlab.freedesktop.org/gstreamer/gst-build/-/issues/108 # Similar issue has been found with VLC: https://mailman.videolan.org/pipermail/vlc-devel/2009-March/057640.html gstfull_link_args = [] if cc.has_link_argument('-Wl,-Bsymbolic') gstfull_link_args += ['-Wl,-Bsymbolic'] endif gst_dep = subproject('gstreamer').get_variable('gst_dep') # Get a list of libraries that needs to be exposed in the ABI. exposed_libs = [] foreach name : get_option('gst-full-libraries') + ['gstreamer'] info = libraries_map[name] exposed_libs += subproject(info[0]).get_variable(info[1]) endforeach # glib and gobject are part of our public API. If we are using glib from the # system then our pkg-config file must require it. If we built it as # subproject then we need to link_whole it. requires = [] gobject_dep = dependency('gobject-2.0', fallback: ['glib', 'libgobject_dep']) if gobject_dep.type_name() == 'internal' glib_subproject = subproject('glib') exposed_libs += glib_subproject.get_variable('libglib') exposed_libs += glib_subproject.get_variable('libgobject') else requires = ['glib-2.0', 'gobject-2.0'] endif # Build both shared and static library gstfull = both_libraries('gstreamer-full-1.0', init_static_plugins_c, link_with : all_plugins, link_args: gstfull_link_args, link_whole : exposed_libs, dependencies : gst_dep, install : true, ) pkgconfig.generate(gstfull, requires: requires, subdirs : 'gstreamer-1.0') endif message('Building subprojects: ' + ', '.join(subprojects_names)) setenv = find_program('gst-env.py') devenv_cmd = [setenv, '--builddir=@0@'.format(meson.build_root()), '--srcdir=@0@'.format(meson.source_root())] if meson.has_exe_wrapper() and build_machine.system() == 'linux' and host_machine.system() == 'windows' # FIXME: Ideally we could get the wrapper directly from meson devenv_cmd += ['--wine', host_machine.cpu_family() == 'x86_64' ? 'wine64' : 'wine32'] sysroot = meson.get_cross_property('sys_root') if sysroot != '' # Logic from meson devenv_cmd += ['--winepath', 'Z:' + join_paths(sysroot, 'bin')] endif endif run_target('uninstalled', command : devenv_cmd) run_target('devenv', command : devenv_cmd) update = find_program('git-update') run_target('git-update', command : [update]) run_target('update', command : [update, '--builddir=@0@'.format(meson.current_build_dir())]) if orc_subproject.found() and orc_update_targets.length() > 0 alias_target('update-orc-dist', orc_update_targets) endif