project('All GStreamer modules', 'c', version : '1.17.0.1', meson_version : '>= 0.48.0', default_options : ['buildtype=debugoptimized']) gst_version = '>= @0@'.format(meson.project_version()) gst_branch = 'master' glib_req = '>= 2.44.0' build_system = build_machine.system() cc = meson.get_compiler('c') 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 endif # Ordered list of subprojects (dict has no ordering guarantees) subprojects = [ ['gstreamer', {'build-hotdoc': true, 'has-plugins': true}], ['gst-plugins-base', {'build-hotdoc': true, 'has-plugins': true}], ['gst-plugins-good', {'build-hotdoc': true, 'has-plugins': true}], ['libnice', { 'option': get_option('libnice'), 'match_gst_version': false}], ['gst-plugins-bad', { 'option': get_option('bad'), 'build-hotdoc': true, 'has-plugins': true}], ['gst-plugins-ugly', { 'option': get_option('ugly'), 'build-hotdoc': true, 'has-plugins': true}], ['gst-libav', { 'option': get_option('libav'), 'build-hotdoc': true, 'has-plugins': 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, 'has-plugins': true}], ['gstreamer-vaapi', { 'option': get_option('vaapi'), 'build-hotdoc': true, 'has-plugins': true}], ['gst-omx', { 'option': get_option('omx'), 'build-hotdoc': true, 'has-plugins': true}], ['gstreamer-sharp', { 'option': get_option('sharp') }], ['pygobject', { 'option': get_option('python'), 'match_gst_version': false }], ['gst-python', { 'option': get_option('python'), 'has-plugins': true}], ['gst-examples', { 'option': get_option('examples'), 'match_gst_versions': 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 pathsep = host_machine.system() == 'windows' ? ';' : ':' subproject('orc', required: get_option('orc')) subprojects_names = [] plugins_doc_caches = [] 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() # Replace by using subproject.get_variable('plugins', []) # when https://github.com/mesonbuild/meson/pull/5426/files # is merged and released if build_infos.has_key('has-plugins', default: false) plugins = subproj.get_variable('plugins') else plugins = [] endif foreach plugin: plugins all_plugins += pathsep + plugin.full_path() endforeach 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.has_key('build-hotdoc', default: 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 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 hotdoc_p.found() if documented_projects != '' subproject('gst-docs', default_options: 'built_subprojects=' + documented_projects) message('Gst docs subprojects: ' + documented_projects) endif else message('Not building documentation as hotdoc was not found') endif endif cmdres = run_command(python3, find_program('scripts/generate_plugins_path.py'), '--builddir', meson.build_root(), all_plugins) assert(cmdres.returncode() == 0, 'Could not create plugins path: @0@'.format(cmdres.stderr())) message('Building subprojects: ' + ', '.join(subprojects_names)) setenv = find_program('gst-uninstalled.py') run_target('uninstalled', command : [setenv, '--builddir=@0@'.format(meson.build_root()), '--srcdir=@0@'.format(meson.source_root())]) update = find_program('git-update') run_target('git-update', command : [update]) run_target('update', command : [update, '--builddir=@0@'.format(meson.current_build_dir())])