gstreamer/subprojects/gst-plugins-good/docs/meson.build

131 lines
4.1 KiB
Meson

build_hotdoc = false
if static_build
if get_option('doc').enabled()
error('Documentation enabled but not supported when building statically.')
endif
message('Building statically, can\'t build the documentation')
subdir_done()
endif
if meson.is_cross_build()
if get_option('doc').enabled()
error('Documentation enabled but building the doc while cross building is not supported yet.')
endif
message('Documentation not built as building it while cross building is not supported yet.')
subdir_done()
endif
if gst_dep.type_name() == 'internal'
gst_proj = subproject('gstreamer')
plugins_cache_generator = gst_proj.get_variable('plugins_cache_generator')
else
plugins_cache_generator = find_program('gst-plugins-doc-cache-generator',
dirs: [join_paths(gst_dep.get_variable('libexecdir', default_value: ''), 'gstreamer-' + api_version)],
required: false)
endif
plugins_cache = join_paths(meson.current_source_dir(), 'gst_plugins_cache.json')
if plugins.length() == 0
message('All good plugins have been disabled')
elif plugins_cache_generator.found()
gst_plugins_doc_dep = custom_target('good-plugins-doc-cache',
command: [plugins_cache_generator, plugins_cache, '@OUTPUT@', '@INPUT@'],
input: plugins,
output: 'gst_plugins_cache.json',
build_always_stale: true,
)
else
warning('GStreamer plugin inspector for documentation not found, can\'t update the cache')
endif
if get_option('doc').disabled()
subdir_done()
endif
hotdoc_p = find_program('hotdoc', required: get_option('doc'))
if not hotdoc_p.found()
message('Hotdoc not found, not building the documentation')
subdir_done()
endif
hotdoc_req = '>= 0.11.0'
hotdoc_version = run_command(hotdoc_p, '--version', check: false).stdout()
if not hotdoc_version.version_compare(hotdoc_req)
if get_option('doc').enabled()
error('Hotdoc version @0@ not found, got @1@'.format(hotdoc_req, hotdoc_version))
else
message('Hotdoc version @0@ not found, got @1@'.format(hotdoc_req, hotdoc_version))
subdir_done()
endif
endif
hotdoc = import('hotdoc')
required_hotdoc_extensions = ['gst-extension']
foreach extension: required_hotdoc_extensions
if not hotdoc.has_extensions(extension)
if get_option('doc').enabled()
error('Documentation enabled but @0@ missing'.format(extension))
endif
message('@0@ extension not found, not building documentation'.format(extension))
subdir_done()
endif
endforeach
docconf = configuration_data()
docconf.set('GST_API_VERSION', api_version)
configure_file(input : 'gst_api_version.in',
output : 'gst_api_version.md',
configuration : docconf)
libs_doc = []
plugins_doc = []
excludes = []
build_hotdoc = true
foreach f: ['gstgdkpixbufplugin.c']
excludes += [join_paths(meson.current_source_dir(), '..', 'ext/gdk_pixbuf/', f)]
endforeach
excludes += [join_paths(meson.current_source_dir(), '..', 'sys', 'rpicamsrc', 'Raspi*.[ch]')]
doc_source_file = configure_file(output: 'doc_sources.json', configuration: plugin_sources, output_format: 'json')
plugin_libraries = {}
foreach plugin: plugins
if plugin.name().startswith('gst')
plugin_name = plugin.name().substring(3)
else
plugin_name = plugin.name()
endif
plugin_libraries += {
plugin_name: plugin.full_path()
}
endforeach
doc_plugin_libs_file = configure_file(output: 'doc_plugin_libs.json', configuration: plugin_libraries, output_format: 'json')
cdir = meson.current_source_dir()
plugin_hotdoc_configs = custom_target(
'build-hotdoc-configs',
command: [
plugins_cache_generator,
'hotdoc-config',
'--builddir', meson.current_build_dir(),
'--project_version', api_version,
'--sitemap', cdir / 'sitemap.txt',
'--index', cdir / 'index.md',
'--gst_index', cdir / 'index.md',
'--gst_c_source_filters', excludes,
'--gst_cache_file', '@INPUT@',
'--include_paths', cdir / '..',
'--output', '@OUTPUT@',
'--gst_c_source_file', doc_source_file,
'--gst_plugin_libraries_file', doc_plugin_libs_file,
],
input: plugins_cache,
output: 'hotdoc-configs.json',
)