gstreamer/subprojects/gst-libav/docs/meson.build

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build_hotdoc = false
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 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
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required_hotdoc_extensions = ['gst-extension']
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(join_paths(gst_dep.get_variable('libexecdir'), 'gstreamer-' + api_version, 'gst-plugins-doc-cache-generator'),
required: false)
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endif
plugins_cache = join_paths(meson.current_source_dir(), 'gst_plugins_cache.json')
if plugins_cache_generator.found()
gst_plugins_doc_dep = custom_target('libav-plugins-doc-cache',
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command: [plugins_cache_generator, plugins_cache, '@OUTPUT@', '@INPUT@'],
input: plugins,
output: 'gst_plugins_cache.json',
build_always_stale: true,
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)
else
warning('GStreamer plugin inspector for documentation not found, can\'t update the cache')
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
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hotdoc_req = '>= 0.11.0'
hotdoc_version = run_command(hotdoc_p, '--version', check: false).stdout()
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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
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build_hotdoc = true
hotdoc = import('hotdoc')
docconf = configuration_data()
docconf.set('GST_API_VERSION', api_version)
foreach extension: required_hotdoc_extensions
if not hotdoc.has_extensions(extension)
if get_option('doc').enabled()
error('Documentation enabled but gi-extension missing')
endif
message('@0@ extensions not found, not building documentation requiring it'.format(extension))
subdir_done()
endif
endforeach
libs_doc = []
cdir = meson.current_source_dir()
if host_machine.system() == 'windows'
pathsep = ';'
else
pathsep = ':'
endif
gst_plugins_doc = run_command(
plugins_cache_generator,
'hotdoc-config',
'--project_version', api_version,
'--builddir', meson.current_build_dir(),
'--sitemap', cdir / 'sitemap.txt',
'--index', cdir / 'index.md',
'--gst_index', cdir / 'index.md',
'--gst_c_sources', cdir / '../ext/*/*.[ch]',
'--gst_cache_file', plugins_cache,
check: true,
).stdout().split(pathsep)