doxygen = find_program('doxygen') config = configuration_data() config.set('LILV_SRCDIR', lilv_src_root) config.set('DOX_OUTPUT', meson.current_build_dir() / '..') c_doxyfile = configure_file( configuration: config, input: files('../Doxyfile.in'), output: 'Doxyfile', ) c_index_xml = custom_target( 'index.xml', command: [doxygen, '@INPUT0@'], input: [c_doxyfile] + c_headers, output: 'index.xml', )