doc_option = get_option('documentation') doc_required = doc_option == 'true' docdir = join_paths(get_option('datadir'), 'doc', 'libvdpau') doxygen = find_program('doxygen', required : doc_required) dot = find_program('dot', required : doc_required) if doc_option != 'false' and doxygen.found() and dot.found() doxyfile = configure_file( input : 'Doxyfile.in', output : 'Doxyfile', configuration : cdata, install : false ) html = custom_target('libvdpau-docs', command : [doxygen, doxyfile], output : 'html', install : true, install_dir : docdir, ) endif