def configure(conf):
        conf.find_program('doxygen', var='DOXYGEN', mandatory=True)

def build(bld):

        SOURCES = bld.path.parent.ant_glob('liblg/**/*.h', bld=False) \
                + ' ' + bld.path.parent.ant_glob('liblg/**/*.hpp', bld=False)
        SOURCES = ' '.join(['../' + f for f in SOURCES.split()])
        SOURCES += ' ' + bld.path.ant_glob('**/*.doxygen', bld=False)

        DOXYCONF = dict(
                INPUT = bld.path.abspath() + ' '
                        + bld.path.parent.abspath() + '/liblg',
                OUTPUT_DIRECTORY = '${TGT}',
        )
        CONF = ' '.join(['echo %s = %s;' % (k, v) for (k, v) in DOXYCONF.items()])

        bld.new_task_gen(
                name   = 'doxygen',
                source = 'Doxyfile ' + SOURCES,
                target = 'reference',
                rule   = '(cat ${SRC[0].abspath()}; %s) | ${DOXYGEN} -' % CONF,
        )

        from glob import glob
        bld.install_files('${PREFIX}/share/doc/${APPNAME}/manual',
                glob(bld.path.abspath(env=bld.env) + '/reference/html/*'))