depends autoconf && depends pkgconfig && depends libtool && optional_depends alsa-lib \ "--enable-alsa" \ "--disable-alsa" \ "for ALSA driver support" && if list_find "$LIBSNDFILE_OPTS" "--enable-external-libs"; then depends libvorbis && depends flac fi && optional_depends sqlite \ "--enable-sqlite" \ "--disable-sqlite" \ "for SQLite database support"