optional_depends "alsa-lib" \
                 "--with-default-output=alsa --enable-alsaseq" \
                 "" \
                 "for ALSA output support"

optional_depends "jack"      ""                 "" "for JACK output support"

optional_depends "ncurses"   "--enable-ncurses" "" "for ncurses support"
optional_depends "openMotif" "--enable-motif"   "" "for motif support"
optional_depends "flac"      "--enable-flac"    "" "for flac support"
optional_depends "libvorbis" ""                 "" "for Ogg Vorbis support"
optional_depends "slang"     "--enable-slang"   "" "for slang interface"
