depends gtkmm

optional_depends "jack"      "--with-jack"     "--without-jack"    "for low-latency audio support"
optional_depends "lash"       "--with-lash"    "--without-lash"    "for session management support"
optional_depends "alsa-utils" "--with-alsa"    "--without-alsa"    "for alsa support"
optional_depends "alsa-oss"   "--with-oss"     "--without-oss"     "for alsa oss support"
optional_depends "libsndfile" "--with-sndfile" "--without-sndfile" "for reading and writing sound file support"

