depends -sub CXX gcc             &&
depends  scons           &&
depends  boost           &&
depends  libsamplerate   &&
depends  libsndfile      &&
depends  liblo           &&
depends  JACK-DRIVER     &&
optional_depends rubberband \
                 "RUBBERBAND=true" \
                 "RUBBERBAND=false" \
                 "for pitch change"

.