case "$THIS_SUB_DEPENDS" in
  FONT)    depends sdl_ttf;;
  IMAGE)   depends sdl_image;;
  MIXER)   depends sdl_mixer;;
  SMPEG)   depends smpeg;;
  NUMERIC) depends numeric;;
  NUMPY)   depends numpy;;
  *)       echo "bogus sub_depends: pygame $THIS_SUB_DEPENDS"; return 1;;
esac
