case "$THIS_SUB_DEPENDS" in
   CEGUI) depends cegui  '--enable-lua-module --enable-toluacegui' ;;
   DEVIL) depends devil  '--enable-devil'  ;;
     *) message "${PROBLEM_COLOR}bogus sub_depends: $SPELL $THIS_SUB_DEPENDS${DEFAULT_COLOR}" ;
   return 1;;
esac