case "$THIS_SUB_DEPENDS" in
  XCOMPOSITE) depends libxcomposite "--enable-composite" ;;
        DPMS) list_add XORG_SERVER_OPTS "--enable-dpms" ;;
      KDRIVE) message "${MESSAGE_COLOR}Forcing Kdrive...${DEFAULT_COLOR}"
              list_remove XORG_SERVER_OPTS "--disable-kdrive"
              list_add XORG_SERVER_OPTS "--enable-kdrive" ;;
# Xephyr requires Kdrive
      XEPHYR) message "${MESSAGE_COLOR}Forcing Kdrive and Xephyr...${DEFAULT_COLOR}"
              list_remove XORG_SERVER_OPTS "--disable-kdrive --disable-xephyr"
              list_add XORG_SERVER_OPTS "--enable-kdrive --enable-xephyr" ;;
           *) message "${PROBLEM_COLOR}bogus sub_depends: $SPELL $THIS_SUB_DEPENDS${DEFAULT_COLOR}" ;
   return 1;;
esac