case $THIS_SUB_DEPENDS in
(LIBERTY) [[ "${BINUTILS_LIBIBERTY}" == "y" ]] ;;
(    LTO) [[ "${BINUTILS_LTO}" == "y" ]] ;;
(      *)
  message "${PROBLEM_COLOR}bogus sub_depends: $SPELL $THIS_SUB_DEPENDS${DEFAULT_COLOR}"
  return 1
;;
esac
