case $THIS_SUB_DEPENDS in
(LIBERTY)
  message "${MESSAGE_COLOR}Install of libiberty enforced by sub-dependency.$DEFAULT_COLOR"
  BINUTILS_LIBIBERTY=y
;;
(LTO)
  message "${MESSAGE_COLOR}LTO support enforced by sub-dependency.$DEFAULT_COLOR"
  BINUTILS_LTO=y
;;
(      *)
  message "${PROBLEM_COLOR}bogus sub_depends: $SPELL $THIS_SUB_DEPENDS${DEFAULT_COLOR}"
  return 1
;;
esac
