case $THIS_SUB_DEPENDS in
      GRAPHITE2) depends graphite2 "--with-graphite2"      ;;
             FT) depends freetype2 '--with-freetype=yes'   ;;
            ICU) depends icu       "--with-icu"            ;;
        *) message "${PROBLEM_COLOR}bogus sub_depends: $SPELL $THIS_SUB_DEPENDS${DEFAULT_COLOR}" ;
   return 1;;
esac