*[\\/]*) prog=`pwd`/$prog ;;
esac
-# FIXME: add hostname here for parallel makes that run commands on
-# other machines. But that might take us over the 14-char limit.
dirname=ylwrap$$
do_exit="cd '`pwd`' && rm -rf $dirname > /dev/null 2>&1;"' (exit $ret); exit $ret'
trap "ret=129; $do_exit" 1