diff -ruN /usr/ports/devel/bmake/Makefile ./Makefile
--- /usr/ports/devel/bmake/Makefile	2014-01-09 21:31:25.000000000 +0100
+++ ./Makefile	2014-01-09 23:39:49.000000000 +0100
@@ -37,7 +37,7 @@
 	    	>${WRKDIR}/PLIST.share-mk
 	cd ${STAGEDIR}${PREFIX} ;					\
 	    ${FIND} share/mk -type d					\
-	    	| ${SORT} -r | ${SED} -e 's/^/@dirrmtry /'		\
+	    | ${SORT} -r | ${SED} -Ee 's}^(.*)$$}@unexec rmdir \1 2>/dev/null || :}'		\
 		>>${WRKDIR}/PLIST.share-mk
 	${ECHO_CMD} "r ${TMPPLIST}"			> ${WRKDIR}/ex.script
 	${ECHO_CMD} "/Insert PLIST.share-mk"		>> ${WRKDIR}/ex.script