--- old/hotspot/make/bsd/makefiles/buildtree.make	2014-08-26 12:57:26.324527454 +0200
+++ new/hotspot/make/bsd/makefiles/buildtree.make	2014-08-26 12:57:26.216522856 +0200
@@ -178,7 +178,7 @@
 # Run make in each subdirectory recursively.
 $(SUBMAKE_DIRS): $(SIMPLE_DIRS) FORCE
 	$(QUIETLY) [ -d $@ ] || { mkdir -p $@; }
-	$(QUIETLY) cd $@ && $(BUILDTREE) TARGET=$(@F)
+	+$(QUIETLY) cd $@ && $(BUILDTREE) TARGET=$(@F)
 	$(QUIETLY) touch $@
 
 $(SIMPLE_DIRS):
@@ -378,3 +378,5 @@
 FORCE:
 
 .PHONY:  all FORCE
+
+.NOTPARALLEL: