--- old/make/common/MakeBase.gmk	2016-04-19 13:39:37.141071959 +0200
+++ new/make/common/MakeBase.gmk	2016-04-19 13:39:37.057068439 +0200
@@ -709,7 +709,7 @@
   ( $(strip $2) > >($(TEE) $(strip $1).log) 2> >($(TEE) $(strip $1).log >&2) || \
       ( exitcode=$(DOLLAR)? && \
       $(CP) $(strip $1).log $(MAKESUPPORT_OUTPUTDIR)/failure-logs/$(subst /,_,$(patsubst $(BUILD_OUTPUT)/%,%,$(strip $1))).log && \
-      exit $(DOLLAR)exitcode ) )
+      exit $(DOLLAR)exitcode ) ) && wait
 
 ################################################################################
 # Find lib dir for module