$NetBSD: patch-langtools_make_Makefile,v 1.1 2014/09/13 14:35:25 joerg Exp $

--- langtools/make/Makefile.orig	2014-09-12 13:06:23.000000000 +0000
+++ langtools/make/Makefile
@@ -162,7 +162,7 @@ endif
 ABS_OUTPUTDIR = $(call FullPath,$(OUTPUTDIR))
 
 ANT_TMPDIR = $(ABS_OUTPUTDIR)/build/ant-tmp
-ANT_OPTS = ANT_OPTS=-Djava.io.tmpdir='$(ANT_TMPDIR)'
+ANT_OPTS = ANT_OPTS=-Djava.io.tmpdir='$(ANT_TMPDIR) -XX:+UseSerialGC -mx1024m'
 
 ifdef FINDBUGS_HOME
   ANT_OPTIONS += -Dfindbugs.home=$(FINDBUGS_HOME)
