--- a/common/autoconf/spec.gmk.in	Thu Jun 30 22:38:09 2016 +0000
+++ b/common/autoconf/spec.gmk.in	Fri Jul 01 17:03:59 2016 +0200
@@ -578,7 +578,7 @@
 JAVAC_FLAGS?=@JAVAC_FLAGS@
 
 
-BUILD_JAVA_FLAGS:=-Xms64M -Xmx1100M
+BUILD_JAVA_FLAGS := @BOOTCYCLE_JVM_ARGS_BIG@
 BUILD_JAVA=@FIXPATH@ $(BUILD_JDK)/bin/java $(BUILD_JAVA_FLAGS)
 
 # Use ?= as this can be overridden from bootcycle-spec.gmk