--- a/common/autoconf/spec.gmk.in	Thu Feb 28 20:29:19 2013 -0800
+++ b/common/autoconf/spec.gmk.in	Mon Mar 04 16:45:07 2013 +0100
@@ -260,6 +260,9 @@
 # the sjavac server log files.
 SJAVAC_SERVER_DIR:=@SJAVAC_SERVER_DIR@
 
+# Number of parallel jobs to use for compilation
+JOBS?=@JOBS@
+
 # The OpenJDK makefiles should be changed to using the standard
 # configure output ..._CFLAGS and ..._LIBS. In the meantime we
 # extract the information here.