4719 Common patchset for jdk1.7 support preparation

@@ -24,10 +24,10 @@
 # All rights reserved.
 #
 #pragma ident   "%Z%%M% %I%     %E% SMI"
 #
 
-JAVAFLAGS= -nowarn -O
+JAVAFLAGS = -source 1.5 -target 1.6 -nowarn -O
 JRE=$(JAVA_ROOT)/jre/lib
 VRT=$(SRC)/cmd/krb5/kadmin/gui/visualrt
 
 CLASSPATH=$(VRT):$(JAVA_ROOT)/jre/lib/rt.jar:$(JAVA_ROOT)/jre/lib/i18n.jar