File vpp-17.10-java9.patch of Package vpp.9011

--- vpp-17.10/src/vpp-api/java/Makefile.am	2017-09-27 23:11:15.000000000 +0200
+++ vpp-17.10/src/vpp-api/java/Makefile.am	2017-10-25 12:21:08.566668254 +0200
@@ -71,7 +71,7 @@
 	@echo "  JAPIGEN  $@"
 	@rm -rf jvpp-registry/target
 	@mkdir -p jvpp-registry/target
-	@$(JAVAC) -d jvpp-registry/target $^
+	@$(JAVAC) -source 8 -target 8 -d jvpp-registry/target $^
 	@$(JAVAH) -force -classpath jvpp-registry/target -d jvpp-registry io.fd.vpp.jvpp.VppJNIConnection
 	@$(JAVAH) -force -classpath jvpp-registry/target -d jvpp-registry io.fd.vpp.jvpp.JVppRegistryImpl
 	@touch jvpp-registry.ok
@@ -83,7 +83,7 @@
 	  -i $(jvpp_$(1)_json_files) > /dev/null
 	@find jvpp-$(1)/target -name \*.java > jvpp-$(1).generated.files
 	@find @srcdir@/jvpp-$(1) -name \*.java > jvpp-$(1).static.files
-	@$(JAVAC) -classpath jvpp-registry/target \
+	@$(JAVAC) -source 8 -target 8 -classpath jvpp-registry/target \
 	  -d jvpp-$(1)/target @jvpp-$(1).generated.files @jvpp-$(1).static.files
 	@$(JAVAH) -force \
 	  -classpath jvpp-registry/target:jvpp-$(1)/target \