--- a/make/langtools/build.properties	Tue Sep 12 19:03:39 2017 +0200
+++ b/make/langtools/build.properties	Tue Sep 12 19:03:56 2017 +0200
@@ -33,6 +33,12 @@
 javac.build.source = 8
 javac.build.target = 8
 
+module.names = java.compiler \
+               jdk.compiler \
+               jdk.javadoc \
+               jdk.jdeps \
+               jdk.jshell
+
 langtools.resource.includes = \
         com/sun/tools/javac/resources/compiler.properties