--- a/make/Main.gmk	Wed Jul 05 22:34:05 2017 +0200
+++ b/make/Main.gmk	Mon Dec 12 18:56:32 2016 -0800
@@ -659,6 +659,9 @@
         exploded-image-optimize
   endif
 
+  # All modules include the main license files from java.base.
+  $(JMOD_TARGETS): java.base-copy
+
   zip-security: java.base-java java.security.jgss-java java.security.jgss-libs \
       $(filter jdk.crypto%, $(JAVA_TARGETS))