diff -r 3b4f92a3797f -r d6158f8d7235 src/share/classes/com/sun/tools/javadoc/ToolOption.java
--- a/src/share/classes/com/sun/tools/javadoc/ToolOption.java	Tue Jul 02 22:49:40 2013 +0100
+++ b/src/share/classes/com/sun/tools/javadoc/ToolOption.java	Thu Jul 04 10:35:33 2013 +0100
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2012, 2013, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -56,6 +56,13 @@
         }
     },
 
+    CP("-cp", true) {
+        @Override
+        public void process(Helper helper, String arg) {
+            helper.setCompilerOpt(opt, arg);
+        }
+    },
+
     EXTDIRS("-extdirs", true) {
         @Override
         public void process(Helper helper, String arg) {