Bug: https://bugs.openjdk.java.net/browse/JDK-8202914
Webrev: http://javaweb.us.oracle.com/~ejoelsso/webrev/8202914/webrev.01/ /Erik
We need to be able to override some input dir locations from a custom
makefile extension.
- RFR: JDK-8202914: Let custom makefile override jmod intput d... Erik Joelsson
