RFR: JDK-8141444 Clean up building of JDK launchers

[Alan Bateman]

On 05/11/2015 07:27, Magnus Ihse Bursie wrote:
> The JDK launchers have been built by a macro which is using positional 
> arguments instead of named argument. This needs to be fixed to be able 
> to properly track what is happening.
>
> Some additional TLC for launchers is also needed.
>
> To verify the fix, I've used the new COMPARE_BUILD feature.
>
> Bug: https://bugs.openjdk.java.net/browse/JDK-8141444
> WebRev: 
> http://cr.openjdk.java.net/~ihse/JDK-8141444-clean-up-launchers/webrev.01
I think that when we bring this into the jigsaw/jake forest that we 
might need want to consider renaming MAIN_CLASS because the value 
changes from a class name to a module name + class name.

-Alan