RFR: JDK-8188768 Fix interaction between make and autoconf after consolidation

[Erik Joelsson]

Looks good.

/Erik


On 2017-10-04 14:40, Magnus Ihse Bursie wrote:
> Since the forest consolidation, multiple "paper-cut" issues have 
> appeared.
>
> This patch will deal with the following issues:
> * Changes in autoconf files will no longer cause make to require a 
> reconfigure.
> * "make reconfigure" was broken when closed sources were present
> * The new relationship between open and closed code allows for a more 
> streamlined support for custom extensions in the open code.
>
> Bug: https://bugs.openjdk.java.net/browse/JDK-8188768
> WebRev: 
> http://cr.openjdk.java.net/~ihse/JDK-8188768-fix-make-and-autoconf-interaction/webrev.01
>
> /Magnus