RFR: JDK-8170629 Remove code duplication in test makefiles

[Erik Joelsson]

Looks good.

/Erik

On 2016-12-02 10:24, Magnus Ihse Bursie wrote:
> There is a lot of common code that has been duplicated in 
> */test/Makefile. For jdk, hotspot, jaxp and nashorn, most of the code 
> in the corresponding files are identical. (The odd-man-out is 
> langtools which is quite different.)
>
> These files should be unified to share a single code base, to 
> facilitate further improvements to the test makefiles.
>
> The intent of this bug is a pure refactoring. The duplication should 
> go, but all functionality should remain exactly the same. This will 
> leave room for some future improvements to the code, but sets a clear 
> limit for this first step. The consolidated code base thus contains a 
> fair amount of if-blocks, but I hope to be able to address most of 
> these later on, by adjusting the individual component to adhere more 
> to the standard behavior.
>
> To minimize the amount of ifdefs in the shared code, I allowed for a 
> few changes in behavior. I do not believe these will cause any changes 
> in the real world, and to the extent that they do, they could be 
> considered bug fixes.
>
> Behavior that have changed due to unification:
> * jaxp now defaults ABS_JDK_IMAGE to images/jdk instead of j2sdk.
> * jaxp now sets TEST_SELECTION to $(TESTDIRS) if it exists.
> * jaxp and hotspot now get additional option e:JDK8_HOME=${JT_JAVA}
> * hotspot now sets JAVA_VM_ARGS to $(JPRT_PRODUCT_VM_ARGS) if it exists.
> * hotspot now sets JAVA_ARGS to $(JPRT_PRODUCT_ARGS) if it exists.
>
> Bug: https://bugs.openjdk.java.net/browse/JDK-8170629
> WebRev: 
> http://cr.openjdk.java.net/~ihse/JDK-8170629-remove-test-makefile-duplication/webrev.01
>
> /Magnus