RFR: JDK-8248667 Need support for building native libraries located in the test/lib directory

[Erik Joelsson]

Looks good.

/Erik

On 2020-07-01 15:39, Magnus Ihse Bursie wrote:
> Chris has requested help to add native test code to the test lib. From 
> the bug report:
>
> "As part of the work for JDK-8248194 I'm adding a native method to 
> LingeredApp.c. The native method will be located in:
>
>    test/lib/jdk/test/lib/apps/libLingeredApp.c
>
> However, currently there is only support for building native libs in 
> test/jdk and test/hotspot/jtreg. Support is now also needed for test/lib"
>
> This patch adds a simple lib. Since jtreg does not accept multiple 
> roots for native libraries, I have to copy this to both hotspot and 
> jdk native libs in the test image. The change in BuildTestLib.gmk is 
> strictly not necessary, but allows more (unfortunately not all) of the 
> testlib to be compiled, including LingeredApp, which allowed me to 
> generate a proper .h file to base libLingeredApp.c on.
>
> Bug: https://bugs.openjdk.java.net/browse/JDK-8248667
> WebRev: 
> http://cr.openjdk.java.net/~ihse/JDK-8248667-build-testlib-native/webrev.01
>
> /Magnus