RFR: JDK-8238388: libj2gss/NativeFunc.o "multiple definition" link errors with GCC10

[Weijun Wang]

It's now live at https://hg.openjdk.java.net/jdk/jdk/rev/9e54ea7d9cd9.

Thanks,
Max

> On Feb 5, 2020, at 8:53 PM, Patrick Zhang OS <patrick at os.amperecomputing.com> wrote:
> 
> Hi,
>  
> Please help review this quick patch in order to resolve the libj2gss link errors caused by GCC10 default option -fno-common. More details, please see JDK-8238388 and its related JDK-8235903 [1].
>  
> Weijun, I saw your comments in the ticket, thanks. It is exactly the same way I am updating the code. In addition, could you please sponsor this patch (once approved)? Thanks.
>  
> JBS: https://bugs.openjdk.java.net/browse/JDK-8238388
> Webrev: http://cr.openjdk.java.net/~qpzhang/8238388/webrev.01/
> Test: ran jtreg tier1, jdk built with GCC4.8.5, GCC9, and GCC10, no regression found
>  
> [1] https://bugs.openjdk.java.net/browse/JDK-8235903 GCC default -fno-common exposes "multiple definition" link errors
>  
> Regards
> Patrick