RFC: 8229469 JEP 386: Alpine Linux/x64 Port

[Alan Bateman]

On 04/09/2020 10:00, Alan Bateman wrote:
> On 04/09/2020 08:55, Aleksei Voitylov wrote:
>> :
>> Tests tools/launcher/Test7029048.java and
>> tools/launcher/ExecutionEnvironment.java need to change behavior on
>> systems that alter LD_LIBRARY_PATH (AIX and musl). The alternative we
>> first considered was to detect the libc of the OS with ldd in the test
>> and avoid WhiteBox dependency. This approach has a significant drawback:
>> some distributions bundle glibc and OpenJDK and launch it on a
>> musl-based Linux OS, so we really need to detect the libc the JDK was
>> compiled for, not the default libc present in the OS. To avoid such
>> problems all together it was decided to detect the libc flavor the JDK
>> was compiled for through WhiteBox.
>>
> I really dislike the changes to the launcher tests and I don't think 
> the WB API is the right place for this. I think we need to find 
> something cleaner and maybe expose it as a method on 
> jdk.test.lib.Platform.
>
or alternatively, a new class in jdk.test.lib that gives provide methods 
to introspect the runtime, whatever is simplest and doesn't depend on 
the WB API as it's independent of HotSpot.

-Alan