[8u] RFR: JDK-8152545 Use preprocessor instead of compiling a program to generate native nio constants

[Andrew Haley]

On 28/02/2020 18:06, Simon Tooke wrote:
> Hello,
> 
> I would like to request approval to backport of JDK-8152545 (Use 
> preprocessor instead of compiling a program to generate native nio 
> constants) to jdk8u for buildability reasons.  I've personally 
> encountered toolchains where the current solution doesn't build.
> 
> I had to modify the original webrev to get rid of the SO_REUSEPORT 
> definition, as it isn't supported in JDK8.
> 
> I've tested this on Windows and macos.
> 
> Bug: https://bugs.openjdk.java.net/browse/JDK-8152545
> 
> Original patch: http://hg.openjdk.java.net/jdk9/jdk9/jdk/rev/e2e318304252
> 
> Modified webrev: 
> http://cr.openjdk.java.net/~stooke/webrevs/jdk-8152545-jdk8/02/jdk.02

Why is this being backported? There's no explanation in the bug report
and it doesn't seem to fit any of the usual criteria for a backport.

-- 
Andrew Haley  (he/him)
Java Platform Lead Engineer
Red Hat UK Ltd. <https://www.redhat.com>
https://keybase.io/andrewhaley
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