RFR: JDK-8312013: avoid UnixConstants.java.template warning: '__linux__' is not defined on AIX

[Vyom Tewari]

On Thu, 13 Jul 2023 09:19:42 GMT, Matthias Baesken <mbaesken at openjdk.org> wrote:

> We run into this build warning on AIX :
> /jdk/src/java.base/unix/classes/sun/nio/fs/UnixConstants.java.template:127:7: warning: '__linux__' is not defined, evaluates to 0 [-Wundef]
> #elif __linux__
> 1 warning generated.
> 
> Looks like the preprocessor check should be adjusted, because the macro is not present on non-Linux systems.

Looks OK to me.

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Marked as reviewed by vtewari (Committer).

PR Review: https://git.openjdk.org/jdk/pull/14864#pullrequestreview-1528186346