RFR: 8351603: Change to GCC 14.2.0 for building on Linux at Oracle [v3]

[Mikael Vidstedt]

On Tue, 15 Apr 2025 16:04:28 GMT, Mikael Vidstedt <mikael at openjdk.org> wrote:

>> Background:
>> 
>> Oracle is updating the version of GCC for building the JDK on Linux to 14.2.0.
>> 
>> This change updates the versions of the components used for the (Linux) devkit. Newer versions of ccache use cmake for the build, so some of the logic in `make/devkit/Tools.gmk` had to be updated to support cmake based components. This change also fixes JDK-8344272 (gcc devkit doesn't have lto-plugin where needed).
>> 
>> Testing:
>> 
>> Manual builds, tier1-5 + additional func & performance testing.
>
> Mikael Vidstedt has updated the pull request with a new target base due to a merge or a rebase. The incremental webrev excludes the unrelated changes brought in by the merge/rebase. The pull request contains five additional commits since the last revision:
> 
>  - Merge branch 'master' into 8351603-gcc-14.2.0
>  - Update jib-profiles.js
>  - Update doc/building.{md,html}
>  - Add missing liblto_plugin.so link
>  - Change to GCC 14.2.0 for building on Linux at Oracle

Thank you for the reviews!

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PR Comment: https://git.openjdk.org/jdk/pull/23975#issuecomment-2810103906