[jdk17u-dev] RFR: 8352800: [PPC] OpenJDK fails to build on PPC after JDK-8350106

[Martin Doerr]

On Thu, 18 Sep 2025 14:39:31 GMT, Richard Reingruber <rrich at openjdk.org> wrote:

> Hi all,
> 
> This pull request contains a backport of commit [72bcd824](https://github.com/openjdk/jdk21u-dev/commit/72bcd824606d8a9bc25fb088e73de4c25738ecea) from the [openjdk/jdk21u-dev](https://git.openjdk.org/jdk21u-dev) repository.
> 
> https://github.com/openjdk/jdk17u-dev/pull/3957 depends on this backport.
> It fixes build problems by including the declaration of `class os::Linux` referenced in https://github.com/openjdk/jdk17u-dev/pull/3957 .
> In jdk17 os_linux.hpp cannot be included directly though. os.hpp needs to be included which includes os_linux.hpp into the declaration of `class os` (see [here](https://github.com/openjdk/jdk17u-dev/blob/78cafc3138f09de208a786b7e55bed585e42ade8/src/hotspot/share/runtime/os.hpp#L896)).
> 
> Risk is low.
> 
> Thanks, Richard.

LGTM.

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Marked as reviewed by mdoerr (Reviewer).

PR Review: https://git.openjdk.org/jdk17u-dev/pull/3949#pullrequestreview-3279832599