[jdk8u-dev] RFR: 8369226: GHA: Switch to MacOS 15

[Severin Gehwolf]

On Thu, 8 Jan 2026 12:17:29 GMT, Andrew John Hughes <andrew at openjdk.org> wrote:

> > See [openjdk/jdk8u#84](https://github.com/openjdk/jdk8u/pull/84) for a proof of concept as to what is needed to get macosx building in GHA again.
> 
> Thanks, but that was the intention of this PR as well. I'm not sure why we need two or why yours is against 8u rather than 8u-dev. The libpng change will be merged back into 8u-dev once promoted.

We don't need two. It was a quick proof of concept showing how to build with later mac os x sdk than 10.x (which doesn't like the min version bump of 11.0.0). I'll close it. It's just a reference as to what is needed. For some of those changes we need a proper fix to get actually integrated. It was created in jdk8u since the libpng PR was there. Not really intended as a critical fix at all. Hope that makes some sense.

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PR Comment: https://git.openjdk.org/jdk8u-dev/pull/738#issuecomment-3723814367