[jdk26u] RFR: 8376684: Compile OpenJDK in headless mode without required X11 libraries

[Thomas Devoogdt]

On Mon, 16 Feb 2026 20:04:59 GMT, Paul Hohensee <phh at openjdk.org> wrote:

> @ThomasDevooght, please enable GHA (pre-integration) tests on your repo.

I did enable them, but somehow, they do not trigger themselves ... 
<img width="1646" height="710" alt="Screenshot from 2026-02-16 21-37-49" src="https://github.com/user-attachments/assets/b623350b-7aa8-4039-ad67-e48fb725ddd0" />

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PR Comment: https://git.openjdk.org/jdk26u/pull/53#issuecomment-3910429307