RFR: 8353066: Properly detect Windows/aarch64 as build platform

[christian]

On Thu, 3 Apr 2025 21:41:21 GMT, Phil Race <prr at openjdk.org> wrote:

> works for me on Windows 11 aarch64 generated the right configure and the build seems to be doing aarch64 things.

same here. 
backported it locally to 21u and it works there, too. 
thx

Have you made it work with WSL2? made the configure work, but the build ran into issues.

-------------

PR Comment: https://git.openjdk.org/jdk/pull/24397#issuecomment-2778035226