RFC: add --enable-experimental-openjdk-cross-compilation option

[Gary Benson]

Robert Schuster wrote:
> here is an updated version of the patch that adds the
> --enable-experimental-openjdk-cross-compilation option. The name is
> chosen deliberately because this feature is not complete yet and
> needs more patches. Furthermore allowing cross-compilation will
> consist of more than just disabling the sanity checks.

Have you tested this to make sure it still works for normal builds?
If so then I'm ok for you to commit this.

Cheers,
Gary

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