Add M1 Hypervisor Support for QEMU Port?

Mojca Miklavec mojca.miklavec.lists at
Wed Oct 27 06:24:11 UTC 2021

On Wed, 27 Oct 2021 at 06:02, Ryan Schmidt wrote:
> On Oct 20, 2021, at 22:06, Sriranga Veeraraghavan wrote:
> > Is there a way to add an optional variant to the QEMU Portfile that would apply this patch?
> Yes, it is technically possible to do that. However, we prefer not to include and forever maintain unofficial patches. Instead, we would prefer for such patches to be submitted to the upstream developers of the software. If they include it, then MacPorts will automatically get that and any other changes when we update to the next version of the software. If upstream elects not to include a patch, then we would have to seriously consider whether it would be appropriate for us to second-guess their decision and include it in MacPorts anyway.

I checked their patch procedure which looks pretty involved ...

... but according to
it looks like upstream has already merged the changes.

It's hard to follow exactly because commits don't exactly match the
contents of that patch, but by looking at and blaming individual files
(touched by that patch) in the master branch, the first three randomly
chosen changes seem to be included, some of them in the "staging"
branch, whatever that means.

Given that HB has started this and seems to be actively involved in
maintaining the patches, I would say that it's probably perfectly safe
to include the patches on any arm machine at least. Most likely the
patches will either no longer be needed with the next release, or in
the worst case we can copy them over from HB once again.

Ranga, if you are willing to prepare a pull request, I would support
that. I don't think we need a variant for that, I would just
unconditionally apply the patch, at least on any arm-based CPU.


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