Re: vmovqdu/vmovqda inline asm doesn't compile on macos catalina

[Peter Maydell]

On Mon, 5 Jun 2023 at 12:29, Daniel P. Berrangé <berrange@redhat.com> wrote:
>
> On Mon, Jun 05, 2023 at 11:55:43AM +0100, Peter Maydell wrote:
> > I just noticed that the recent atomicity changes introduce a build
> > failure on x86 macos (Catalina). Now if we wanted to, we can say "this
> > is too old and outside our support policy", of course...
>
> Catalina is version 10.
>
> Current Ventura is version 13.
>
> So it fails our 'two latest releases" requirement.
>
> More importantly, IIUC, Apple have discontinued support for Catalina
> with its EOL date being Sep 2022.

Yeah; as I say I'm going to have to decommission the machine
pretty soonish anyhow.

> Having said all that, what matters more for macOS is the toolchain
> version rather than the OS version. We have very little that is
> directly dependent on the OS version. Most of our library deps come
> from HomeBrew, so it is mostly compiler compatibility that we are
> targetting for macOS.
>
> What clang version are you seeing this failure with ?

This is "Apple clang version 12.0.0 (clang-1200.0.32.29)".

> > (I don't know if newer x86 macos is OK -- this machine can't
> > upgrade to anything newer than Catalina. So it's due to be
> > decommissioned pretty soon anyway.)
>
> x86 macOS is also now a testing void for our CI too, since
> Cirrus CI switched exclusively to aarch64 :-(
>
> So we're entirely reliant on someone having macOS x86 hardware
> and being personally willing& able to send us testing reports
> of any compile bugs.

Right. That used to be me, on this machine, to some extent.
It won't be that any more by the end of summer...

-- PMM