Re: [RFC PATCH 5/6] include/qemu/compiler: Fix problem with gcc_struct and Clang

["Daniel P. Berrangé" <berrange@redhat.com>]

On Mon, Jul 31, 2023 at 11:05:42AM +0100, Peter Maydell wrote:
> On Mon, 31 Jul 2023 at 10:11, Thomas Huth <thuth@redhat.com> wrote:
> > Or do you see another possibility how we could fix that timeout problem in
> > the 64-bit MSYS2 job? Still switching to clang, but compiling with
> > --extra-cflags="-Wno-unknown-attributes" maybe?
> 
> Is there any way we can separate out the "take 25 minutes to
> install a pile of packages" part from the "actually compile and
> test QEMU" part ?

Possibly, depends if msys installs all the packages to a specific
sub-directory location, or splatters all over the hierarchy. If the
former we might be able to put the whole installed sub-tree into the
gitlab cache, which is likely faster to deploy. Testing this out in
gitlab itself is kinda tedious, so needs a local windows VM to debug.
If msys relies on the registry for anything during package install,
then all bets are off, as I don't know how we'd cache & restore that.

With regards,
Daniel
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