[Mingw-w64-public] Wine and mingw-w64 cooperation

[NightStrike]

On Wed, Jun 5, 2019, 3:43 PM Martin Storsjö <martin at martin.st> wrote:

> On Wed, 5 Jun 2019, Francois Gouget wrote:
>
> >> 3. Build a few projects - to make sure they build.
> >>
> >> Wine, Wine Gecko, VLC should give a good coverage.
> >
> > That sounds like long running tasks so we will likely need new hardware
> > so the TestBot can run them for every patch that gets submitted: if
> > patches come at a rate of about one per hour, then the TestBot needs to
> > process the resulting jobs at a rate of at least one per hour. That said
> > we already need new hardware for PCI-passthrough for Wine (though the
> > exact details are not set yet).
>
> Those projects are rather large, so either you need quite beefy hardware,
> or you just run some smaller test setup for each patch (rebuild mingw-w64
> and build a few smoketests maybe?) and then run a full build of those
> projects e.g. nightly (e.g. with a known good pinned version of those
> projects, which can be updated regularly). That requires a bit more manual
> intervention every time there's a regression though.
>

For the build bot I used to run, a full build of gcc and its test suite
would take several days for the cygwin target and host.

I mention that because in my experience, it's far more important to test
against the breakages due to compiler changes rather than the comparatively
small things that change day to day on mingw. Very few people on gcc test
their changes on w64 (Jonathan Wakely is a recent notable exception), and
this tends to cause entire languages to break (see Ada for example).

>
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