[Mesa-dev] [PATCH] travis: manually generate sys/syscall.h

Dylan Baker dylan.c.baker at intel.com
Tue Jul 24 16:07:49 UTC 2018

Quoting Emil Velikov (2018-07-24 08:56:55)
> On 24 July 2018 at 11:29, Eric Engestrom <eric.engestrom at intel.com> wrote:
> > On Thursday, 2018-07-19 15:33:33 +0300, Andres Gomez wrote:
> >> Until now, the needed bits were wrongly included in linux/memfd.h
> >>
> >> Since Travis' sys/syscall.h doesn't provide the SYS_memfd_create, we
> The definition has moved across libc versions. Initially it was in
> memfd.h these days it's in bits/syscall.h
> > Isn't this a matter of libc version? Isn't the right fix to upgrade the
> > libc in the container instead of faking its files?
> >
> Last time I've looked either a) updated package wasn't available or b)
> it required sudo true (no more container, bring the VM)
> > And if the libc required is quite recent, what we need is a fallback in
> > the code to support older libc (possibly with some features missing),
> > which this build failure rightly reports.
> >
> Keep in mind that Travis uses Ubuntu Trusty, which isn't really a user
> of mesa-git and nearly EOL.
> Since this is a build testing only, I would stick with the "build
> everything" mindset and vote in favour of this workaround.
> Please change the Fixes tag to 3228335b55c - the first user of
> syscall.h. With that
> Reviewed-by: Emil Velikov <emil.velikov at collabora.com>
> -Emil

I prefer this approach as well as a short term fix. Perhaps a better long term
solution would be to build our own docker image that contains a more realistic
set of minimum versions for building current mesa than a 4 year old LTS (we
could build off of 16.04 for example).

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