[bug#36387] [PATCH] gnu: mesa: Fix detection of wayland-scanner pkg-config file.

[Kei Kebreau]

It did in fact go stale. I vaguely remember having some trouble building 
mesa locally, but this no longer seems to be the case.

On 11/13/21 8:22 PM, Maxim Cournoyer wrote:
> Hello,
>
> Kei Kebreau<kkebreau@posteo.net>  writes:
>
> > * gnu/packages/gl.scm (mesa)[arguments]: Add "patch-meson-build" phase.
> > ---
> >   gnu/packages/gl.scm | 9 +++++++++
> >   1 file changed, 9 insertions(+)
> >
> > diff --git a/gnu/packages/gl.scm b/gnu/packages/gl.scm
> > index 96e7fc7165..78f7401f20 100644
> > --- a/gnu/packages/gl.scm
> > +++ b/gnu/packages/gl.scm
> > @@ -337,6 +337,15 @@ also known as DXTn or DXTC) for Mesa.")
> >                          (("'u_format_test',") ""))
> >                        #t)))
> >                  '())
> > +         (add-after
> > +           'unpack 'patch-meson-build
> > +           (lambda _
> > +             ;; Without this, meson fails with the following error:
> > +             ;; Dependency "wayland-scanner" not found, tried pkgconfig.
> > +             (substitute* "meson.build"
> > +               (("dependency\\('wayland-scanner', native: true\\)")
> > +                "dependency('wayland-scanner')"))
> > +             #t))
> >            (add-before
> >              'configure 'fix-dlopen-libnames
> >              (lambda* (#:key inputs outputs #:allow-other-keys)
> Was this fixing a build failure of mesa itself?  Or does it manifest
> when building other packages depending on mesa?
>
> Given the patch is 2 years old, I'm guessing it went stale?
>
> Thanks,
>
> Maxim