bug#25953: [PATCH] gnu: mesa: Build LLVM Gallium drivers.

[Mark H Weaver]

Ricardo Wurmus <rek...@elephly.net> writes:

> Fixes <https://bugs.gnu.org/25953>.
>
> * gnu/packages/gl.scm (mesa)[inputs]: Add llvm.
> [arguments]: Build LLVM Gallium drivers.

I'm uncomfortable adding llvm as a requirement for our most minimal X11
system, for several reasons.  Can we find a way to make this optional?

      Mark