[Mesa-stable] [PATCH] configure.ac: Augment error message to list vulkan drivers.

[Emil Velikov]

On 27 January 2017 at 18:14, Bas Nieuwenhuizen <bas at basnieuwenhuizen.nl> wrote:
> Had someone that tried --with-vulkan-drivers=radv, this will guide
> people in the right direction.
>
It might be better to update the help string ? That's the thing we do
for dri and gallium drivers.

-Emil