Comment # 5 on bug 77305 from Simone Scanzoni

(In reply to comment #4)
> I think 9d36a8d4d27230dd91d4c4002a781edeec22d044 broke it again if you do
> not build with R300 as well.
> 
> It works fine here when I build with R300.
> 
> The attached patch fixes the issue when R300 is not built.

You are probably right.
My wording wasn't exact, the patch I attached fixes the build failure when
building only r600 or radeonsi, or both.