LLVM target 'amdgpu' not enabled Was: Re: Conflict on very first port (xorg) on rpi3

[bob prohaska]

On Sat, May 16, 2020 at 06:08:13PM +0200, Dimitry Andric wrote:
> On 16 May 2020, at 17:44, bob prohaska <fbsd at www.zefox.net> wrote:
> > 
> > Deinstalling the conflicting port made considerable progress toward a build of
> > x11/xorg, but now make is stopping with:
> > 
> > configure: error: LLVM target 'amdgpu' not enabled in your LLVM build. Required by radv.
> > 
> > I've tried turning off Wayland support in graphics/mesa-dri but that didn't help.
> > 
> > Since this is on a Raspberry Pi3B, one wouldn't really expect to find an AMD GPU,
> > 
> > If there's a workaround please give me a hint....
> 
> It seems to be required by the ATI/AMD Radeon drivers, and there is no
> option to turn these drivers off, as far as I can see. You could attempt
> to edit graphics/mesa-dri/Makefile, and fiddle with the ALL_DRI_DRIVERS,
> ALL_GALLIUM_DRIVERS and ALL_VULKAN_DRIVERS lines. But this is going to
> be very fragile, the best solution is really to rebuild the llvm port
> with AMDGPU support.
> 
> -Dimitry
> 
Is it known what driver the Pi3B will use? That would at least tell me 
what to keep, though I appreciate it might not be enough for internal
consistency. 

Quite a few failed attempts will be faster than rebuilding llvm80....

Thanks for writing!

bob prohaska