Check this:

http://lists.openembedded.org/pipermail/openembedded-core/2017-April/135050.html

On Tue, Apr 11, 2017 at 3:38 AM, Trevor Woerner <twoerner@gmail.com> wrote:

> I think this might be a casualty of RSS, but when trying to build mesa for
> the
> gizmo2 I get:
>
>         | checking for wayland-scanner... no
>         | checking for XCB_DRI2... yes
>         | checking for x86_64-oe-linux-llvm-config... no
>         | checking for llvm-config... no
>         | checking for RADEON... yes
>         | configure: error: LLVM is required to build Gallium R300 on x86
> and x86_64
>
> There already is a dependency on llvm${MESA_LLVM_RELEASE} so I'm not sure
> what
> magic is required to make llvm-config available.
> --
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