[yocto] Error do_compile libepoxy

[Alexander Kanavin]

On 01/19/2018 05:29 AM, Andre McCurdy wrote:
>> Note that this same test does build fine in poky, so disabling the tests is
>> not a good fix. You should figure out what is about the non-poky EGL headers
>> that is causing the failure, and whether you need to configure the provider
>> of those headers differently, or add missing dependencies etc.
> 
> Upstream documents that the test suite relies on X11:
> 
>    https://github.com/anholt/libepoxy/blob/1.4.3/README.md#building
> 
> So disabling the test suite for targets without X11 seems like a
> perfectly reasonable approach.

The meson.build files already have guards for lack of X11 around the 
test files that are failing here. It looks like in this particular 
configuration meson erroneously detects that X11 is present, when it's not.

Alex