[oe] [PATCH] [jethro] fix gcc-cross when BUILD_* are set

[Burton, Ross]

On 16 August 2016 at 11:31, Jérémy Rosen <jeremy.rosen at smile.fr> wrote:

> When building with a compiler which is not gcc the gcc-croos will still
> use the $CC and $CXX variables
>
> These variables are not set properly to BUILD_CC and BUILD_CXX by the
> recipe.
>
> This is problematic now for jethro because gcc-6 is the default compiler
> for some distros (debian testing) which can't build jethro anymore
>

Needs to go to openembedded-core@, and needs to be for/tested with master
before hitting the stable branches.

Ross