[oe] [Jethro] Can't compile gcc-cross when gcc-6 is the host compiler

[Burton, Ross]

On 11 August 2016 at 13:40, Jérémy Rosen <jeremy.rosen at smile.fr> wrote:

> This helped, and allowed me to go much further in my build, but the recipe
> gcc-cross-arm still failed. To be able to compile my build I had to add the
> following to my local.conf
>
> CC_pn-gcc-cross-arm= "${BUILD_CC}"
> CXX_pn-gcc-cross-arm= "${BUILD_CXX}"
> CC_pn-gcc-crosssdk-x86_64= "${BUILD_CC}"
> CXX_pn-gcc-crosssdk-x86_64= "${BUILD_CXX}"
>
>
> So apparently, gcc still has some reference to $CC and $CXX hardcoded
> somewhere (I think it's in do_configure)
>
> It seems to set $CC in the do_compile correctly, but not in do_configure.
> And it never sets $CXX
>
> I tried to understand what the GCC recipe was doing wrong, but I couldn't
> find out on first look and it's a really complicated recipe
>

Could you try adding a do_configure_prepend to gcc-cross.inc that sets
exports those (and extend the do_compile exports) to see if that solves it?

Ross