[Buildroot] External Toolchain: Calculation of SYSROOT_DIR in toolchain/toolchain-external/ext-tool.mk wrong?

[Warlich, Christof]

Hi Thomas, 

> Would it be possible to get your external toolchain, so that I could do
> some testing, and integrate it in my set of external toolchains, so
> that we keep it working in the future?

Thanks a lot for the offer, but I doubt that it is worth the effort.

Cheers,

Chris