[Buildroot] Using a precompiled busybox toolchain as an external toolchain

[Willy Lambert]

[snip]
>
> As I have seen some chat about buildroot toolchain and these problem
> of relocability, a question arise :
>
> Is buildroot toolchain supposed to be maintained in the long run ? Or
> do you expect people switching more and more on external toolchains ?
>
>

May I bump this ?

I will try crosstool-ng. Is this toolchain relocable  ? so I can build
it first and then take it out of buildroot ?