[Buildroot] legal info: saving of external toolchain

[Luca Ceresoli <luca@lucaceresoli.net>]

Hi Thomas,

Thomas De Schampheleire wrote:
> Hi Luca, all,
>
> The legal info infrastructure currently does not do anything for the
> toolchain, for 'technical reasons'. I can't recall what these
> technical reasons where. At least for external toolchains I don't see
> a big problem to copy the toolchain also in the sources/ subdirectory.
> The developer then still has the obligation to also provide the
> sources that accompany this binary distribution of the toolchain
> (which is impossible for buildroot to do), but at least the binary
> version is already taken care of.

Some stuff is better than no stuff. :)

>
> In fact, the legal-info target already calls toolchain-legal-info, but
> it does not do anything really.
>
> What do you think about implementing this for external toolchains (at
> least)? The fact that the toolchain is now using the package
> infrastructure probably makes that a tad easier.

Indeed it should be quite straightforward. It the toolchain is 
downloaded, then the tarball may just be copied (or hardlinked).
Otherwise we simply have to tar the toolchain directory.


-- 
Luca