[Buildroot] [PATCH RFC] Makefile: from a defconfig file, point to the corresponding board/ entry

[Yann E. MORIN <yann.morin.1998@free.fr>]

Gustavo, All,

On 2014-11-27 07:41 -0300, Gustavo Zacarias spake thusly:
> On 11/27/2014 07:37 AM, Thomas De Schampheleire wrote:
> 
> >> So, we could maybe improve this by renaming and moving our boards docs
> >> so there is a one-to-one mapping from the board directory to the
> >> corresponding defconfig file (but not necessarily the other way around).
> > 
> > 
> > I would like to point out that automatically detecting the board
> > directory is fragile, because
> > - the mapping may not be obvious, as you already found
> > - there may be more than one 'board' directory. For example, a typical
> > setup when having multiple more-or-less-related projects in a company
> > is to have several layers of post-build/rootfs-overlay/..., for
> > example:
> > board/company/common/...
> > board/company/project1/...
> > board/company/project2/...
> > In the defconfigs of both project1 and project2, the post-build and
> > rootfs-overlay settings would contain multiple entries, being
> > common+project1 and common+project2 respectively.
> > There may even be more levels than that, for example (in my case)
> > common, architecture-specific, project-family-specific,
> > board-specific.
> 
> Agreed.
> Wouldn't it be easier to define something like
> BR2_POST_BUILD_INSTRUCTIONS (with some nicer well-thought out name)
> that's shown when a successful build finishes which points to the proper
> documentation and does nothing if unset? (a good old conditional 'cat').

As I explained to J?r?me, it is not possible to use a Kconfig string
option; see:
    http://lists.busybox.net/pipermail/buildroot/2014-November/113189.html

Regards,
Yann E. MORIN.

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