[Buildroot] [PATCH] infra/pkg-kconfig: Be sure to reconfigure the package on foo-reconfigure

[Thomas De Schampheleire]

On Wed, Sep 14, 2016 at 12:35 AM, Yann E. MORIN <yann.morin.1998 at free.fr> wrote:
> Currently, calling foo-reconfigure for a kconfig-based package will not
> re-trigger the configuration (kconfig-wise) step for the package.
>
> This can be problematic when using an override-srcdir suring development
> and the content of the veride-srcdir changes (e.g. on a rebase, a merge,
> or during a bisect).
>
> This is because the configuration (kconfig-wise) of the package is not
> done in the _CONFIGURE_CMDS block, but as a separate action that is not
> part of any step [0].
>
> So, be sure to remove the stamp file .stamp_kconfig_fixup_done during
> the foo-clean-for-reconfigure rule, so that the configuration is applied
> again with the new source tree.
>
> We use another rule, foo-clean-kconfig-for-reconfigure, because we do
> not want to override the default foo-clean-for-reconfigure rule, and we
> have no way to add conditional commands to it.
>
> [0] The reasons it was not done are not entirely clear in my head, but
> IIRC that was not working at the time we tried with Thomas DS.

This period is very blurry for me :-)

I can't recall having focused on the reconfigure step for the kconfig
infrastructure, I think I was looking primarily at configure, combined
with cleans and various other combinations. So it is very well
possible that this has always been broken until now.

/Thomas