[Buildroot] [RFC] [PATCH v2 2/2] support/kconfig: Bump to kconfig from Linux 4.17-rc2

[Petr Vorel <petr.vorel@gmail.com>]

Hi Yann,

> Thomas, All,

> On 2018-05-19 23:03 +0200, Thomas Petazzoni spake thusly:
> > If we were to drop the *shipped files, it means we would have to build
> > host-flex and host-bison prior to running any "make *config" command.
> > This would be really annoying.

> And would requier quite a rework of the main Makefile, since we do not
> include that pcakge .mk files until we do have a .coinfig file. So
> currently, we can't have host-{flex,bison} before we have a .config.
Thank you for investigation. IMHO keeping *shipped files is the best option, I'd keep it for
a start.

Later we can switch to require flex and bison, as Thomas suggested (works quite well
in linux kernel, I suppose it'd be working for Buildroot as well):
> > Alternatively, we could decide to make
> > "flex" and "bison" mandatory dependencies of Buildroot, and rely on the
> > user to install them on the system rather than building them ourselves.
> > The drawback of this is that we would no longer control which version
> > of flex/bison gets used.


> Regards,
> Yann E. MORIN.


Kind regards,
Petr