[U-Boot] Notes from the U-Boot BOF Meeting in Geneva 2012/07/12

[Marek Vasut]

Dear Graeme Russ,

> Hi Wolfgang,
> 
> On Mon, Feb 18, 2013 at 8:59 PM, Wolfgang Denk <wd at denx.de> wrote:
> > Dear Simon,
> > 
> > In message <CAPnjgZ089gS0gLHBVBVARpX=awcyRUUmSLGNiR4HFkwZZLsL-
g at mail.gmail.com> you wrote:
> >> > I have started on it - I've ported over the Kbuild infrastructure into
> >> > a dedicated 'kbuild' makefile which is called from the main makefile.
> >> > This make modifications to the existing makefile very minimal
> >> > 
> >> > Now it's just a case of building all the Kconfig files which is, to
> >> > say the least, a massive task. I have a lot of other things going on,
> >> > so unfortunately progress is slow
> >> 
> >> I wonder how you got on with that? Any work-in-progress that could be
> >> used as a base? Want some help? It seems like a useful feature.
> > 
> > I also wonder if this has to be a one-step change-it-all-at-once
> > operation?  Maybe we can add the infrastructure in a neutral way, and
> > then start moving code to the Kconfig files step by step - similar to
> > what we did with moving Makefile rules out into boards.cfg ?
> 
> Alas I do not have access to the code I was working on (study is
> buried in stuff) and I really didn't get that far anyway. But, I got
> as far as knowing it is possible to run both the current Makefile
> infrastructure and the KConfig infrastructure in parallel. The trick
> is to create additional Makefiles (Makefile.kc for example). You just
> need to add stubs for the KConfig targets (menuconfig, xconfig, etc).
> 
> Once the core KConfig Make infrastructure is in place, it's simply (?)
> a case of building all the KConfig files

True, we can add Kconfig first and Kbuild afterwards.

Best regards,
Marek Vasut