[U-Boot] [PATCH v8 0/38] Switch over to real Kbuild

[Tom Rini]

On Sat, Feb 15, 2014 at 06:30:59PM -0700, Simon Glass wrote:
> Hi Masahiro,
> 
> On 6 February 2014 14:10, Tom Rini <trini at ti.com> wrote:
> > On Mon, Feb 03, 2014 at 12:46:30PM +0900, Masahiro Yamada wrote:
> >
> >> Hello Simon and Tom,
> >>
> >>
> >> This is my analysis of Kbuild performance.
> > [snip]
> >> Conclusion:
> >> The main reasons of the slow down with Kbuild are "fixdep" and "arg-check".
> >> Both of them are really important features for Kbuild and Kconfig.
> >>     - "fixdep" is mandatory for our better life with Kconfig.
> >>     - "arg-check" is for perfect dependency tracking.
> >>
> 
> Thanks for your detailed analysis of this. The slower build time is
> unfortunate but I think it is worth it. The fixdep thing is similar to
> the penalty from the autoconf series I did a while ago. Maybe the
> scripts can be sped up, I'm not sure.
> 
> >>
> >>
> >> > > What's your plan about this series?
> >> > > Are we ready to switch to Kbuild, or need more review?
> >> >
> >> > Lets get the performance problem Simon found figured out, but then
> >> > otherwise, yes, I think we're about ready to merge.
> >>
> >> Tom, are you satisfied with my analisys?
> >
> > I am, yes.  I guess if we're unhappy with the times, if we can improve
> > them we can push that back to the kernel and that's a good thing.
> 
> Well IMO the sooner this is merged the better so that the Makefiles
> become stable again.

Agreed.  Weather ate most of last week for me when I had hoped to clear
out some things and then grab this series.  Back at it all now..

-- 
Tom
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