Re: stable build: 203 builds: 4 failed, 199 passed, 5 errors, 41 warnings (v4.10.1)

[Jiri Olsa <jolsa@redhat.com>]

On Thu, Mar 16, 2017 at 12:46:00PM -0300, Arnaldo Carvalho de Melo wrote:
> Em Thu, Mar 16, 2017 at 04:17:04PM +0100, Jiri Olsa escreveu:
> > On Thu, Mar 16, 2017 at 12:03:38PM -0300, Arnaldo Carvalho de Melo wrote:
> > > Em Thu, Mar 16, 2017 at 03:39:36PM +0100, Arnd Bergmann escreveu:
> > > > On Thu, Mar 16, 2017 at 2:59 PM, Jiri Olsa <jolsa@redhat.com> wrote:
> > > > > On Thu, Mar 16, 2017 at 02:44:45PM +0100, Arnd Bergmann wrote:
> > > > >> On Thu, Mar 16, 2017 at 1:49 PM, Jiri Olsa <jolsa@redhat.com> wrote:
> > > > >> It's probably another variation of this bug, but the commit you cite got merged
> > > > >> into 4.10-rc1, while the problem still persists in mainline (4.11-rc2+).
> 
> > > > > the problem is in objtool build right? the fix was for perf build
> 
> > > > Ah, got it. Yes, that must be it then. I supposed we coul duplicate what you
> > > > did for perf in objtool, but a cleaner way would be to generalize it for all of
> > > > tools/, right?
> 
> > right, the thing is that objtool is standalone application like perf,
> > and before their builds can go the 'fixdep' needs to be there.. that's
> > a condition to use the tools/build framework
> 
> > not sure how offensive it'd be to current Makefiles if we come with some
> > generalized code to do that.. I'll think about it, but I think we might
> > be better of the way we are now
> 
> > > Humm, can't we have just one fixdep?
>  
> > we have.. it's just the matter who will build it first ;-)
> 
> Ok, I haven't said "can't we have just one fixdep?", what I really said
> was "can't we make sure we don't have races building it?" ;-)

I hope so ;-) but so far I cannot think of anything better than what was introduced in:
  abb26210a395 perf tools: Force fixdep compilation at the start of the build

jirka