Re: [PATCHv3 00/36] perf tools: New build framework

[Jiri Olsa <jolsa@redhat.com>]

On Wed, Jan 21, 2015 at 07:13:04AM +0100, Ingo Molnar wrote:
> 
> * Jiri Olsa <jolsa@kernel.org> wrote:
> 
> > hi,
> > I'm following up on latest post from Alexis:
> >   http://marc.info/?l=linux-kernel&m=141427580405357&w=2
> > 
> > v3 changes:
> >   - disabling only builtin rules, keeping builtin variables in place
> >     because some projects we depends on using them (traceevent) [David]
> >   - fixed empy source list issue that happened on arm [Will, Mark]
> >   - updated to the current Arnaldo's perf/core branch
> >   - added automated tests into: tools/build/tests/
> >   - tested on arm64,ppc64,s390,x86_64,i386
> > 
> > v2 changes:
> >   - build Makefiles librarized and moved to 'tools/build' [Ingo]
> >   - several minor fixies [Namhyung]
> >   - tested on other archs now - x86_64, i386, powerpc
> >   - moved tools/lib/* under new build framework to show
> >     that it's possible ;-)
> >     included traceevent/lockdep maintainers to get the feedback
> >   - omitted last 2 patches
> > 
> > The patchset is also available in:
> >   git://git.kernel.org/pub/scm/linux/kernel/git/jolsa/perf.git
> >   perf/build
> > 
> > All tests/make tests passed.
> 
> Very nice! I gave it a quick test and saw no problems, behavior, 
> speed and functionality of the build appears to be identical to 
> the old system.
> 
> > Also now we have the full dependency check ((gcc -Wp,-MD,... 
> > stuff) and build command line is stored/checked automatically 
> > by the build system.
> 
> Btw., another thing that might be nice to extract into 
> tools/build/ [or tools/config/] is the build/OS features 
> detection framework - it goes hand in hand with the build
> system.

right, it's on my TODO list ;-)

jirka