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SubjectRe: [PATCHv2 00/36] perf tools: New build framework
On Fri, Jan 16, 2015 at 12:22:21PM +0000, Will Deacon wrote:
> On Fri, Jan 16, 2015 at 12:12:14PM +0000, Mark Rutland wrote:
> > On Fri, Jan 16, 2015 at 11:39:22AM +0000, Will Deacon wrote:
> > > On Thu, Jan 15, 2015 at 12:54:56PM +0000, Jiri Olsa wrote:
> > > > hi,
> > > > I'm following up on latest post from Alexis:
> > > > http://marc.info/?l=linux-kernel&m=141427580405357&w=2
> > > >
> > > > 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.
> > > >
> > > > Any feedback from ARM guys would be great ;-)
> > >
> > > [adding Mark Rutland to Cc]
> >
> > Cheers.
> >
> > I just tried a cross-build for arm, and that blew up when trying to do
> > something with arch/arm/util/libperf-in.o (log below). I bisected that
> > to f169fbc4c59dd9d4 "perf build: Add arch x86 objects building". I'm
> > looking into why now.
>
> I get a similar failure doing a native arm64 build. I think the problem is
> because the arch/ files for arm and arm64 aren't always required (i.e. there
> are configurations where nothing is built under there) and, consequently,
> libperf-in.o isn't actually needed and we try to link against something that
> doesn't exist.

exactly ;-) I'll spin v3 shortly..

thanks,
jirka


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