linux-kernel - Re: Perf tool won't build without libnewt

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Date:	Wed, 20 Mar 2013 13:38:21 +0000
From:	Mark Rutland <mark.rutland@....com>
To:	Arnaldo Carvalho de Melo <acme@...hat.com>
Cc:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"a.p.zijlstra@...llo.nl" <a.p.zijlstra@...llo.nl>,
	"mingo@...hat.com" <mingo@...hat.com>,
	"feng.tang@...el.com" <feng.tang@...el.com>
Subject: Re: Perf tool won't build without libnewt

On Wed, Mar 20, 2013 at 01:23:22PM +0000, Arnaldo Carvalho de Melo wrote:
> Em Wed, Mar 20, 2013 at 12:11:11PM +0000, Mark Rutland escreveu:
> > I attempted to cross-build v3.9-rc3's perf tool for an arm system today, and
> > got the following out of the build system:
> > 
> > CHK libnewt
> > Makefile:655: newt not found, disables TUI support. Please install newt-devel or libnewt-dev
> > [...]
> > builtin-report.c: In function ‘__cmd_report’:
> > builtin-report.c:478:15: error: ‘K_SWITCH_INPUT_DATA’ undeclared (first use in this function)
> > builtin-report.c:478:15: note: each undeclared identifier is reported only once for each function it appears in
> > builtin-report.c: In function ‘cmd_report’:
> > builtin-report.c:821:13: error: ‘K_SWITCH_INPUT_DATA’ undeclared (first use in this function)
> > make: *** [builtin-report.o] Error 1
> > make: *** Waiting for unfinished jobs....
> > 
> > I've bisected this down to ad0de0971b: "perf report: Enable the runtime
> > switching of perf data file".
> 
> Can you try with latest tip/perf/urgent, should go to Linus soon.
> 
> This cset should fix it:

Indeed it does.

> 
> commit 5f7439e07822942f32b9e0a66f4a3cc9c3e29e67
> Author: Michael Ellerman <michael@...erman.id.au>
> Date:   Tue Feb 26 16:02:03 2013 +1100
> 
>     perf report: Fix build with NO_NEWT=1
> 
> ----
> 
> 	Thanks for reporting!
> 
> - Arnaldo

Cheers,
Mark.
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