linux-kernel - Re: [PATCH] tools/perf/Makefile: drop _FORTIFY

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Date:	Sat, 23 Feb 2013 14:34:33 +0300
From:	Sergei Trofimovich <slyich@...il.com>
To:	Arnaldo Carvalho de Melo <acme@...stprotocols.net>
Cc:	linux-kernel@...r.kernel.org,
	Sergei Trofimovich <slyfox@...too.org>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Paul Mackerras <paulus@...ba.org>,
	Ingo Molnar <mingo@...hat.com>
Subject: Re: [PATCH] tools/perf/Makefile: drop _FORTIFY_SOURCE right before
 redefinition

On Fri, 22 Feb 2013 12:08:14 -0300
Arnaldo Carvalho de Melo <acme@...stprotocols.net> wrote:

> Em Fri, Feb 22, 2013 at 01:17:54PM +0300, Sergei Trofimovich escreveu:
> > From: Sergei Trofimovich <slyfox@...too.org>
> > 
> > Gentoo's toolchain sets _FORTIFY_SOURCE by default
> > which leads to very obscure error:
> > 
> > perf # make clean && make
> > Makefile:455: No libdw.h found or old libdw.h found or elfutils is older than 0.138, disables dwarf support. Please install new elfutils-devel/libdw-dev
> > Makefile:470: *** No gnu/libc-version.h found, please install glibc-dev[el]/glibc-static.  Stop
> > 
> > Patch explicitely undefines _FORTIFY_SOURCE. Thanks!
> 
> There was a fix merged recently related to this define, can you please
> check?
> 
> git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux
> 
> branch
> 
> perf/core
> 
> This patch:
> 
> http://git.kernel.org/?p=linux/kernel/git/acme/linux.git;a=commitdiff;h=1807606ac70da5cda870362c13e71d60e94f9c13
> 
> - Arnaldo

Yeah, works fine as well. Thank you!

-- 

  Sergei

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