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

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Message-ID: <20130222150814.GD18567@ghostprotocols.net>
Date:	Fri, 22 Feb 2013 12:08:14 -0300
From:	Arnaldo Carvalho de Melo <acme@...stprotocols.net>
To:	Sergei Trofimovich <slyich@...il.com>
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

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
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