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References: <1256330234-14079-1-git-send-email-marti@juffo.org> 
	<20091023210231.GC8356@elte.hu> <1256334501-15755-1-git-send-email-marti@juffo.org>
From: Lucas De Marchi <lucas.de.marchi@gmail.com>
Date: Fri, 23 Oct 2009 23:07:38 -0200
Message-ID: <193b0f820910231807t35f8b462r1f92e28492b780e2@mail.gmail.com>
Subject: Re: [PATCH] perf tools: add compatibility with libelf 0.8 and 
	autodetect
To: Marti Raudsepp <marti@juffo.org>
Cc: Ingo Molnar <mingo@elte.hu>, Peter Zijlstra <a.p.zijlstra@chello.nl>,
       Paul Mackerras <paulus@samba.org>,
       Frederic Weisbecker <fweisbec@gmail.com>,
       Arnaldo Carvalho de Melo <acme@redhat.com>,
       Arjan van de Ven <arjan@linux.intel.com>,
       Mike Galbraith <efault@gmx.de>, linux-kernel@vger.kernel.org
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On Fri, Oct 23, 2009 at 19:48, Marti Raudsepp <marti@juffo.org> wrote:
> On Sat, Oct 24, 2009 at 12:02 AM, Ingo Molnar <mingo@elte.hu> wrote:
>> Mind doing a small change:
>>
>> I think we want a small cleanup here: a perf_elf_begin() wrapper in a
>> header file to hide this #ifdef. (That's how Git wraps environmental
>> libraries as well.)
>
Why don't you do something like?:

#ifdef LIBELF_NO_MMAP
#define ELF_C_READ_MMAP ELF_C_READ
#endif
+ changes to Makefile

or:

#ifndef ELF_C_READ_MMAP
#define ELF_C_READ_MMAP ELF_C_READ
#endif
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