linux-kernel - Re: [patch] perf build questions

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Date:	Tue, 06 Oct 2009 10:48:59 +0200
From:	Peter Zijlstra <a.p.zijlstra@...llo.nl>
To:	Randy Dunlap <randy.dunlap@...cle.com>
Cc:	lkml <linux-kernel@...r.kernel.org>,
	Paul Mackerras <paulus@...ba.org>, Ingo Molnar <mingo@...e.hu>
Subject: Re: [patch] perf build questions

On Mon, 2009-10-05 at 13:17 -0700, Randy Dunlap wrote:
> Hi,
> 
> How do I build 'perf' for an i386 target when running on x86_64?

make NO_64BIT=1

> and how do I do 'perf' cross-builds in general?

make CC=arm-linux-gcc AR=arm-linux-ar STRIP=arm-linux-strip

I think,.. but I don't have full cross build environments, just the bare
binutils+gcc bits to cross build kernels.

> Also, I see build errors/warnings (-Werror).  Others aren't seeing these?
> Just due to my gcc version?

Didn't see any here, but what frederic said..

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