linux-kernel - Re: [PATCH] perf tools: support static build

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Date:	Mon, 23 Nov 2009 09:45:43 +0100
From:	Ingo Molnar <mingo@...e.hu>
To:	Paul Mackerras <paulus@...ba.org>
Cc:	"Michael S. Tsirkin" <mst@...hat.com>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Arnaldo Carvalho de Melo <acme@...hat.com>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] perf tools: support static build


* Paul Mackerras <paulus@...ba.org> wrote:

> Michael S. Tsirkin writes:
> 
> > Btw, why is it a good idea to force 64/32 bit mode?
> > Why not use the default gcc mode?
> 
> On powerpc the gcc default is often 32-bit even when running under a 
> 64-bit kernel, but we want to build perf 64-bit if possible.

This can then be forced by doing something like:

  make EXTRAFLAGS=-m64

... but i'd not mind a PowerPC default for EXTRAFLAGS either.

	Ingo
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