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Message-ID: <18984.28387.116533.597438@cargo.ozlabs.ibm.com>
Date: Fri, 5 Jun 2009 11:03:31 +1000
From: Paul Mackerras <paulus@samba.org>
To: mingo@redhat.com
Cc: hpa@zytor.com, acme@redhat.com, linux-kernel@vger.kernel.org,
       a.p.zijlstra@chello.nl, efault@gmx.de, mtosatti@redhat.com,
       tglx@linutronix.de, cjashfor@linux.vnet.ibm.com
Subject: Re: [tip:perfcounters/core] perf_counter tools: Build with native optimization
In-Reply-To: <tip-af794b94ae8a16fb4a9da6ce640c122efb44e2a0@git.kernel.org>
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	<tip-af794b94ae8a16fb4a9da6ce640c122efb44e2a0@git.kernel.org>
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tip-bot for Ingo Molnar writes:

> perf_counter tools: Build with native optimization
> 
> Build the tools with -march=native by default.

On powerpc (RHEL5.2 on POWER5+, gcc 4.1.2), I get:

    CC perf.o
cc1: error: unrecognized command line option "-march=native"
make: *** [perf.o] Error 1

Is there a way to make the default CFLAGS depend on the architecture?
We need -m64 on powerpc as well.

Paul.