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To: Paul Mackerras <paulus@samba.org>
cc: linux-kernel@vger.kernel.org, olh@suse.de
Subject: Re: [PATCH] allow kernel compile with native ppc64 compiler
References: <2Qoqo-Ou-41@gated-at.bofh.it> <2Qr4K-2P8-15@gated-at.bofh.it>
From: Andi Kleen <ak@muc.de>
Date: Mon, 18 Oct 2004 18:23:27 +0200
In-Reply-To: <2Qr4K-2P8-15@gated-at.bofh.it> (Paul Mackerras's message of
 "Sun, 17 Oct 2004 23:50:10 +0200")
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Paul Mackerras <paulus@samba.org> writes:

> Olaf Hering writes:
>
>> The zImage is a 32bit binary, but a native powerpc64-linux gcc will
>> produce 64bit objects in arch/ppc64/boot.
>> This patch fixes it.
>
> ... and breaks the compile on older toolchains that don't understand
> -m32.  We need to make the -m32 conditional on HAS_BIARCH as defined
> in arch/ppc64/Makefile.

Wouldn't it be more user friendly to use $(call check_gcc,-m32,) ? 

-Andi