linux-kernel - Re: [PATCH] x86_64: fix linking on 32-bit system

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Date:	Sun, 20 Aug 2006 20:30:48 +0200
From:	Andi Kleen <ak@...e.de>
To:	Paolo 'Blaisorblade' Giarrusso <blaisorblade@...oo.it>
Cc:	Andrew Morton <akpm@...l.org>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] x86_64: fix linking on 32-bit system

On Sunday 20 August 2006 16:31, Paolo 'Blaisorblade' Giarrusso wrote:
> From: Paolo 'Blaisorblade' Giarrusso <blaisorblade@...oo.it>
> 
> When compiling a 64-bit kernel on an Ubuntu 6.06 32bit system (whose GCC is also
> a cross-compiler for x86_64) I've seen that head.o is compiled as a 64-bit file
> (while it should not) and ld complaining about this during linking:
> 
> ld: warning: i386:x86-64 architecture of input file
> `arch/x86_64/boot/compressed/head.o' is incompatible with i386 output
> 
> I've verified that removing -m64 from compilation flags to turn
> "-m64 -traditional -m32" into "-traditional -m32" fixes the issue.

Applied thanks, but I removed the comment because it's on more
than just Ubuntu 32bit.

AFAIK the warning is harmless, but you're the first to submit a real
patch to fix it.
-Andi
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