linux-kernel - Re: [PATCH] Fix cc1 options check to ensure we do not use -fPIC when compiling

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Date:	Tue, 08 Sep 2009 18:02:45 -0700
From:	"H. Peter Anvin" <hpa@...or.com>
To:	"Jory A. Pratt" <anarchy@...too.org>
CC:	"akpm@...ux-foundation.org" <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org, torvalds@...ux-foundation.org,
	hardened-dev@...too.org
Subject: Re: [PATCH] Fix cc1 options check to ensure we do not use -fPIC when
 compiling

On 09/08/2009 05:47 PM, Jory A. Pratt wrote:
> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA1
> 
> I have sent this to the lkml, it seems to have been pushed to the back
> burner. This is a major issue effecting users/developers that are
> working on a much more security enhanced system. This means any gentoo
> user running a hardened toolchain will have problems building a kernel
> that works as expect. This patch does nothing but pass the macro
> - -D__KERNEL__ to ensure that hardened toolchain drops back to that of a
> vanilla toolchain to prevent unexpected compile problems in the kernel.
> 

This should also be sent to the Kbuild maintainer, Sam Ravnborg
<sam@...nborg.org>.

	-hpa
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