linux-kernel - Re: Build failure on CONFIG_DEBUG_FORCE_WEAK_PER

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Date:	Tue, 05 Oct 2010 18:13:39 +0200
From:	Tejun Heo <tj@...nel.org>
To:	Namhyung Kim <namhyung@...il.com>
CC:	lkml <linux-kernel@...r.kernel.org>
Subject: Re: Build failure on CONFIG_DEBUG_FORCE_WEAK_PER_CPU?

Hello,

On 10/05/2010 01:11 PM, Namhyung Kim wrote:
> I am using system default toolchain which is:
> 
>  $ gcc --version
>  gcc (Ubuntu 4.4.3-4ubuntu5) 4.4.3
>  
>  $ ld -v
>  GNU gold (GNU Binutils for Ubuntu 2.20.1-system.20100303) 1.9

Hmmm... mines are

$ gcc --version
gcc (SUSE Linux) 4.5.0 20100604 [gcc-4_5-branch revision 160292]
Copyright (C) 2010 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.  There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

$ ld -v
GNU ld (GNU Binutils; openSUSE 11.3) 2.20.0.20100122-6

> A minimal .config can be made easily by doing make allnoconfig and
> selecting CONFIG_DEBUG_INFO and CONFIG_DEBUG_FORCE_WEAK_PER_CPU.
> Attached mine for your convenience. Thanks :-)

and the same config builds just fine.  Can you please try newer
compiler / linker?  The config option hasn't caused any trouble till
now and allyesconfig is something which get regularly tested so I'm
skeptical this is a wide spread problem.

Thanks.

-- 
tejun
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