linux-kernel - Re: [PATCH 8/9] um: fix strrchr problems

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Message-ID: <4E5CBC3F.9030006@nod.at>
Date:	Tue, 30 Aug 2011 12:32:31 +0200
From:	Richard Weinberger <richard@....at>
To:	Al Viro <viro@...IV.linux.org.uk>
CC:	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org,
	user-mode-linux-devel@...ts.sourceforge.net, jdike@...toit.com
Subject: Re: [PATCH 8/9] um: fix strrchr problems

Am 30.08.2011 04:48, schrieb Al Viro:
> On Tue, Aug 30, 2011 at 01:23:31AM +0100, Al Viro wrote:
>> On Tue, Aug 30, 2011 at 12:25:25AM +0200, Richard Weinberger wrote:
>>
>>> I'm building most of the time static.
>>> Using defconfig and
>>> CONFIG_STATIC_LINK=y
>>> it builds fine here (x86_64 and i386)
>>
>> 32bit build works, 64bit one breaks with
>>
>> /usr/lib/gcc/x86_64-linux-gnu/4.4.5/../../../../lib/libc.a(strrchr.o): In function `rindex':
>> (.text+0x0): multiple definition of `strrchr'
>>
>> on squeeze/amd64 with stock toolchain and libc (2.11.2-10).  .config, if
>> you care, is as below, but I really suspect that most of that is irrelevant.
>
> As the matter of fact, on the same build system defconfig + STATIC_LINK +
> UML_NET_VDE is enough to reproduce it.
>
> Toolchain:
> 	libc6		2.11.2-10
> 	vde2		2.2.3-3
> 	gcc		4.4.5-8
> 	binutils	2.20.1-16
>
> all from stock stable/amd64.  Note that debian has the original of that
> patch in their user-mode-linux package; see http://bugs.debian.org/494995
> for history.

defconfig + STATIC_LINK +  UML_NET_VDE builds fine for me.

Toolchain (openSUSE 11.4):
glibc: 2.11.3
vde2: 2.3.1
gcc: 4.5.3
binutils: 2.21.1

Is my vde too new?
BTW: Why is only strstr affected, what makes it so special?

Thanks,
//richard
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