linux-kernel - Re: [Patch] kbuild: fix a compile warning

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Message-ID: <4A21EA8E.6060507@redhat.com>
Date:	Sun, 31 May 2009 10:25:18 +0800
From:	Amerigo Wang <amwang@...hat.com>
To:	Andrew Morton <akpm@...ux-foundation.org>
CC:	linux-kernel@...r.kernel.org, Sam Ravnborg <sam@...nborg.org>
Subject: Re: [Patch] kbuild: fix a compile warning

Andrew Morton wrote:
> On Fri, 15 May 2009 03:51:18 -0400 Amerigo Wang <amwang@...hat.com> wrote:
>
>   
>> I got this warning:
>>     
>
> With which gcc version?
>   

gcc version 4.4.0 (GCC)

>   
>>  HOSTCC  scripts/basic/fixdep
>> scripts/basic/fixdep.c: In function 'traps':
>> scripts/basic/fixdep.c:377: warning: dereferencing type-punned pointer will break strict-aliasing rules
>> scripts/basic/fixdep.c:379: warning: dereferencing type-punned pointer will break strict-aliasing rules
>>
>>     
>
> (wtf?)
>   

Try the man page of gcc for -fstrict-aliasing. :)

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