From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755303AbZEaCXS (ORCPT ); Sat, 30 May 2009 22:23:18 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753124AbZEaCXL (ORCPT ); Sat, 30 May 2009 22:23:11 -0400 Received: from mx2.redhat.com ([66.187.237.31]:56797 "EHLO mx2.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752909AbZEaCXK (ORCPT ); Sat, 30 May 2009 22:23:10 -0400 Message-ID: <4A21EA8E.6060507@redhat.com> Date: Sun, 31 May 2009 10:25:18 +0800 From: Amerigo Wang User-Agent: Thunderbird 2.0.0.21 (X11/20090319) MIME-Version: 1.0 To: Andrew Morton CC: linux-kernel@vger.kernel.org, Sam Ravnborg Subject: Re: [Patch] kbuild: fix a compile warning References: <20090515075229.11346.6710.sendpatchset@localhost.localdomain> <20090528004100.3716e00d.akpm@linux-foundation.org> In-Reply-To: <20090528004100.3716e00d.akpm@linux-foundation.org> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Andrew Morton wrote: > On Fri, 15 May 2009 03:51:18 -0400 Amerigo Wang 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. :)