From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([140.186.70.92]:59029) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1QwZa5-0005RN-KH for qemu-devel@nongnu.org; Thu, 25 Aug 2011 09:02:50 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1QwZa3-0001vY-Fh for qemu-devel@nongnu.org; Thu, 25 Aug 2011 09:02:49 -0400 Received: from mx1.redhat.com ([209.132.183.28]:4776) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1QwZa3-0001v3-5z for qemu-devel@nongnu.org; Thu, 25 Aug 2011 09:02:47 -0400 Message-ID: <4E5647F0.1080806@redhat.com> Date: Thu, 25 Aug 2011 16:02:40 +0300 From: Avi Kivity MIME-Version: 1.0 References: <4E48BF2F.7080901@web.de> <4E501243.2090806@mail.berlios.de> <4E54C045.9020007@web.de> <4E562C38.3010908@web.de> <4E564254.2080204@web.de> In-Reply-To: <4E564254.2080204@web.de> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Subject: Re: [Qemu-devel] [PULL] slirp: Fix issues with -mms-bitfields List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Jan Kiszka Cc: Blue Swirl , TeLeMan , Anthony Liguori , qemu-devel On 08/25/2011 03:38 PM, Jan Kiszka wrote: > >> > >> What a mess. Do we really have to go through all 257 packed data structs > >> in QEMU and add these MS compat bits to all potentially affected ones? > > I prefer to detect -mms-bitfields and remove it in configure. Can use -mno-ms-bitfields later to override it. > /me too - if that is possible, ie. if the glib bits we are using doesn't > require us to apply that mode. Can anyone comment on this? > I'd shy away from that. Even if it works now it may break later. We should simply avoid bitfields on externally-defined formats; meanwhile we can use __attribute__((gcc_struct)) and keep using those we have already. -- I have a truly marvellous patch that fixes the bug which this signature is too narrow to contain.