From mboxrd@z Thu Jan  1 00:00:00 1970
Received: from eggs.gnu.org ([140.186.70.92]:43443)
	by lists.gnu.org with esmtp (Exim 4.71)
	(envelope-from <avi@redhat.com>) id 1QwZm0-0007CN-Tx
	for qemu-devel@nongnu.org; Thu, 25 Aug 2011 09:15:09 -0400
Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71)
	(envelope-from <avi@redhat.com>) id 1QwZlz-0004P5-Jl
	for qemu-devel@nongnu.org; Thu, 25 Aug 2011 09:15:08 -0400
Received: from mx1.redhat.com ([209.132.183.28]:2961)
	by eggs.gnu.org with esmtp (Exim 4.71)
	(envelope-from <avi@redhat.com>) id 1QwZlz-0004ON-6K
	for qemu-devel@nongnu.org; Thu, 25 Aug 2011 09:15:07 -0400
Message-ID: <4E564AD6.7040307@redhat.com>
Date: Thu, 25 Aug 2011 16:15:02 +0300
From: Avi Kivity <avi@redhat.com>
MIME-Version: 1.0
References: <4E48BF2F.7080901@web.de>
	<4E501243.2090806@mail.berlios.de>	<CAETRQWkDzb0d_uomZeGA2LcvRdo=Fwr3zfN95UCcQELzzzNi+w@mail.gmail.com>	<4E54C045.9020007@web.de>	<CAETRQW=Go8v_uxzY12UJD0xoBZv4Tw-O8kPwQsUaVsCxU6be1w@mail.gmail.com>	<4E562C38.3010908@web.de>	<CAETRQW=SnQxf1UfFg7oxUK2KKW-SGCU=-C6FNMOSmnrd=89uJg@mail.gmail.com>	<4E564254.2080204@web.de>
	<4E5647F0.1080806@redhat.com> <4E564909.6010105@us.ibm.com>
In-Reply-To: <4E564909.6010105@us.ibm.com>
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: <qemu-devel.nongnu.org>
List-Unsubscribe: <https://lists.nongnu.org/mailman/options/qemu-devel>,
	<mailto:qemu-devel-request@nongnu.org?subject=unsubscribe>
List-Archive: <http://lists.nongnu.org/archive/html/qemu-devel>
List-Post: <mailto:qemu-devel@nongnu.org>
List-Help: <mailto:qemu-devel-request@nongnu.org?subject=help>
List-Subscribe: <https://lists.nongnu.org/mailman/listinfo/qemu-devel>,
	<mailto:qemu-devel-request@nongnu.org?subject=subscribe>
To: Anthony Liguori <aliguori@us.ibm.com>
Cc: Blue Swirl <blauwirbel@gmail.com>, TeLeMan <geleman@gmail.com>, Jan Kiszka <jan.kiszka@web.de>, qemu-devel <qemu-devel@nongnu.org>

On 08/25/2011 04:07 PM, Anthony Liguori wrote:
> On 08/25/2011 08:02 AM, Avi Kivity wrote:
>> 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.
>
> No, we can't do that.
>
> The reason glib uses -mms-bitfields is that you need to use it in 
> order to call Windows APIs which is does.  We will eventually need to 
> do it anyway.

I meant, just for our own objects.  As long as there are no glib APIs 
which use bitfields, it should work.

However, I don't like it either, and prefer the 
__attribute__(((((((gcc_fields)))))) as well.

-- 
I have a truly marvellous patch that fixes the bug which this
signature is too narrow to contain.