<div style="line-height:1.7;color:#000000;font-size:14px;font-family:Arial"><div><br></div><div>Hi,</div><div> I don't want to receive these letters again, how to un subscribe ? </div><div> please help me ,thanks a lot.</div><div style="position:relative;zoom:1"></div><div id="divNeteaseMailCard"></div><div><br></div><pre><br>At 2016-01-11 04:01:25, spice-devel-request@lists.freedesktop.org wrote:
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> 1. Re: [spice-protocol] Use gcc builtin rather than asm for
> memory barriers (Uri Lublin)
>
>
>----------------------------------------------------------------------
>
>Message: 1
>Date: Sun, 10 Jan 2016 10:16:59 +0200
>From: Uri Lublin <uril@redhat.com>
>To: Frediano Ziglio <fziglio@redhat.com>, Christophe Fergeau
> <cfergeau@redhat.com>
>Cc: spice-devel@lists.freedesktop.org
>Subject: Re: [Spice-devel] [spice-protocol] Use gcc builtin rather
> than asm for memory barriers
>Message-ID: <5692137B.4060804@redhat.com>
>Content-Type: text/plain; charset=utf-8; format=flowed
>
>On 01/08/2016 11:41 AM, Frediano Ziglio wrote:
>>>
>>> On Thu, Jan 07, 2016 at 09:35:34PM +0200, Uri Lublin wrote:
>>>> On 01/06/2016 12:26 PM, Christophe Fergeau wrote:
>>>>> This should make things more portable.
>>>>
>>>> Hi Christophe,
>>>>
>>>> This only works for building with (not too old) gcc.
>>>>
>>>> It would be safer to check that in configure and
>>>> add a conditional here.
>>>
>>> This works starting from 4.4 (sync_synchronize was available before but
>>> broken on x86 if I read
>>> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=36793 correctly).
>>> EL6 has gcc 4.4 as Frediano pointed out, so I think we'll be fine
>>> with this.
>>>
>>> Christophe
>>>
>>
>> According to https://gcc.gnu.org/releases.html gcc 4.4 was released on April 2009.
>> According to packages.ubuntu.com precise (12.04) supports gcc 4.4.
>> Unless we want to compile with a RH 5 looks like 4.4 should be available.
>> On the other side you never know on which environment people wants to compile stuff
>> but I vote to just assume gcc 4.4.
>>
>> Frediano
>>
>
>OK.
>
>
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>End of Spice-devel Digest, Vol 72, Issue 22
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