From mboxrd@z Thu Jan  1 00:00:00 1970
From: Thomas Monjalon <thomas.monjalon@6wind.com>
Subject: Re: [PATCH v5 05/10] qede: Add core driver
Date: Wed, 20 Apr 2016 10:54:51 +0200
Message-ID: <2663604.CUOUCMLdhT@xps13>
References: <1459476927-21387-1-git-send-email-rasesh.mody@qlogic.com>
 <11002101.xZ8QHIe3Y4@xps13>
 <BY1PR11MB0151FD3A711E4313D45CEE0D856D0@BY1PR11MB0151.namprd11.prod.outlook.com>
Mime-Version: 1.0
Content-Type: text/plain; charset="us-ascii"
Content-Transfer-Encoding: 7Bit
Cc: bruce.richardson@intel.com, dev@dpdk.org, stephen@networkplumber.org,
 Ameen Rahman <ameen.rahman@qlogic.com>, Harish Patil <harish.patil@qlogic.com>,
 Sony Chacko <sony.chacko@qlogic.com>
To: Rasesh Mody <rasesh.mody@qlogic.com>
Return-path: <dev-bounces@dpdk.org>
Received: from mail-wm0-f53.google.com (mail-wm0-f53.google.com [74.125.82.53])
 by dpdk.org (Postfix) with ESMTP id AF2733B5
 for <dev@dpdk.org>; Wed, 20 Apr 2016 10:54:53 +0200 (CEST)
Received: by mail-wm0-f53.google.com with SMTP id l6so33367600wml.1
 for <dev@dpdk.org>; Wed, 20 Apr 2016 01:54:53 -0700 (PDT)
In-Reply-To: <BY1PR11MB0151FD3A711E4313D45CEE0D856D0@BY1PR11MB0151.namprd11.prod.outlook.com>
List-Id: patches and discussions about DPDK <dev.dpdk.org>
List-Unsubscribe: <http://dpdk.org/ml/options/dev>,
 <mailto:dev-request@dpdk.org?subject=unsubscribe>
List-Archive: <http://dpdk.org/ml/archives/dev/>
List-Post: <mailto:dev@dpdk.org>
List-Help: <mailto:dev-request@dpdk.org?subject=help>
List-Subscribe: <http://dpdk.org/ml/listinfo/dev>,
 <mailto:dev-request@dpdk.org?subject=subscribe>
Errors-To: dev-bounces@dpdk.org
Sender: "dev" <dev-bounces@dpdk.org>

2016-04-20 01:09, Rasesh Mody:
> Hi Thomas,
> 
> > From: Thomas Monjalon [mailto:thomas.monjalon@6wind.com]
> > Sent: Tuesday, April 19, 2016 5:59 AM
> > 
> > 2016-03-31 19:15, Rasesh Mody:
> > > +ifeq ($(OS_TYPE),Linux)
> > > +CFLAGS_ECORE_DRIVER += -Wno-shift-negative-value endif
> > 
> > I see an error with clang:
> > fatal error: unknown warning option '-Wno-shift-negative-value';
> > 	did you mean '-Wno-shift-sign-overflow'?
> 
> We had compiled all our v5 driver patches against clang v3.8 on  RH7.1 and didn't see a similar error. 
>          "clang version 3.8.0 (trunk 249596) (llvm/trunk 249595)"
> 
> The '-Wno-shift-negative-value' option only got introduced after 3.6.0 clang release.  Pls. let us know if we need to support a minimum version of clang. We had asked this question earlier in the dpdk community, however we didn't hear back from anyone so far.

I use clang-3.6.2.
You are right there is no official requirement in
doc/guides/linux_gsg/sys_reqs.rst.
Opinions about minimal version to support?