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From: Matthew Hall <mhall@mhcomputing.net>
To: "De Lara Guarch, Pablo" <pablo.de.lara.guarch@intel.com>
Cc: "dev@dpdk.org" <dev@dpdk.org>
Subject: Re: x86_64-native-linuxapp-clang compilation broken?
Date: Wed, 17 Feb 2016 12:23:13 -0800	[thread overview]
Message-ID: <20160217202313.GA26644@mhcomputing.net> (raw)
In-Reply-To: <E115CCD9D858EF4F90C690B0DCB4D8973C8A67B0@IRSMSX108.ger.corp.intel.com>

On Wed, Feb 17, 2016 at 11:07:40AM +0000, De Lara Guarch, Pablo wrote:
> It looks like old versions of clang are not able to identify correctly the newer CPUs:
> 
> LLVM (http://llvm.org/):
>   LLVM version 3.6.2
> 
>   Optimized build.
>   Built Aug 18 2015 (08:39:18).
>   Default target: x86_64-pc-linux-gnu
>   Host CPU: x86-64 
> 
> 
> LLVM (http://llvm.org/):
>   LLVM version 3.7.0
>   Optimized build.
>   Built Jan 22 2016 (17:39:46).
>   Default target: x86_64-redhat-linux-gnu
>   Host CPU: broadwell
> 
> I will submit a patch adding a note in known issues section, unless anybody knows
> how to fix this in our side (as far as I know, it is a clang issue).
> 
> Thanks,
> Pablo

Hello Pablo,

Just having some explanation of the root cause is a great start even if it 
can't necessarily be fixed in DPDK. I will install clang 3.7.X and retry it.

Matthew.

      reply	other threads:[~2016-02-17 20:23 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-02-14 22:21 x86_64-native-linuxapp-clang compilation broken? Marc
2016-02-15  9:39 ` Mcnamara, John
2016-02-15 10:14   ` Van Haaren, Harry
2016-02-16  6:08     ` Matthew Hall
2016-02-15  9:44 ` Mcnamara, John
2016-02-16 11:49 ` Mcnamara, John
2016-02-16 12:15   ` Marc
2016-02-16 12:57     ` De Lara Guarch, Pablo
2016-02-16 18:47       ` Matthew Hall
2016-02-16 23:19         ` Marc
2016-02-17 11:07           ` De Lara Guarch, Pablo
2016-02-17 20:23             ` Matthew Hall [this message]

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