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To: Jerin Jacob <jerin.jacob@caviumnetworks.com>,
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References: <20170406121428.16883-1-ferruh.yigit@intel.com>
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From: Ferruh Yigit <ferruh.yigit@intel.com>
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Date: Thu, 6 Apr 2017 14:05:23 +0100
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Subject: Re: [dpdk-dev] [PATCH 1/3] net/thunderx: disable pmd for gcc < 4.7
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On 4/6/2017 1:14 PM, Ferruh Yigit wrote:
> PMD uses some compiler builtins and new compiler options. Tested with
> gcc 4.5.1 and following were not supported:
> 
> option:
> -Ofast
> 
> macros:
> _Static_assert
> 
> __ORDER_LITTLE_ENDIAN__
> __ORDER_BIG_ENDIAN__
> __BYTE_ORDER__
> 
> __atomic_fetch_add
> __ATOMIC_ACQUIRE
> __atomic_load_n
> __ATOMIC_RELAXED
> __atomic_store_n
> __ATOMIC_RELEASE
> 
> It is not easy to fix all in PMD, disabling PMD for gcc version < 4.7
> 
> Signed-off-by: Ferruh Yigit <ferruh.yigit@intel.com>

Need to update patch to cover icc 14.0, will send a v2 soon.