From mboxrd@z Thu Jan  1 00:00:00 1970
From: Thomas Monjalon <thomas.monjalon@6wind.com>
Subject: Re: [PATCH] lib/librte_sched: Fix compile with gcc 4.3.4
Date: Thu, 26 Nov 2015 22:28:06 +0100
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To: Michael Qiu <michael.qiu@intel.com>
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2015-11-26 18:49, Michael Qiu:
> gcc 4.3.4 does not include "immintrin.h", and will post below error:
>     lib/librte_sched/rte_sched.c:56:23: error:
>     immintrin.h: No such file or directory
> 
> To avoid this issue, a gcc version check is need and a flag to indicate
> vector ablility.
[...]
> +#if (defined(__ICC) || (__GNUC__ == 4 &&  __GNUC_MINOR__ < 4))
> +
> +#if defined(__AVX__)
>  #include <immintrin.h>
> +#define SCHED_VECTOR_ENABLE
> +#endif
> +
> +#else
> +
> +#include <x86intrin.h>
> +#define SCHED_VECTOR_ENABLE
> +
> +#endif

This kind of complication is managed by EAL.
I think we should include rte_vect.h.