svn commit: r285284 - head/lib/liblzma

[Pedro Giffuni]

On 07/08/15 13:36, Luigi Rizzo wrote:
> Author: luigi
> Date: Wed Jul  8 18:36:37 2015
> New Revision: 285284
> URL: https://svnweb.freebsd.org/changeset/base/285284
>
> Log:
>    only enable immintrin when clang is used. The base gcc does not support it.
>    
>    Reviewed by:	delphij
>
> Modified:
>    head/lib/liblzma/config.h
>
> Modified: head/lib/liblzma/config.h
> ==============================================================================
> --- head/lib/liblzma/config.h	Wed Jul  8 18:12:24 2015	(r285283)
> +++ head/lib/liblzma/config.h	Wed Jul  8 18:36:37 2015	(r285284)
> @@ -150,7 +150,8 @@
>   #define HAVE_ICONV 1
>   
>   /* Define to 1 if you have the <immintrin.h> header file. */
> -#if defined(__FreeBSD__) && defined(__amd64__)
> +/* FreeBSD - only with clang because the base gcc does not support it */
> +#if defined(__clang__) && defined(__FreeBSD__) && defined(__amd64__)
>   #define HAVE_IMMINTRIN_H 1
>   #endif
>   
>
FWIW, gcc 4.3+ does have it so this may some undesired (but hidden)
effect when building with an external gcc.

Pedro.