[FFmpeg-devel] [PATCH] configure: check yasm/nasm for working pextrd opcode

[Diego Biurrun]

On Sun, Feb 06, 2011 at 07:58:02AM +0200, Anssi Hannula wrote:
> NASM versions older than 2.08 fail to build ffmpeg with several
> "error: operation size not specified" errors but this is not caught in
> configure.
> 
> Fix that by checking if "pextrd [eax], xmm0, 1" works in configure.
> 
> --- a/configure
> +++ b/configure
> @@ -2671,7 +2671,7 @@ EOF
>  
> -        check_yasm "pabsw xmm0, xmm0" && enable yasm ||
> +        check_yasm "pextrd [eax], xmm0, 1" && enable yasm ||
>              die "yasm not found, use --disable-yasm for a crippled build"

OK

Diego