[FFmpeg-devel] [PATCH] lavu/intmath.h: fix compilation with msvc10.

[Michael Niedermayer]

On Mon, Jun 06, 2016 at 05:11:34PM +1000, Matt Oliver wrote:
> ---
>  libavutil/x86/intmath.h | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/libavutil/x86/intmath.h b/libavutil/x86/intmath.h
> index f58b0d0..de177dd 100644
> --- a/libavutil/x86/intmath.h
> +++ b/libavutil/x86/intmath.h
> @@ -47,6 +47,7 @@ static av_always_inline av_const int ff_log2_x86(unsigned
> int v)
>  #   endif
>  #   define ff_log2_16bit av_log2
> 
> +#if defined(_MSC_VER) && (_MSC_VER >= 1700)
>  #   define ff_ctz(v) _tzcnt_u32(v)

should this not be some configre based chec like
CONFIG_TZCNT_U32
?

[...]

-- 
Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

I am the wisest man alive, for I know one thing, and that is that I know
nothing. -- Socrates
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