[Pixman] [PATCH] Fix pixman build with older GCC releases

[Matt Turner]

On Fri, Aug 9, 2013 at 6:47 PM, Brad Smith <brad at comstyle.com> wrote:
> The following diff fixes building pixman with older GCC releases such as GCC 3.3.
>
>
> diff --git a/pixman/pixman-matrix.c b/pixman/pixman-matrix.c
> index 89b9682..cacc05c 100644
> --- a/pixman/pixman-matrix.c
> +++ b/pixman/pixman-matrix.c
> @@ -37,7 +37,8 @@
>  static force_inline int
>  count_leading_zeros (uint32_t x)
>  {
> -#ifdef __GNUC__
> +#if defined(__GNUC__) && \
> +       (__GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 4))
>      return __builtin_clz (x);
>  #else
>      int n = 0;
>
> --

No objections, but I'm just curious: why?