[Piglit] [PATCH] ext_transform_feedback-api-errors: Silence _GNU_SOURCE redefined warning.

[Brian Paul]

On 12/20/2013 07:26 PM, Vinson Lee wrote:
> Fixes GCC warning.
>
> api-errors.c:51:0: warning: "_GNU_SOURCE" redefined [enabled by default]
>   #define _GNU_SOURCE
>   ^
> <command-line>:0:0: note: this is the location of the previous definition
>
> Signed-off-by: Vinson Lee <vlee at freedesktop.org>
> ---
>   tests/spec/ext_transform_feedback/api-errors.c | 2 ++
>   1 file changed, 2 insertions(+)
>
> diff --git a/tests/spec/ext_transform_feedback/api-errors.c b/tests/spec/ext_transform_feedback/api-errors.c
> index 752187d..c8d65c4 100644
> --- a/tests/spec/ext_transform_feedback/api-errors.c
> +++ b/tests/spec/ext_transform_feedback/api-errors.c
> @@ -48,7 +48,9 @@
>    * implementation is not overly aggressive in flagging errors.
>    */
>
> +#ifndef _GNU_SOURCE
>   #define _GNU_SOURCE
> +#endif
>   #include "piglit-util-gl-common.h"
>
>   PIGLIT_GL_TEST_CONFIG_BEGIN
>

Reviewed-by: Brian Paul <brianp at vmware.com>