[Mesa-dev] [PATCH] Add macro for unused function attribute.

[Emil Velikov]

On 07/03/15 22:09, Vinson Lee wrote:
> Suggested-by: Emil Velikov <emil.l.velikov at gmail.com>
> Signed-off-by: Vinson Lee <vlee at freedesktop.org>
Reviewed-by: Emil Velikov <emil.l.velikov at gmail.com>

Looks great. Thanks.
Emil

> ---
>  configure.ac      | 1 +
>  scons/gallium.py  | 1 +
>  src/util/macros.h | 6 ++++++
>  3 files changed, 8 insertions(+)
> 
> diff --git a/configure.ac b/configure.ac
> index 90c7737..2954f80 100644
> --- a/configure.ac
> +++ b/configure.ac
> @@ -195,6 +195,7 @@ AX_GCC_FUNC_ATTRIBUTE([flatten])
>  AX_GCC_FUNC_ATTRIBUTE([format])
>  AX_GCC_FUNC_ATTRIBUTE([malloc])
>  AX_GCC_FUNC_ATTRIBUTE([packed])
> +AX_GCC_FUNC_ATTRIBUTE([unused])
>  
>  AM_CONDITIONAL([GEN_ASM_OFFSETS], test "x$GEN_ASM_OFFSETS" = xyes)
>  
> diff --git a/scons/gallium.py b/scons/gallium.py
> index 7533f06..b162089 100755
> --- a/scons/gallium.py
> +++ b/scons/gallium.py
> @@ -369,6 +369,7 @@ def generate(env):
>              'HAVE___BUILTIN_FFS',
>              'HAVE___BUILTIN_FFSLL',
>              'HAVE_FUNC_ATTRIBUTE_FLATTEN',
> +            'HAVE_FUNC_ATTRIBUTE_UNUSED',
>              # GCC 3.0
>              'HAVE_FUNC_ATTRIBUTE_FORMAT',
>              'HAVE_FUNC_ATTRIBUTE_PACKED',
> diff --git a/src/util/macros.h b/src/util/macros.h
> index 63daba3..6c7bda7 100644
> --- a/src/util/macros.h
> +++ b/src/util/macros.h
> @@ -176,5 +176,11 @@ do {                       \
>  #  endif
>  #endif
>  
> +#ifdef HAVE_FUNC_ATTRIBUTE_UNUSED
> +#define UNUSED __attribute__((unused))
> +#else
> +#define UNUSED
> +#endif
> +
>  
>  #endif /* UTIL_MACROS_H */
>