[Intel-gfx] [PATCH 2/2] drm/i915: Add -Wunused-const-variable to our build

[Ville Syrjälä]

On Fri, Oct 13, 2017 at 05:08:30PM +0100, Chris Wilson wrote:
> Recently this warning caught a regression that had been lurking for 6
> months, so it seems to be justified!
> 
> Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
> ---
>  drivers/gpu/drm/i915/Makefile | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/gpu/drm/i915/Makefile b/drivers/gpu/drm/i915/Makefile
> index 0bb6e423ecd7..4351b7b6f09b 100644
> --- a/drivers/gpu/drm/i915/Makefile
> +++ b/drivers/gpu/drm/i915/Makefile
> @@ -3,6 +3,7 @@
>  # Direct Rendering Infrastructure (DRI) in XFree86 4.1.0 and higher.
>  
>  subdir-ccflags-y := -Wno-override-init # used frequently for "inheritance"
> +subdir-ccflags-y += -Wunused-const-variable

My gcc 5.4 doesn't even seem to have this one :(

>  subdir-ccflags-$(CONFIG_DRM_I915_WERROR) += -Werror
>  subdir-ccflags-y += \
>  	$(call as-instr,movntdqa (%eax)$(comma)%xmm0,-DCONFIG_AS_MOVNTDQA)
> -- 
> 2.15.0.rc0
> 
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-- 
Ville Syrjälä
Intel OTC