[igt-dev] [PATCH i-g-t] meson: add -Wno-missing-braces

Jani Nikula jani.nikula at linux.intel.com
Wed Mar 20 09:38:26 UTC 2019


On Wed, 20 Mar 2019, "Ser, Simon" <simon.ser at intel.com> wrote:
> Enabling -Werror=missing-braces results in this error with Clang:
>
>     ../tests/kms_vrr.c:203:20: error: suggest braces around
> initialization of subobject [-Werror,-Wmissing-braces]
>             drmVBlank vbl = { 0 };
>                               ^
>                               {}
>
> I don't believe there is any value in keeping this, so let's just
> disable it.

I fail to come up with examples right now, but I think there are
legitimate cases for the warning.

Arguably the above initializer should be written as simply {} instead of
having the 0 value for initializing the first member which happens to be
a substruct.

BR,
Jani.


>
> Signed-off-by: Simon Ser <simon.ser at intel.com>
> ---
>  meson.build | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> diff --git a/meson.build b/meson.build
> index 557400a5..bb100b75 100644
> --- a/meson.build
> +++ b/meson.build
> @@ -38,6 +38,7 @@ cc_args = [
>  	'-Wno-type-limits',
>  	'-Wno-unused-parameter',
>  	'-Wno-unused-result',
> +	'-Wno-missing-braces',
>  	'-Werror=address',
>  	'-Werror=array-bounds',
> @@ -45,7 +46,6 @@ cc_args = [
>  	'-Werror=init-self',
>  	'-Werror=int-to-pointer-cast',
>  	'-Werror=main',
> -	'-Werror=missing-braces',
>  	'-Werror=nonnull',
>  	'-Werror=pointer-to-int-cast',
>  	'-Werror=return-type',

-- 
Jani Nikula, Intel Open Source Graphics Center


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