Re: [PATCH] kbuild: clang: disable unused variable warnings only when constant

From: Masahiro Yamada
Date: Tue Feb 06 2018 - 19:23:39 EST


2018-02-07 8:46 GMT+09:00 Prasad Sodagudi <psodagud@xxxxxxxxxxxxxx>:
> Currently, GCC disables -Wunused-const-variable, but not
> -Wunused-variable, so warns unused variables if they are
> non-constant.
>
> While, Clang does not warn unused variables at all regardless of
> the const qualifier because -Wno-unused-const-variable is implied
> by the stronger option -Wno-unused-variable.
>
> Disable -Wunused-const-variable instead of -Wunused-variable so that
> GCC and Clang work in the same way.
>
> Signed-off-by: Prasad Sodagudi <psodagud@xxxxxxxxxxxxxx>
> Reviewed-by: Masahiro Yamada <yamada.masahiro@xxxxxxxxxxxxx>

Applied to linux-kbuild/kbuild. Thanks!


--
Best Regards
Masahiro Yamada