Re: unused-variable warning is getting disabled with clang

From: Greg Kroah-Hartman
Date: Thu Dec 07 2017 - 01:26:01 EST


On Wed, Dec 06, 2017 at 01:24:51PM -0800, Sodagudi Prasad wrote:
>
> Hi All,
>
> When kernel compiled with clang, following line is disabling the
> unused-variable warning. This is not the case with gcc.
> KBUILD_CFLAGS += $(call cc-disable-warning, unused-variable)
>
> Are there any specific reasons for disabling unused-variable with clang?

Try it and see why it is disabled :)