Re: [PATCH v3] kbuild, LLVMLinux: Supress warnings unless W=1-3

Michal Marek
2014-08-05T13:42:46Z

On 2014-08-01 06:08, behanw@converseincode.com wrote:
> From: Behan Webster <behanw@converseincode.com>
>
> clang has more warnings enabled by default. Turn them off unless W is set.
> This patch fixes a logic bug where warnings in clang were disabled when W was set.
>
> Signed-off-by: Behan Webster <behanw@converseincode.com>
> Signed-off-by: Jan-Simon Möller <dl9pf@gmx.de>
> Signed-off-by: Mark Charlebois <charlebm@gmail.com>
> Cc: mmarek@suse.cz
> Cc: bp@alien8.de
> ---
> Makefile | 1 +
> scripts/Makefile.extrawarn | 22 ++++++++++++----------
> 2 files changed, 13 insertions(+), 10 deletions(-)

OK, this looks better, I applied the patch to kbuild.git#kbuild.

> +KBUILD_CFLAGS += $(call cc-disable-warning, unknown-warning-option)

Do we have -W... options in the Makefiles that clang does not understand
and that are added unconditionally?

Thanks,
Michal