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

From: Michal Marek
Date: Tue Aug 05 2014 - 09:42:52 EST


On 2014-08-01 06:08, behanw@xxxxxxxxxxxxxxxxxx wrote:
> From: Behan Webster <behanw@xxxxxxxxxxxxxxxxxx>
>
> 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@xxxxxxxxxxxxxxxxxx>
> Signed-off-by: Jan-Simon MÃller <dl9pf@xxxxxx>
> Signed-off-by: Mark Charlebois <charlebm@xxxxxxxxx>
> Cc: mmarek@xxxxxxx
> Cc: bp@xxxxxxxxx
> ---
> 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

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/