Re: [PATCH] init/Kconfig: make CC_OPTIMIZE_FOR_DEBUGGING visible only for GCC

From: Masahiro Yamada
Date: Fri Nov 09 2018 - 10:03:58 EST


On Tue, Nov 6, 2018 at 12:18 AM Changbin Du <changbin.du@xxxxxxxxx> wrote:
>
> Currently CC_OPTIMIZE_FOR_DEBUGGING is only able to build with GCC.
> For clang, -Og optimization level could break kernel build. So make
> CC_OPTIMIZE_FOR_DEBUGGING visible only for GCC.
>
> Cc: Masahiro Yamada <yamada.masahiro@xxxxxxxxxxxxx>
> Signed-off-by: Changbin Du <changbin.du@xxxxxxxxx>
> ---

I squashed this into the previous patch in the kbuild tree.

Thanks!


> init/Kconfig | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/init/Kconfig b/init/Kconfig
> index 0fb9c0b5f1a1..d5fb0ee1400a 100644
> --- a/init/Kconfig
> +++ b/init/Kconfig
> @@ -1107,6 +1107,7 @@ config CC_OPTIMIZE_FOR_SIZE
>
> config CC_OPTIMIZE_FOR_DEBUGGING
> bool "Optimize for better debugging experience (-Og)"
> + depends on CC_IS_GCC
> depends on $(cc-option,-Og)
> select NO_AUTO_INLINE
> help
> --
> 2.17.1
>


--
Best Regards
Masahiro Yamada