On Fri, Aug 11, 2023 at 04:03:19PM +0200, Arnd Bergmann wrote:
> From: Arnd Bergmann <arnd@xxxxxxxx>
>
> clang ignores the -fno-inline-functions-called-once option, but warns
> when building with -Wignored-optimization-argument enabled:
>
> clang: error: optimization flag '-fno-inline-functions-called-once' is not supported [-Werror,-Wignored-optimization-argument]
>
> Move it back to using cc-option for this one.
>
> Fixes: 7d73c3e9c514 ("Makefile: remove stale cc-option checks")
> Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>
How can this even be hit with clang, as CONFIG_DEBUG_SECTION_MISMATCH
was changed to depend on GCC in the same commit?
> ---
> Makefile | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/Makefile b/Makefile
> index bf5a6100cf66e..991c02f8e9ac0 100644
> --- a/Makefile
> +++ b/Makefile
> @@ -967,7 +967,7 @@ endif
>
> # We trigger additional mismatches with less inlining
> ifdef CONFIG_DEBUG_SECTION_MISMATCH
> -KBUILD_CFLAGS += -fno-inline-functions-called-once
> +KBUILD_CFLAGS += $(call cc-option,-fno-inline-functions-called-once)
> endif
>
> # `rustc`'s `-Zfunction-sections` applies to data too (as of 1.59.0).
> --
> 2.39.2
>
