On Fri, Mar 07, 2025 at 08:29:25PM -0800, Kees Cook wrote:
> The use of -ffreestanding is a leftover that is only needed for certain
> versions of Clang. Adjust this to be Clang-only. A later patch will make
> this a versioned check.
> 
> Signed-off-by: Kees Cook <k...@kernel.org>

This could also adjust the comment but it is probably not that big of a
deal since the "temporary" is already pretty stale.

Reviewed-by: Nathan Chancellor <nat...@kernel.org>

> ---
> Cc: Nathan Chancellor <nat...@kernel.org>
> Cc: Nick Desaulniers <nick.desaulniers+l...@gmail.com>
> Cc: Thomas Gleixner <t...@linutronix.de>
> Cc: Ingo Molnar <mi...@redhat.com>
> Cc: Borislav Petkov <b...@alien8.de>
> Cc: Dave Hansen <dave.han...@linux.intel.com>
> Cc: x...@kernel.org
> Cc: "H. Peter Anvin" <h...@zytor.com>
> ---
>  arch/x86/Makefile | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/arch/x86/Makefile b/arch/x86/Makefile
> index 5b773b34768d..d25ed25fb7d9 100644
> --- a/arch/x86/Makefile
> +++ b/arch/x86/Makefile
> @@ -137,8 +137,10 @@ ifeq ($(CONFIG_X86_32),y)
>          include $(srctree)/arch/x86/Makefile_32.cpu
>          KBUILD_CFLAGS += $(cflags-y)
>  
> +    ifeq ($(CONFIG_CC_IS_CLANG),y)
>          # temporary until string.h is fixed
>          KBUILD_CFLAGS += -ffreestanding
> +    endif
>  
>      ifeq ($(CONFIG_STACKPROTECTOR),y)
>          ifeq ($(CONFIG_SMP),y)
> -- 
> 2.34.1
> 

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