Re: [PATCH v2 2/2] powerpc/boot: Set target when cross-compiling for clang

From: Michael Ellerman
Date: Mon Nov 12 2018 - 06:14:14 EST


Joel Stanley <joel@xxxxxxxxx> writes:

> Clang needs to be told which target it is building for when cross
> compiling.
>
> Link: https://github.com/ClangBuiltLinux/linux/issues/259
> Signed-off-by: Joel Stanley <joel@xxxxxxxxx>
> ---
> arch/powerpc/boot/Makefile | 5 +++++
> 1 file changed, 5 insertions(+)

Acked-by: Michael Ellerman <mpe@xxxxxxxxxxxxxx>

cheers

> diff --git a/arch/powerpc/boot/Makefile b/arch/powerpc/boot/Makefile
> index 39354365f54a..111f97b1ccec 100644
> --- a/arch/powerpc/boot/Makefile
> +++ b/arch/powerpc/boot/Makefile
> @@ -55,6 +55,11 @@ BOOTAFLAGS := -D__ASSEMBLY__ $(BOOTCFLAGS) -traditional -nostdinc
>
> BOOTARFLAGS := -cr$(KBUILD_ARFLAGS)
>
> +ifdef CONFIG_CC_IS_CLANG
> +BOOTCFLAGS += $(CLANG_FLAGS)
> +BOOTAFLAGS += $(CLANG_FLAGS)
> +endif
> +
> ifdef CONFIG_DEBUG_INFO
> BOOTCFLAGS += -g
> endif
> --
> 2.19.1