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

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Joel Stanley <joel@xxxxxxxxx> writes:

Hi Joel,

Thanks!

Tested-by: Daniel Axtens <dja@xxxxxxxxxx> # powerpc 64-bit BE

This solves one of the 2 issues I have in building for 64-bit BE with
clang. The other is the VDSO32 stuff, and I hope to send a patch for
that soon.

Regards,
Daniel

> 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 | 7 +++++++
>  1 file changed, 7 insertions(+)
>
> diff --git a/arch/powerpc/boot/Makefile b/arch/powerpc/boot/Makefile
> index 39354365f54a..8fdb1890f09a 100644
> --- a/arch/powerpc/boot/Makefile
> +++ b/arch/powerpc/boot/Makefile
> @@ -55,6 +55,13 @@ BOOTAFLAGS	:= -D__ASSEMBLY__ $(BOOTCFLAGS) -traditional -nostdinc
>  
>  BOOTARFLAGS	:= -cr$(KBUILD_ARFLAGS)
>  
> +ifdef CONFIG_CC_IS_CLANG
> +BOOTCFLAGS += $(CLANG_TARGET) $(CLANG_GCC_TC) $(CLANG_PREFIX)
> +BOOTAFLAGS += $(CLANG_TARGET) $(CLANG_GCC_TC) $(CLANG_PREFIX)
> +BOOTCFLAGS += $(call cc-option, -no-integrated-as)
> +BOOTAFLAGS += $(call cc-option, -no-integrated-as)
> +endif
> +
>  ifdef CONFIG_DEBUG_INFO
>  BOOTCFLAGS	+= -g
>  endif
> -- 
> 2.19.1



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