4.19-stable review patch. If anyone has any objections, please let me know. ------------------ From: Joel Stanley <joel@xxxxxxxxx> commit 813af51f5d30a2da6a2523c08465f9726e51772e upstream. 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> Tested-by: Daniel Axtens <dja@xxxxxxxxxx> # powerpc 64-bit BE Acked-by: Michael Ellerman <mpe@xxxxxxxxxxxxxx> Reviewed-by: Nick Desaulniers <ndesaulniers@xxxxxxxxxx> Signed-off-by: Masahiro Yamada <yamada.masahiro@xxxxxxxxxxxxx> Signed-off-by: Nathan Chancellor <natechancellor@xxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- arch/powerpc/boot/Makefile | 5 +++++ 1 file changed, 5 insertions(+) --- a/arch/powerpc/boot/Makefile +++ b/arch/powerpc/boot/Makefile @@ -55,6 +55,11 @@ BOOTAFLAGS := -D__ASSEMBLY__ $(BOOTCFLAG BOOTARFLAGS := -cr$(KBUILD_ARFLAGS) +ifdef CONFIG_CC_IS_CLANG +BOOTCFLAGS += $(CLANG_FLAGS) +BOOTAFLAGS += $(CLANG_FLAGS) +endif + ifdef CONFIG_DEBUG_INFO BOOTCFLAGS += -g endif