4.14-stable review patch. If anyone has any objections, please let me know.
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From: Joel Stanley joel@jms.id.au
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@jms.id.au Tested-by: Daniel Axtens dja@axtens.net # powerpc 64-bit BE Acked-by: Michael Ellerman mpe@ellerman.id.au Reviewed-by: Nick Desaulniers ndesaulniers@google.com Signed-off-by: Masahiro Yamada yamada.masahiro@socionext.com [nc: Use 'ifeq ($(cc-name),clang)' instead of 'ifdef CONFIG_CC_IS_CLANG' because that config does not exist in 4.14; the Kconfig rewrite that added that config happened in 4.18] Signed-off-by: Nathan Chancellor natechancellor@gmail.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- arch/powerpc/boot/Makefile | 5 +++++ 1 file changed, 5 insertions(+)
--- a/arch/powerpc/boot/Makefile +++ b/arch/powerpc/boot/Makefile @@ -49,6 +49,11 @@ endif
BOOTAFLAGS := -D__ASSEMBLY__ $(BOOTCFLAGS) -traditional -nostdinc
+ifeq ($(cc-name),clang) +BOOTCFLAGS += $(CLANG_FLAGS) +BOOTAFLAGS += $(CLANG_FLAGS) +endif + ifdef CONFIG_DEBUG_INFO BOOTCFLAGS += -g endif