Use cc-options call for compiler options which are not available in clang. With this patch an ARMv7 multi platform kernel can be successfully build using clang (tested with version 5.0.1).
Based-on-patches-by: Behan Webster <beh...@converseincode.com> Signed-off-by: Stefan Agner <ste...@agner.ch> --- arch/arm/Makefile | 2 +- arch/arm/boot/compressed/Makefile | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/arm/Makefile b/arch/arm/Makefile index e9e3fde3c657..20e9fee1ccc5 100644 --- a/arch/arm/Makefile +++ b/arch/arm/Makefile @@ -39,7 +39,7 @@ KBUILD_CFLAGS += $(call cc-option,-mno-unaligned-access) endif ifeq ($(CONFIG_FRAME_POINTER),y) -KBUILD_CFLAGS +=-fno-omit-frame-pointer -mapcs -mno-sched-prolog +KBUILD_CFLAGS +=-fno-omit-frame-pointer $(call cc-option,-mapcs,) $(call cc-option,-mno-sched-prolog,) endif ifeq ($(CONFIG_CPU_BIG_ENDIAN),y) diff --git a/arch/arm/boot/compressed/Makefile b/arch/arm/boot/compressed/Makefile index 45a6b9b7af2a..6a5c4ac97703 100644 --- a/arch/arm/boot/compressed/Makefile +++ b/arch/arm/boot/compressed/Makefile @@ -113,7 +113,7 @@ CFLAGS_fdt_ro.o := $(nossp_flags) CFLAGS_fdt_rw.o := $(nossp_flags) CFLAGS_fdt_wip.o := $(nossp_flags) -ccflags-y := -fpic -mno-single-pic-base -fno-builtin -I$(obj) +ccflags-y := -fpic $(call cc-option,-mno-single-pic-base,) -fno-builtin -I$(obj) asflags-y := -DZIMAGE # Supply kernel BSS size to the decompressor via a linker symbol. -- 2.16.2
