+ifeq ($(cc-name),clang)
+ifneq ($(CROSS_COMPILE),)
+CLANG_FLAGS += --target=$(notdir $(CROSS_COMPILE:%-=%))
+GCC_TOOLCHAIN_DIR := $(dir $(shell which $(CROSS_COMPILE)elfedit))
+CLANG_FLAGS += --prefix=$(GCC_TOOLCHAIN_DIR)
+GCC_TOOLCHAIN := $(realpath $(GCC_TOOLCHAIN_DIR)/..)
+endif
+ifneq ($(GCC_TOOLCHAIN),)
+CLANG_FLAGS += --gcc-toolchain=$(GCC_TOOLCHAIN)
+endif
+CLANG_FLAGS += -no-integrated-as
+CLANG_FLAGS += -Werror=unknown-warning-option
+KBUILD_CFLAGS += $(CLANG_FLAGS)
+KBUILD_AFLAGS += $(CLANG_FLAGS)
+endif
+
+