1global-incdirs-y += include 2ifeq ($(CFG_UNWIND),y) 3ifeq (arm,$(ARCH)) 4srcs-y += unwind_arm32.c 5endif 6srcs-$(CFG_ARM64_$(sm)) += unwind_arm64.c 7ifeq (riscv,$(ARCH)) 8srcs-y += unwind_riscv.c 9endif 10endif 11