1global-incdirs-y += include 2ifeq ($(CFG_UNWIND),y) 3srcs-y += unwind_arm32.c 4srcs-$(CFG_ARM64_$(sm)) += unwind_arm64.c 5ifneq (,$(filter y,$(CFG_RV32_$(sm)) $(CFG_RV64_$(sm)))) 6srcs-y += unwind_riscv.c 7endif 8endif 9