makefile

RT-Thread是发展中的下一代微内核嵌入式实时操作系统

KERNEL_ROOT=../..

include $(KERNEL_ROOT)/config.mk

COMMON_OBJ	= common/divsi3.o common/div0.o common/backtrace.o common/showmem.o
CPU_SRC_C	= $(wildcard $(CPU)/*.c)
CPU_SRC_ASM	= $(CPU)/context.S
CPU_OBJ		= $(CPU_SRC_ASM:.S=.o) $(CPU_SRC_C:.c=.o)
LIBCPU		= $(KERNEL_ROOT)/lib/libcpu_$(CPU).a
STARTOBJ	= $(KERNEL_ROOT)/lib/start_$(CPU).o

all: $(LIBCPU) $(STARTOBJ)

$(LIBCPU): $(CPU_OBJ) $(COMMON_OBJ)
	$(AR) r $(LIBCPU) $?
	$(RANLIB) $(LIBCPU)

$(COMMON_OBJ):
	make -C common

$(CPU_OBJ): $(CPU_SRC_C)
	make -C $(CPU)

$(STARTOBJ): $(CPU)/start.S
	make -C $(CPU)

clean:
	rm -f $(LIBCPU)
	make -C common clean
	make -C $(CPU) clean