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
CPU_SRC_C	= $(wildcard $(CPU)/*.c)
CPU_OBJ		= $(CPU_SRC_C:.c=.o) $(CPU)/context.o

all: $(KERNEL_ROOT)/lib/libcpu_$(CPU).a $(KERNEL_ROOT)/lib/start_$(CPU).o

$(KERNEL_ROOT)/lib/libcpu_$(CPU).a: $(CPU_OBJ) $(COMMON_OBJ)
	$(AR) r $(KERNEL_ROOT)/lib/libcpu_$(CPU).a $?
	$(RANLIB) $(KERNEL_ROOT)/lib/libcpu_$(CPU).a

$(COMMON_OBJ):
	make -C common

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

$(KERNEL_ROOT)/lib/start_$(CPU).o:
	make -C $(CPU) start.o

clean:
	rm -f *.a
	make -C common clean
	make -C $(CPU) clean