makefile中把生成的文件放到指定的目录

2015/04/27 46396

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vpath %.S src/arm
vpath %.c src
vpath %.c src/init
 
OBJ_PATH = obj
BIN_PATH = bin
SRC_PATH :=src/arm src/init src
SRC= $(foreach x,$(SRC_PATH),$(wildcard $(addprefix $(x)/*,.c .S)))
#OBJ= $(addsuffix .o, $(notdir $(basename $(SRC))))
OBJ = $(addprefix $(OBJ_PATH)/, $(addsuffix .o,$(notdir $(basename $(SRC)))))
ELF=obj/irq_elf
TARGET = irq.bin
 
$(BIN_PATH)/$(TARGET):$(OBJ)
    @echo '+++++++++++Make echo: build $(TARGET)'
    arm-linux-ld -Ttext 0x00000000 $(OBJ) -o $(ELF)
    arm-linux-objdump -D -m arm $(ELF) > $(OBJ_PATH)/irq.dis
    arm-linux-objcopy -O binary -S $(ELF) $@
 
$(OBJ_PATH)/%.o:%.c
    arm-linux-gcc -Wall -O2 -c -o $@ $<
     
$(OBJ_PATH)/%.o:%.S
    arm-linux-gcc -Wall -O2 -c -o $@ $<
 
 
.PHONY:clean
clean:
    rm -f $(BIN_PATH)/*  $(OBJ_PATH)/*