对make一点不懂，帮解释一下。谢谢

oldbegger

CROSS = /opt/host/armv4l/bin/armv4l-unknown-linux-
CC = $(CROSS)gcc
AR = $(CROSS)ar
STRIP = $(CROSS)strip
#LDFLAGS += --static
LIBGCC += -lm

EXEC = gui
OBJS = graphic.o gui.o

all: $(EXEC)

$(EXEC): $(OBJS)
        $(CC) $(LDFLAGS) -o $@ $(OBJS) $(LIBM) $(LDLIBS) $(LIBGCC)
       
#-lm

romfs:
        $(ROMFSINST) /bin/$(EXEC)

clean:
        -rm -f $(EXEC) *.elf *.gdb *.o

postbeerliu

CROSS = /opt/host/armv4l/bin/armv4l-unknown-linux-
CC = $(CROSS)gcc
AR = $(CROSS)ar
STRIP = $(CROSS)strip
#LDFLAGS += --static
LIBGCC += -lm

EXEC = gui
OBJS = graphic.o gui.o
这些都相当于变量定义，这个ｍａｋｅｆｉｌｅ的要点就是
目标文件 gui 依赖于 graphic.o gui.o ，$@代表目标$(EXEC),这样结果就是：
/opt/host/armv4l/bin/armv4l-unknown-linux- gcc 　--static 　-o gui 　graphic.o gui.o  -lm


graphic.o gui.o 应该是由对应的.Ｃ生成