makefile编写系列一

makefile 生成两个可执行文件

# a simple makefile
CC = gcc
CFLAG = -lrdmacm -libverbs
obj1=client.o
obj2=server.o
target1=client
target2=server

all: $(obj1) $(obj2)
    $(CC) -o $(target1) $(obj1) $(CFLAG)
    $(CC) -o $(target2) $(obj2) $(CFLAG)

.PHONY : clean
clean:
    rm -rf $(target1) $(target2) *.o