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# : 注释
显示规则:
目标文件:依赖文件
[TAB]指令
例子:
hello:hello.o (目标文件:依赖文件)
gcc -c hello.o -o hello (TAB+命令)
目标文件要置于最前面,例如:
run : a + b
a : ---
b : ---
make run
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