make 时提示 makefile:11: *** missing separator. Stop.

https://stackoverflow.com/questions/10448555/missing-separator-error-in-makefile

问题:
windows 用cl make 时提示 makefile:11: *** missing separator.  Stop.

解决:
"Missing separator" almost always means you have a line that should begin with a tab that instead begins with a space.

[popexizhi：替换后就ok了，嘻嘻tab和4个空格的问题好坑啊，但是自己默认设置时tab=4个空格，这个要在makefile修改啊]