在xshell中编译make后显示make: *** No targets specified and no makefile found. Stop.

在xshell里运行tracmass，修改代码后make显示make: *** No targets specified and no makefile found. Stop.是什么原因呢

make: *** No targets specified and no makefile found. Stop.错误解决办法_c少少的博客-CSDN博客