Cannot build the Cython modules

Why I cannot build the Cython modules, just like the following. Thank you.

Last login: Tue Mar 13 02:27:27 on ttys000 shandeMacBook-Air:~ shan$ /Users/shan/FRCN/lib -bash: /Users/shan/FRCN/lib: is a directory shandeMacBook-Air:~ shan$ make make: *** No targets specified and no makefile found. Stop.