tree 438e95585327ade188d9bbaa847fa74cd77dfbdf
parent 1fc7722ded4708880a5aea49f2bfafb9336f0c8d
author Tom Hu <tomhu1096@gmail.com> 1608559503 -0500
committer Tom Hu <tomhu1096@gmail.com> 1608559503 -0500

Actually have a makefile