Make the pytorch's cmake minimum required version equal to caffe2's. (#16506)
Summary:
Stack:
:black_circle: **#16506 Make the pytorch's cmake minimum required version equal to caffe2's.** [:yellow_heart:](https://our.intern.facebook.com/intern/diff/D13861564/)
Originally authored by JerryShih <bignose1007@gmail.com>
Pull Request resolved: https://github.com/pytorch/pytorch/pull/16506
Differential Revision: D13863979
Pulled By: ezyang
fbshipit-source-id: 9275739a820ae03ec6eaa41959f9340c9bba8de3
