Question: how to build mxnet from source?
Answer: Build the MXNet shared library, libmxnet.so . Clone the repository. Prerequisites. Math library selection. ... 
Install the language API binding(s) you would like to use for MXNet. MXNet's newest and most popular API is Gluon. Gluon is built into the Python binding. If Python isn't your preference, you still have more options.