Archived as a better method has been figured out and is apart of ps4-module-loader now

This is a helper plugin intended for ps4-module-loader

You'll need to set IDASDK in environment variables before running these commands and clone ida-cmake into the idasdk folder. This is for IDA 9.0 specifically, you might have to adapt these commands for older versions.

cmake -B build -DEA64=1 -DCMAKE_BUILD_TYPE=RelWithDebInfo  .
cmake --build .

allthingsida for the base plugin to add functions to IDAPython API via C++.