a while ago I had generator to build eclipse CDT projects from CMAKE.
I had forgotten it also works with this lorawan device project.
If you want to use STM32CubeIDE to build this lorawan end-device, you can use https://github.com/dudmuck/cmake_ide_generator to use the ST cube IDE. And perhaps later another IDE if needed. It works because CMAKE generates json, which can then be converted to XML for eclipse.