@buzz Ahhh...Thanks for the clarification. I was using the definitions as switches (i.e. sudo RetroPie-Setup/retropie_packages.sh build retropie-manager

Definitions: depends: install the dependencies for the module sources: install the sources for the module build: build/compile the module install: install the compiled module configure: configure the installed module (es_systems.cfg / launch parameters etc) clean: remove the sources/build folder for the module help: get additional help on the module