Emacs as a C/C++ Editor/IDE (Part 4): Installing irony mode for true context sensitive intellisense .emacs file is available at: http://barisyuksel.com/cppmode/.emacs_irony or you can pull/clone it from github: https://github.com/byuksel/Emacs-as-a-C-Cplusplus-Editor-IDE-settings-with-irony The demo project is available at: https://github.com/byuksel/Cpp-Demo-Project-For-Emacs Episode 2 is available at: https://www.youtube.com/watch?v=r_HW0EB67eY