Emacs as an IDE for large C++ projects

Question

I am a Emacs newbie. I have to trying to search on how to use Emacs for use with large C++ projects particularly to index code and auto-complete function names and behave Eclips

Answer 1

I recommend to watch Atila Neves lightning talk at CppCon 2015 titled Emacs as a C++ IDE.

For for details, see my answer to this related question.