For https://valloric.github.io/YouCompleteMe/ you will need (on Fedora) to:

  1. cd .vim/bundle
  2. git clone https://github.com/Valloric/YouCompleteMe
  3. cd YouCompleteMe
  4. git submodule update –init –recursive
  5. sudo yum install cmake gcc-c++ python-libs python-devel
  6. ./install.sh

By karlo