Problem

Vim complaints as below when you use YouCompleteMe plugin but the vim built without python module:

YouCompleteMe unavailable: requires Vim compiled with Python 2.x support

Howto

#!/bin/bash

cd ~
git clone https://github.com/vim/vim.git
cd vim

./configure --with-features=huge \
            --enable-multibyte \
            --enable-rubyinterp \
            --enable-pythoninterp \
            --with-python-config-dir=/usr/lib/python2.7/config \
            --enable-perlinterp \
            --enable-luainterp \
            --enable-gui=gtk2 --enable-cscope --prefix=/usr

make
sudo make install

sudo update-alternatives --install /usr/bin/editor editor /usr/bin/vim 1
sudo update-alternatives --set editor /usr/bin/vim
sudo update-alternatives --install /usr/bin/vi vi /usr/bin/vim 1
sudo update-alternatives --set vi /usr/bin/vim