None None
None None None None None
None
None None None None
None None None
None None None None None None
None None None None None None None None None
None None None None None None None None
None None None None None None None None None None
None None None None None None None
None None None None None None None None None None None
None None None None None None None None None None None None None None
None None None None None None None None None None None None
None None None None None None None None None None None None None
Failed to build gem native extension.
apt-get
sudo apt-get install make ruby ruby-dev ruby1.9.1-dev