How to fix libv8 error from Gemfile on Mavericks?

Question

When I run bundle install I get

An error occurred while installing libv8 (3.11.8.17), and Bundler cannot continue.
Make sure that `gem install libv8         


        

Answer 1

You need to reinstall libv8

$ gem uninstall libv8
$ brew install v8
$ gem install therubyracer