title: An error occurred while installing libv8 (3.16.14.7), and Bundler cannot continue
body: <p>I'm getting a cyclic error here:</p>
  
  <pre><code>Bundler::GemspecError: Could not read gem at /path/to/website/vendor/cache/ruby/2.1.0/cache/libv8-3.16.14.7-x86_64-darwin-14.gem. It may be corrupted.
  An error occurred while installing libv8 (3.16.14.7), and Bundler cannot continue.
  Make sure that `gem install libv8 -v '3.16.14.7'` succeeds before bundling.
  
  $ gem install libv8 -v '3.16.14.7'
  
  Successfully installed libv8-3.16.14.7-x86_64-darwin-14
  /Users/snowcrash/.rvm/gems/ruby-2.1.5/gems/rdoc-4.0.1/lib/rdoc/markdown.rb:15931: warning: encountered \r in middle of line, treated as a mere space
  Parsing documentation for libv8-3.16.14.7-x86_64-darwin-14
  Done installing documentation for libv8 after 0 seconds
  1 gem installed
  
  $ bundle install --path vendor/cache
  ... many lines here ...
  Using koala (1.10.1) 
  
  Bundler::GemspecError: Could not read gem at /path/to/website/vendor/cache/ruby/2.1.0/cache/libv8-3.16.14.7-x86_64-darwin-14.gem. It may be corrupted.
  An error occurred while installing libv8 (3.16.14.7), and Bundler cannot continue.
  Make sure that `gem install libv8 -v '3.16.14.7'` succeeds before bundling.
  </code></pre>
  
  <p>Any suggestions?</p>
  
  <p>==== UPDATE</p>
  
  <p>I tried deleting all cache data with <code>rm -rf ~/.rvm/gems/ruby-2.1.5/cache/</code> and now <code>bundle install --path vendor/cache</code> gives me:</p>
  
  <pre><code>Bundler::GemspecError: Could not read gem at /path/to/website/vendor/cache/ruby/2.1.0/cache/libv8-3.16.14.7-x86_64-darwin-14.gem. It may be corrupted.
  An error occurred while installing libv8 (3.16.14.7), and Bundler cannot continue.
  Make sure that `gem install libv8 -v '3.16.14.7'` succeeds before bundling.
  </code></pre>