Description of problem: I get the following error when running 'bundle install'

Using libv8 (3.16.14.1) from https://github.com/cowboyd/libv8.git (at master) 
Gem::Installer::ExtensionBuildError: ERROR: Failed to build gem native extension.

    /usr/bin/ruby extconf.rb 
creating Makefile
/usr/share/ruby/yaml.rb:6:in `<top (required)>':
It seems your ruby installation is missing psych (for YAML output).
To eliminate this warning, please install libyaml and reinstall your ruby.
/usr/share/rubygems/rubygems/core_ext/kernel_require.rb:110:in `require': cannot load such file -- psych.so (LoadError)
	from /usr/share/rubygems/rubygems/core_ext/kernel_require.rb:110:in `rescue in require'
	from /usr/share/rubygems/rubygems/core_ext/kernel_require.rb:35:in `require'
	from /usr/share/gems/gems/psych-2.0.0/lib/psych.rb:1:in `<top (required)>'
	from /usr/share/rubygems/rubygems/core_ext/kernel_require.rb:110:in `require'
	from /usr/share/rubygems/rubygems/core_ext/kernel_require.rb:110:in `rescue in require'
	from /usr/share/rubygems/rubygems/core_ext/kernel_require.rb:35:in `require'
	from /usr/share/ruby/yaml.rb:7:in `<top (required)>'
	from /usr/share/rubygems/rubygems/core_ext/kernel_require.rb:45:in `require'
	from /usr/share/rubygems/rubygems/core_ext/kernel_require.rb:45:in `require'
	from /home/Nick/.gem/ruby/bundler/gems/libv8-6054e0fac780/ext/libv8/location.rb:1:in `<top (required)>'
	from /usr/share/rubygems/rubygems/core_ext/kernel_require.rb:45:in `require'
	from /usr/share/rubygems/rubygems/core_ext/kernel_require.rb:45:in `require'
	from extconf.rb:4:in `<main>'


Gem files will remain installed in /home/Nick/.gem/ruby/bundler/gems/libv8-6054e0fac780 for inspection.
Results logged to /home/Nick/.gem/ruby/bundler/gems/libv8-6054e0fac780/ext/libv8/gem_make.out

An error occurred while installing libv8 (3.16.14.1), and Bundler cannot continue.
Make sure that `gem install libv8 -v '3.16.14.1'` succeeds before bundling.



Version-Release number of selected component (if applicable):
rubygem-bundler-1.3.1-1.fc19.noarch 


How reproducible: always


Steps to Reproduce:
1.cd into rails git repo
2. run 'bundle install'
3.

Actual results: Bundle will fail regardless of pacakges isntalled


Expected results: bundle should complete


Additional info:

I've installed libtool and libyaml and their devel packages. I've also installed rvm and ran: 

rvm pkg install libyaml
rvm reinstall 2.0

and no success

I also tried grabbing the upstream source for libyaml and compiling it locally but that didn't work either.