Installing libyaml for ruby on a mac osX (Lion)

Question

I am getting this error message:

\"It seems your ruby installation is missing psych (for YAML output).
To eliminate this warning, please install libyaml and          


        

Answer 1

Installing ruby with rvm for mac osx, use autolibs to install libyaml and first uninstalling libyaml helps.

This worked for me:

brew uninstall libyaml
rvm autolibs enable
rvm reinstall ruby-2.1.1