Upgrading to OSX Mountain Lion:

• Download and install the Mountain Lion Command Line Tools
• Download and install the https://github.com/kennethreitz/osx-gcc-installer/downloads/ CLI tools for gcc (no
• Download and install XQuartz

Run:

1brew update
2brew link autoconf # optional, not always needed
3brew install automake # optional, not always needed
4brew upgrade
5rvm reinstall 1.9.3 --patch falcon