Missing required packages: autoconf, automake, libtool, pkg-config, libyaml, readline, libxml2, libxslt, libksba, openssl, sqlite. RVM autolibs is now configured with mode '2' => 'check and stop if missing', please run `rvm autolibs enable` to let RVMdo it's job or run and read `rvm autolibs [help]` or visit https://rvm.io/rvm/autolibs for more information. There were package installation errors, make sure to read the log. Check Homebrew requirements https://github.com/mxcl/homebrew/wiki/Installation