Installing rvm on OSX


brew install readline
brew install most
sudo gem install rvm #install rvm
rvm-install
rvm install 1.8.7 -C --enable-shared,--with-readline-dir=/usr/local
rvm install 1.9.1 -C --enable-shared,--with-readline-dir=/usr/local
rvm install 1.9.2 -C --enable-shared,--with-readline-dir=/usr/local
rvm 1.8.7 --default


reference: http://www.blog.bridgeutopiaweb.com/post/how-to-install-rvm-and-rails-3-on-snow-leopard/