require_gcc
install_package "ruby-1.8.6-p420" "http://ftp.ruby-lang.org/pub/ruby/1.8/ruby-1.8.6-p420.tar.gz#ca1eee44f842e93b5098bc5a2bb9a40b"
install_package "rubygems-1.3.7" "http://production.cf.rubygems.org/rubygems/rubygems-1.3.7.tgz#e85cfadd025ff6ab689375adbf344bbe" ruby