参考 <<如何快速正确的安装 Ruby, Rails 运行环境>>搭建 rails 环境，当执行 rvm pkg install readline 这条命令时，出现了下面的错误：
Fetching readline-5.2.tar.gz to /usr/local/rvm/archives Extracting readline-5.2.tar.gz to /usr/local/rvm/src Applying patch '/usr/local/rvm/patches/readline-5.2/shobj-conf.patch'... Prepare readline in /usr/local/rvm/src/readline-5.2. Error running 'autoreconf -is --force', please read /usr/local/rvm/log/readline/autoreconf.log Configuring readline in /usr/local/rvm/src/readline-5.2. Compiling readline in /usr/local/rvm/src/readline-5.2. Installing readline to /usr/local/rvm/usr Fetching readline-6.2.tar.gz to /usr/local/rvm/archives Extracting readline-6.2.tar.gz to /usr/local/rvm/src Applying patch '/usr/local/rvm/patches/readline-6.2/patch-shobj-conf.diff'... Prepare readline in /usr/local/rvm/src/readline-6.2. Error running 'autoreconf -is --force', please read /usr/local/rvm/log/readline/autoreconf.log Configuring readline in /usr/local/rvm/src/readline-6.2. Compiling readline in /usr/local/rvm/src/readline-6.2. Installing readline to /usr/local/rvm/usr
求高人指点！！！非常感谢。。。。。。
不管，先装 rails，完了后 gem install rb-readline
在.bashrc 文件最后加入：
PATH=$PATH:$HOME/.rvm/bin # Add RVM to PATH for scripting
[[ -s "$HOME/.rvm/scripts/rvm" ]] && . "$HOME/.rvm/scripts/rvm" # This loads RVM into a shell session.
保存后 source ~/.bashrc 让它生效
@tomwey $ rvm requirements 对你会有帮助的，这其实不算错误吧，是 ubuntu 的 readline 和 ruby 的冲突了，会导致 rails console 不能运转（其他正常），$ rvm requirements 按照提示安装依赖应该是没有问题的，另外 wiki 里关于环境搭配的帖子实际上也讨论过这个问题
如何快速搭配 rails 环境
可能需要 sudo apt-get remove autoconf; sudo apt-get purge autoconf 然后 rvm pkg install readline
楼上的方法可行，补充遇到in require: cannot load such file -- readline (LoadError)的问题是的解决方法：
sudo apt-get install libreadline-dev
rvm reinstall 1.9.3