Installing ruby 2.0.0-p247 on OS X with un-broken readline

gistfile1.md

1. Install OpenSSL via homebrew, if you haven't already. Without this, ruby install will fail trying to compile openssl.

   brew install openssl
   

2. Install readline via homebrew, if you haven't already. This allows irb to support multi-line characters correctly in.

   brew install readline
   

3. Install rbenv and ruby-build, if you haven't already

   brew install rbenv
   brew install ruby-build
   

4. Compile Ruby with the homebrew-installed openssl and readline

   CONFIGURE_OPTS="--with-openssl-dir=`brew --prefix openssl` --with-readline-dir=`brew --prefix readline`" rbenv install 2.0.0-p247
   

   Wait a while...

5. Set rbenv version to the newly installed 2.0.0-p247

   rbenv global 2.0.0-p247
   

6. Check it works

   $ irb
   irb(main):001:0> foo = "あいうえお"
   => "あいうえお"
   irb(main):002:0>
   

Yay!