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Created February 25, 2013 21:48
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install_ruby_20_on_osx.md

How to install Ruby 2.0.0-p0 on Mac OSX 10.7+

RVM:

rvm get stable && rvm reload

Firstly, the OpenSSL comes with your OSX 10.7+ is outdated, you need to get latest version

rvm pkg install openssl

Secondly, the readline library on OSX 10.7+ suffers UTF-8 issue in which method in UTF-8 is converted to characters under irb, the fix is to use latest version

rvm pkg install readline

And you can install Ruby 2.0.0-p0 with:

rvm reinstall 2.0.0 --with-readline-dir=$rvm_path/usr --with-openssl-dir=$rvm_path/usr

Please note that clang-425.0.24 that comes with Xcode successfully compile the source, should you bump into any compilation issue, you could try compiling it with gcc-422

rbenv

Make sure your ruby-build is up-to-date:

cd ~/.rbenv/plugins/ruby-build && git pull

rbenv does not fetch fixed readline lib or openssl, thus you are required to install them manually with brew:

brew update
brew install readline openssl
env RUBY_CONFIGURE_OPTS=--with-openssl-dir=`brew --prefix openssl` CONFIGURE_OPTS=--with-readline-dir=`brew --prefix readline` rbenv install 2.0.0-p0
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