Install ruby-llvm gem on OS X

ruby-llvm-osx.md

1. Pull the repo and bundle

$ git clone git@github.com:code0100fun/ruby-llvm.git
$ cd ruby-llvm/
$ bundle install

2. Create a symbolic link to llvm-config in your PATH

ln -s /usr/local/Cellar/llvm/3.4/bin/llvm-config /usr/local/bin/llvm-config

3. Build the Ruby LLVM support *.dylib

$ cd ext/ruby-llvm-support/
$ rake
$ cd ../../

4. Build the gem and install it

$ gem build ruby-llvm.gemspec
$ gem install ./ruby-llvm-3.4.0.gem

5. Run the tests to verify it's working

$ rake
...
Finished in 0.175873s, 477.6174 runs/s, 1660.2890 assertions/s.

84 runs, 292 assertions, 0 failures, 0 errors, 0 skips
...