make ruby debug work in 1.9.3 with bundler

Gemfile

  gem 'ruby-debug19', '0.11.6', :require => 'ruby-debug'
  # FIXME: forcing rdebug to work on 1.9.3
  gem 'linecache19', '0.5.13'
  gem 'ruby-debug-base19', '0.11.26'

instructions.md

Follow the instructions here:

1. install the composite gems as described here: http://blog.wyeworks.com/2011/11/1/ruby-1-9-3-and-ruby-debug
2. add the gist for the gemfile to your gemfile
3. run bundle config build.ruby-debug-base19 --with-ruby-include=/YOUR/PATH/TO/src/ruby-1.9.3-p0
4. bundle install --local

You may want/need to blow away Gemfile.lock to make this work.