title: Error running bundle install on rails os x 10.7.4 xcode 4.3.2 rvm 1.14.1
body: <p>Trying to get a new rails app up and I can't start the server without bundle installing.  I get this error.  I tried other stacks with no avail.  Thanks in advance for any guidance!</p>
  
  <pre><code>Using coffee-rails (3.1.1) 
  Using columnize (0.3.6) 
  Using country_select (0.0.2) 
  Using daemon_controller (1.0.0) 
  Using database_cleaner (0.7.2) 
  Using multipart-post (1.1.5) 
  Using databasedotcom (1.3.0) 
  Using debugger-ruby_core_source (1.1.2) 
  Installing debugger-linecache (1.1.1) with native extensions 
  Gem::Installer::ExtensionBuildError: ERROR: Failed to build gem native extension.
  
  /System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/bin/ruby extconf.rb 
  *** extconf.rb failed ***
  Could not create Makefile due to some reason, probably lack of
  necessary libraries and/or headers.  Check the mkmf.log file for more
  details.  You may need configuration options.
  
  Provided configuration options:
      --with-opt-dir
      --without-opt-dir
      --with-opt-include
      --without-opt-include=${opt-dir}/include
      --with-opt-lib
      --without-opt-lib=${opt-dir}/lib
      --with-make-prog
      --without-make-prog
      --srcdir=.
      --curdir
      --ruby=/System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/bin/ruby
  extconf.rb:2:in `require': no such file to load -- debugger/ruby_core_source (LoadError)
      from extconf.rb:2
  
  
  Gem files will remain installed in /Users/jahrichie/.bundler/tmp/2264/gems/debugger-linecache-1.1.1 for inspection.
  Results logged to /Users/jahrichie/.bundler/tmp/2264/gems/debugger-linecache-1.1.1/ext/trace_nums/gem_make.out
  An error occured while installing debugger-linecache (1.1.1), and Bundler cannot continue.
  Make sure that `gem install debugger-linecache -v '1.1.1'` succeeds before bundling.
  </code></pre>