title: rvm cannot install ruby-1.9.3-p484
body: <p>I am trying to update my OctoPress Blog and get the error<br></p>
  
  <p>ruby-1.9.3-p484 is not installed.<br></p>
  
  <p>When I type the command<br></p>
  
  <p>rvm install ruby-1.9.3-p484 I get the erros:<br></p>
  
  <pre><code>Searching for binary rubies, this might take some time.
  No binary rubies available for: osx/10.8/x86_64/ruby-1.9.3-p484.
  Continuing with compilation. Please read 'rvm help mount' to get more information on binary rubies.
  Checking requirements for osx.
  Error: No available formula for gcc46 
  Installing requirements for osx.
  Updating system.........
  Error running 'requirements_osx_brew_update_system ruby-1.9.3-p484',
  please read /Users/stevenbrooks1111/.rvm/log/1386191431_ruby-1.9.3-p484/update_system.log
  Requirements installation failed with status: 1.
  </code></pre>
  
  <p>Not sure what's going on here. I currently have<br></p>
  
  <pre><code>ruby-1.9.3-p429 [ x86_64 ]
  ruby-2.0.0-p195 [ x86_64 ]
  ruby-2.0.0-p353 [ x86_64 ]
  </code></pre>
  
  <p>installed on my computer.</p>