title: autoreconf fails - libtoolize
body: <p>Running on mountain lion, I cannot get autoreconf to successfully run.</p>
  
  <p>|ruby-1.9.3-p194| Tylers-MacBook-Pro in ~/Desktop/code/telepathic-critterdrug
  ○ → autoreconf -fi</p>
  
  <p>Can't exec "libtoolize": No such file or directory at /sw/share/autoconf/Autom4te/FileUtils.pm line 345,  line 4.
  autoreconf: failed to run libtoolize: No such file or directory
  autoreconf: libtoolize is needed because this package uses Libtool</p>