Mac OS 10.7.5 have problems when install zbar
<p>I have use command <code>"sudo easy_install zbar"</code> but there are some errors showing:</p>

<blockquote>
  <p>lipo: can't open input file: /var/tmp//ccRtiEWJ.out (No such file or
  directory) error: Setup script exited with error: command
  'llvm-gcc-4.2' failed with exit status 1</p>
</blockquote>

<p>I have installed Xcode 4.6.2 and have installed Command Line Tool</p>
