title: Matplotlib install failure on Mac OSX 10.8 Mountain Lion
body: <p>I tried to install matplotlib on my MacBook Air, but it always gives me this error message:</p>
  
  <pre><code> Processing matplotlib-1.1.1_notests.tar.gz
   Running matplotlib-1.1.1/setup.py -q bdist_egg --dist-dir /tmp/easy_install-3jFpXK/matplotlib-1.1.1/egg-dist-tmp-jC7QY3
      basedirlist is: []
      ============================================================================
      BUILDING MATPLOTLIB
                  matplotlib: 1.1.1
                      python: 2.7.2 (default, Jun 20 2012, 16:23:33)  [GCC 4.2.1
                              Compatible Apple Clang 4.0
                              (tags/Apple/clang-418.0.60)]
                    platform: darwin
  
      REQUIRED DEPENDENCIES
                       numpy: 1.6.1
                   freetype2: found, but unknown version (no pkg-config)
                              * WARNING: Could not find 'freetype2' headers in any
                              * of '.', './freetype2'.
  
      OPTIONAL BACKEND DEPENDENCIES
                      libpng: found, but unknown version (no pkg-config)
                              * Could not find 'libpng' headers in any of '.'
                     Tkinter: Tkinter: version not identified, Tk: 8.5, Tcl: 8.5
                        Gtk+: no
                              * Building for Gtk+ requires pygtk; you must be able
                              * to "import gtk" in your build/install environment
             Mac OS X native: yes
                          Qt: no
                         Qt4: no
                      PySide: no
                       Cairo: no
  
      OPTIONAL DATE/TIMEZONE DEPENDENCIES
                    datetime: present, version unknown
                    dateutil: 1.5
                        pytz: matplotlib will provide
      adding pytz
  
      OPTIONAL USETEX DEPENDENCIES
                      dvipng: 1.14
                 ghostscript: 9.05
                       latex: 3.1415926
  
      [Edit setup.cfg to suppress the above messages]
  
  
  
  
    pymods ['pylab']
      packages ['matplotlib', 'matplotlib.backends', 'matplotlib.backends.qt4_editor', 'matplotlib.projections', 'matplotlib.testing', 'matplotlib.testing.jpl_units', 'matplotlib.tests', 'mpl_toolkits', 'mpl_toolkits.mplot3d', 'mpl_toolkits.axes_grid', 'mpl_toolkits.axes_grid1', 'mpl_toolkits.axisartist', 'matplotlib.sphinxext', 'matplotlib.tri', 'matplotlib.delaunay', 'pytz']
      warning: no files found matching 'KNOWN_BUGS'
      warning: no files found matching 'INTERACTIVE'
      warning: no files found matching 'MANIFEST'
      warning: no files found matching '__init__.py'
      warning: no files found matching 'examples/data/*'
      warning: no files found matching 'lib/mpl_toolkits'
      warning: no files found matching 'LICENSE*' under directory 'license'
      clang: warning: argument unused during compilation: '-mno-fused-madd'
      In file included from src/ft2font.cpp:3:
      src/ft2font.h:16:10: fatal error: 'ft2build.h' file not found
  
  **#include &lt;ft2build.h&gt;
               ^
      1 error generated.
      error: Setup script exited with error: command 'clang' failed with exit status 1**
  </code></pre>
  
  <p>I tried to install freetype and libpng using homebrew but it doesn't work. How can I get ft2build.h?</p>