BUILDING MATPLOTLIB
            matplotlib: 1.2.x
                python: 2.7.2 (default, Feb  1 2012, 22:59:26)  [GCC 4.2.1
                        Compatible Apple Clang 3.0
                        (tags/Apple/clang-211.12)]
              platform: darwin

REQUIRED DEPENDENCIES
                 numpy: 1.6.1
             freetype2: 14.0.8

OPTIONAL BACKEND DEPENDENCIES
                libpng: 1.4.9
               Tkinter: no
                        * TKAgg requires Tkinter
                  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: matplotlib will provide
                  pytz: matplotlib will provide
adding pytz

OPTIONAL USETEX DEPENDENCIES
                dvipng: no
           ghostscript: /bin/sh: gs: command not found
                 latex: no