installation on RHEL4

from src/_gtkagg.cpp:1: /usr/include/features.h:150:1:

    > warning: this is the location of the previous definition
    > In file included from src/_gtkagg.cpp:10:
    > /usr/include/pygtk-2.0/pygobject.h:140: error: expected
    > `,' or `...' before "typename"

Hey Darren,

Looks like this old favorite:

  http://matplotlib.sourceforge.net/faq.html#PYGTK24

JDH