Problems compiling matplotlib under OS X

The easiest way to describe this is to repeat the info

    > that's been posted into the "macpython" mailing
    > list--sorry if you've already seen it. According to one
    > of the people who helped me on the macpython list, the
    > problem I'm having is likely caused by matplotlib using a
    > custom method of finding Tcl/Tk headers, rather than by a
    > Python/OS X interaction problem, which is why I'm
    > bringing the topic over to this list.

The file I attached in my last email had an error in it. It would
probably work for darwin, but fail for linux. Here is the correct