[Distutils] distutils.util.get_platform() for Windows

[Phillip J. Eby]

At 09:13 AM 7/19/2007 +1000, Mark Hammond wrote:
>Its not clear from your reply, but do you believe that all architectures
>having identical filenames is a problem?  If so, how do you think we should
>approach it?

Mostly, I'm just interested in understanding how to update 
setuptools' platform API functions:

http://peak.telecommunity.com/DevCenter/PkgResources#platform-utilities

In particular, the difference here between the supported platform vs. 
build platform, and how to tell whether two platform strings are compatible.

Setuptools uses these functions to know what eggs will work on the 
current system, as well as what filenames to build eggs with.