[Distutils] setuptools special case Pyrex and break Cython

[Phillip J. Eby]

At 06:51 PM 9/3/2007 +0200, Stefan Behnel wrote:
>I still prefer the "only fiddle with extensions if build_ext wasn't replaced"
>way, though.

If build_ext wasn't replaced where and how?  Do you mean in the 
"cmdclass" argument to setup()?  In an entry point?  What?