[Pyrex] Pyrex patch for C++ support: Was; Please support C++

[Lenard Lindstrom]

Greg has graciously made available a Pyrex patch I wrote to allow 
some Pyrex programs to also compiler under C++. It can be found on 
the Pyrex home page:

http://www.cosc.canterbury.ac.nz/~greg/python/Pyrex/

The patch is preliminary and not proven. But it mostly involves just 
rearranging some support code and adding a few conditional extern "C" 
qualifiers. So it should not prevent any Pyrex program compiling as 
C. I have tried it on much of the  Pyrex test suite and have found no 
problems yet.

The patch should allow the wrapping of C++ api functions and the 
writing of simple extension types. But anything involving extension 
types as lvalues or object attributes will fail to compile as C++.

A far more comprehensive patch is in the works. It covers all the 
problems I could uncover in getting Pyrex programs to compile as C++. 
As a side benefit the patch also covers issues involving GCC 4.0 and 
compiler warning messages. Currently it passes all the tests I have 
given it. I am now reviewing my changes and hope to run more tests.

Lenard Lindstrom
<len-l at telus.net>