[C++-SIG] Python calling C++ issues

[Paul F. Dubois]

O
> 
> Rant aside, what compiler is going to support different datatype sizes
> for stuff declared extern "C" than for native C++ types?  Get real.
> 
> --Guido van Rossum (home page: http://www.python.org/~guido/)
> 
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Gotcha.

IBM, that's who. It was IBM who insisted on the C++ standard specifiying that
a pointer to an extern "C" function and a pointer to a C++ function with the
same signature are type incompatible. Without this provision they claimed they 
could not implement C++ on one of their mainframes. I don't have the article 
in front of me but this point was the subject of a column in the C++ Report
(Aug 99, I think). 

I have some improvements to CXX thanks to Barry Scott but I am going to have to
figure out what this annoying change to the standard means before doing any
more.