[Numpy-discussion] Compile extension modules with Visual Studio 2005

Robert Kern robert.kern at gmail.com
Tue Jul 24 15:08:10 EDT 2007

Geoffrey Zhu wrote:
> Thanks for your help. Do you know what exactly is the issue of having
> to use VS2003 to build extensions? If the interactions are done at DLL
> level, shouldn't call compilers that can generate DLLs work?

Mostly it's an issue of the C runtime that is used for either compiler. C
extensions need to use the same runtime as Python itself. Mostly.

> It doesn't look like using ctypes would be an option, as my goal is to
> 'vectorize' some operations.

You mean you need to use PyMultiIter objects for broadcasting? Yeah, that would
require an extension.

Robert Kern

"I have come to believe that the whole world is an enigma, a harmless enigma
 that is made terrible by our own mad attempt to interpret it as though it had
 an underlying truth."
  -- Umberto Eco

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