[Python-Dev] Linking with mscvrt

Neil Hodgson nyamatongwe at gmail.com
Thu Feb 9 08:29:39 CET 2006

Martin v. Löwis:

> I don't think this would be good enough. I then also need a way to
> provide extension authors with an API that looks like the CRT, but
> isn't: they cannot realistically change all their code to use the
> wrapped objects. In a recent case, somebody tried to passed a FILE*
> to a postrgres DLL linked with a different CRT; he shouldn't need
> to change the entire postgres code to use the modified API.

   The postgres example is strange to me as I'd never consider passing
a FILE* over a DLL boundary. Maybe this is a Unix/Windows cultural
thing due to such practices being more dangerous on Windows.

> Also, there is still the redistribution issue: to redistribute
> msvcr71.dll, you need to own a MSVC license. People that want to
> use py2exe (or some such) are in trouble: they need to distribute
> both python25.dll, and msvcr71.dll. They are allowed to distribute
> the former, but (formally) not allowed to distribute the latter.

   Link statically.


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