[Distutils] MSVC CRT woes

[M.-A. Lemburg]

Moore, Paul wrote:
> From: Mark Hammond
> 
>>>Does the move to VC7 mean that we'll break this strategy with
>>>Python 2.4 distutils ?
> 
> 
>>Yes, unless we do as outlined in my mail.
> 
> 
> I may be misunderstanding what is being discussed here, but I believe that with
> the move to VC7, you will need the following to build extensions compatible with
> both Python 2.3 and 2.4:
> 
> 1. Installed copies of both Python 2.3 and 2.4.
> 2. EITHER MSVC 6 and 7 (both versions) OR mingw
> 
> But I am probably missing something, as once you have the 2 versions of Python
> installed, I don't see the value in using a single shared distutils, rather than
> the one that comes with each Python.

The latter would mean having to support 3-4 different distutils
versions in your setup code. We already support 3-4 different Python
versions (at Python and C level) and would like, if at all possible,
to continue building all packages with one distutils version - the
one in CVS which is the most up-to-date.

That said, I think that including two wininst versions, one
compiled with VC6, the other with VC7, would solve this problem
nicely. You'd still have to have VC6/7 for compiling C extensions,
but at least generating pure Python distutils wininst packages
would remain possible.

-- 
Marc-Andre Lemburg
eGenix.com

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