Hi everybody,
I recently (inconclusively) discussed on the mingw-w64 mailing list why
are compiled modules linked to msvcrt90 (depending on python build)
rather than to msvcrt. A compiled module was crashing (the DLL would not
load with "invalid access to memory and such") with msvcr90, while it
works just fine with msvcrt.
My understanding (based on
http://msdn.microsoft.com/en-us/library/abx4dbyh.aspx,
http://msdn.microsoft.com/en-us/library/ms235460.aspx and my
aforementioned experience) is that loading two MSVC runtimes at the
same time is asking for trouble. Dependency Walker shows me that
python27.dll itself is linking against msvcrt.dll, but
distutils.cygwincompiler will link against msvcrt90 nevertheless. This
means both end up loaded.
OTOH I suppose there is a good reason why msvc version detection exists,
but I am just ignorant of it and would like to ask here.
Cheers, Vaclav
<http://msdn.microsoft.com/en-us/library/ms235460.aspx>
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