[SciPy-user] Building Numpy with Visual Studio?

Coatimundi coatimundi at cox.net
Tue Oct 3 09:03:00 CDT 2006

Robert Kern wrote:
> Coatimundi wrote:
>> As I read the build guidelines for Numpy at 
>> www.scipy.org/Installing_SciPy/Windows I see that the instructions 
>> suggest that Numpy can be built with the MSVC tools against an ATLAS lib 
>> built with Cygwin tools.
>> At this point I am perplexed.  I thought that Cygwin used ELF and that 
>> Windows used COFF (actually PE) for static libs.
>> So it is not obvious to me why setup.py should be able to build with the 
>>   MSVC tools if the atlas and lapack libs are built with Cygwin tools.
>> Maybe the Microsoft linker understands both ELF and COFF?
>> Or maybe Cygwin actually uses PE?
> The latter.

Thanks.  I scoured the Cygwin site and finally found a strong clue to 
this in the Cygwin entry at wikipedia: 

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