[Numpy-discussion] mingw-w64 tutorial ?

Christoph Gohlke cgohlke@uci....
Sat Aug 21 16:29:08 CDT 2010



On 8/21/2010 1:44 PM, Sebastian Haase wrote:
> Hi,
>
> this is somewhat OT for this list, but since I know that David and
> many others here have lot's of experience compiling C extensions I
> thought I could just ask:
> Looking at
> http://sourceforge.net/projects/mingw-w64/files/
> I did not know (even after reading the FAQ) which file to download and
> how things would eventually work.
>
> I have a 64bit windows 7 installed, and got many precompiled packages
> for amd64 Python 2.7 from
> http://www.lfd.uci.edu/~gohlke/pythonlibs/
> (thanks to  Christoph Gohlke for all the work)
> But now I have some C++ extensions on my own, and know how build them
> using cygwin -- but that would only produce 32bit modules and should
> be unusable.
>
> So, the question is if someone has or knows of some tutorial about how
> to go about this - step by step. This info could maybe even go the
> scipy wiki....
>
> Thanks,
> Sebastian Haase


Hi Sebastian,

I am not aware of such a tutorial. There's some information at 
<http://projects.scipy.org/numpy/wiki/MicrosoftToolchainSupport>

I did not have good experience last time (about a year ago) I tried 
mingw-w64. Occasional crashes during compilation and at runtime. 
Probably that has changed. At least you have to create the missing 
libpython and libmsvcr90 libraries from the dlls and make libmsvcr90 the 
default crt.

You probably know that the "free" Windows 7 Platform SDK can be used to 
build Python >=2.6 extensions written in C89. 
<http://mattptr.net/2010/07/28/building-python-extensions-in-a-modern-windows-environment/>

--
Christoph





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