[SciPy-User] numpy.distutils cross compile question

Zhenfei Yuan zfyuan@mail.ustc.edu...
Fri Nov 2 21:44:28 CDT 2012

On 11/03/2012 03:37 AM, Ralf Gommers wrote:
> On Tue, Oct 30, 2012 at 4:18 AM, Zhenfei Yuan <zfyuan@mail.ustc.edu.cn 
> <mailto:zfyuan@mail.ustc.edu.cn>> wrote:
>     Dear all.
>          I've written a small package in my field  containing  some pure
>     python scripts and fortran extension libraries. At first I just
>     use f2py
>     for the compiling work before importing these extensions into
>     python and
>     they all worked well. This time, I write a "setup.py" file which
>     import
>     "setup" function in "numpy.distutils.core" and will build a scipy sub
>     package on my ubuntu 64 machine, with gfortran specified by the
>     command
>     "python setup.py build fgnu95", which works well.
>          My questions comes with the problem when I'd like to  build a win
>     32/64 package. I think it concerns cross compiling, so I installed
>     mingw
>     compilers like "i686-w64-mingw32-gfortran" and "i686-w64-mingw-32-gcc"
>     on my ubuntu 12.04. However I don't know how to write the setup.py
>     file
>     for cross compiling using numpy.distutils. I tried typing "python
>     setup.py" and specify fortran compiler by typing
>     "fi686-w64-mingw32-gfortran" for building, however it doesn't work. So
>     I'm wondering whether I have to build this package on linux 32, 64 bit
>     and win 32, 64 bit?
> I don't think that will work. Even if the compilers would work, 
> distutils isn't flexible enough to pass the right flags to them. If 
> you want to build Windows binaries on Linux, you should use install 
> MinGW under Wine. Even that is a little painful, but Ondrej Certik 
> recently wrote some scripts to install everything that's needed: 
> https://github.com/certik/numpy-vendor
> Ralf
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It confused me for some time, and I  found a win machine and compiled on 
it with mingw32. Thanks very much, Ralf.

zfyuan <zfyuan@mail.ustc.edu.cn>

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