[SciPy-User] numpy.distutils cross compile question
Thu Nov 8 12:55:42 CST 2012
On Wed, Nov 7, 2012 at 9:26 AM, Zhenfei Yuan <firstname.lastname@example.org>wrote:
> On 11/03/2012 03:37 AM, Ralf Gommers wrote:
> On Tue, Oct 30, 2012 at 4:18 AM, Zhenfei Yuan <email@example.com>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
> SciPy-User mailing listSciPy-User@scipy.orghttp://mail.scipy.org/mailman/listinfo/scipy-user
> Now I have some problem for creating a win64 package using mingw-w64
> targeting for either win32 or win64 machine, maybe as you said that
> distutils isn't flexible enough, since I found that it could only accept
> some popular compilers but mingw-w64 excluded. I wonder that can
> numpy-vendor do this work, or is there any other way? I have seen some
> unofficial win32 and win-amd64 binaries, and I wonder how they make it.
> With msvc flag on win 64 machine?
Indeed, with MSVC, Intel Fortran and Intel MKL typically. MinGW 64-bit
isn't supported; there's no working 64-bit gfortran so you wouldn't be able
to make Scipy work.
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