[Numpy-discussion] Compiling for free on Windows32

william ratcliff william.ratcliff@gmail....
Wed Apr 15 15:46:53 CDT 2009


Hi!  What I do is make a distutils.cfg file and put in the
$PYTHONHOME/Lib/distutils

directory (for me, c:\python25\lib\distutils)

and then it will use mingw32 for the compilation.  I've attached the one I
use.

Cheers,
William

On Wed, Apr 15, 2009 at 4:06 PM, <josef.pktd@gmail.com> wrote:

> On Wed, Apr 15, 2009 at 3:54 PM, Pauli Virtanen <pav@iki.fi> wrote:
> > Wed, 15 Apr 2009 15:42:05 -0400, josef.pktd wrote:
> >
> >> On Wed, Apr 15, 2009 at 3:17 PM, David Cournapeau <cournape@gmail.com>
> >> wrote:
> >>> On Thu, Apr 16, 2009 at 1:17 AM, Fadhley Salim
> >>> <Fadhley.Salim@uk.calyon.com> wrote:
> >>>> I've been asked to provide Numpy & Scipy as python egg files.
> >>>> Unfortunately Numpy and Scipy do not make official releases of their
> >>>> product in .egg form for a Win32 platform - that means if I want eggs
> >>>> then I have to compile them myself.
> >>>
> >>> Yes.
> >>>
> >>>
> >>>> At the moment my employer provides Visual Studio.Net 2003, which will
> >>>> compile no version of Numpy later than 1.1.1 - every version released
> >>>> subsequently cannot be compiled with VS2003. I've tried.
> >>>
> >>> Yes, this is a visual studio bug.
> >>>
> >>>
> >>>> What I'd really like is some other compiler I can use, perhaps for
> >>>> free, but at a push as a free time-limited trial. I would use that to
> >>>> compile the eggs. Is anybody aware of another compiler that I can
> >>>> download and use without paying anything and will definitely compile
> >>>> Numpy on Windows?
> >>>
> >>> The compilers that are regularly used to compile python on windows are
> >>> the mingw compilers. If you only need numpy and not scipy, there are no
> >>> dependencies, and only the C compiler is needed. It should compile out
> >>> of the box.
> >>>
> >>> Otherwise, you will need to compile your own blas/lapack, which is
> >>> complicated on windows. The blas/lapack sources are to be downloaded
> >>> from netlib.org:
> >>>
> >>> http://netlib.org/lapack/
> >>>
> >>> You should not use the version 3.2 (3.1.1 is fine, and is the version
> >>> used to build the numpy binaries).
> >>>
> >>> cheers,
> >>>
> >>> David
> >>
> >> numpy compiles fine with mingw, but I never managed to build an egg. I'm
> >> not able to get the --compiler=mingw32 to be recognized.
> >
> > I think it might work if you separate the compiling and bdist_egg steps:
> >
> >        setupegg.py build --compiler=mingw32 bdist_egg
> >
> > Does this help?
>
> Perfect, I thought I had tried all possible combinations.
> (but still strange)
>
> Josef
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