[Numpy-discussion] Compiling for free on Windows32

[josef.pktd at gmail.com]

On Wed, Apr 15, 2009 at 3:54 PM, Pauli Virtanen <pav at 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 at gmail.com>
>> wrote:
>>> On Thu, Apr 16, 2009 at 1:17 AM, Fadhley Salim
>>> <Fadhley.Salim at 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