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Date: Wed, 13 Apr 2011 20:35:33 -0700
Subject: Re: looking for libpython31.a 64bit (missing from python-3.1.3.amd64.msi)
From: Nathan Coulson <conathan@gmail.com>
To: David Cournapeau <cournape@gmail.com>
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Xref: x330-a1.tempe.blueboxinc.net comp.lang.python:3167

On Wed, Apr 13, 2011 at 7:53 PM, David Cournapeau <cournape@gmail.com> wrot=
e:
> On Thu, Apr 14, 2011 at 11:28 AM, Nathan Coulson <conathan@gmail.com> wro=
te:
>
>> actually figured out a neat trick, =C2=A0mingw-w64 can link directly to =
the .dll.
>> gcc file.c python31.dll -o file.exe
>>
>> no .a needed.
>>
>> http://www.mingw.org/wiki/sampleDLL
>>
>> (have yet to find out if it actually works yet, but so far looks promisi=
ng)
>
> Note the "If this method works for your application then there is
> usually no need for an import library.". Whether it works or not is
> often found the hard way (i.e. you won't have a linking error, but
> subtle bugs). Building a .a library is more stable in my experience
> (even in 32 bits).
>
> In any case, note the =C2=A0-DMS_WIN64 which is mandatory if you want to
> make it work (without this define, mingw will use the python headers
> for 32 bits, with pointers typedef defined for 32 bits pointers
> instead of 64 bits, which will not work very well :) ).
>
> cheers,
>
> David

very good note,  had no clue.



--=20
Nathan Coulson (conathan)
------
Location: British Columbia, Canada
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