There are mingw pythons around if you want to try that route?
On 19 Feb 2013 13:45, "Xiaofan Chen" <xiaof...@gmail.com> wrote:
> On Tue, Feb 19, 2013 at 5:22 PM, JonY <jo...@users.sourceforge.net> wrote:
> > On 2/19/2013 08:12, Xiaofan Chen wrote:
> >> On Tue, Feb 19, 2013 at 6:12 AM, JonY <jo...@users.sourceforge.net>
> wrote:
> >>> On 2/18/2013 22:56, Xiaofan Chen wrote:
> >>>> Ref:
> http://developer.intra2net.com/mailarchive/html/libftdi/2013/msg00137.html
> >>>>
> >>>> I am trying to build the 64bit Python (2.7.3 and 3.3) bindings for
> >>>> libftdi1-1.0 (
> http://www.intra2net.com/en/developer/libftdi/download.php )
> >>>> with MinGW-w64 (Ruben personal build 4.7.2 release).
> >>>> But somehow it does not work.
> >>>>
> >>>> I am trying using the instructions here.
> >>>>
> http://stackoverflow.com/questions/11182765/how-can-i-build-my-c-extensions-with-mingw-w64-in-python
> >>>>
> >>>> For 64bit Python 2.7.3, I did the following.
> >>>> 1) gendef.exe python27.dll
> >>>> 2) dlltool.exe --dllname python27.dll --def python27.def --output-lib
> >>>> libpython27.a
> >>>> 3) Copy libpython27.a to C:\Python27\libs
> >>>>
> >>>> Strangely, gendef has already used Py_InitModule4_64 but I need
> >>>> to rename it back to Py_InitModule4 to get the Python binding build
> >>>> successfully.
> >>>>
> >>>> But the resultant Python bindings do not work. Just FYI,
> >>>> 32bit Python binding works very well but I do not need
> >>>> to use gendef and dlltool there since the default 32bit
> >>>> Python windows binaries already provide the import
> >>>> library libpython27.a.
> >>>
> >>> That is because your def don't match the DLL, you just
> >>> messed with it.
> >>
> >> The problem is that if I do not change the def file, I will
> >> have the following compile error.
> >>
> >
> > That is because you just made up your own symbol, there was no such
> > symbol in the DLL. Changing the def file by hand is one way to cause
> > programs to fail when linked to the import library.
> >
> > You should ask a python specific list for help on the Python programming
> > language or Swig for help on Swig.
> >
> > I don't think this is mingw-w64 related anymore.
>
> Fair enough. For now I will try to patch libftdi1 to build under
> MSVC 2012 and see if I can get the 64bit Python binding build
> under VS2012.
>
>
>
> --
> Xiaofan
>
>
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