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 ------------------------------------------------------------------------------ Everyone hates slow websites. So do we. Make your web apps faster with AppDynamics Download AppDynamics Lite for free today: http://p.sf.net/sfu/appdyn_d2d_feb _______________________________________________ Mingw-w64-public mailing list Mingw-w64-public@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/mingw-w64-public
