I have mingw and python 2.7 in a Windows 7 box and trying to install PyGraphViz-1.1 using the following CLI utility
python setup.py install build --compiler=mingw32 However, it ends up compiling error with undefined references as follows: ... build\temp.win-amd64-2.7\Release\pygraphviz\graphviz_wrap.o:graphviz_wrap.c:(.text+0x5a73): undefined reference to '_imp__PyInt_FromLong' collect2: ld returned 1 exit status error: command 'gcc' failed with exit status 1 I checked in the link (see here<http://eli.thegreenplace.net/2008/06/28/compiling-python-extensions-with-distutils-and-mingw/#comment-425893>) which suggests exporting definitions from C:\Windows\System32\python27.dll to python27.def and then using dlltool to create libpython27.a and finally placing the libpython.a file under C:\Python27\libs of the Python distribution for MinGW to interpret Python libraries. I have the C:\MinGW\bin added to my system path and been trying to do the export using pexports C:\Windows\System32\python27.dll > C:\Windows\System32\python27.def but each time I am receiving Access is Denied Message. I did some searching and found that MS Visual Studio users can avail another export option with DUMPBIN but since I don't have MSVS installed, I would like to get some alternative to get rid of the problem and need to use the PyGraphViz-1.1 package. Any suggestions will be very helpful Somnath Chakrabarti MS Student CSEE Department University of Maryland Baltimore County 1000 Hilltop Circle Baltimore, MD 21250 M: 443-812-5609 mail: chak...@umbc.edu gmail: chakrabarti.somn...@gmail.com
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