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Cython.md

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Cython Note

  • There's problem with Anaconda-python or python itself (not sure for now) when compiling cython code under Windows system with GCC compiler. If you're using one of GCC compilers, remember define -DMS_WIN64=1 otherwise the compiled *.pyd will crash your python runtime. This bug has been there for quite a long time, check the issue

  • You can specify which compiler to use by cmdline parameter --compiler as python setup.py build_ext --inplace --compiler msvc.

  • When using MSVC as compiler, you may encounter a LINK error:

LINK : fatal error LNK1158: cannot run 'rc.exe'

As stackoverflow disscussion, you'll need find a proper version rc.exe and corresponding rcdll.dll and copy them into the MSVC compiler folder. Then it'll compile without any problem.