How to pass c++ standard version to cythonize command

[Joth]

Hello,

I want to use std::optional in cython but when I build my cpp file with cythonize command I get build error because the MSVC compiler takes C++14 by default:

The contents of <optional> are available only with C++17 or later.

How can I pass the c++ standard version to cythonize command ?

[da-woods]

The easiest way is to use a comment in the source file giving extra arguments to the C++ compiler

# distutils: extra_compile_args =  /std:c++17

Just put that at the top of your source file.

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