- Python 3.7 is built using Visual Studio 2017 so we use the corresponding image.
- Python 3.7 replaces Python 2.7 when building the module.
- Adding the library legacy_stdio_definitions to the linker input as starting with VS 2015 some symbols have been inlined but may be expected by older binaries. This compatibility library exposes these symbols so they can be dynamically linked when required (Cf. https://stackoverflow.com/a/32418900).
Python bindings will be re-build with its distutils script to get private
module built against all supported python versions. Let's fix setup.py
to use the defined CFLAGS.
