Chris? Maybe I'm dreaming X-D On Fri, 12 Nov 2021 at 17:38, Chris Angelico <ros...@gmail.com> wrote: > Are you sure that you really need Py_BUILD_CORE?
Yes, because I need the internal functions of `dict`. So I need to compile also dictobject.c and include it. So I need that flag. This is the code: https://github.com/Marco-Sulla/python-frozendict.git On Linux and MacOS it works like a charme. On Windows, it seems it does not find python3.lib. I also added its path to the PATH variable -- https://mail.python.org/mailman/listinfo/python-list