On 27.03.2021 13:58, Brad Bell wrote: > I am trying to build the swig tutorial on cygwin > http://www.swig.org/tutorial.html <http://www.swig.org/tutorial.html> > > I changed the version of python to python3.8 (the version on my cygwin > system) and that solved the include file error. have you installed the last swig package ?