cygwin issue

[arpruss]

I managed to build under cygwin64 (had to change a few argument names in .hpp files). But then when I try to use the code, I get

Python 2.7.12 (default, Oct 10 2016, 12:56:26)
[GCC 5.4.0] on cygwin
Type "help", "copyright", "credits" or "license" for more information.
>>> import pyPolyCSG
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
ImportError: dynamic module does not define init function (initpyPolyCSG)

Any hints? I saw this which suggests it might be a mismatch between the library filename and the boost definitions, but I can't see this being the issue.