On Wed, 04 Feb 2015 19:58:18 +0100, Pedro Alves wrote: > I agree with Paul here. I think checking Python version is sufficient. I should point out that version checking is error prone to distro backports. > I'd be fine with providing a fallback Py_hash_t in python/python-internal.h, > where we already do a series of fallback definitions and fixes for older > Python, such as e.g. Py_ssize_t. Done. Jan