> That's because all system-specific functionality that we have really 
> depends on system features which just can't be available elsewhere.
> For all functionality that in principle works on all systems, it also
> actually works on all systems for Python. In cases where stuff was
> only available on Linux even though it could work on other systems,
> people *did* see it as a bad thing.

Agreed, but it's a probably with the external library. That's like
saying we are responsible if libffi fails building with the AIX
compiler.