Python.h quirk

[Eric S. Raymond]

Hal Murray via devel <devel at ntpsec.org>:
> 
> I'm on Fedora.  I've been using python2 for ages.  I just tried to switch to 
> python3.
> My "python" command now links to python3.7
> 
> It all builds, then dies trying to run the version printout tests which really 
> test that it can load all the libraries it needs.  That died in util.py while 
> trying to import ntp.ntpc
> 
> It turns out that building ntpc.so had used the Python.h from python2 rather than the one for python3
> Downhill from there.
> 
> Can we do anything to fix that?  Or trap it?
> 
> It works after I uninstall python2-devel

Oh, that's a nasty one.

The problem, of course, is that the Python 2 and Python3 development package both want to own Python.h, 
and the name is not versioned.

I don't see any fix for this other than "have the right dev kit installed whebn you build".
-- 
		<a href="http://www.catb.org/~esr/">Eric S. Raymond</a>