[CMake] cmake vs. Python 3.4
Elizabeth A. Fischer
elizabeth.fischer at columbia.edu
Fri Dec 23 16:44:53 EST 2016
>
> Try using the update-alternatives command so that "python" becomes
> symbolically linked to python-3.4 rather than python-2.7.9
>
> Or uninstall python 2.7.9.
>
The standard Python distribution for versions 3 or greater installs a
binary called `python3`, not `python`. That is the standard. If you are
running Python3 from a binary called `python`, that is not standard. I
know that distros do this (or can do it with tweaking); but that doesn't
make it standard. If you want to be sure you're getting Python3, you
should look for a binary called `python3`.
Does FindPython not have logic to check the versioned pythonx.y
> alternatives when doing these checks? Why isn't it checking the python3
> and python3.x commands in this circumstance?
Have you tried the FindPython I referenced above? It would solve the
problems you brought to this thread (and maybe even some you didn't yet
know you have).
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