[CMake] cmake vs. Python 3.4

[Rolf Eike Beer]

Am Samstag, 24. Dezember 2016, 12:06:10 schrieb Rolf Eike Beer:
> Am Freitag, 23. Dezember 2016, 20:57:49 schrieb Lev:
> > Hi list,
> > 
> > 
> > I have this:
> > 
> > FIND_PACKAGE(PythonInterp)
> > 
> > and cmake finds this:
> > 
> > -- Found PythonInterp: /usr/bin/python (found version "2.7.9")
> > 
> > However, 3.4 is also installed. How can I specify to find 3.4?
> > 
> > If I say:
> > 
> > set(Python_ADDITIONAL_VERSIONS 3.4)
> > FIND_PACKAGE(PythonInterp 3 REQUIRED)
> 
> The problem here is the "REQUIRED". Older CMake versions did not let "3.4"
> satisfy "3" as required version, what newer versions do. However they let it
> pass as a minimum version. And you don't need to add 3.4 to the list of
> supported versions, if I read the log correct then 3.4 is already in the
> list for CMake 3.0.

Ehm, the "3" would not satisfy EXACT, but it of course satisfies REQUIRED. And 
it works for me, btw.

Eike
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