On 23/12/16 20:53, Alan W. Irwin wrote:
On 2016-12-23 20:57+0100 Lev wrote:
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)
still no luck.
This is on a Debian stable, so
$ cmake --version
cmake version 3.0.2
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.
This seems a little drastic; I wouldn't expect to have to alter the
system for cmake to do what I want. 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?
Or, give the incompatibility here, do we need a separate
FindPython3Interp and equivalents so that we can find Python 2 and 3
version of the executable and libs independently. This is something
which has been bugging me for a while since the current behaviour seems
somewhat unsatisfactory.
Regards,
Roger
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