Am 2017-04-29 22:47, schrieb Alan W. Irwin:
My use case (which I am pretty sure is a common one) is that for
PLplot I want the default behaviour of our build system to be that it
looks for Python 3, but if that does not exist it looks for Python 2.
It appears the following logic implements that desired default
behaviour.
find_package(PythonInterp 3)
find_package(PythonInterp 2)
So far so good, but I am sure there will be some of our users that
prefer Python 2 even when Python 3 is installed on their system.
find_package(PythonInterp 2 EXACT)
Eike
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