python: allow users to pass standard -DPython2_EXECUTABLE / -DPython3_EXECUTABLE

jrl-umi3218 / jrl-cmakemodules

CMake utility toolbox

https://jrl-cmakemodules.readthedocs.io/en/master/

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python: allow users to pass standard -DPython2_EXECUTABLE / -DPython3_EXECUTABLE #527

Closed nim65s closed 2 years ago

nim65s commented 2 years ago

this also allows cases where a find_package(Python3 REQUIRED) was successfully run before our FINDPYTHON() to avoid misleading messages about Python found then Python not found.