CMakeList.txt Python find_package()

[JosuaCarl]

For cMake version 3.12 or later, variable PythonInterp and PythonLibs has been changed into Python.

find_package(Python ${PY_VERSION} REQUIRED)

should be used, instead of:

find_package(PythonInterp ${PY_VERSION} REQUIRED) find_package(PythonLibs ${PY_VERSION} REQUIRED)

which is still present in the CMakeList.txt file. Otherwise, the presented error is:

CMake Error: The following variables are used in this project, but they are set to NOTFOUND.
Please set them or make sure they are set and tested correctly in the CMake files:
PYTHON_LIBRARY (ADVANCED)
    linked by target "BALL" in directory /mnt/Data/Programs/BALL-1.4.2

-- Generating done
CMake Generate step failed.  Build files cannot be regenerated correctly.

Changing the line 295 & 297 to the suggested statement fixed the problem (although the second if-statement should not be entered at all, then).