Created
April 1, 2020 17:59
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Example of preferring Python 2 over Python3 with new FindPython2 and FindPython3 CMake modules
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| cmake_minimum_required(VERSION 3.12.4) | |
| find_package(Python2 COMPONENTS Interpreter) | |
| find_package(Python3 COMPONENTS Interpreter) | |
| if (NOT Python2_Interpreter_FOUND AND NOT Python3_Interpreter_FOUND) | |
| message(FATAL_ERROR "Could NOT find Python2 or Python3") | |
| endif() | |
| # https://github.com/Kitware/CMake/blob/cfc92b483fbd3695d4a67843977e709ba4d7ea47/Modules/FindPython/Support.cmake#L2433-L2439 | |
| if (Python2_Interpreter_FOUND) | |
| add_executable(Python::Interpreter IMPORTED) | |
| set_property(TARGET Python::Interpreter PROPERTY IMPORTED_LOCATION "${Python2_EXECUTABLE}") | |
| elseif (Python3_Interpreter_FOUND) | |
| add_executable(Python::Interpreter IMPORTED) | |
| set_property(TARGET Python::Interpreter PROPERTY IMPORTED_LOCATION "${Python3_EXECUTABLE}") | |
| else() | |
| message(FATAL_ERROR "Could NOT find Python2 or Python3") | |
| endif() | |
| if (TARGET Python::Interpreter) | |
| get_target_property(_location Python::Interpreter IMPORTED_LOCATION) | |
| message(STATUS "Set Python::Interpreter = ${_location}") | |
| endif() |
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