# # Virtual environment is defined for python3 # Trying to find a python2 using only virtual environment # It is expecting to fail if a virtual environment is active and to success otherwise. # set (Python2_FIND_VIRTUALENV ONLY) find_package (Python2 QUIET) if (PYTHON3_VIRTUAL_ENV AND Python2_FOUND) message (FATAL_ERROR "Python2 unexpectedly found.") endif() if (NOT PYTHON3_VIRTUAL_ENV AND NOT Python2_FOUND) message (FATAL_ERROR "Fail to find Python2.") endif()