# If the MUMBLE_PYTHON environment variable wasn't set,
# determine if the 'which' tool is available. We need it
# to determine which python binary on the system to use.
# If 'which' isn't available, error out.
# Calling 'which which' is intentional.
# If which is available, it will print the path to it.
# If it isn't available, it will not print anything.
message("The 'which' command is not available on the system. Unble to search for Python installations. Assuming 'python'... If this is not correct, please point the MUMBLE_PYTHON environment variable at a working Python 2 or Python 3 binary.")