Only link against Python3_LIBRARY when LLDB_ENABLE_PYTHON is true. We have to be more strict now becuase Python3_LIBRARY might be set to NOTFOUND instead of being not set at all.
Only link against Python3_LIBRARY when LLDB_ENABLE_PYTHON is true. We have to be more strict now becuase Python3_LIBRARY might be set to NOTFOUND instead of being not set at all.