CMake Error at Optional\.cmake:[0-9]+ \(find_file\):
  find_file cannot be both REQUIRED and OPTIONAL
Call Stack \(most recent call first\):
  CMakeLists\.txt:[0-9]+ \(include\)


CMake Error at Optional\.cmake:[0-9]+ \(find_file\):
  Could not find FILE_doNotExists using the following files: doNotExists\.h
Call Stack \(most recent call first\):
  CMakeLists\.txt:[0-9]+ \(include\)
