CMake Error at OUTPUT_NAME-recursion.cmake:[0-9]+ \(add_executable\):
  Target 'empty1' OUTPUT_NAME depends on itself.
Call Stack \(most recent call first\):
  CMakeLists.txt:3 \(include\)


CMake Error at OUTPUT_NAME-recursion.cmake:[0-9]+ \(add_executable\):
  Target 'empty2' OUTPUT_NAME depends on itself.
Call Stack \(most recent call first\):
  CMakeLists.txt:3 \(include\)