CMake/Tests/RunCMake/CMP0057/CMP0057-NEW-stderr.txt

CMake Error at CMP0057-NEW.cmake:8 \(add_custom_command\):
  "input.txt" can only be specified as a custom command MAIN_DEPENDENCY once.
Call Stack \(most recent call first\):
  CMakeLists.txt:3 \(include\)