cmake/Tests/RunCMake/CrosscompilingEmulator/AddCustomCommand-build-check.cmake

foreach(output IN ITEMS output1 output2 output3 output4 output5)
  if(NOT EXISTS "${RunCMake_TEST_BINARY_DIR}/${output}")
    set(RunCMake_TEST_FAILED "Failed to create output:\n  ${RunCMake_TEST_BINARY_DIR}/${output}")
    return()
  endif()
endforeach()