message: cmake: trying fix for older cmake versions
diff: @@ -168,6 +168,11 @@ if(NOT IOS AND NOT ANDROID)
  POST_BUILD
  COMMAND ${CMAKE_COMMAND} -E copy_if_different
  ${CMAKE_SOURCE_DIR}/start_px4_sitl.sh
  + ${CMAKE_CURRENT_BINARY_DIR}
  + )
  + add_custom_command(TARGET integration_tests_runner
  + POST_BUILD
  + COMMAND ${CMAKE_COMMAND} -E copy_if_different
  ${CMAKE_SOURCE_DIR}/stop_px4_sitl.sh
  ${CMAKE_CURRENT_BINARY_DIR}
  )
  