message: cmake: hide 'junk' dir from the root of build directory
  moved to CMakeFiles (no conflicts are expected)
diff: @@ -15,7 +15,7 @@ set(OPENCV_LIBVERSION "${OPENCV_VERSION_MAJOR}.${OPENCV_VERSION_MINOR}.${OPENCV_
  # create a dependency on the version file
  # we never use the output of the following command but cmake will rerun automatically if the version file changes
  -configure_file("${OPENCV_VERSION_FILE}" "${CMAKE_BINARY_DIR}/junk/version.junk" COPYONLY)
  +configure_file("${OPENCV_VERSION_FILE}" "${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/opencv_junk/version.junk" COPYONLY)
  ocv_update(OPENCV_VS_VER_FILEVERSION_QUAD "${OPENCV_VERSION_MAJOR},${OPENCV_VERSION_MINOR},${OPENCV_VERSION_PATCH},0")
  ocv_update(OPENCV_VS_VER_PRODUCTVERSION_QUAD "${OPENCV_VERSION_MAJOR},${OPENCV_VERSION_MINOR},${OPENCV_VERSION_PATCH},0")
  