diff -r OpenCV-2.3.1/modules/flann/include/opencv2/flann/any.h OpenCV-2.3.1b/modules/flann/include/opencv2/flann/any.h 117c117 < }; --- > } diff -r OpenCV-2.3.1/modules/flann/include/opencv2/flann/defines.h OpenCV-2.3.1b/modules/flann/include/opencv2/flann/defines.h 123c123 < FLANN_LOG_INFO = 4, --- > FLANN_LOG_INFO = 4