i\'m new to qt and i installed the qt creator on my mac (os 10.8.5) and wanted to add the openCv library. I followed the instruction of this youtube tutorial (http://www.you
Check your library names. In your pro file the first letter is 1 (number) instead of l:
1
l
-libopencv_core \ -libopencv_imgproc \ -libopencv_features2d \ -libopencv_highgui