ubuntu:
root@nano-nsrc:~# pkg-config --cflags opencv
-I/usr/include/opencv
root@nano-nsrc:~# pkg-config --libs opencv
-lopencv_core -lopencv_imgproc -lopencv_highgui -lopencv_ml -lopencv_video -lopencv_features2d -lopencv_calib3d -lopencv_objdetect -lopencv_contrib -lopencv_legacy -lopencv_flann


Pi:
root@raspberrypi:/home/pi# pkg-config --libs opencv
-L/usr/local/lib -lcxcore -lcv -lhighgui -lcvaux -lml
root@raspberrypi:/home/pi# pkg-config --cflags opencv
-I/usr/local/include/opencv