compiltion error

[lexasub]

gcc -I / usr / local / include / opencv -I / usr / local / include -Isrc / inc -O2 -Wall -DPA_USE_ALSA src / video.c -c -o objs / video.o
/ bin / sh: -I / usr / local / include / opencv: There is no such file or directory
src / video.c: 1: 10: fatal error: cv.h: There is no such file or directory
  #include <cv.h>
           ^ ~~~~~
compilation aborted.
make: *** [Makefile: 49: objs / video.o] Error 1