ld.exe     cannot find -lhighgui
   ld.exe     cannot find -lcv
   ld.exe     cannot find -lcxcore

C:/mingw/...../mingw32/bin/ld.exe: cannot find -lhighgui
   C:/mingw/...../mingw32/bin/ld.exe: cannot find -lcv
   C:/mingw/...../mingw32/bin/ld.exe: cannot find -lcxcore
   Process terminated with status 1 (0 minutes, 0 seconds)
   3 errors, 0 warnings (0 minutes, 0 seconds)