Answers for "compile opencv c++"

executing an opencv c++ code

g++ m.cpp -o app `pkg-config --cflags --libs opencv`

how to compile opencv c++ in ubuntu

1 $ alias opencv="~/.compile_opencv.sh"
   2 $ opencv opencvtest.c
   3 $ ./opencvtest

opencv compile c++

pkg-config --cflags --libs /path/to/opencv.pc
//to compile opencv code samples