Install OpenCV: Following this: https://medium.com/@jaskaranvirdi/setting-up-opencv-and-c-development-environment-in-xcode-b6027728003

brew install opencv brew install pkg-config export PKG_CONFIG_PATH=/usr/local/lib/pkgconfig pkg-config --cflags --libs opencv4 # This should show some prints

g++ $(pkg-config --cflags --libs opencv4) -std=c++11 test.cpp -o test

Using cmake:

mkdir build cd build cmake .. ./src/test_exec

For a more detailed report, please see here