OpenCV - link libraries and compile

#the source directory would change depending on where you install it

#output errors while compiling are very useful to debug

export LD_LIBRARY_PATH=/usr/src/opencv/release/lib/:$LD_LIBRARY_PATH

ldconfig

PKG_CONFIG_PATH=/usr/src/lib/pkgconfig:${PKG_CONFIG_PATH}

export PKG_CONFIG_PATH

ldconfig



#some examples and guidelines here

linuxconfig.org/introduction-to-computer-vision-with-opencv-on-linux



#compiling

g++ `pkg-config opencv --cflags --libs` example21.cpp -o  example21