2014-08-22 15:44:20 -0600 | answered a question | Error: Undefined References I was having trouble linking the example code by hand using g++ CLI instead of the top level make in the installation directory. I finally found I needed to do this to link the lkdemo.cpp code: g++ kdemo.cpp -o lkdemo -Wl,--start-group I am using openCv 3.0 alpha on Ubuntu 12.04.4 Hope this helps. |