warning: libopencv_core.so.2.4

[zhoux121]

Has anyone encountered these issues? it looks like I have links to the wrong path, but I am not sure how to fix it :(

/usr/bin/ld: warning: libopencv_core.so.2.4, needed by ../Thirdparty/DBoW2/lib/libDBoW2.so, not found (try using -rpath or -rpath-link)
/usr/bin/ld: ../Thirdparty/DBoW2/lib/libDBoW2.so: undefined reference to cv::_OutputArray::_OutputArray(cv::Mat&)' /usr/bin/ld: ../lib/libORB_SLAM2.so: undefined reference to DBoW2::FORB::fromString(cv::Mat&, std::__cxx11::basic_string<char, std::char_traits, std::allocator > const&)'
/usr/bin/ld: ../lib/libORB_SLAM2.so: undefined reference to `DBoW2::FORB::toString[abi:cxx11](cv::Mat const&)'
collect2: error: ld returned 1 exit status
make[2]: *** [CMakeFiles/rgbd_my.dir/build.make:245: ../Examples/RGB-D/rgbd_my] Error 1
make[1]: *** [CMakeFiles/Makefile2:82: CMakeFiles/rgbd_my.dir/all] Error 2
make: *** [Makefile:84: all] Error 2