libopencv_gpu.so.2.4: undefined reference to `cv::gpu

 === linking: release/DenseTrackStab ===
g++ -L/opt/lib -pipe -Wall -O3 -ggdb -lncurses -o release/DenseTrackStab .build_release/DenseTrackStab.o -lopencv_core -lopencv_highgui -lopencv_video -lopencv_imgproc -lopencv_calib3d -lopencv_features2d -lopencv_nonfree -lavformat -lavdevice -lavutil -lavcodec -lswscale
//usr/local/lib/libopencv_gpu.so.2.4: undefined reference to `cv::gpu::convertTo(cv::gpu::GpuMat const&, cv::gpu::GpuMat&, double, double, CUstream_st*)'
//usr/local/lib/libopencv_gpu.so.2.4: undefined reference to `cv::gpu::setTo(cv::gpu::GpuMat&, cv::Scalar_<double>, cv::gpu::GpuMat const&, CUstream_st*)'
//usr/local/lib/libopencv_gpu.so.2.4: undefined reference to `cv::gpu::setTo(cv::gpu::GpuMat&, cv::Scalar_<double>, CUstream_st*)'

解决方法：

把 /usr/local/lib/ 下的 libopencv_gpu.so.2.4 和 libopencv_gpu.so.2.4.10 删除，只剩下libopencv_gpu.so 问题解决