Error run sample opencv cuda

When i run comand “cmake .”
Then this is error

CMake Error at /usr/share/cmake-3.5/Modules/FindPackageHandleStandardArgs.cmake:148 (message):
Could NOT find CUDA: Found unsuitable version “7.5”, but required is exact
version “8.0” (found /usr)
Call Stack (most recent call first):
/usr/share/cmake-3.5/Modules/FindPackageHandleStandardArgs.cmake:386 (_FPHSA_FAILURE_MESSAGE)
/usr/share/cmake-3.5/Modules/FindCUDA.cmake:949 (find_package_handle_standard_args)
/usr/local/share/OpenCV/OpenCVConfig.cmake:48 (find_package)
/usr/local/share/OpenCV/OpenCVConfig.cmake:291 (find_host_package)
CMakeLists.txt:3 (find_package)

– Configuring incomplete, errors occurred!
See also “/home/panjaitan/Documents/HoughLine/CMakeFiles/CMakeOutput.log”.
See also “/home/panjaitan/Documents/HoughLine/CMakeFiles/CMakeError.log”.

Please help me