collect2: error: ld returned 1 exit status
samples/gpu/CMakeFiles/example_gpu_driver_api_multi.dir/build.make:125: recipe for target 'bin/example_gpu_driver_api_multi' failed
make[2]: *** [bin/example_gpu_driver_api_multi] Error 1
CMakeFiles/Makefile2:39358: recipe for target 'samples/gpu/CMakeFiles/example_gpu_driver_api_multi.dir/all' failed
make[1]: *** [samples/gpu/CMakeFiles/example_gpu_driver_api_multi.dir/all] Error 2
make[1]: *** Waiting for unfinished jobs....
在samples/gpu/CMakeLists.txt添加金色部分
foreach(sample_filename ${all_samples})
ocv_define_sample(tgt ${sample_filename} gpu)
ocv_target_link_libraries(${tgt} ${OPENCV_LINKER_LIBS} ${OPENCV_CUDA_SAMPLES_REQUIRED_DEPS})
if(HAVE_CUDA AND NOT ANDROID)
ocv_target_link_libraries(${tgt} ${CUDA_CUDA_LIBRARY})
endif()
if(HAVE_opencv_xfeatures2d)
ocv_target_link_libraries(${tgt} opencv_xfeatures2d)
endif()