Hi,
I just installed JetPack 2.3 on Ubuntu 16.04.
I just didn’t install OpenCV4Tegra as it isn’t available for 16.04 as now.
When trying to build the VisionWorks example, the build fails saying some nvxio and nvxcuio references are not defined.
make[1]: Entering directory '/home/fnlocal/VisionWorks-1.5-Samples/demos/feature_tracker'
make[1]: Entering directory '/home/fnlocal/VisionWorks-1.5-Samples/demos/stereo_matching'
make[1]: Entering directory '/home/fnlocal/VisionWorks-1.5-Samples/demos/feature_tracker_nvxcu'
make[1]: Entering directory '/home/fnlocal/VisionWorks-1.5-Samples/demos/hough_transform'
make[1]: Entering directory '/home/fnlocal/VisionWorks-1.5-Samples/demos/motion_estimation'
make[1]: Entering directory '/home/fnlocal/VisionWorks-1.5-Samples/demos/video_stabilizer'
make[1]: Entering directory '/home/fnlocal/VisionWorks-1.5-Samples/samples/object_tracker_nvxcu'
make[1]: Entering directory '/home/fnlocal/VisionWorks-1.5-Samples/samples/opencv_npp_interop'
g++ -Wl,--allow-shlib-undefined -pthread -Wl,-rpath=/usr/local/cuda-8.0/lib64 -o ../../bin/x86_64/linux/release/nvx_demo_motion_estimation obj/release/main_motion_estimation.o obj/release/iterative_motion_estimator.o -L"/usr/lib" -lvisionworks -lnvxio
g++ -Wl,--allow-shlib-undefined -pthread -Wl,-rpath=/usr/local/cuda-8.0/lib64 -o ../../bin/x86_64/linux/release/nvx_demo_feature_tracker obj/release/main_feature_tracker.o obj/release/feature_tracker.o -L"/usr/lib" -lvisionworks -lnvxio
g++ -Wl,--allow-shlib-undefined -pthread -Wl,-rpath=/usr/local/cuda-8.0/lib64 -o ../../bin/x86_64/linux/release/nvx_demo_hough_transform obj/release/main_hough_transform.o -L"/usr/lib" -lvisionworks -lnvxio
g++ -Wl,--allow-shlib-undefined -pthread -Wl,-rpath=/usr/local/cuda-8.0/lib64 -o ../../bin/x86_64/linux/release/nvx_demo_video_stabilizer obj/release/main_video_stabilizer.o obj/release/smoother_node.o obj/release/stabilizer.o obj/release/homography_filter_node.o obj/release/truncate_transform_node.o -L"/usr/lib" -lvisionworks -lnvxio
g++ -Wl,--allow-shlib-undefined -pthread -Wl,-rpath=/usr/local/cuda-8.0/lib64 -o ../../bin/x86_64/linux/release/nvx_demo_stereo_matching obj/release/color_disparity_graph.o obj/release/stereo_matching.o obj/release/main_stereo_matching.o -L"/usr/lib" -lvisionworks -lnvxio
g++ -Wl,--allow-shlib-undefined -pthread -Wl,-rpath=/usr/local/cuda-8.0/lib64 -o ../../bin/x86_64/linux/release/nvx_sample_object_tracker_nvxcu obj/release/object_tracker_with_features_info_nvxcu.o obj/release/object_tracker_nvxcu.o obj/release/runtime_performance_logger.o obj/release/main_object_tracker_nvxcu.o obj/release/object_tracker_keypoint_nvxcu.o -L"/usr/lib" -L/usr/local/cuda-8.0/lib64 -lcudart -lvisionworks -lnvxio
g++ -Wl,--allow-shlib-undefined -pthread -Wl,-rpath=/usr/local/cuda-8.0/lib64 -o ../../bin/x86_64/linux/release/nvx_demo_feature_tracker_nvxcu obj/release/main_feature_tracker_nvxcu.o obj/release/feature_tracker_nvxcu.o -L"/usr/lib" -L/usr/local/cuda-8.0/lib64 -lcudart -lvisionworks -lnvxio
g++ -Wl,--allow-shlib-undefined -pthread -Wl,-rpath=/usr/local/cuda-8.0/lib64 -o ../../bin/x86_64/linux/release/nvx_sample_opencv_npp_interop obj/release/main_opencv_npp_interop.o obj/release/alpha_comp_node.o -L"/usr/lib" -L/usr/local/cuda-8.0/lib64 -lcudart -L/usr/local/cuda-8.0/lib64 -lnppi -lnppc /usr/lib/x86_64-linux-gnu/libopencv_calib3d.so -lopencv_calib3d /usr/lib/x86_64-linux-gnu/libopencv_contrib.so -lopencv_contrib /usr/lib/x86_64-linux-gnu/libopencv_core.so -lopencv_core /usr/lib/x86_64-linux-gnu/libopencv_features2d.so -lopencv_features2d /usr/lib/x86_64-linux-gnu/libopencv_flann.so -lopencv_flann /usr/lib/x86_64-linux-gnu/libopencv_gpu.so -lopencv_gpu /usr/lib/x86_64-linux-gnu/libopencv_highgui.so -lopencv_highgui /usr/lib/x86_64-linux-gnu/libopencv_imgproc.so -lopencv_imgproc /usr/lib/x86_64-linux-gnu/libopencv_legacy.so -lopencv_legacy /usr/lib/x86_64-linux-gnu/libopencv_ml.so -lopencv_ml /usr/lib/x86_64-linux-gnu/libopencv_objdetect.so -lopencv_objdetect /usr/lib/x86_64-linux-gnu/libopencv_ocl.so -lopencv_ocl /usr/lib/x86_64-linux-gnu/libopencv_photo.so -lopencv_photo /usr/lib/x86_64-linux-gnu/libopencv_stitching.so -lopencv_stitching /usr/lib/x86_64-linux-gnu/libopencv_superres.so -lopencv_superres /usr/lib/x86_64-linux-gnu/libopencv_ts.so -lopencv_ts /usr/lib/x86_64-linux-gnu/libopencv_video.so -lopencv_video /usr/lib/x86_64-linux-gnu/libopencv_videostab.so -lopencv_videostab -lvisionworks -lnvxio
obj/release/main_hough_transform.o: In function `main':
main_hough_transform.cpp:(.text.startup+0x1af): undefined reference to `nvxio::OptionHandler::string(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >*)'
main_hough_transform.cpp:(.text.startup+0x25c): undefined reference to `nvxio::OptionHandler::string(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >*)'
main_hough_transform.cpp:(.text.startup+0xf2b): undefined reference to `nvxio::createDefaultFrameSource(_vx_context*, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&)'
main_hough_transform.cpp:(.text.startup+0x1184): undefined reference to `nvxio::createDefaultRender(_vx_context*, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, unsigned int, unsigned int, unsigned int, bool, bool)'
collect2: error: ld returned 1 exit status
Makefile:133: recipe for target '../../bin/x86_64/linux/release/nvx_demo_hough_transform' failed
make[1]: *** [../../bin/x86_64/linux/release/nvx_demo_hough_transform] Error 1
make[1]: Leaving directory '/home/fnlocal/VisionWorks-1.5-Samples/demos/hough_transform'
Makefile:31: recipe for target 'demos/hough_transform/Makefile.pr_build' failed
make: *** [demos/hough_transform/Makefile.pr_build] Error 2
make: *** Waiting for unfinished jobs....
obj/release/main_stereo_matching.o: In function `main':
main_stereo_matching.cpp:(.text.startup+0x13d): undefined reference to `nvxio::OptionHandler::string(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >*)'
main_stereo_matching.cpp:(.text.startup+0x1e6): undefined reference to `nvxio::OptionHandler::string(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >*)'
main_stereo_matching.cpp:(.text.startup+0xcf9): undefined reference to `nvxio::createDefaultFrameSource(_vx_context*, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&)'
main_stereo_matching.cpp:(.text.startup+0xdf8): undefined reference to `nvxio::createDefaultRender(_vx_context*, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, unsigned int, unsigned int, unsigned int, bool, bool)'
collect2: error: ld returned 1 exit status
Makefile:133: recipe for target '../../bin/x86_64/linux/release/nvx_demo_stereo_matching' failed
make[1]: *** [../../bin/x86_64/linux/release/nvx_demo_stereo_matching] Error 1
make[1]: Leaving directory '/home/fnlocal/VisionWorks-1.5-Samples/demos/stereo_matching'
obj/release/main_feature_tracker.o: In function `main':
main_feature_tracker.cpp:(.text.startup+0x11b): undefined reference to `nvxio::OptionHandler::string(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >*)'
main_feature_tracker.cpp:(.text.startup+0x1c1): undefined reference to `nvxio::OptionHandler::string(std::__cxx11::basic_string<char, stdMakefile:31: recipe for target 'demos/stereo_matching/Makefile.pr_build' failed
::make: *** [demos/stereo_matching/Makefile.pr_build] Error 2
char_traits<char>, std::allocator<char> >*)'
main_feature_tracker.cpp:(.text.startup+0x28b): undefined reference to `nvxio::OptionHandler::string(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >*)'
main_feature_tracker.cpp:(.text.startup+0xb96): undefined reference to `nvxio::createDefaultFrameSource(_vx_context*, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&)'
main_feature_tracker.cpp:(.text.startup+0xc2d): undefined reference to `nvxio::createDefaultRender(_vx_context*, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, unsigned int, unsigned int, unsigned int, bool, bool)'
main_feature_tracker.cpp:(.text.startup+0xf33): undefined reference to `nvxio::loadImageFromFile(_vx_context*, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, unsigned int)'
collect2: error: ld returned 1 exit status
Makefile:133: recipe for target '../../bin/x86_64/linux/release/nvx_demo_feature_tracker' failed
make[1]: *** [../../bin/x86_64/linux/release/nvx_demo_feature_tracker] Error 1
make[1]: Leaving directory '/home/fnlocal/VisionWorks-1.5-Samples/demos/feature_tracker'
Makefile:31: recipe for target 'demos/feature_tracker/Makefile.pr_build' failed
make: *** [demos/feature_tracker/Makefile.pr_build] Error 2
obj/release/main_video_stabilizer.o: In function `main':
main_video_stabilizer.cpp:(.text.startup+0xe7): undefined reference to `nvxio::OptionHandler::string(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >*)'
main_video_stabilizer.cpp:(.text.startup+0x373): undefined reference to `nvxio::createDefaultFrameSource(_vx_context*, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&)'
main_video_stabilizer.cpp:(.text.startup+0x415): undefined reference to `nvxio::createDefaultRender(_vx_context*, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, unsigned int, unsigned int, unsigned int, bool, bool)'
collect2: error: ld returned 1 exit status
Makefile:135: recipe for target '../../bin/x86_64/linux/release/nvx_demo_video_stabilizer' failed
make[1]: *** [../../bin/x86_64/linux/release/nvx_demo_video_stabilizer] Error 1
make[1]: Leaving directory '/home/fnlocal/VisionWorks-1.5-Samples/demos/video_stabilizer'
Makefile:31: recipe for target 'demos/video_stabilizer/Makefile.pr_build' failed
make: *** [demos/video_stabilizer/Makefile.pr_build] Error 2
obj/release/main_motion_estimation.o: In function `main':
main_motion_estimation.cpp:(.text.startup+0x11b): undefined reference to `nvxio::OptionHandler::string(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >*)'
main_motion_estimation.cpp:(.text.startup+0x1c1): undefined reference to `nvxio::OptionHandler::string(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >*)'
main_motion_estimation.cpp:(.text.startup+0x5e3): undefined reference to `nvxio::createDefaultFrameSource(_vx_context*, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&)'
main_motion_estimation.cpp:(.text.startup+0x67e): undefined reference to `nvxio::createDefaultRender(_vx_context*, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, unsigned int, unsigned int, unsigned int, bool, bool)'
collect2: error: ld returned 1 exit status
Makefile:133: recipe for target '../../bin/x86_64/linux/release/nvx_demo_motion_estimation' failed
make[1]: *** [../../bin/x86_64/linux/release/nvx_demo_motion_estimation] Error 1
make[1]: Leaving directory '/home/fnlocal/VisionWorks-1.5-Samples/demos/motion_estimation'
Makefile:31: recipe for target 'demos/motion_estimation/Makefile.pr_build' failed
make: *** [demos/motion_estimation/Makefile.pr_build] Error 2
obj/release/main_feature_tracker_nvxcu.o: In function `main':
main_feature_tracker_nvxcu.cpp:(.text.startup+0x11b): undefined reference to `nvxio::OptionHandler::string(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >*)'
main_feature_tracker_nvxcu.cpp:(.text.startup+0x1c1): undefined reference to `nvxio::OptionHandler::string(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >*)'
main_feature_tracker_nvxcu.cpp:(.text.startup+0x28b): undefined reference to `nvxio::OptionHandler::string(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >*)'
main_feature_tracker_nvxcu.cpp:(.text.startup+0xb63): undefined reference to `nvxcuio::createDefaultFrameSource(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&)'
main_feature_tracker_nvxcu.cpp:(.text.startup+0xbfc): undefined reference to `nvxcuio::createDefaultRender(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, unsigned int, unsigned int, _nvxcu_df_image_e, bool, bool)'
main_feature_tracker_nvxcu.cpp:(.text.startup+0x1628): undefined reference to `nvxcuio::loadImageFromFile(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, _nvxcu_df_image_e)'
collect2: error: ld returned 1 exit status
Makefile:135: recipe for target '../../bin/x86_64/linux/release/nvx_demo_feature_tracker_nvxcu' failed
make[1]: *** [../../bin/x86_64/linux/release/nvx_demo_feature_tracker_nvxcu] Error 1
make[1]: Leaving directory '/home/fnlocal/VisionWorks-1.5-Samples/demos/feature_tracker_nvxcu'
Makefile:31: recipe for target 'demos/feature_tracker_nvxcu/Makefile.pr_build' failed
make: *** [demos/feature_tracker_nvxcu/Makefile.pr_build] Error 2
obj/release/main_object_tracker_nvxcu.o: In function `main':
main_object_tracker_nvxcu.cpp:(.text.startup+0x1ad): undefined reference to `nvxio::OptionHandler::string(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >*)'
main_object_tracker_nvxcu.cpp:(.text.startup+0x408): undefined reference to `nvxcuio::createDefaultFrameSource(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&)'
main_object_tracker_nvxcu.cpp:(.text.startup+0x4da): undefined reference to `nvxcuio::createDefaultRender(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, unsigned int, unsigned int, _nvxcu_df_image_e, bool, bool)'
collect2: error: ld returned 1 exit status
Makefile:135: recipe for target '../../bin/x86_64/linux/release/nvx_sample_object_tracker_nvxcu' failed
make[1]: *** [../../bin/x86_64/linux/release/nvx_sample_object_tracker_nvxcu] Error 1
make[1]: Leaving directory '/home/fnlocal/VisionWorks-1.5-Samples/samples/object_tracker_nvxcu'
Makefile:31: recipe for target 'samples/object_tracker_nvxcu/Makefile.pr_build' failed
make: *** [samples/object_tracker_nvxcu/Makefile.pr_build] Error 2
obj/release/main_opencv_npp_interop.o: In function `main':
main_opencv_npp_interop.cpp:(.text.startup+0x11b): undefined reference to `nvxio::OptionHandler::string(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >*)'
main_opencv_npp_interop.cpp:(.text.startup+0x1be): undefined reference to `nvxio::OptionHandler::string(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >*)'
main_opencv_npp_interop.cpp:(.text.startup+0x891): undefined reference to `nvxio::createDefaultRender(_vx_context*, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, unsigned int, unsigned int, unsigned int, bool, bool)'
collect2: error: ld returned 1 exit status
Makefile:145: recipe for target '../../bin/x86_64/linux/release/nvx_sample_opencv_npp_interop' failed
make[1]: *** [../../bin/x86_64/linux/release/nvx_sample_opencv_npp_interop] Error 1
make[1]: Leaving directory '/home/fnlocal/VisionWorks-1.5-Samples/samples/opencv_npp_interop'
Makefile:31: recipe for target 'samples/opencv_npp_interop/Makefile.pr_build' failed
make: *** [samples/opencv_npp_interop/Makefile.pr_build] Error 2
What should I do?
Thanks for your help