1 Answer. http://www.mathworks.com/help/matlab/matlab_external/upgrading-mex-files-to-use-64-bit-api.html.. Makefile:138: recipe for target 'all' failed Makefile:140: recipe for target 'all' failed Sign in Did neanderthals need vitamin C from the diet? opencv 3.0.0 Installation instructions for bloodshed Dev CPP. While this is not portable, (using cmake would do the trick, but you'd need to learn cmake first), I'll give you a hint how you can discover this yourself. Thanks for contributing an answer to Stack Overflow! Hi, I am getting this error when I run "catkin_make_isolated." Gflags found = TRUE undefined reference to `cv::Mat::updateContinuityFlag()'. I did not link this shared library's target against all depended libraries. I don't know why it shows two Mat's. -- Found installed version of Eigen: /usr/lib/cmake/eigen3 -- Found required Ceres dependency: Eigen version 3.2.92 in /usr/include/eigen3 Have a question about this project? cd ~/catkin_ws/ Finished <<< voxblox [ 0.5 seconds ] The undefined reference is one of the predefined errors from the functions and it is used to call whenever the format of the method linked not correctly to the object creation of the codes. Help us identify new roles for community members, Proposing a Community-Specific Closure Reason for non-English content, Undefined Reference to cv::Mat::Mat when Compiling OpenCV in C++. -- Using PYTHON_EXECUTABLE: /usr/bin/python We do not currently allow content pasted from ChatGPT on Stack Overflow; read our policy here. Put decoded base64 data into cv::Mat variable. You can fix undefined reference in C++ by investigating the linker error messages and then providing the missing definition for the given symbols. Falling back to DejaVu Sans. -- OpenCV version: 3.3.1 Abandoned <<< kimera_semantics_ros [ Unrelated job failed ] ==> cd /home/blingshock/me8287_ws/build_isolated/handeye_calib_camodocal && /home/blingshock/me8287_ws/devel_isolated/ceres-solver/env.sh make -j4 -l4. The text was updated successfully, but these errors were encountered: -- Using CATKIN_TEST_RESULTS_DIR: /home/blingshock/me8287_ws/build_isolated/handeye_calib_camodocal/test_results Errors << pointcloud_recolor:make /home/parallels/catkin_ws/logs/pointcloud_recolor/build.make.012.log To learn more, see our tips on writing great answers. (3.4.5 is the version of OpenCV I installed.). #include <cudnn.h> #include <cassert> #include <cstdlib> #include <iostream> #include <opencv2/opencv.hpp> cv::Mat load_image(const char* image_path){ cv::Mat image = cv::imread(image_path); image.convertTo(image, CV_32FC3); cv::normalize(image, image, 0, 1, cv::NORM_MINMAX); return image . undefined reference to `cv::Mat:deallocate ()' when I compile using g++ Full code: #include <opencv2/opencv.hpp> using namespace cv; int main (int argc, char** argv) { // Read the image file Mat image = imread ("/path/to/image.jpg"); return 0; } as taken from this tutorial document. Undefined Reference to cv::Mat::Mat when Compiling OpenCV in C++. - zkoza Apr 8 at 15:22 Also, you #include opencv2, but link against opencv4. -- Generating done [build] Failed: 1 packages failed. -- Using CATKIN_ENABLE_TESTING: ON Command '['/home/blingshock/me8287_ws/devel_isolated/ceres-solver/env.sh', 'make', '-j4', '-l4']' returned non-zero exit status 2, Reproduce this error by running: make: ** [.build_release/examples/cpp_classification/classification.bin] Error 1, Weird updateContinuityflag is defined in opencv>=3.4.2 but not in opencv 3.3.1 The text was updated successfully, but these errors were encountered: HI, I am getting same erroras shown below: CMakeFiles/handeye_calib_camodocal.dir/src/handeye_calibration.cpp.o: In function cv::Mat::Mat(int, int, int, void*, unsigned long)': handeye_calibration.cpp:(.text._ZN2cv3MatC2EiiiPvm[_ZN2cv3MatC5EiiiPvm]+0x2a1): undefined reference to cv::Mat::updateContinuityFlag()'. -- Using empy: /usr/bin/empy What is wrong in this inner product proof? Why does the USA not have a constitutional court? That library has 3rd parties dependencies such as OpenCV. New to opencv and opensource environments. A little experimentation seems to show that changing your link command to the following fixes your problem: target_link_libraries (listener $ {catkin_LIBRARIES} $ {OpenCV_LIBRARIES}) Site design / logo 2022 Stack Exchange Inc; user contributions licensed under CC BY-SA. classification.cpp:(.text+0x1fe0): undefined reference to 'cv::Mat::updateContinuityFlag()' Changing part of image doesnt effect orjinal image OpenCV 2.4.11 C++ [closed] [build] Summary: 40 of 46 packages succeeded. What do you get when you type opencv_version in the same terminal you called catkin build? * or libopencv_mat.*. Whenever you see an error like Undefined reference to cv::Mat::Mat(), go to the documentation at https://docs.opencv.org/ , chose the newest version (here: https://docs.opencv.org/4.5.5/ ), enter, in the "search" window, the name of a class/function the linker cannot find (here: Mat), read the header that defines it (here: #include), then the missing library will have the name libopencv_core. make[2]: *** [/home/parallels/catkin_ws/devel/lib/pointcloud_recolor/pointcloud_recolor] Error 1 Why is Singapore currently considered to be a dictatorial regime and a multi-party democracy by different publications? What we are missing here is that the pointcloud_recolor package should depend on opencv3_catkin Yet it depends on opencv2! -- Configuring done The text was updated successfully, but these errors were encountered: The livox_laserMapping miss linked to Opencv library just appened the ${OpenCV_LIBS} to the target_link_libraries,liked below: Hi, By default it is 4.1.1. What is an undefined reference/unresolved external symbol error and how do I fix it? This topic has been deleted. -- Found gtest sources under '/usr/src/gmock': gtests will be built There was a problem with CMakeLists.txt. updated Sep 22 '17 I am getting undefined references to cv::. I am trying to compile MXnet with makefile. Asking for help, clarification, or responding to other answers. (Email: learnzhaoshang@gmail.com). What are the differences between a pointer variable and a reference variable? undefined reference to `cv::Mat::updateContinuityFlag()' error. catkin init, echo 'source ~/catkin_ws/devel/setup.bash' >> ~/.bashrc, cd ~/catkin_ws/src Abandoned <<< voxblox_rviz_plugin [ Unrelated job failed ] Note that not all linker errors are undefined references, and the same programmer error does not cause all undefined reference errors. I understand that include files are opencv >=3.4.2 but lib are <3.4.2. By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. GitHub MIT-SPARK / Kimera-Semantics Public Notifications Fork 116 Star 516 Code Issues 21 Pull requests 1 Actions Projects Security Insights New issue undefined reference to `cv::Mat::updateContinuityFlag ()' #1 Closed and the opencv version that catkin_make found: I guess this error is caused by a version mismatch. rev2022.12.11.43106. [build] Warnings: 2 packages succeeded with warnings. And yeah it should be. I am able to link the libraries to Qt and it is able to read the header files without any issues. ==> Building with env: '/home/blingshock/me8287_ws/devel_isolated/ceres-solver/env.sh' Connect and share knowledge within a single location that is structured and easy to search. I recently built OpenCV 4.2.0 on my XNX and i am trying to use it in a CUDA-C++ file as shown below. - zkoza Apr 8 at 15:25 By clicking Sign up for GitHub, you agree to our terms of service and git clone git@github.com:MIT-SPARK/Kimera-VIO-ROS.git, wstool merge Kimera-VIO-ROS/install/kimera_ros_ssh.rosinstall, cd ~/catkin_ws/ Otw just change in the package.xml of pointcloud_recolor the build depend on opencv2 to opencv3_catkin. Mathematica cannot find square roots of some matrices? Well occasionally send you account related emails. Sign in Making statements based on opinion; back them up with references or personal experience. But the errors undefined reference to cv::_InputArray::_InputArray(cv::Mat const&) & undefined reference to cv . I made a simple c++ code that reads the webcam image and display it. ubuntu opencv undefined referece to ` cv ::imread ()` TaylorMei 1053 Sign up for a free GitHub account to open an issue and contact its maintainers and the community. https://answers.opencv.org/question/198488/undefined-reference-to-cvmatupdatecontinuityflag/, https://github.com/ethz-asl/opencv3_catkin.git. [build] Runtime: 17.3 seconds total. Do you have a system wide installation of opencv? Examination of the wiki entry for the vision_opencv package shows that you also need to add the variable "$ {OpenCV_LIBRARIES}" to the target_link_libraries entry. Sign up for a free GitHub account to open an issue and contact its maintainers and the community. In the above codes, we have function name () that function is declared using some arguments but in the main method, the function is called without arguments . CMakeFiles/Makefile2:1091: recipe for target 'CMakeFiles/handeye_calib_camodocal.dir/all' failed Not the answer you're looking for? inside /user/lib) and link it, omitting the extension and the beginning lib in the name. Well occasionally send you account related emails. Add a new light switch in line with another switch? Why would Henry want to close the breach? undefined reference to ` cv :: Mat :: updateContinuityFlag ()' OpenCV CMakeLists.txt OpenCV OpenCV find_package ( OpenCV 3.4.5 REQUIRED) . You use it at least in the line cv::Mat img;. Already on GitHub? You signed in with another tab or window. . git clone git@github.com:MIT-SPARK/Kimera-Semantics.git, wstool merge Kimera-Semantics/kimera/install/kimera_semantics_ssh.rosinstall. (it's a different compiler) there are no more prebuild mingw libs for opencv, so, before doing anything else, you will have to build the opencv libs locally using cmake. Ready to optimize your JavaScript with Rust? -- Found Ceres version: 1.14.0 installed in: /home/blingshock/me8287_ws/devel_isolated/ceres-solver with components: [EigenSparse, SparseLinearAlgebraLibrary, LAPACK, SuiteSparse, CXSparse, SchurSpecializations, OpenMP, Multithreading] UbuntuOpenCVC++ ``` face_detection.cpp:(.text -- defined HAVE_OPENCV3 /usr/local/include/opencv2/core/mat.inl.hpp:521: undefined reference to `cv::Mat::updateContinuityFlag()' loam_livox/CMakeFiles/livox_laserMapping.dir/build.make:439: recipe for target '/home/pmj/catkin_ws/devel/lib/loam_livox/livox_laserMapping' failed E-learn.cn | ICP2021010369-1 | ICP2021010369-1 Learn how to automatize this, e.g. Opencv3.2 is pre-installed on my linux system, but other people say that this version is missing this functioncv::Mat::updateContinuityFlag(). Would it be possible, given current technology, ten years, and an infinite amount of money, to construct a 7,000 foot (2200 meter) aircraft carrier? Undefined Reference to cv::Mat::updateContinuityFlag(), Creative Commons Attribution Share Alike 3.0. CMakeFiles/handeye_calib_camodocal.dir/src/handeye_calibration.cpp.o: In function cv::Mat::Mat(int, int, int, void*, unsigned long)': handeye_calibration.cpp:(.text._ZN2cv3MatC2EiiiPvm[_ZN2cv3MatC5EiiiPvm]+0x2a1): undefined reference to cv::Mat::updateContinuityFlag()' -- Found installed version of glog: /usr/local/lib/cmake/glog Sign in make: *** [all] Error 2 Undefined reference to cv::Mat::Mat () Asked 7 months ago 1 3 answers This works on my Linux: g++ main.cpp - I /usr/include/opencv4/ -lopencv_core -lopencv_videoio -lopencv_highgui While this is not portable, (using cmake would do the trick, but you'd need to learn cmake first), I'll give you a hint how you can discover this yourself. CMakeFiles/pointcloud_recolor.dir/src/pointcloud_recolor.cpp.o: In function PointcloudRecolor::recolorPointcloudWithImage(boost::shared_ptr > const>, boost::shared_ptr > const>)': pointcloud_recolor.cpp:(.text._ZN17PointcloudRecolor26recolorPointcloudWithImageEN5boost10shared_ptrIKN11sensor_msgs6Image_ISaIvEEEEENS1_IKNS2_12PointCloud2_IS4_EEEE[_ZN17PointcloudRecolor26recolorPointcloudWithImageEN5boost10shared_ptrIKN11sensor_msgs6Image_ISaIvEEEEENS1_IKNS2_12PointCloud2_IS4_EEEE]+0x111): undefined reference to cv::Mat::updateContinuityFlag()' How many transistors at minimum do you need to build a general-purpose computer? this looks to be resolved, thanks @zhkai929 ! I added that part to CMakeLists.txt and it started to build and link without any error: I cannot mark my reply as an answer . ==> make -j4 -l4 in '/home/blingshock/me8287_ws/build_isolated/handeye_calib_camodocal' -- Detected glog version: 0.3.5 c++ opencv linker undefined-reference. Installed Opencv using the tutorial on opencv.org except have not set the cmake parameters; instead just ran cmake .. Why doesn't Stockfish announce when it solved a position as a book draw similar to how it announces a forced mate? how to convert image in rectangle into gray?? Save wifi networks and passwords to recover them after reinstall OS, MOSFET is getting very hot at high frequency PWM. CUDA on Visual Studio 2010: To build libraries or not? Languages: C++, Python, Julia, Javascript Homepage: https://opencv.org Q&A forum: https://forum.opencv.org/ Invoking "make -j4 -l4" failed, Then you need to find the remaining libs in the same way. I would recommend cloning in your workspace the opencv3_catkin package to make sure you are using the same opencv version across your packages. via a Makefile, CMakeLists.txt or just a simple bash script. -- Found installed version of gflags: /usr/local/lib/cmake/gflags .build_release/examples/cpp_classification/classification.o: In function 'Classifier::SetMean(std::__cxx11::basic_string, std::allocator > const&)': I'm not that good with Linux, would anyone be able to help me? Failed <<< pointcloud_recolor [ 2.2 seconds ] 2 comments phoemc commented on Mar 26, 2021 CrisGao commented on Apr 20, 2021 2 Author phoemc commented on Apr 20, 2021 phoemc closed this as completed on Apr 20, 2021 phoemc reopened this on Apr 20, 2021 By clicking Sign up for GitHub, you agree to our terms of service and ==> make cmake_check_build_system in '/home/blingshock/me8287_ws/build_isolated/handeye_calib_camodocal' Here is my code: I can't figure out why the error shows up. find_package(OpenCV 3.4.5 REQUIRED). -- Using CMAKE_PREFIX_PATH: /home/blingshock/me8287_ws/devel_isolated/ceres-solver;/opt/ros/kinetic However, one of dependencies of learning_image_transport -- opencv2 cannot be resolved in system dependency. mkdir -p ~/catkin_ws/src make: *** [all] Error 2 -- This workspace overlays: /opt/ros/kinetic collect2: error: ld returned 1 exit status Abandoned <<< voxblox_ros [ Unrelated job failed ] -- Using Debian Python package layout Abandoned <<< kimera_semantics [ Unrelated job failed ] Any help is appreciated! /usr/local/include/opencv2/core/mat.inl.hpp:521: undefined reference to cv::Mat::updateContinuityFlag()' CMakeFiles/livox_laserMapping.dir/source/laser_mapping.cpp.o: In function Maps_keyframe::apply_guassian_blur(Eigen::Matrix const&, int, float)': 2 17 2 error: 'vector' does not name a type / error: expected ',' or '' before '<' token / error: 'vector' has not been declared, Opencv compilation is not working using -lopencv_videoio. It can be used to store real or complex-valued vectors and matrices, grayscale or color images, voxel volumes, vector fields, point clouds, tensors, histograms (though, very high-dimensional histograms may be better stored in a SparseMat ). make[1]: *** [CMakeFiles/handeye_calib_camodocal.dir/all] Error 2 to your account, /usr/include/pcl-1.8/pcl/sample_consensus/model_types.h:99:3: note: declared here [100%] Linking CXX executable /home/pmj/catkin_ws/devel/lib/loam_livox/livox_laserMapping CMakeFiles/livox_laserMapping.dir/source/laser_mapping.cpp.o: In function void cv::eigen2cv(Eigen::Matrix const&, cv::Mat&)': `CXX/LD -o .build_release/examples/cpp_classification/classification.bin By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. In my case the library location, with the full path, is /usr/lib/libopencv_core.so, so I link it with -lopencv_core. to your account. Only users with topic management privileges can see it. <== Failed to process package 'handeye_calib_camodocal': -- Found required Ceres dependency: gflags target_link_libraries(livox_laserMapping ${catkin_LIBRARIES} ${PCL_LIBRARIES} ${CERES_LIBRARIES} ${OpenCV_LIBS}). I tried to link opencv2 but it was throwing an error saying opencv2.pc was not found. find_package(OpenCV REQUIRED) opencv 2.4.11 record 16 bit depth image as video. cv::Mat::Mat () looks like a default (zero-argument) constructor of class Mat embedded in namespace cv. so I modify the CMakeLists.txt file: "cos" [] undefined reference to `cos' 572 2019/6/21 22:36:04 C Linux "cos" Humphrey Corn 697 Beans 1408. You need to link an appropriate OpenCV library to fix this linker error. CMakeFiles/handeye_calib_camodocal.dir/build.make:224: recipe for target '/home/blingshock/me8287_ws/devel_isolated/handeye_calib_camodocal/lib/handeye_calib_camodocal/handeye_calib_camodocal' failed undefined reference to cv:: Undefined Reference to cv::Mat::updateContinuityFlag() We would like to show you a description here but the site wont allow us. find_package(OpenCV 3.4.2 REQUIRED)opencv/usr/local,. [build] Abandoned: 5 packages were abandoned. The Open Source Computer Vision Library has >2500 algorithms, extensive documentation and sample code for real-time computer vision. Have a question about this project? Projects on open. What am I supposed to include to make a boost.python extension? Abandoned <<< kimera_ros [ Unrelated job failed ] make[2]: *** [/home/pmj/catkin_ws/devel/lib/loam_livox/livox_laserMapping] Error 1 Japanese girlfriend visiting me in Canada - questions at border control? [ 33%] Linking CXX executable /home/blingshock/me8287_ws/devel_isolated/handeye_calib_camodocal/lib/handeye_calib_camodocal/handeye_calib_camodocal -- Found gmock sources under '/usr/src/gmock': gmock will be built -- Found installed version of gflags: /usr/local/lib/cmake/gflags please try with latest 3.4.3 instead, (we can also help you better, if you're using the same current version, anyone else uses), Asked: make[2]: *** [/home/blingshock/me8287_ws/devel_isolated/handeye_calib_camodocal/lib/handeye_calib_camodocal/handeye_calib_camodocal] Error 1 By clicking Sign up for GitHub, you agree to our terms of service and Find centralized, trusted content and collaborate around the technologies you use most. ROSundefined reference to `cv::Mat::updateContinuityFlag ()' 2020-07-27 16:01:13 7496 17 catkin_makeROSOpenCV OpenCVCMakeLists.txtOpenCVOpenCV OpenCV ! catkin config --cmake-args -DCMAKE_BUILD_TYPE=Release make: *** [all] Error 2 -- catkin 0.7.14 Glog found = TRUE Finished <<< KimeraVIO [ 2.1 seconds ] change How can you know the sky Rose saw when the Titanic sunk? Makefile:630: recipe for target '.build_release/examples/cpp_classification/classification.bin' failed Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide, Okay so it is a linking issue? To create your library and link to it in CMake you should use: add_library(upd_to_ros SHARED src/upd_to_ros3.cpp)#add the source files for your "external" library code hereadd_executable(imageconv_node src/ros_cpp.cpp )target_link_libraries(imageconv_node upd_to_ros ${catkin_LIBRARIES}) privacy statement. collect2: error: ld returned 1 exit status Defaulting to preferring an installed/exported gflags CMake configuration if available. -- Call enable_testing() It works on Windows, Linux, Mac OS X, Android, iOS in your browser through JavaScript. Already on GitHub? to Sign up for a free GitHub account to open an issue and contact its maintainers and the community. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. ==> Processing catkin package: 'handeye_calib_camodocal' You signed in with another tab or window. Can you try to source your catkin workspace and try to compile again so that the opencv3_catkin is used? classification.cpp:(.text+0x12c4): undefined reference to 'cv::Mat::updateContinuityFlag()' -- Using CATKIN_DEVEL_PREFIX: /home/blingshock/me8287_ws/devel_isolated/handeye_calib_camodocal -- Detected gflags version: 2.2.0 Already on GitHub? to your account, I merged the kimera semantics into kimera-vio-ros and excute "catkin build", this error occurs. may be I'm wrong, 3.3.1 -- that's very old. GLOG = glog::glog [build] Ignored: 1 packages were skipped or are blacklisted. Using openv 3.3 on Ubuntu 16.04. I'm building Caffe from src on ubuntu 16.04LTS on Nvidia Tx2 Jetpack 3.2. The class Mat represents an n-dimensional dense numerical single-channel or multi-channel array. I installed opencv by compiling opencv source, and I found that opencv_core module can be linked by other mex file ( I mex mexResize which needs opencv_core and opencv_imgproc module, and it can work correctly ) for other tasks. -- Build files have been written to: /home/blingshock/me8287_ws/build_isolated/handeye_calib_camodocal -- Found required Ceres dependency: glog make[1]: *** [loam_livox/CMakeFiles/livox_laserMapping.dir/all] Error 2 The text was updated successfully, but these errors were encountered: 1 Weird updateContinuityflag is defined in opencv>=3.4.2 but not in opencv 3.3.1 I understand that include files are opencv >=3.4.2 but lib are <3.4.2. may be I'm wrong LBerger (Aug 31 '18) edit 3.3.1 -- that's very old. Related issue: https://answers.opencv.org/question/198488/undefined-reference-to-cvmatupdatecontinuityflag/, ` -- Using these message generators: gencpp;geneus;genlisp;gennodejs;genpy collect2: error: ld returned 1 exit status I'm have opencv 3.3.1 installed and have set the flag to build with OpenCV 3. privacy statement. CMakeFiles/Makefile2:1523: recipe for target 'loam_livox/CMakeFiles/livox_laserMapping.dir/all' failed However, when I compile, I get the error - 'Undefined reference to cv::Mat::Mat()'. Zorn's lemma: old friend or historical relic? Why was USB 1.0 incredibly slow even for its time? I think I found the issue: privacy statement. It is caused by the problem of the opencv version. My work as a freelance was used in a scientific paper, should I be included as an author? And a user has shared a script to build OpenCV manually: GitHub - mdegans/nano_build_opencv: Build OpenCV on Nvidia Jetson Nano Makefile exists, skipping explicit cmake invocation -- Using Python nosetests: /usr/bin/nosetests-2.7 No Comments on undefined reference to `cv::Mat::~Mat()' | Qt Creator; I wrote a C++ code that takes pixel values from a function and update the 88 matrix. Then I modified the configuration file of cv_bridge and the problem was solvedas followed: undefined reference to `cv::Mat::updateContinuityFlag()'. You signed in with another tab or window. catkin config --merge-devel, cd ~/catkin_ws/src Im away from keyboard now, but feel free to raise a pull request on pointcloud recolor if that solves the issue. What is the highest level 1 persuasion bonus you can have? The text was updated successfully, but these errors were encountered: Which opencv version are you using? catkin config --extend /opt/ros/melodic Thanks anyway! cd /home/parallels/catkin_ws/build/pointcloud_recolor; catkin build --get-env pointcloud_recolor | catkin env -si /usr/bin/make --jobserver-fds=6,7 -j; cd - undefined reference to `cv::imread (std::string const&, int)' in opencv - CUDA Programming and Performance - NVIDIA Developer Forums undefined reference to `cv::imread (std::string const&, int)' in opencv Accelerated Computing CUDA CUDA Programming and Performance Mohamed_cmc March 21, 2017, 7:39am #1 hello everyone -- Detected gflags version: 2.2.0 -- No preference for use of exported gflags CMake configuration set, and no hints for include/library directories provided. Well occasionally send you account related emails. collect2: error: ld returned 1 exit status Undefined reference to static class member. I found the solution for my problem. Find whichever is in your machine (e.g. make[1]: *** [CMakeFiles/pointcloud_recolor.dir/all] Error 2 I am trying to build learning_image_transport from image_transport tutorial on Gumstix Overo which has ros groovy running on linaro.. 2018-08-31 12:59:16 -0500, OpenCV 2.4.2 and trunk: cmake doesn't show CUDA options, Problem with FarnebackOpticalFlow / DeviceInfo, OpenCv Error: GPU API call(out of memory) in copy, file gpumat.cpp, line 1053. .build_release/examples/cpp_classification/classification.o: In function Classifier::WrapInputLayer(std::vector >)': Have a question about this project? In the United States, must state courts follow rulings by federal courts of appeals? Failed << pointcloud_recolor:make [ Exited with code 2 ] Is it correct to say "The glue on the back of the sticker is dying down so I can not stick the sticker to the wall"? please try with latest 3.4.3 instead (we can also help you better, if you're using the same current version, anyone else uses.) then, problem2: you cannot use the vc12 libs with mingw. 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