Please provide the following info (check/uncheck the boxes after creating this topic): Software Version DRIVE OS Linux 5.2.6 DRIVE OS Linux 5.2.6 and DriveWorks 4.0 DRIVE OS Linux 5.2.0 [*] DRIVE OS Linux 5.2.0 and DriveWorks 3.5 NVIDIA DRIVE™ Software 10.0 (Linux) NVIDIA DRIVE™ Software…

Here is the build error stack trace. error.txt (53.1 KB)

Hi @raji Please always search if any topics in the forum are related to your issue. e.g. Eigen library arm build problem Conflicting declaration ‘typedef __fp16 float16_t’ Thanks.

Hi @VickNV , Thanks for the reference but it doesn’t solve all the issues and also creates different kinds of issues. So could you please provide a working arm_neon.h file which doesn’t throw any error if we include opencv.hpp during cross compilation of an DW application. I’m not able to understa…

Please try disabling arm_neon header file in your applicaiton. Thanks.

Hi @VickNV , The above issues are resolved but now I’m facing linking error. Please advice how to resolve. I’ attaching the build error and CMakeLists.txt. Also the script using which I’m cross-compiling it. build.sh (593 Bytes) CMakeLists.txt (8.0 KB) error.txt (23.0 KB)

Maybe you can check why there is no opencv library directories. OPENCV_LIBRARY_DIRS: Also, if you can sahare back how you resolved the previous issus, it will help other developers encountering them in the future. Thanks.

Hi @VickNV , Thanks for the advice. I was able to rectify this by re-installing OpenCV c++. I changed the below files to rectify the previous issues of referring to arm_neon and neon_utils header: …/opencv2/core/base.hpp …/opencv2/core/cv_cpu_dispatch.hpp In both the files I commented out all r…

[image] raji: undefined reference to cv::Mat::Mat(int, int, int, void*, unsigned long)'` This may be a common issue encountered by OpenCV/CMake developers. Please search if any solution on the internet.

Hi @VickNV , I tried with different configuration in CMakeLists.txt but it didn’t work. Attaching the camera CMakeLists file. CMakeLists.txt (1.8 KB) Also, here is my code in main.cpp where the parameters to the Mat are (int, int, int, uint8_t * ) but the error is showing as undefined reference…

Dear @VickNV , I’ve resolved the previous undefined reference errors by appropriately changing the CMakeLists.txt file of camera application. StackOverflow: c++ - make error: undefined reference to cpp_redis::client::set(..) and cv::Mat::~Mat() - Stack Overflow Attached here for future reference: …

Cross-compiling error while using OpenCV in sample_camera application

Autonomous Vehicles DRIVE AGX Xavier DRIVE AGX Xavier General

VickNV May 20, 2022, 2:28pm 3

Hi @raji

Please always search if any topics in the forum are related to your issue. e.g.

Thanks.

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Cross-compiling error while using OpenCV in sample_camera application

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