# OpenCV location? **URL:** \ **Category:** Jetson Nano\ **Tags:** opencv\ **Created:** [November 24, 2020, 3:11pm UTC](https://forums.developer.nvidia.com/t/opencv-location/160313 "2020-11-24T15:11:55Z")\ **Posts on this page:** 3\ **Page:** 1
**Author:** ![i6mods](https://sea2.discourse-cdn.com/nvidia/user_avatar/forums.developer.nvidia.com/i6mods/32/33063_2.png) [@i6mods](https://forums.developer.nvidia.com/u/i6mods)\ **Post date:** [November 24, 2020, 3:11pm UTC](https://forums.developer.nvidia.com/t/opencv-location/160313/1 "2020-11-24T15:11:55Z")
Hi there, i’m trying to understand where the install location is for OpenCV on my Jetson Nano? I’m trying to point a software build to OpenCV before I make it. I looked at: export OpenCV\_DIR=/usr/local/lib but cannot see it at /usr/local/lib Thanks ---
**Author:** ![dusty\_nv](https://sea2.discourse-cdn.com/nvidia/user_avatar/forums.developer.nvidia.com/dusty_nv/32/14043_2.png) [@dusty\_nv](https://forums.developer.nvidia.com/u/dusty_nv)\ **Post date:** [November 24, 2020, 7:58pm UTC](https://forums.developer.nvidia.com/t/opencv-location/160313/2 "2020-11-24T19:58:39Z")
Hi @i6mods, the installed locations for OpenCV are as follows: - `/usr/include/opencv4` (headers) - `/usr/lib/aarch64-linux-gnu/` (libs) - `/usr/share/opencv4` (samples) You can get the build info by running `opencv_version -v` ```bash $ opencv_version -v General configuration for OpenCV 4.1.1 ===================================== Version control: 4.1.1-2-gd5a58aa75 Platform: Timestamp: 2019-12-13T17:25:11Z Host: Linux 4.9.140-tegra aarch64 CMake: 3.10.2 CMake generator: Unix Makefiles CMake build tool: /usr/bin/make Configuration: Release CPU/HW features: Baseline: NEON FP16 required: NEON disabled: VFPV3 C/C++: Built as dynamic libs?: YES C++ Compiler: /usr/bin/c++ (ver 7.4.0) C++ flags (Release): -fsigned-char -W -Wall -Werror=return-type -Werror=non-virtual-dtor -Werror=address -Werror=sequence-point -Wformat -Werror=format-security -Wmissing-declarations -Wundef -Winit-self -Wpointer-arith -Wshadow -Wsign-promo -Wuninitialized -Winit-self -Wsuggest-override -Wno-delete-non-virtual-dtor -Wno-comment -Wimplicit-fallthrough=3 -Wno-strict-overflow -fdiagnostics-show-option -pthread -fomit-frame-pointer -ffunction-sections -fdata-sections -fvisibility=hidden -fvisibility-inlines-hidden -O3 -DNDEBUG -DNDEBUG C++ flags (Debug): -fsigned-char -W -Wall -Werror=return-type -Werror=non-virtual-dtor -Werror=address -Werror=sequence-point -Wformat -Werror=format-security -Wmissing-declarations -Wundef -Winit-self -Wpointer-arith -Wshadow -Wsign-promo -Wuninitialized -Winit-self -Wsuggest-override -Wno-delete-non-virtual-dtor -Wno-comment -Wimplicit-fallthrough=3 -Wno-strict-overflow -fdiagnostics-show-option -pthread -fomit-frame-pointer -ffunction-sections -fdata-sections -fvisibility=hidden -fvisibility-inlines-hidden -g -O0 -DDEBUG -D_DEBUG C Compiler: /usr/bin/cc C flags (Release): -fsigned-char -W -Wall -Werror=return-type -Werror=non-virtual-dtor -Werror=address -Werror=sequence-point -Wformat -Werror=format-security -Wmissing-declarations -Wmissing-prototypes -Wstrict-prototypes -Wundef -Winit-self -Wpointer-arith -Wshadow -Wuninitialized -Winit-self -Wno-comment -Wimplicit-fallthrough=3 -Wno-strict-overflow -fdiagnostics-show-option -pthread -fomit-frame-pointer -ffunction-sections -fdata-sections -fvisibility=hidden -O3 -DNDEBUG -DNDEBUG C flags (Debug): -fsigned-char -W -Wall -Werror=return-type -Werror=non-virtual-dtor -Werror=address -Werror=sequence-point -Wformat -Werror=format-security -Wmissing-declarations -Wmissing-prototypes -Wstrict-prototypes -Wundef -Winit-self -Wpointer-arith -Wshadow -Wuninitialized -Winit-self -Wno-comment -Wimplicit-fallthrough=3 -Wno-strict-overflow -fdiagnostics-show-option -pthread -fomit-frame-pointer -ffunction-sections -fdata-sections -fvisibility=hidden -g -O0 -DDEBUG -D_DEBUG Linker flags (Release): -Wl,--gc-sections Linker flags (Debug): -Wl,--gc-sections ccache: NO Precompiled headers: NO Extra dependencies: dl m pthread rt 3rdparty dependencies: OpenCV modules: To be built: calib3d core dnn features2d flann gapi highgui imgcodecs imgproc ml objdetect photo python2 python3 stitching ts video videoio Disabled: world Disabled by dependency: - Unavailable: java js Applications: tests perf_tests examples apps Documentation: NO Non-free algorithms: NO GUI: GTK+: YES (ver 2.24.32) GThread : YES (ver 2.56.4) GtkGlExt: NO Media I/O: ZLib: /usr/lib/aarch64-linux-gnu/libz.so (ver 1.2.11) JPEG: /usr/lib/aarch64-linux-gnu/libjpeg.so (ver 80) WEBP: build (ver encoder: 0x020e) PNG: /usr/lib/aarch64-linux-gnu/libpng.so (ver 1.6.34) TIFF: /usr/lib/aarch64-linux-gnu/libtiff.so (ver 42 / 4.0.9) JPEG 2000: build (ver 1.900.1) HDR: YES SUNRASTER: YES PXM: YES PFM: YES Video I/O: FFMPEG: YES avcodec: YES (57.107.100) avformat: YES (57.83.100) avutil: YES (55.78.100) swscale: YES (4.8.100) avresample: NO GStreamer: YES (1.14.5) v4l/v4l2: YES (linux/videodev2.h) Parallel framework: TBB (ver 2017.0 interface 9107) Trace: YES (with Intel ITT) Other third-party libraries: Lapack: NO Eigen: YES (ver 3.3.4) Custom HAL: YES (carotene (ver 0.0.1)) Protobuf: build (3.5.1) Python 2: Interpreter: /usr/bin/python2.7 (ver 2.7.15) Libraries: /usr/lib/aarch64-linux-gnu/libpython2.7.so (ver 2.7.15+) numpy: /usr/lib/python2.7/dist-packages/numpy/core/include (ver 1.13.3) install path: lib/python2.7/dist-packages/cv2/python-2.7 Python 3: Interpreter: /usr/bin/python3 (ver 3.6.9) Libraries: /usr/lib/aarch64-linux-gnu/libpython3.6m.so (ver 3.6.9) numpy: /usr/lib/python3/dist-packages/numpy/core/include (ver 1.13.3) install path: lib/python3.6/dist-packages/cv2/python-3.6 Python (for build): /usr/bin/python2.7 Java: ant: NO JNI: NO Java wrappers: NO Java tests: NO Install to: /usr ----------------------------------------------------------------- ``` ---
**Author:** ![nadeemm](https://sea2.discourse-cdn.com/nvidia/user_avatar/forums.developer.nvidia.com/nadeemm/32/367020_2.png) [@nadeemm](https://forums.developer.nvidia.com/u/nadeemm)\ **Post date:** [October 18, 2021, 5:41pm UTC](https://forums.developer.nvidia.com/t/opencv-location/160313/3 "2021-10-18T17:41:44Z")
Closed on October 18, 2021, 5:41pm UTC