OpenCV 빌드 정보 확인하기OpenCV/OpenCV 강좌2023. 10. 14. 07:49@webnautes

Table of Contents

Ubuntu에서 C++과 Python을 위해 빌드된 OpenCV의 빌드 정보를 확인하는 방법을 다룹니다.

윈도우에서도 동일한 코드로 확인이 가능합니다.

2023. 1. 9 최초작성

Python

$ python3

Python 3.10.6 (main, Nov 14 2022, 16:10:14) [GCC 11.3.0] on linux

Type "help", "copyright", "credits" or "license" for more information.

>>> import cv2

>>> print(cv2.getBuildInformation())

General configuration for OpenCV 4.6.0 =====================================

Version control: unknown

Extra modules:

Location (extra): /home/webnautes/opencv-sources/opencv_contrib-4.6.0/modules

Version control (extra): unknown

Platform:

Timestamp: 2022-12-18T00:30:09Z

Host: Linux 5.15.0-56-generic x86_64

CMake: 3.22.1

CMake generator: Unix Makefiles

CMake build tool: /usr/bin/gmake

Configuration: RELEASE

CPU/HW features:

Baseline: SSE SSE2 SSE3

requested: SSE3

Dispatched code generation: SSE4_1 SSE4_2 FP16 AVX AVX2 AVX512_SKX

requested: SSE4_1 SSE4_2 AVX FP16 AVX2 AVX512_SKX

SSE4_1 (16 files): + SSSE3 SSE4_1

SSE4_2 (1 files): + SSSE3 SSE4_1 POPCNT SSE4_2

FP16 (0 files): + SSSE3 SSE4_1 POPCNT SSE4_2 FP16 AVX

AVX (4 files): + SSSE3 SSE4_1 POPCNT SSE4_2 AVX

AVX2 (31 files): + SSSE3 SSE4_1 POPCNT SSE4_2 FP16 FMA3 AVX AVX2

AVX512_SKX (5 files): + SSSE3 SSE4_1 POPCNT SSE4_2 FP16 FMA3 AVX AVX2 AVX_512F AVX512_COMMON AVX512_SKX

C/C++:

Built as dynamic libs?: YES

C++ standard: 11

C++ Compiler: /usr/bin/c++ (ver 11.3.0)

C++ flags (Release): -fsigned-char -ffast-math -W -Wall -Wreturn-type -Wnon-virtual-dtor -Waddress -Wsequence-point -Wformat -Wformat-security -Wmissing-declarations -Wundef -Winit-self -Wpointer-arith -Wshadow -Wsign-promo -Wuninitialized -Wsuggest-override -Wno-delete-non-virtual-dtor -Wno-comment -Wimplicit-fallthrough=3 -Wno-strict-overflow -fdiagnostics-show-option -Wno-long-long -pthread -fomit-frame-pointer -ffunction-sections -fdata-sections -msse -msse2 -msse3 -fvisibility=hidden -fvisibility-inlines-hidden -O3 -DNDEBUG -DNDEBUG

C++ flags (Debug): -fsigned-char -ffast-math -W -Wall -Wreturn-type -Wnon-virtual-dtor -Waddress -Wsequence-point -Wformat -Wformat-security -Wmissing-declarations -Wundef -Winit-self -Wpointer-arith -Wshadow -Wsign-promo -Wuninitialized -Wsuggest-override -Wno-delete-non-virtual-dtor -Wno-comment -Wimplicit-fallthrough=3 -Wno-strict-overflow -fdiagnostics-show-option -Wno-long-long -pthread -fomit-frame-pointer -ffunction-sections -fdata-sections -msse -msse2 -msse3 -fvisibility=hidden -fvisibility-inlines-hidden -g -O0 -DDEBUG -D_DEBUG

C Compiler: /usr/bin/cc

C flags (Release): -fsigned-char -ffast-math -W -Wall -Wreturn-type -Waddress -Wsequence-point -Wformat -Wformat-security -Wmissing-declarations -Wmissing-prototypes -Wstrict-prototypes -Wundef -Winit-self -Wpointer-arith -Wshadow -Wuninitialized -Wno-comment -Wimplicit-fallthrough=3 -Wno-strict-overflow -fdiagnostics-show-option -Wno-long-long -pthread -fomit-frame-pointer -ffunction-sections -fdata-sections -msse -msse2 -msse3 -fvisibility=hidden -O3 -DNDEBUG -DNDEBUG

C flags (Debug): -fsigned-char -ffast-math -W -Wall -Wreturn-type -Waddress -Wsequence-point -Wformat -Wformat-security -Wmissing-declarations -Wmissing-prototypes -Wstrict-prototypes -Wundef -Winit-self -Wpointer-arith -Wshadow -Wuninitialized -Wno-comment -Wimplicit-fallthrough=3 -Wno-strict-overflow -fdiagnostics-show-option -Wno-long-long -pthread -fomit-frame-pointer -ffunction-sections -fdata-sections -msse -msse2 -msse3 -fvisibility=hidden -g -O0 -DDEBUG -D_DEBUG

Linker flags (Release): -Wl,--gc-sections -Wl,--as-needed -Wl,--no-undefined

Linker flags (Debug): -Wl,--gc-sections -Wl,--as-needed -Wl,--no-undefined

ccache: NO

Precompiled headers: NO

Extra dependencies: m pthread cudart_static dl rt nppc nppial nppicc nppidei nppif nppig nppim nppist nppisu nppitc npps cublas cudnn cufft -L/usr/local/cuda/lib64 -L/usr/lib/x86_64-linux-gnu

3rdparty dependencies:

OpenCV modules:

To be built: alphamat aruco barcode bgsegm bioinspired calib3d ccalib core cudaarithm cudabgsegm cudacodec cudafeatures2d cudafilters cudaimgproc cudalegacy cudaobjdetect cudaoptflow cudastereo cudawarping cudev datasets dnn dnn_objdetect dnn_superres dpm face features2d flann freetype fuzzy gapi hfs highgui img_hash imgcodecs imgproc intensity_transform line_descriptor mcc ml objdetect optflow phase_unwrapping photo plot python3 quality rapid reg rgbd saliency shape stereo stitching structured_light superres surface_matching text tracking video videoio videostab wechat_qrcode xfeatures2d ximgproc xobjdetect xphoto

Disabled: world

Disabled by dependency: -

Unavailable: cvv hdf java julia matlab ovis python2 sfm ts viz

Applications: apps

Documentation: NO

Non-free algorithms: YES

GUI: GTK3

GTK+: YES (ver 3.24.33)

GThread : YES (ver 2.72.4)

GtkGlExt: NO

OpenGL support: NO

VTK support: NO

Media I/O:

ZLib: /usr/lib/x86_64-linux-gnu/libz.so (ver 1.2.11)

JPEG: /usr/lib/x86_64-linux-gnu/libjpeg.so (ver 80)

WEBP: build (ver encoder: 0x020f)

PNG: /usr/lib/x86_64-linux-gnu/libpng.so (ver 1.6.37)

TIFF: /usr/lib/x86_64-linux-gnu/libtiff.so (ver 42 / 4.3.0)

JPEG 2000: build (ver 2.4.0)

OpenEXR: build (ver 2.3.0)

HDR: YES

SUNRASTER: YES

PXM: YES

PFM: YES

Video I/O:

FFMPEG: YES

avcodec: YES (58.134.100)

avformat: YES (58.76.100)

avutil: YES (56.70.100)

swscale: YES (5.9.100)

avresample: NO

GStreamer: YES (1.20.3)

v4l/v4l2: YES (linux/videodev2.h)

Parallel framework: pthreads

Trace: YES (with Intel ITT)

Other third-party libraries:

VA: NO

Lapack: NO

Eigen: YES (ver 3.4.0)

Custom HAL: NO

Protobuf: build (3.19.1)

NVIDIA CUDA: YES (ver 11.8, CUFFT CUBLAS NVCUVID FAST_MATH)

NVIDIA GPU arch: 75

NVIDIA PTX archs: 75

cuDNN: YES (ver 8.7.0)

OpenCL: YES (no extra features)

Include path: /home/webnautes/opencv-sources/opencv-4.6.0/3rdparty/include/opencl/1.2

Link libraries: Dynamic load

Python 3:

Interpreter: /usr/bin/python3 (ver 3.10.6)

Libraries: /usr/lib/x86_64-linux-gnu/libpython3.10.so (ver 3.10.6)

numpy: /home/webnautes/.local/lib/python3.10/site-packages/numpy/core/include (ver 1.23.5)

install path: /usr/local/lib/python3.10/dist-packages

Python (for build): /usr/bin/python3

Install to: /usr/local

-----------------------------------------------------------------

C++

test.cpp

#include <opencv2/opencv.hpp>

using namespace cv;
using namespace std;

int main()
{
cout << getBuildInformation() << endl;

return 0;
}

$ g++ test.cpp -o test `pkg-config opencv4 --libs --cflags`

$ ./test