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manjaro linux原始碼安裝opencv4.5

1、由於學習需要,需要安裝opencv4.5,只能原始碼安裝,環境為manjaro linux, 2020年11月2日最新升級到testing版本

2、下載檔案:git clone https://github.com/opencv/opencv.git或者https://github.com/opencv/opencv/archive/4.5.0.zip壓縮包都可以,如果時zip檔案,記得先解壓

  可能要安裝依賴:

  FFmpeg-4.3.1, gst-plugins-base-1.18.1, GTK+-3.24.23, JasPer-2.0.14, libjpeg-turbo-2.0.5, libpng-1.6.37, LibTIFF-4.1.0, libwebp-1.1.0, v4l-utils-1.20.0, and xine-lib-1.2.10 apache-ant-1.10.9, Doxygen-1.8.20, Java-14.0.1, Python-2.7.18, Cuda, Eigen, OpenEXR, GCD, GDAL, GigEVisionSDK, JACK, libdc1394, libgphoto2, NumPy, OpenNI, PlanetUML, PvAPI, Threading Building Blocks (TBB), UniCap, VTK - The Visualization Toolkit, and XIMEA

3、進入下載或解壓後的目錄,例如:cd ~/opencv4.5, 新建目錄build編譯目錄,進入編譯目錄:cd build

4、cmake -DCMAKE_EXE_LINKER_FLAGS=-lcblas -DCMAKE_BUILD_TYPE=Release -DOPENCV_GENERATE_PKGCONFIG=ON -DCMAKE_INSTALL_PREFIX=/usr/local .. 很快就會生成cmake檔案

5、編譯安裝:

  make -j8

  sudo make install

6、配置: