jnulzl/opencv_cross_compile.md

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opencv cross compile

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opencv_cross_compile.md

opencv cross compile

opencv mini lib(only include "core highgui imgcodecs imgproc video videoio")

## CMAKE_TOOLCHAIN_FILE from https://github.com/Tencent/ncnn/tree/master/toolchains
cmake ../ -DCMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX=./opencv_mini \     
    -DCMAKE_TOOLCHAIN_FILE=$NCNN_ROOT/toolchains/arm-linux-gnueabihf.toolchain.cmake \
    -DBUILD_JPEG=ON -DBUILD_TIFF=ON -DBUILD_PNG=ON -DBUILD_ZLIB=ON \
    -DBUILD_opencv_calib3d=OFF -DBUILD_opencv_features2d=OFF -DBUILD_opencv_flann=OFF \
    -DBUILD_opencv_photo=OFF -DBUILD_opencv_dnn=OFF -DBUILD_opencv_ml=OFF -DBUILD_opencv_shape=OFF \
    -DBUILD_opencv_superres=OFF -DBUILD_opencv_ts=OFF 

make VERBOSE=1 -j8

make VERBOSE=1 -j8 install

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