之前在https://blog.csdn.net/fengbingchun/article/details/96430706中編譯過opencv源碼用于海思平臺，這里通過修改腳本編譯opencv 2.4.13.6源碼，使其支持android平臺。

1.?從https://github.com/opencv/opencv/releases下載opencv 2.4.13.6源碼；

2.?調整opencv-2.4.13.6/CMakeLists.txt，在其最前面添加語句：add_definitions(-DANDROID)；

3.?修改后的腳本build.sh內容如下：

#! /bin/bashcmake -G"Unix Makefiles" \-DCMAKE_BUILD_TYPE=RELEASE \-DCMAKE_C_COMPILER=/opt/__android-ndk-r14b/gcc/android-21/android-aarch64/bin/aarch64-linux-android-gcc \-DCMAKE_CXX_COMPILER=/opt/__android-ndk-r14b/gcc/android-21/android-aarch64/bin/aarch64-linux-android-g++ \-DANDROID=ON \-DANDROID_ABI="arm64-v8a" \-DANDROID_ARM_MODE="arm64" \-DANDROID_PLATFORM="android-19" \-DANDROID_TOOLCHAIN="gcc" \-DBUILD_SHARED_LIBS=ON \-DCMAKE_CXX_FLAGS=-fPIC \-DCMAKE_C_FLAGS=-fPIC \-DENABLE_PIC=ON \-DWITH_1394=OFF \-DWITH_ARAVIS=OFF \-DWITH_ARITH_DEC=ON \-DWITH_ARITH_ENC=ON \-DWITH_CLP=OFF \-DWITH_CUBLAS=OFF \-DWITH_CUDA=OFF \-DWITH_CUFFT=OFF \-DWITH_FFMPEG=ON \-DWITH_GSTREAMER=ON \-DWITH_GSTREAMER_0_10=OFF \-DWITH_HALIDE=OFF \-DWITH_HPX=OFF \-DWITH_IMGCODEC_HDR=ON \-DWITH_IMGCODEC_PXM=ON \-DWITH_IMGCODEC_SUNRASTER=ON \-DWITH_INF_ENGINE=OFF \-DWITH_IPP=OFF \-DWITH_ITT=OFF \-DWITH_JASPER=ON \-DWITH_JPEG=ON \-DWITH_PNG=ON \-DWITH_LAPACK=ON \-DWITH_LIBREALSENSE=OFF \-DWITH_NVCUVID=OFF \-DWITH_OPENCL=OFF \-DWITH_OPENCLAMDBLAS=OFF \-DWITH_OPENCLAMDFFT=OFF \-DWITH_OPENCL_SVM=OFF \-DWITH_OPENEXR=OFF \-DWITH_OPENGL=OFF \-DWITH_OPENMP=OFF \-DWITH_OPENNNI=OFF \-DWITH_OPENNNI2=OFF \-DWITH_OPENVX=OFF \-DWITH_PROTOBUF=OFF \-DWITH_PTHREADS_PF=ON \-DWITH_PVAPI=OFF \-DWITH_QT=OFF \-DWITH_QUIRC=OFF \-DWITH_TBB=OFF \-DWITH_TIFF=ON \-DWITH_VULKAN=OFF \-DWITH_WEBP=ON \-DWITH_XIMEA=OFF \-DWITH_GTK=ON \-DINSTALL_C_EXAMPLES=OFF \-DINSTALL_PYTHON_EXAMPLES=OFF \-DBUILD_EXAMPLES=OFF \-DBUILD_TESTS=OFF \-DBUILD_PERF_TESTS=OFF \-DCMAKE_INSTALL_PREFIX=./install \..

4.?終端定位到opencv-2.4.13.6目錄下，依次執行如下命令：

mkdir build
cd build
cp ../build.sh .
./builld.sh
make -j8
make install

執行后的結果如下圖所示：

注意：以上腳本是編譯aarch64，如果編譯armv7,則需對應修改以下幾條語句即可：

-DANDROID_ABI="armeabi-v7a" \
-DANDROID_ARM_MODE="arm" \-DCMAKE_C_COMPILER=/opt/__android-ndk-r14b/gcc/android-21/android-armv7/bin/arm-linux-androideabi-gcc \
-DCMAKE_CXX_COMPILER=/opt/__android-ndk-r14b/gcc/android-21/android-armv7/bin/arm-linux-androideabi-g++ \

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