cmake .. \ -DCMAKE_TOOLCHAIN_FILE=/home/jiahang/Android/Sdk/ndk/android-ndk-r20b/build/cmake/android.toolchain.cmake \ -DANDROID_NDK=/home/jiahang/Android/Sdk/ndk/android-ndk-r20b \ -DANDROID_NATIVE_API_LEVEL=android-21 \ -DBUILD_JAVA=OFF \ -DBUILD_ANDROID_EXAMPLES=OFF \ -DBUILD_ANDROID_PROJECTS=OFF \ -DANDROID_STL=c++_shared \ -DBUILD_SHARED_LIBS=ON \ -DCMAKE_INSTALL_PREFIX:PATH=/home/jiahang/Desktop/absolute/opencv/android_build/out \ -DANDROID_ABI=arm64-v8a
上面的不好用,再试下面的:
/home/jiahang/Android/Sdk/cmake/3.10.2.4988404/bin/cmake \ -DCMAKE_BUILD_WITH_INSTALL_RPATH=ON \ -DCMAKE_TOOLCHAIN_FILE="/home/jiahang/Android/Sdk/ndk/android-ndk-r20b/build/cmake/android.toolchain.cmake" \ -DANDROID_SDK_ROOT="/home/jiahang/Android/Sdk" \ -DANDROID_NDK="/home/jiahang/Android/Sdk/ndk/android-ndk-r20b" \ -DANDROID_NATIVE_API_LEVEL=android-21 \ -DANDROID_ABI="arm64-v8a" \ -D WITH_CUDA=OFF \ -D WITH_MATLAB=OFF \ -D BUILD_ANDROID_EXAMPLES=OFF \ -D BUILD_DOCS=OFF \ -D BUILD_PERF_TESTS=OFF \ -D BUILD_TESTS=OFF \ -DCMAKE_INSTALL_PREFIX="android_opencv" \ ..
make -j12
发现sdk有问题:
解决:
在opencv_android中建立local.properties文件,写入:
sdk.dir = /home/jiahang/Android/Sdk
发现NDK有问题:
解决:
配置环境变量:
sudo vim ~/.bashrc
末尾写入:
export ANDROID_NDK_HOME=/home/jiahang/Android/Sdk/ndk/android-ndk-r20b
然后:
source ~/.bashrc
最后
make install
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