opencv和opencv_contrib arm交叉编译

平台：ubuntu16.04 

工具为：linux-arm-gcc

opencv库：opencv-3.4.1

opencv_contrib库：opencv_contrib-3.4.1（扩展库源码）

首先安装：cmake 和opencv_contrib库

sudo apt-get install cmake
sudo apt-get install cmake-qt-gui

然后后面主要参考下面的博客：

https://blog.csdn.net/qq_30155503/article/details/79983630

交叉编译结果：

主要参考：

https://blog.csdn.net/qq_30155503/article/details/79983630

https://blog.csdn.net/qq_30155503/article/category/7477174