ubuntu亲测安装opencv和成功解决Makefile:160: recipe for target 'all' failed make: *** [all] Error 2
1.因为项目需要，a56爆大奖在线娱乐安装的是opencv3.0.0，从github上面下载的opencv包 git clone https://github.com/Itseez/opencv.git git clone https://github.com/Itseez/opencv_contrib.git #o
