Error: Program "/ndk-build.cmd" is not found in PATH

提示找不到 ndk-build.cmd ,求助!

**** Build of configuration Default for project OpenCV Tutorial 4 - CUDA ****
\ndk-build.cmd 
Cannot run program "\ndk-build.cmd": Launching failed

Error: Program "/ndk-build.cmd" is not found in PATH工具

今天作OpenCV 导入例子项目的时候,总是提示 以上错误,通过一番查找,懒得讲了,直接贴图,大概就是开发工具没有配置NDK中的ndk-build.cmd路径,对照图片配置便可post