1、编译交叉工具链
https://blog.csdn.net/pandazhu/article/details/693930
2、ARM官方提供的工具链下载地址
https://releases.linaro.org/components/toolchain/binaries/
3、qt三维图形渲染opanGL
https://www.cnblogs.com/lsgxeva/p/7822845.html
