JohannGong的博客

新建一个工程测试能否在树莓派（Ubuntu20 64位）上运行，报以下错误：Could not set DRM mode for screen HDMI1 (Permission denied)Could not queue DRM page flip on screen HDMI1 (Permission denied)查资料总结发现可能是qt5的QPA平台问题，因为我的环境变量配置抄的是以下内容：修改环境变量：# 存放我们自己编写的qt程序的路径export PATH=$PATH:/hom

./build-qt时，刚开始就报错，出错内容为：The tslib functionality test failed!You might need to modify the include and library search paths by editingQMAKE_INCDIR and QMAKE_LIBDIR in/home/johann/qt-everywhere-op...