Qt 错误集锦

1.This application failed to start because it could not find or load the Qt platform plugin "linuxfb"

1.将编译好的QT /opt/Qt5.6 拷贝到开发板上

2.新建脚本Qt5.6_configure.sh，添加以下内容，再source Qt5.6_configure.sh

export QTDIR=/opt/QT5.5

export QT_QPA_FONTDIR=$QTDIR/lib/fonts

export QT_QPA_PLATFORM_PLUGIN_PATH=$QTDIR/plugins/

export LD_LIBRARY_PATH=$QTDIR/lib:$LD_LIBRARY_PATH export QT_QPA_PLATFORM=linuxfb:fb=/dev/fb0

参考：https://www.cnblogs.com/tracing/p/4982296.html

2.QT编译错误 qibus

重新解压或下载Qt源文件，再编译