kylin aarch64 QT 安装

$:sudo apt install qt5-default qtbase5-private-dev
$:sudo apt install qtcreator

$:sudo apt install libqt5designer5 qttools5-dev
$:sudo apt install libqt5svg5-dev
$:sudo apt install g++

$:sudo apt install libqt5sql5-mysql

#serialport serialbus
$:sudo apt install libqt5serialport5
$:sudo apt install libqt5serialport5-dev

$:sudo apt install libqt5serialbus5
$:sudo apt install libqt5serialbus5-dev

#qml 
$:sudo apt install qtdeclarative5-dev

#multimedia

$:sudo apt install qtmultimedia5-dev

#qchart
$:sudo apt install libqt5char5-dev

error: unknown type name ‘MainWindow‘
新建一个项目也报错，但项目正常运行：
main.cpp:8:5: error: unknown type name 'MainWindow'
main.cpp:7:18: error: variable has incomplete type 'QApplication'
qwindowdefs.h:81:7: note: forward declaration of 'QApplication'
解决：帮助- 关于插件- ClangCodeModel取消勾选 保存重启 不报错了

也可以重新设置编译器