使用命令 sudo apt-get install qtbase5-dev qtchooser qt5-qmake qtbase5-dev-tools qtbase5-examples qt5-doc qtbase5-doc-html 安装qt5时
显示
Some packages could not be installed. This may mean that you have
requested an impossible situation or if you are using the unstable
distribution that some required packages have not yet been created
or been moved out of Incoming.
The following information may help to resolve the situation:
The following packages have unmet dependencies:
qtbase5-dev : Depends: libegl-dev
E: Unable to correct problems, you have held broken packages.