Ubuntu16.04安装Qt5.12.2

第一步：下载文件

https://download.qt.io/official_releases/qt/5.12/5.12.2/

第二步：安装依赖库

sudo apt-get install build-essential
sudo apt-get install libqt4dev
sudo apt-get install g++
sudo apt-get install libx11-dev libxext-dev libxtst-dev
sudo apt-get install xlibmesa-gl-dev libglu1-mesa-dev

第三步：安装qt

./qt-opensource-linux-x64-5.12.2.run

一路next即可，注册账号的步骤可跳过

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