Ubuntu从源代码编译安装QT

1. 下载源码

wget https://download.qt.io/official_releases/qt/5.15/5.15.2/single/qt-everywhere-src-5.15.2.tar.xz
tar xf qt-everywhere-src-5.15.2.tar.xz
cd qt-everywhere-src-5.15.2

2. 安装依赖库

sudo apt update
sudo apt install build-essential libgl1-mesa-dev libx11-dev libxext-dev libxfixes-dev libxi-dev libxrender-dev libxcb1-dev libx11-xcb-dev libxcb-glx0-dev libfontconfig1-dev libfreetype6-dev libfreetype6 libxcursor-dev libxinerama-dev libxrandr-dev libxss-dev libnss3-dev libxcrypt-dev libcap-dev libxcursor-dev libxdamage-dev libxcomposite-dev libglu1-mesa-dev libgcrypt20-dev libudev-dev libpci-dev libssl-dev mesa-common-dev

3. 编译安装

./configure -prefix /opt/qt5.15.2 -release -opensource -confirm-license
make -j$(nproc)
sudo make install
export PATH=/opt/qt5.15.2/bin:$PATH