WhyCan Forum(哇酷开发者社区)

export TSLIB_TSDEVICE=/dev/input/event1
export TSLIB_CALIBFILE=/etc/pointercal
export TSLIB_CONFFILE=/etc/ts.conf
export TSLIB_PLUGINDIR=/usr/lib/ts
export TSLIB_FBDEVICE=/dev/fb0
export LD_LIBRARY_PATH=/lib:/usr/lib/
export QT_PLUGIN_PATH=/usr/lib/qt/plugins/
export QT_QPA_FONTDIR=/usr/share/fonts/liberation/

记得把buildroot .config 的 BR2_PACKAGE_LIBERATION 编译选项开起来，才会安装字库。