Install libqtgconf-dev by entering the following commands in the terminal:
sudo apt update sudo apt install libqtgconf-dev
Description:
Qt binding and QML plugin for GConf - development files
Simple Qt binding and QML plugin for GConf, written as a thin wrapper on top of libgq-gconf (see http://maemo.org/packages/view/libgq-gconf0/). . This package contains the developer headers for the QT bindings for GConf
Version: 0.1-0ubuntu5
Section: universe/libdevel