Install libqt5xdgiconloader-dev by entering the following commands in the terminal:
sudo apt update sudo apt install libqt5xdgiconloader-dev
Description:
Development files for libqtxdgiconloader
This library implements the backend to load icons which are handled according to the XDG Icon Theme Specification in Qt. It is part of LXQt. . This package provides development files.
Homepage: https://github.com/lxde/libqtxdg
Version: 3.1.0-5build2
Section: universe/libdevel