Install libqt5pas-dev by entering the following commands in the terminal:
sudo apt update sudo apt install libqt5pas-dev
Description:
Development files for Qt5Pas
Provides interface for Pascal applications to the Qt5 C++ libraries. This binding does not cover the whole Qt5 framework, it just contains all classes needed to use Qt as a widgetset. . This package contains files needed to develop Qt5 based applications with Pascal.
Homepage: http://users.telenet.be/Jan.Van.hijfte/qtforfpc/fpcqt4.html
Version: 2.6~beta-4
Section: universe/libdevel