mozart2-gtk3 is a low-level wrapper of the GTK+3 libraries for the Mozart/Oz platform 2.0. This project provides C-style API to the following modules: cairo Building mozart2-gtk3 You need to have the following packages installed: clang ≥3.1, including the development headers. cairo ≥1.12, including the development headers. Python ≥3.2. Mozart 2.0 VM ≥8ed4981, and is already built. Mozart 2.0 bootstrap compiler ≥6bff6fd, and is already built.