get latest 2.3+ series, uses gtkmm2... https://github.com/solvespace/solvespace/tree/2.x patch fix i965 rendering issues: https://patchwork.freedesktop.org/patch/254393/ um, think this needs to be applied to mesa... https://cgit.freedesktop.org/mesa/mesa/commit/?id=c20ba1be1843d035f36e9794bee7aea9abfc2f8b https://packages.debian.org/sid/solvespace get latest v2.3: # git clone https://github.com/solvespace/solvespace.git --single-branch --branch 2.x --depth 1