**** BEGIN LOGGING AT Sat Jun 20 02:59:58 2015 Jun 20 18:19:33 I'm trying to upgrade gtk+3 (to 3.16, which now includes an opengl widget), but when I try to launch a gtk+3 application I end up with "Couldn't open libGL.so.1: libGL.so.1: cannot open shared object file: No such file or directory". I assume I just need to add a package, but which one? mesa doesn't seem to do the trickā€¦ **** BEGIN LOGGING AT Sat Jun 20 23:28:01 2015 **** ENDING LOGGING AT Sun Jun 21 02:59:58 2015