jeremyletang/rgtk — pull request #111 by buster (2014-10-16 15:49:02+00:00)
Title: Glue use installed gtk

might be the fix for #80 and should get the correct GTK version from pkg-config.
What do you say?
I also added GTK_3_14 to glue.c everywhere where GTK3.12 was defined before, because i have 3.14...