libdbusmenu-gtk3-4 12.10.3+15.04.20150410.2-0ubuntu2 (powerpc binary) in ubuntu xenial

 libdbusmenu passes a menu structure across DBus so that a program can
 create a menu simply without worrying about how it is displayed on the
 other side of the bus.
 .
 This package contains shared libraries to be used by GTK+ applications.