Unfortunately, this kind of build error will probably keep cropping up for a while. It's because GTK+ and a few of the gtkmm headers don't play nicely together when the "GTK_DISABLE_DEPRECATED" flag is defined.
The solution is to ensure that the offending <gtkmm/*.h> headers are included *before* <gtk/gtk.h>.
Unfortunately, this kind of build error will probably keep cropping up for a while. It's because GTK+ and a few of the gtkmm headers don't play nicely together when the "GTK_DISABLE_ DEPRECATED" flag is defined.
The solution is to ensure that the offending <gtkmm/*.h> headers are included *before* <gtk/gtk.h>.