Qemu Mate 16.10 and Gtk dont build 

when i try to build last qemu 2.6 on 16.10 of ubuntu mate i have this.
note on 16.04 was building without problem
  
LINK  i386-softmmu/qemu-system-i386
../ui/gtk.o: In function `gd_get_pointer':
/home/amigaone/src/qemu/ui/gtk.c:486: undefined reference to `gdk_display_get_default_seat'
/home/amigaone/src/qemu/ui/gtk.c:486: undefined reference to `gdk_seat_get_pointer'
../ui/gtk.o: In function `gd_grab_update':
/home/amigaone/src/qemu/ui/gtk.c:1339: undefined reference to `gdk_display_get_default_seat'
/home/amigaone/src/qemu/ui/gtk.c:1353: undefined reference to `gdk_seat_grab'
/home/amigaone/src/qemu/ui/gtk.c:1356: undefined reference to `gdk_seat_ungrab'
../ui/gtk.o: In function `gd_get_pointer':
/home/amigaone/src/qemu/ui/gtk.c:486: undefined reference to `gdk_display_get_default_seat'
/home/amigaone/src/qemu/ui/gtk.c:486: undefined reference to `gdk_seat_get_pointer'
/home/amigaone/src/qemu/ui/gtk.c:486: undefined reference to `gdk_display_get_default_seat'
/home/amigaone/src/qemu/ui/gtk.c:486: undefined reference to `gdk_seat_get_pointer'
collect2: error: ld returned 1 exit status