I'm getting the following error while compiling thunar from git. I'm on xubuntu 12.10.

make[2]: ingresso nella directory "/home/prova/Xfce/thunar/thunar"
  CC     thunar-thunar-notify.o
thunar-notify.c:25:30: fatal error: libnotify/notify.h: File o directory non esistente
compilation terminated.
make[2]: *** [thunar-thunar-notify.o] Errore 1
make[2]: uscita dalla directory "/home/prova/Xfce/thunar/thunar"
make[1]: *** [install] Errore 2
make[1]: uscita dalla directory "/home/prova/Xfce/thunar/thunar"
make: *** [install-recursive] Errore 1