--- hplip-3.11.7~/prnt/hpps/hppsfilter.c	2011-07-24 18:58:05.000000000 +0000
+++ hplip-3.11.7/prnt/hpps/hppsfilter.c	2011-08-09 20:51:54.150214165 +0000
@@ -38,6 +38,7 @@
 #include <unistd.h>
 #include <fcntl.h>
 #include <cups/cups.h>
+#include <cups/ppd.h>
 #include <sys/types.h>
 #include <sys/stat.h>