diff -Naur xf86-video-sis-0.9.1/src/sis.h xf86-video-sis-0.9.1.fixed/src/sis.h
--- xf86-video-sis-0.9.1/src/sis.h	2006-04-08 03:44:36.000000000 +0200
+++ xf86-video-sis-0.9.1.fixed/src/sis.h	2007-03-04 21:02:23.000000000 +0100
@@ -39,6 +39,11 @@
 #include <string.h>
 #include <math.h>
 #include <setjmp.h>
+#include <assert.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <fcntl.h>
+#include <sys/ioctl.h>
 
 #define SISDRIVERVERSIONYEAR    5
 #define SISDRIVERVERSIONMONTH   9