--- include/ptlib/unix/ptlib/videoio.h.orig	2003-01-06 10:41:08.000000000 -0800
+++ include/ptlib/unix/ptlib/videoio.h	2004-02-08 15:56:51.781845630 -0800
@@ -101,6 +101,8 @@
 
 #ifndef _PVIDEOIO
 
+/* update for 2.6.1 kernel headers */
+#include <sys/time.h>
 
 #if defined(P_LINUX) && !defined(NO_VIDEO_CAPTURE)
 #include <linux/videodev.h>     /* change this to "videodev2.h" for v4l2 */