diff -ruN dstool_tk/src/utilities/interrupt.c dstooltk-2.0/src/utilities/interrupt.c
--- dstool_tk/src/utilities/interrupt.c	2004-04-30 18:19:10 +0300
+++ dstooltk-2.0/src/utilities/interrupt.c	1998-10-01 05:57:07 +0300
@@ -32,6 +32,7 @@
  */
 
 #include <sys/time.h>
+#include <sys/times.h>
 
 #include <constants.h>
 #include <utilities.h>