diff -up lrzsz-0.12.20/configure.noftime lrzsz-0.12.20/configure
--- lrzsz-0.12.20/configure.noftime	1998-12-30 08:50:18.000000000 +0100
+++ lrzsz-0.12.20/configure	2014-02-12 17:19:22.489723064 +0100
@@ -3472,6 +3472,7 @@ else
 #include <stdio.h>
 main ()
 {
+  exit(1);
   struct timeb s, slast;
   int c = 0;
   ftime (&slast);