diff -ur regress-1.5.1.orig/regress.el regress-1.5.1/regress.el
--- regress-1.5.1.orig/regress.el	2005-06-29 12:53:39.000000000 -0500
+++ regress-1.5.1/regress.el	2005-06-30 10:11:38.000000000 -0500
@@ -114,6 +114,8 @@
 ;;  regression test fails and FAILURE-INDICATION is non-nil, it will
 ;;  be printed along with the results.
 
+(eval-when-compile
+  (require 'cl))
 
 ;; Here are some contrived, simple examples.  Much of regress.el
 ;; itself contains regression tests.  Search for "eval-when-compile",
Only in regress-1.5.1: regress.el~