$OpenBSD: patch-Makefile,v 1.2 2004/04/23 03:00:07 dons Exp $
Add a nice regress target 

--- Makefile.orig	Wed Jun 19 23:48:31 2002
+++ Makefile	Wed Jul 23 12:45:05 2003
@@ -368,3 +368,21 @@
 
 # -----------------------------------------------------------------------------
 
+TEST_RESULT=actual.result
+
+check::
+	@( cd happy/tests/ ; ${MAKE} | tee ../../${TEST_RESULT}.raw )
+	@( sed '1d;$$d' ${TEST_RESULT}.raw > ${TEST_RESULT} )
+	@(if cmp -s expected.result ${TEST_RESULT} ; then \
+                echo ;\
+                echo "All is good!" ; \
+                echo ;\
+          else \
+                echo ;\
+                echo "@@@@@@@@@@@@@@@@@@@@@@@@@@@@";\
+                echo "Unexpected regress results!" ;\
+                echo "@@@@@@@@@@@@@@@@@@@@@@@@@@@@";\
+                echo ;\
+                echo "here is a diff:" ;\
+                diff -u expected.result ${TEST_RESULT} ;\
+          fi ; exit 0 )
