--- Makefile.orig	Tue Jul 23 18:57:50 2002
+++ Makefile	Fri Jul 25 14:24:25 2003
@@ -370,3 +370,27 @@
 
 # -----------------------------------------------------------------------------
 
+COMPILE_EXP=haddock.compile.expected
+RUNTIME_EXP=haddock.generated.expected
+COMPILE_OUT=haddock.compile.actual
+RUNTIME_OUT=haddock.generated.actual
+
+check::
+	@( cd haddock/examples/ ; ${MAKE} > ../../${COMPILE_OUT}.raw 2>&1 )
+	@cat haddock/examples/*.html > ${RUNTIME_OUT}
+	@( sed '1d;$$d' ${COMPILE_OUT}.raw > ${COMPILE_OUT} )
+	@(if ( cmp -s ${COMPILE_EXP} ${COMPILE_OUT} &&  \
+	       cmp -s ${RUNTIME_EXP} ${RUNTIME_OUT} ) ; then \
+                echo ;\
+                echo "All is good!" ; \
+                echo ;\
+          else \
+                echo ;\
+                echo "@@@@@@@@@@@@@@@@@@@@@@@@@@@@";\
+                echo "Unexpected regress results!" ;\
+                echo "@@@@@@@@@@@@@@@@@@@@@@@@@@@@";\
+                echo ;\
+                echo "here is a diff:" ;\
+                diff -u ${COMPILE_EXP} ${COMPILE_OUT} ;\
+                diff -u ${RUNTIME_EXP} ${RUNTIME_OUT} ;\
+          fi ; exit 0 )