--- doc/Makefile.in.orig	2003-09-13 06:31:33.000000000 +0930
+++ doc/Makefile.in	2004-08-12 16:53:59.487768752 +0930
@@ -254,7 +254,7 @@
 		echo "$(INSTALL_DATA) $$i $(DESTDIR)$(docdir)"; \
 		$(INSTALL_DATA) $$i $(DESTDIR)$(docdir); \
 	done
-	cp -r html $(docdir)
+	cp -r html $(DESTDIR)$(docdir)
 
 uninstall-local:
 	@for i in ./man/man3/*.3; do \