--- Makefile.in.orig	Tue Apr 25 13:13:33 2006
+++ Makefile.in	Sun Jul 18 12:25:38 2010
@@ -200,7 +200,7 @@ udp.html: $(srcdir)/doc/udp.man
 	    $(DTPLITE) -o $@ html $(srcdir)/doc/udp.man ; \
 	fi
 
-install: all install-binaries install-libraries install-doc
+install: all install-binaries install-libraries install-doc install-demos
 
 install-binaries: binaries install-lib-binaries install-bin-binaries
 
@@ -230,6 +230,10 @@ install-doc: doc
 	    rm -f $(DESTDIR)$(mandir)/mann/`basename $$i`; \
 	    $(INSTALL_DATA) $$i $(DESTDIR)$(mandir)/mann ; \
 	done
+
+install-demos:
+	mkdir -p $(DESTDIR)$(pkgdatadir)
+	$(INSTALL_SCRIPT) $(srcdir)/demos/*.tcl $(DESTDIR)$(pkgdatadir)
 
 test: binaries libraries
 	$(TCLSH) `@CYGPATH@ $(srcdir)/tests/all.tcl` $(TESTFLAGS)