--- a/Makefile	Tue May 06 18:41:42 2014 +0200
+++ b/Makefile	Wed May 07 11:54:17 2014 +0200
@@ -1,5 +1,7 @@
 IMAGES = procs.pdf routing.pdf
 ALL = mk2014.pdf
+TT = $(wildcard *.tt)
+CONF = $(wildcard *.conf)
 .PHONY: clean
 
 all:		$(ALL)
@@ -7,10 +9,10 @@
 	rubber -d --clean mk2014.tex
 	-rm -f *.vrb $(IMAGES)
 
-mk2014.pdf:	$(IMAGES) $(wildcard *.conf)
+mk2014.pdf:	mk2014.tex $(IMAGES) $(TT) $(CONF)
 
 %.pdf:	%.tex
-	rubber -d $<
+	rubber -f -d $<
 
 %.pdf:	%.dia
 	dia --export $@ $<