--- a/Makefile	Sun May 11 22:30:10 2014 +0200
+++ b/Makefile	Mon May 12 01:32:16 2014 +0200
@@ -1,21 +1,24 @@
 
 ALL = mk2014.pdf
 
-DIA = $(wildcard dia/*.dia)
-TT = $(wildcard *.tt)
-CONF = $(wildcard conf/*.conf)
+# input
+CONF   = $(wildcard conf/*.conf)
 FRAMES = $(wildcard frames/*tex)
+OUT    = $(wildcard out/*)
+DIA    = $(wildcard dia/*.dia)
 IMAGES = $(notdir $(DIA:.dia=.pdf))
-OUT = $(wildcard out/*)
 
 .PHONY: clean
 
 all:		$(ALL)
 clean:
-	rubber -d --clean mk2014.tex
+	rubber --clean mk2014.tex
 	-rm -f *.vrb $(IMAGES)
 
-mk2014.pdf:	mk2014.tex $(IMAGES) $(FRAMES) $(TT) $(CONF) $(OUT)
+distclean:	clean
+	rubber --clean -d mk2014.tex
+
+mk2014.pdf:	mk2014.tex $(IMAGES) $(FRAMES) $(CONF) $(OUT)
 
 %.pdf:	%.tex
 	rubber -f -d $<