diff -r 5d043eeb09d9 -r 7079dcc3bd74 ccdemos/Makefile
--- a/ccdemos/Makefile	Fri Dec 14 10:34:31 2007 +0100
+++ b/ccdemos/Makefile	Fri Dec 14 16:51:22 2007 +0100
@@ -5,20 +5,25 @@
 include $(ROOT)/config.mk
 
 
+### Rules ###
+%.o: %.cc
+	$(CXX) -c -o $@ $(CCFLAGS) $(SDL_CCFLAGS) $< $(DEFS) -DPYRIT_DOUBLE
+
+%: %.o
+	$(CXX) -o $@ $(ROOT)/bin/libs-double/*.o $< image.o $(LDFLAGS) $(SDL_LDFLAGS) -lpng
+
 ### Targets ###
 all: realtime realtime_dragon realtime_bunny spheres_shadow
 
-realtime: realtime.o libs-double
-	$(CXX) -o $@ $(ROOT)/bin/libs-double/*.o $< $(LDFLAGS) $(SDL_LDFLAGS)
-
-realtime_dragon: realtime_dragon.o libs-double
-	$(CXX) -o $@ $(ROOT)/bin/libs-double/*.o $< $(LDFLAGS) $(SDL_LDFLAGS)
+realtime: realtime.o libs-double image.o
+realtime_dragon: realtime_dragon.o libs-double image.o
+realtime_bunny: realtime_bunny.o libs-double image.o
+spheres_shadow: spheres_shadow.o libs-double image.o
 
-realtime_bunny: realtime_bunny.o libs-double
-	$(CXX) -o $@ $(ROOT)/bin/libs-double/*.o $< $(LDFLAGS) $(SDL_LDFLAGS)
-
-spheres_shadow: spheres_shadow.o image.o libs-float
-	$(CXX) -o $@ $(ROOT)/bin/libs-float/*.o $< image.o $(LDFLAGS) -lpng
+realtime.o: realtime.cc
+realtime_dragon.o: realtime_dragon.cc common_sdl.h common_ply.h
+realtime_bunny.o: realtime_bunny.cc common_sdl.h common_ply.h
+spheres_shadow.o: spheres_shadow.cc
 
 libs-float:
 	$(MAKE) -C ../src libs-float
@@ -26,20 +31,8 @@
 libs-double:
 	$(MAKE) -C ../src libs-double
 
-realtime.o: realtime.cc
-	$(CXX) -c -o $@ $(CCFLAGS) $(SDL_CCFLAGS) $< $(DEFS) -DPYRIT_DOUBLE
-
-realtime_dragon.o: realtime_dragon.cc
-	$(CXX) -c -o $@ $(CCFLAGS) $(SDL_CCFLAGS) $< $(DEFS) -DPYRIT_DOUBLE
-
-realtime_bunny.o: realtime_bunny.cc
-	$(CXX) -c -o $@ $(CCFLAGS) $(SDL_CCFLAGS) $< $(DEFS) -DPYRIT_DOUBLE
-
 image.o: image.c
 	$(CXX) -c -o $@ $*.c
 
-spheres_shadow.o: spheres_shadow.cc
-	$(CXX) -c -o $@ $*.cc $(CCFLAGS) $(DEFS)
-
 clean:
 	rm -f spheres_shadow realtime realtime_dragon realtime_bunny *.o