diff -r 929aad02c5f2 -r c1080cb5bd6d ccdemos/Makefile
--- a/ccdemos/Makefile	Mon Dec 17 22:03:50 2007 +0100
+++ b/ccdemos/Makefile	Tue Dec 18 12:36:01 2007 +0100
@@ -4,13 +4,18 @@
 
 include $(ROOT)/config.mk
 
+### single precision
+#RTLIBS=libs-float
+#CCFLAGS+=-fsingle-precision-constant
+
+### double precision
 RTLIBS=libs-double
-DEFS+=-DPYRIT_DOUBLE
+CCFLAGS+=-DPYRIT_DOUBLE
 
 
 ### Rules ###
 %.o: %.cc
-	$(CXX) -c -o $@ $(CCFLAGS) $(SDL_CCFLAGS) $< $(DEFS)
+	$(CXX) -c -o $@ $(CCFLAGS) $(SDL_CCFLAGS) $<
 
 %: %.o
 	$(CXX) -o $@ $(ROOT)/bin/$(RTLIBS)/*.o $< image.o $(LDFLAGS) $(SDL_LDFLAGS) -lpng