diff -r 37117ebbabe2 -r 272a5677bd6d src/work/makefile
--- a/src/work/makefile	Thu Dec 11 07:24:53 2003 +0000
+++ b/src/work/makefile	Sat Dec 13 15:44:50 2003 +0000
@@ -1,3 +1,20 @@
-graphdemo: graphdemo.cc ../include/graph.h ../include/bfs.h \
+CXXFLAGS=-g -Wall -I../include
+
+none:
+	@echo 'Please use one of these forms:'
+	@echo '   make all'
+	@echo '   make clean'
+	@echo '   make graphdemo'
+	@echo '   make bfsdemo'
+
+all: graphdemo bfsdemo
+
+clean:
+	rm graphdemo bfsdemo
+graphdemo: graphdemo.cc ../include/graph.h \
 	../include/oldgraph.h makefile
-	g++ -g -I../include -o graphdemo graphdemo.cc
+	g++ $(CXXFLAGS) -o graphdemo graphdemo.cc
+
+bfsdemo: bfsdemo.cc ../include/graph.h ../include/bfs.h \
+	../include/oldgraph.h makefile
+	g++ $(CXXFLAGS) -o bfsdemo bfsdemo.cc