First, rough solution -- works up to a point

Makefile

@@ -0,0 +1,11 @@
+CXX = g++
+CXXFLAGS = -Wall
+
+q: main.o
+	$(CXX) $(CXXFLAGS) -o q main.o
+
+main.o: main.cpp
+	$(CXX) $(CXXFLAGS) -c main.cpp
+
+clean :
+	-rm *.o q