vec.dll vec.dll.a: vec.o vec.def
$(LD) $(LDFLAGS) vec.o vec.def $(LIBS) \
-o vec.dll -Wl,--out-implib,vec.dll.a
-graph.dll: graph.o graph.def vec.dll.a
+graph.dll: graph.o graph.def vec.dll.a
$(LD) $(LDFLAGS) graph.o graph.def $(LIBS) vec.dll.a -o graph.dll
graph.o vec.o: vec.h