+all: $(TARGETS)
+
+string_h=$(INCLUDE_DIR)/string.h
+objects+=string.o
+string.o: $(string_h) string.cpp
+
+httpheaders_h=$(string_h) $(INCLUDE_DIR)/httpheaders.h
+objects+=httpheaders.o
+httpheaders.o: $(httpheaders_h) httpheaders.cpp
+
+httpmessage_h=$(string_h) $(httpheaders_h) $(INCLUDE_DIR)/httpmessage.h
+objects+=httpmessage.o
+httpmessage.o: $(httpmessage_h) httpmessage.cpp
+
+httprequest_h=$(string_h) $(httpmessage_h) $(INCLUDE_DIR)/httprequest.h
+objects+=httprequest.o
+httprequest.o: $(httprequest_h) httprequest.cpp