Use compiler to generate .d files instead of using sed.

Makefile

@@ -13,15 +13,10 @@ SOURCE=$(wildcard *.cc)
 HEADERS=$(wildcard *.hh *.hxx)
 OBJECTS=$(subst .cc,.o,$(SOURCE))
 DEPENDS=$(subst .cc,.d,$(SOURCE))
+CXXFLAGS+= -MMD -MP
 
 all: $(TARGET)
 
-%.d: %.cc
-	@set -e; rm -f $@; \
-	$(CXX) -MM $(CPPFLAGS) $(CXXFLAGS) $< > $@.$$$$; \
-	sed 's,\($*\)\.o[ :]*,\1.o $@ : ,g' < $@.$$$$ > $@; \
-	rm -f $@.$$$$
-
 ifneq ($(MAKECMDGOALS),clean)
     -include $(DEPENDS)
 endif