dep: Makefile.dep
Makefile.dep: $(ALL_SOURCES) $(srcdir)/*.h
- $(CXXCPP) -MM $(CPPFLAGS) $(M_OR_MM) $^ >Makefile.dep
+ $(CXXCPP) $(CPPFLAGS) $(M_OR_MM) $(filter %.cc,$^) >Makefile.dep
# don't include Makefile.dep for the listed targets:
ifeq "$(findstring $(MAKECMDGOALS),uninstall uninstall_gui_api \