CORECXXFLAGS += -Woverloaded-virtual -Wshadow
ifneq ($(SYSTEM), openbsd)
CORECXXFLAGS += -pedantic -Wformat=2 -Wmissing-format-attribute -Wno-format-nonliteral
CORECXXFLAGS += -Woverloaded-virtual -Wshadow
ifneq ($(SYSTEM), openbsd)
CORECXXFLAGS += -pedantic -Wformat=2 -Wmissing-format-attribute -Wno-format-nonliteral