CXXFLAGS+= -Wctor-dtor-privacy -Wdisabled-optimization -Winit-self -Wmissing-include-dirs -Wnoexcept -Wsign-promo -Wundef
# suggests methods which already have such an attribute
#CXXFLAGS+= -Wsuggest-attribute=pure -Wsuggest-attribute=const -Wsuggest-attribute=noreturn
CXXFLAGS+= -Wctor-dtor-privacy -Wdisabled-optimization -Winit-self -Wmissing-include-dirs -Wnoexcept -Wsign-promo -Wundef
# suggests methods which already have such an attribute
#CXXFLAGS+= -Wsuggest-attribute=pure -Wsuggest-attribute=const -Wsuggest-attribute=noreturn