DebugV   bool
)

func init() {
	flag.Var(&D, "D", "predefined symbol with optional simple value -D=identifier=value; can be set multiple times")
	flag.Var(&I, "I", "include directory; can be set multiple times")
	flag.BoolVar(&DebugV, "v", false, "print debug output")
	flag.Var(objabi.NewDebugFlag(&DebugFlags, nil), "d", "enable debugging settings; try -d help")
	objabi.AddVersionFlag() // -V

pkg flag, const ExitOnError ErrorHandling
pkg flag, const PanicOnError ErrorHandling
pkg flag, func Arg(int) string
pkg flag, func Args() []string
pkg flag, func Bool(string, bool, string) *bool
pkg flag, func BoolVar(*bool, string, bool, string)
pkg flag, func Duration(string, time.Duration, string) *time.Duration
pkg flag, func DurationVar(*time.Duration, string, time.Duration, string)