Re: [bug-inetutils] [PATCH] Make `logger' IPv6-capable.

[Alfred M. Szmidt]

   >    @@ -244,6 +371,10 @@ const char args_doc[] =3D3D "[MESSAGE]";
   >     const char doc[] =3D3D "Send messages to syslog";
   >    =3D20
   >     static struct argp_option argp_options[] =3D3D {
   >    +#if HAVE_IPV6
   >    +  {"ipv4", '4', NULL, 0, "use IPv4 for logging to host" },
   >    +  {"ipv6", '6', NULL, 0, "use IPv6 with a host target" },
   >    +#endif
   >=20
   > What do you think about issuing a warning if IPv6 is not supported,
   > and falling back on IPv4?  It is nice if one can move scripts between
   > systems, without having to tweak them.  Mayve skip the two short
   > options, they don't seem to be very useful to me; or do other logger
   > implementations support them?

   This is a splendid idea. Now both are implemented, but '--ipv6' prints
   a warning message to STDOUT and falls back to IPv4 if the system is
   not compiled with IPv6 support.

   FreeBSD implements options '-4' and '-6', but not long options.
   OpenBSD, NetBSD, and bsdutils (hence Debian GNU/Linux and
   GNU/kFreeBSD) are not able to send log messages to a host at all,
   only to UNIX sockets!  In this sense IU-logger is at the very
   forefront.

Ok, then I guess we should also support -4/-6. 

What do you think about Simon's suggestion?  I have no opinion about
it, if the host can be resolved then I think it is better to use what
works if it works, and print a warning instead of erroring out.