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Date:      Sun, 2 Jan 2022 19:27:09 +0100
From:      Michael Tuexen <michael.tuexen@macmic.franken.de>
To:        Jessica Clarke <jrtc27@freebsd.org>
Cc:        Gleb Smirnoff <glebius@freebsd.org>, Ed Maste <emaste@freebsd.org>, src-committers <src-committers@freebsd.org>, dev-commits-src-all@freebsd.org, dev-commits-src-main@freebsd.org
Subject:   Re: git: daf481f3d508 - main - rescue: include ping iff at least one of INET & INET6 is enabled
Message-ID:  <D0353449-A7A6-4EB5-8B4A-89B507EA27B6@macmic.franken.de>
In-Reply-To: <50E91562-8850-43CD-AF44-34A96085EF41@freebsd.org>
References:  <202112311818.1BVIIr2P048142@gitrepo.freebsd.org> <YdHeJSMMJP3t750f@FreeBSD.org> <50E91562-8850-43CD-AF44-34A96085EF41@freebsd.org>

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> On 2. Jan 2022, at 18:22, Jessica Clarke <jrtc27@freebsd.org> wrote:
>=20
> On 2 Jan 2022, at 17:17, Gleb Smirnoff <glebius@freebsd.org> wrote:
>>=20
>> On Fri, Dec 31, 2021 at 06:18:53PM +0000, Ed Maste wrote:
>> E> The branch main has been updated by emaste:
>> E>=20
>> E> URL: =
https://cgit.FreeBSD.org/src/commit/?id=3Ddaf481f3d508e7497b456e8df7db17c9=
0b623ee0
>> E>=20
>> E> commit daf481f3d508e7497b456e8df7db17c90b623ee0
>> E> Author:     Ed Maste <emaste@FreeBSD.org>
>> E> AuthorDate: 2021-12-31 01:11:31 +0000
>> E> Commit:     Ed Maste <emaste@FreeBSD.org>
>> E> CommitDate: 2021-12-31 18:16:30 +0000
>> E>=20
>> E>     rescue: include ping iff at least one of INET & INET6 is =
enabled
>> E>    =20
>> E>     Ping does not build (and serves no purpose) if neither is =
enabled
>> E>     (i.e., building WITHOUT_INET and WITHOUT_INET6).
>> E>    =20
>> E>     This is equvalent to a4ef9e58bc0c but for rescue/.
>> E>    =20
>> E>     PR:             260082
>> E>     Fixes:          a4ef9e58bc0c ("sbin: build ping if at least =
one of...")
>> E>     Sponsored by:   The FreeBSD Foundation
>>=20
>> Shouldn't be ping built only with INET and ping6 with INET6?
>> Is there any use of ping on machine that doesn't have IPv4?
>=20
> ping does both these days:
>=20
> commit 0b1064b00fa3ed9c6ac31e2af1fc56c528d7b47d
> Author: asomers <asomers@FreeBSD.org>
> Date:   Thu Nov 26 04:29:30 2020 +0000
>=20
>    Merge ping6 to ping
>=20
>    There is now a single ping binary, which chooses to use ICMP or =
ICMPv4
>    based on the -4 and -6 options, and the format of the address.
>=20
>    Submitted by:   J=C3=A1n Su=C4=8Dan <sucanjan@gmail.com>
>    Sponsored by:   Google LLC (Google Summer of Code 2019)
>    MFC after:      Never
>    Differential Revision:  https://reviews.freebsd.org/D21377
What I find surprising is that using now
ping some-host-which-is-ipv6-capable
uses IPv6 instead of IPv4. So if you want the functionality of the old =
ping, you have to use
ping -4 now...

Best regards
Michael
>=20
> Jess
>=20




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