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Date:      Mon, 27 Feb 2023 16:14:48 -0500
From:      Shawn Webb <shawn.webb@hardenedbsd.org>
To:        Dimitry Andric <dim@FreeBSD.org>
Cc:        FreeBSD User <freebsd@walstatt-de.de>, FreeBSD CURRENT <freebsd-current@freebsd.org>
Subject:   Re: NanoBSD: CURRENT unable to compile 13-STABLE : error: a function definition without a prototype is deprecated ... in C
Message-ID:  <20230227211448.r3gzkgzjfnbkg6zl@mutt-hbsd>
In-Reply-To: <20230227204041.oage2knrjb4o3dr6@mutt-hbsd>
References:  <20230227192011.08f7aa8e@thor.intern.walstatt.dynvpn.de> <E2AFBCE9-4467-4E75-B7E4-4C6E0B03C0AA@FreeBSD.org> <20230227204041.oage2knrjb4o3dr6@mutt-hbsd>

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On Mon, Feb 27, 2023 at 03:40:41PM -0500, Shawn Webb wrote:
> On Mon, Feb 27, 2023 at 08:57:19PM +0100, Dimitry Andric wrote:
> > On 27 Feb 2023, at 19:19, FreeBSD User <freebsd@walstatt-de.de> wrote:
> > >=20
> > > Running recent CURRENT as host (FreeBSD 14.0-CURRENT #23 main-n261147=
-b8bb73ab724b: Sun Feb 26
> > > 17:39:38 CET 2023 amd64), and nanoBSD (recent 13-STABLE, git stable/1=
3).
> > >=20
> > > Building an appliance based on 13-STABLE sources, a customized kernel=
 via nanoBSD, since a
> > > couple of weeks for now building the sources fails in kernel sources:
> > >=20
> > > [...]
> > > --- modules-all ---
> > > --- all_subdir_an ---
> > > /pool/home/ohartmann/Projects/router/router/apu2c4/src/sys/dev/an/if_=
an_pci.c:143:1: error: a
> > > function definition without a prototype is deprecated in all versions=
 of C and is not
> > > supported in C2x [-Werror,-Wdeprecated-non-prototype]
> > > [..]
> > >=20
> > > Disabling all wireless options in the kernel config starts dropping e=
rrors of a similar kind
> > > on other kernel places.
> > >=20
> > > Compiling on FBSD 13-STABLE seems to be all right.
> > >=20
> > > Can this be fixed. please? What causes the error and how can this be =
resolved if the subtree
> > > of FreeBSD's sources is a submodule?
> >=20
> > Not sure what you mean with "subtree is a submodule", but this is likely
> > caused by skipping the cross-tools stage somehow. Do you have any
> > specific make.conf or src.conf settings for that?
>=20
> FWIW, HardenedBSD is also impacted by this. We set
> WITH_SYSTEM_COMPILER and WITH_SYSTEM_LINKER by default, which I think
> might be a contributing factor.

The reason for not hitting the error in that particular file in
14-CURRENT is because the an(4) driver was removed by FreeBSD in
commit 663b174b5b5387948bfa94131a08f6259d2926cc from 07 June 2021.

Thanks,

--=20
Shawn Webb
Cofounder / Security Engineer
HardenedBSD

https://git.hardenedbsd.org/hardenedbsd/pubkeys/-/raw/master/Shawn_Webb/03A=
4CBEBB82EA5A67D9F3853FF2E67A277F8E1FA.pub.asc

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