From owner-freebsd-current@FreeBSD.ORG  Wed Dec 28 16:16:57 2011
Return-Path: <owner-freebsd-current@FreeBSD.ORG>
Delivered-To: current@freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34])
	by hub.freebsd.org (Postfix) with ESMTP id 5E5361065678
	for <current@freebsd.org>; Wed, 28 Dec 2011 16:16:57 +0000 (UTC)
	(envelope-from rbgarga@gmail.com)
Received: from mail-ww0-f50.google.com (mail-ww0-f50.google.com [74.125.82.50])
	by mx1.freebsd.org (Postfix) with ESMTP id ED6168FC23
	for <current@freebsd.org>; Wed, 28 Dec 2011 16:16:56 +0000 (UTC)
Received: by wgbdr11 with SMTP id dr11so22232249wgb.31
	for <current@freebsd.org>; Wed, 28 Dec 2011 08:16:55 -0800 (PST)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma;
	h=mime-version:in-reply-to:references:from:date:message-id:subject:to
	:cc:content-type:content-transfer-encoding;
	bh=bBZlrlSStBdDtB1vE+V0Aze3D4oOvNu36Xh/buzRN/k=;
	b=In6tCkIT1pvMZPJBjBGYxbrwkNNhfq0V9g7UqnkDxjlpIZ3ymxQ7G8Pv/7y4IOUtFZ
	XBxXMimoKDw1Aqzp4sTispdsJ8Y6rm4WAmlbpxA/9AQYJdlCzA7OnC3BbD2tZodsMTgU
	MBpJOv+b+92pw8Y7hZ0A4RZEEZKcYONMVnguk=
Received: by 10.227.202.211 with SMTP id ff19mr32153149wbb.15.1325087118190;
	Wed, 28 Dec 2011 07:45:18 -0800 (PST)
MIME-Version: 1.0
Received: by 10.216.177.68 with HTTP; Wed, 28 Dec 2011 07:44:57 -0800 (PST)
In-Reply-To: <201105040107.p4417NTR048534@pozo.com>
References: <201105040107.p4417NTR048534@pozo.com>
From: Renato Botelho <rbgarga@gmail.com>
Date: Wed, 28 Dec 2011 13:44:57 -0200
Message-ID: <CAESiWk=wdZDNxn+HcLeOVTF55jMTEP3zVOb1ivAPgNYi2JTB3w@mail.gmail.com>
To: Manfred Antar <null@pozo.com>
Content-Type: text/plain; charset=ISO-8859-1
Content-Transfer-Encoding: quoted-printable
Cc: current@freebsd.org
Subject: Re: Clang error make buildworld
X-BeenThere: freebsd-current@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
List-Id: Discussions about the use of FreeBSD-current
	<freebsd-current.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-current>, 
	<mailto:freebsd-current-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-current>
List-Post: <mailto:freebsd-current@freebsd.org>
List-Help: <mailto:freebsd-current-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-current>,
	<mailto:freebsd-current-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Wed, 28 Dec 2011 16:16:57 -0000

On Tue, May 3, 2011 at 10:07 PM, Manfred Antar <null@pozo.com> wrote:
> I get this error when trying to buildworld on current i386.
> It's been this way for awhile Any Ideas ?
>
> =3D=3D=3D> boot/i386/boot0 (all)
> clang -O2 -pipe =A0-DVOLUME_SERIAL -DPXE -DFLAGS=3D0x8f =A0-DTICKS=3D0xb6=
 =A0-DCOMSPEED=3D"7 << 5 + 3" -ffreestanding -mpreferred-stack-boundary=3D2=
 =A0-mno-mmx -mno-3dnow -mno-sse -mno-sse2 -mno-sse3 -msoft-float -std=3Dgn=
u99 =A0 =A0-c /usr/src/sys/boot/i386/boot0/boot0.S
> clang: warning: argument unused during compilation: '-mpreferred-stack-bo=
undary=3D2'
> /tmp/cc-4SXZt8.s:42:11: error: .code16 not supported yet
> =A0.code16 # This runs in real mode
> =A0 =A0 =A0 =A0 =A0^
> /tmp/cc-4SXZt8.s:313:3: error: unknown use of instruction mnemonic withou=
t a size suffix
> =A0jmp *%bx # Invoke bootstrap
> =A0^
> /tmp/cc-4SXZt8.s:346:3: error: invalid operand for instruction
> =A0retw # To caller
> =A0^
> /tmp/cc-4SXZt8.s:372:3: error: invalid operand for instruction
> =A0retw # To caller
> =A0^
> *** Error code 1
>
> Stop in /usr/src/sys/boot/i386/boot0.
> *** Error code 1
>
> Stop in /usr/src/sys/boot/i386.
> *** Error code 1
>
> Stop in /usr/src/sys/boot.
> *** Error code 1
>
> Stop in /usr/src/sys.

Hello Manfred,

I'm having this same issue on a i386 HEAD buildworld with clang. Did
you find a fix for this?

For now i built boot0 with gcc and it was built fine.

Regards
--=20
Renato Botelho