From owner-freebsd-current@FreeBSD.ORG  Mon Aug  1 09:15:17 2011
Return-Path: <owner-freebsd-current@FreeBSD.ORG>
Delivered-To: freebsd-current@freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34])
	by hub.freebsd.org (Postfix) with ESMTP id A3419106566B
	for <freebsd-current@freebsd.org>; Mon,  1 Aug 2011 09:15:17 +0000 (UTC)
	(envelope-from dim@FreeBSD.org)
Received: from tensor.andric.com (cl-327.ede-01.nl.sixxs.net
	[IPv6:2001:7b8:2ff:146::2])
	by mx1.freebsd.org (Postfix) with ESMTP id 67EC18FC13
	for <freebsd-current@freebsd.org>; Mon,  1 Aug 2011 09:15:17 +0000 (UTC)
Received: from [IPv6:2001:7b8:3a7:0:c068:3281:5b90:f86c] (unknown
	[IPv6:2001:7b8:3a7:0:c068:3281:5b90:f86c])
	(using TLSv1 with cipher DHE-RSA-CAMELLIA256-SHA (256/256 bits))
	(No client certificate requested)
	by tensor.andric.com (Postfix) with ESMTPSA id 6D0D25C59;
	Mon,  1 Aug 2011 11:15:15 +0200 (CEST)
Message-ID: <4E366E9E.1050600@FreeBSD.org>
Date: Mon, 01 Aug 2011 11:15:10 +0200
From: Dimitry Andric <dim@FreeBSD.org>
Organization: The FreeBSD Project
User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64;
	rv:5.0) Gecko/20110624 Thunderbird/5.0
MIME-Version: 1.0
To: Alex Kuster <vertex.symphony@gmail.com>
References: <201107311416.07307.vertex.Symphony@gmail.com>
In-Reply-To: <201107311416.07307.vertex.Symphony@gmail.com>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed
Content-Transfer-Encoding: 7bit
Cc: freebsd-current@freebsd.org
Subject: Re: libc build broken with clang ?
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: Mon, 01 Aug 2011 09:15:17 -0000

On 2011-07-31 19:15, Alex Kuster wrote:
> Hi!  I'm writing because I'm having some issues with -CURRENT and clang in
> amd64.
> I first compiled latest revision at this date and everything went ok:
>
>> [0][root@Symphony ~]# uname -a
>> FreeBSD Symphony.Gl 9.0-CURRENT FreeBSD 9.0-CURRENT #4: Sun Jul 10 10:38:28
>> ART 2011     toor@Symphony.Gl:/usr/obj/usr/src/sys/GENERIC  amd64
>
> Now, a week or two later, something around libc broke.
> here's the output of make buildworld with clang :
>
>> lang -fpic -DPIC -O2 -pipe "-march=native"  -I/usr/src/lib/libc/include
>> -I/usr/src/lib/libc/../../include -I/usr/src/lib/libc/amd64 -DNLS
>> -D__DBINTERFACE_PRIVATE -I/usr/src/lib/libc/../../contrib/gdtoa -DINET6
>> -I/usr/obj/usr/src/lib/libc -I/usr/src/lib/libc/resolv -D_ACL_PRIVATE
>> -DPOSIX_MISTAKE -I/usr/src/lib/libc/../../contrib/tzcode/stdtime
>> -I/usr/src/lib/libc/stdtime -I/usr/src/lib/libc/locale -DBROKEN_DES
>> -DPORTMAP -DDES_BUILTIN -I/usr/src/lib/libc/rpc -DYP -DNS_CACHING
>> -DSYMBOL_VERSIONING -std=gnu99 -fstack-protector -Wsystem-headers -Wall
>> -Wno-format-y2k -Wno-uninitialized -Wno-pointer-sign -c
>> /usr/src/lib/libc/string/wmemset.c -o wmemset.So building shared library
>> libc.so.7
>> /usr/bin/ld: cap_getrights.So: relocation R_X86_64_32S against
>> `SYS_cap_getrights' can not be used when making a shared object; recompile
>> with -fPIC cap_getrights.So: could not read symbols: Bad value
>> clang: error: linker command failed with exit code 1 (use -v to see
>> invocation) *** Error code 1

For now, remove the line:

CFLAGS+="-march=native"

from your make.conf, and try again.  Clang still has some problems with
this setting, and you are most likely hitting them.