From owner-freebsd-questions@FreeBSD.ORG  Mon Mar  7 01:17:04 2005
Return-Path: <owner-freebsd-questions@FreeBSD.ORG>
Delivered-To: freebsd-questions@freebsd.org
Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125])
	by hub.freebsd.org (Postfix) with ESMTP id 73C4E16A4CE
	for <freebsd-questions@freebsd.org>;
	Mon,  7 Mar 2005 01:17:04 +0000 (GMT)
Received: from aiolos.otenet.gr (aiolos.otenet.gr [195.170.0.23])
	by mx1.FreeBSD.org (Postfix) with ESMTP id 8598F43D2F
	for <freebsd-questions@freebsd.org>;
	Mon,  7 Mar 2005 01:17:03 +0000 (GMT)
	(envelope-from keramida@ceid.upatras.gr)
Received: from gothmog.gr (patr530-b229.otenet.gr [212.205.244.237])
	j271FfAT003521;	Mon, 7 Mar 2005 03:15:42 +0200
Received: from gothmog.gr (gothmog [127.0.0.1])
	by gothmog.gr (8.13.3/8.13.3) with ESMTP id j271Frpo020088;
	Mon, 7 Mar 2005 03:15:53 +0200 (EET)
	(envelope-from keramida@ceid.upatras.gr)
Received: (from giorgos@localhost)
	by gothmog.gr (8.13.3/8.13.3/Submit) id j271FrG2020087;
	Mon, 7 Mar 2005 03:15:53 +0200 (EET)
	(envelope-from keramida@ceid.upatras.gr)
Date: Mon, 7 Mar 2005 03:15:53 +0200
From: Giorgos Keramidas <keramida@ceid.upatras.gr>
To: Jonathon McKitrick <jcm@FreeBSD-uk.eu.org>
Message-ID: <20050307011553.GA20065@gothmog.gr>
References: <20050305183226.GA47472@dogma.freebsd-uk.eu.org>
	<20050306011827.GE2272@dan.emsphone.com>
	<20050306213249.GA4624@dogma.freebsd-uk.eu.org>
	<20050306213955.GA11496@gothmog.gr>
	<20050306215500.GA5571@dogma.freebsd-uk.eu.org>
Mime-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <20050306215500.GA5571@dogma.freebsd-uk.eu.org>
cc: Dan Nelson <dnelson@allantgroup.com>
cc: freebsd-questions@freebsd.org
Subject: Re: Which lib for pthreads?
X-BeenThere: freebsd-questions@freebsd.org
X-Mailman-Version: 2.1.1
Precedence: list
List-Id: User questions <freebsd-questions.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-questions>,
	<mailto:freebsd-questions-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-questions>
List-Post: <mailto:freebsd-questions@freebsd.org>
List-Help: <mailto:freebsd-questions-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-questions>,
	<mailto:freebsd-questions-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Mon, 07 Mar 2005 01:17:04 -0000

On 2005-03-06 21:55, Jonathon McKitrick <jcm@FreeBSD-uk.eu.org> wrote:
>On Sun, Mar 06, 2005 at 11:39:55PM +0200, Giorgos Keramidas wrote:
>:On 2005-03-06 21:32, Jonathon McKitrick <jcm@FreeBSD-uk.eu.org> wrote:
>:>
>:> I found -lc_r does the trick.  Not what I was expecting.
>:
>: -lpthread should work too.
>
> Hmmmm...
>
> jcm@worker:...cvs/tcontainer/libplugina> make install
> cc -O -pipe -Wall -g -I.. -I../include -shared -fPIC -c plugina.c
> c++  -O -pipe -Wall -g -I.. -I../include -shared -fPIC -c wrapper.cpp
> c++  -O -pipe -Wall -g -I.. -I../include -shared -fPIC -c myclass.cpp
> cc -O -pipe -Wall -g -I.. -I../include -shared -fPIC -c threads.c
> cc -O -pipe -Wall -g -I.. -I../include -shared -fPIC  -lpthread -lstdc++ -g
> -Wl,-soname,libplugina.so.0 -o libplugina.so.0.0 plugina.o wrapper.o
> myclass.o threads.o
> /usr/libexec/elf/ld: cannot find -lpthread
> *** Error code 1
>
> Stop in /usr/home/jcm/cvs/tcontainer/libplugina.
> jcm@worker:...cvs/tcontainer/libplugina>

Is this 4.X?
The -lpthread library is available in all 5.X versions, AFAIK.