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From: John Baldwin <jhb@freebsd.org>
To: freebsd-threads@freebsd.org
Date: Mon, 4 Feb 2008 09:42:26 -0500
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Message-Id: <200802040942.26708.jhb@freebsd.org>
Cc: "Karl H. Beckers" <karl.h.beckers@gmx.net>
Subject: Re: threading in FreeBSD (acx_pthreads)
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On Monday 04 February 2008 06:31:23 am Karl H. Beckers wrote:
> Hi all,
> 
> could you please include me directly in your replies ... I haven't
> subscribed.
> 
> I'm trying to move my configure.in from manual threading libs detection
> to acx_pthreads. That, however, prefers -kthread over -pthread where I
> previously did this:
> 
>                 if ( test -x /sbin/sysctl ) ; then
>                         ac_my_freebsd_release=`/sbin/sysctl -n
> kern.osreldate`
>                 else
>                         ac_my_freebsd_release=`/usr/sbin/sysctl -n
> kern.osreldate`
>                 fi
>                 if ( expr ${ac_my_freebsd_release} \< 500016 ) ; then
>                         LIBS="${LIBS} -pthread"
>                 else
>                         LIBS="${LIBS} -lc_r"
>                 fi
> 
> Could anybody make a recommendation of the propert thing to do on
> FreeBSD? Is the acx_pthread assumption OK, or should I patch that?

Just always use -pthread.  -lc_r is wrong on 6.x+ anyway, but -pthread
should always work.

-- 
John Baldwin