From owner-freebsd-ports  Mon Mar 18 14:33:13 2002
Delivered-To: freebsd-ports@freebsd.org
Received: from babylon.merseine.nu (12-216-237-91.client.mchsi.com [12.216.237.91])
	by hub.freebsd.org (Postfix) with ESMTP id E8FB437B402
	for <ports@FreeBSD.org>; Mon, 18 Mar 2002 14:33:08 -0800 (PST)
Received: (from ishmael@localhost)
	by babylon.merseine.nu (8.11.6/8.11.6) id g2IMWlr89076;
	Mon, 18 Mar 2002 16:32:47 -0600 (CST)
	(envelope-from ishmael)
Date: Mon, 18 Mar 2002 16:32:43 -0600
From: Jeremy Norris <ishmael27x@yahoo.com>
To: Bradley T Hughes <bhughes@trolltech.com>
Cc: ports@FreeBSD.org
Subject: Re: HEADS UP:  XFree86 4.2.0 going back in the tree
Message-ID: <20020318223243.GA88976@babylon.merseine.nu>
References: <20020315150609.GV53073@squall.waterspout.com> <200203180922.35707.bhughes@trolltech.com>
Mime-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <200203180922.35707.bhughes@trolltech.com>
User-Agent: Mutt/1.3.28i
Sender: owner-freebsd-ports@FreeBSD.ORG
Precedence: bulk
List-ID: <freebsd-ports.FreeBSD.ORG>
List-Archive: <http://docs.freebsd.org/mail/> (Web Archive)
List-Help: <mailto:majordomo@FreeBSD.ORG?subject=help> (List Instructions)
List-Subscribe: <mailto:majordomo@FreeBSD.ORG?subject=subscribe%20freebsd-ports>
List-Unsubscribe: <mailto:majordomo@FreeBSD.ORG?subject=unsubscribe%20freebsd-ports>
X-Loop: FreeBSD.org

On Mon, Mar 18, 2002 at 09:22:35AM +0100, Bradley T Hughes wrote:
> If at all possible, could we fix X builds on FreeBSD to not use libGL with 
> threaded symbols?  This causes lots of problems with 3rd party libraries 
> that use opengl code (like Qt) but don't always compile with -pthread.  
> It's a very simple fix.  imake-4 and XFree86-4-libraries need a new 
> patch-xthreads:
> 
> --- config/cf/FreeBSD.cf.orig   Thu Jan 24 09:17:30 2002
> +++ config/cf/FreeBSD.cf        Thu Jan 24 09:17:44 2002
> @@ -76,11 +76,10 @@
>  #  define HasLibPthread                NO
>  # endif
>  # define HasPosixThreads       YES
> -# define ThreadedX             YES
> +# define ThreadedX             NO
>  /*
>   * math.h uses _REENTRANT and stdio.h uses _THREAD_SAFE, so define both.
>   */
> -# define SystemMTDefines       -D_REENTRANT -D_THREAD_SAFE
>  /*
>   * FreeBSD has tread-safe api but no getpwnam_r yet.
>   */
> @@ -91,8 +90,12 @@
>  # else
>  #  define BuildThreadStubLibrary  YES
>  #  define NeedUIThrStubs          YES
> -#  define ThreadsCompileFlags  -pthread
> -#  define ThreadsLibraries     -pthread
> +#  if (OSRelVersion >= 500016)
> +#   define ThreadsLibraries    -lc_r
> +#  else
> +#   define SystemMTDefines     -D_REENTRANT -D_THREAD_SAFE
> +#   define ThreadsLibraries    -pthread
> +#  endif
>  #  define SharedX11Reqs                $(LDPRELIB) $(XTHRSTUBLIB)
>  #  define SharedXtReqs         $(LDPRELIB) $(XLIBONLY) $(SMLIB) $(ICELIB) 
> $(XTH
> RSTUBLIB)
>  # endif
> 
> This could be an option until the XFree86 people implement a real XThrStub 
> library.

I thought this problem went away with XFree86-4.2.0 because libGL.so.1 links to
libXThrStub.so.6 (which contains weak symbols to pthread_foo)??? (Although I
have older uncommitted XFree86-4.2.0_3 megaport installed locally, not new
metaport, maybe it isn't the same)?

Jeremy

To Unsubscribe: send mail to majordomo@FreeBSD.org
with "unsubscribe freebsd-ports" in the body of the message