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Date: Sat, 11 Nov 2006 14:27:11 -0500 (EST)
From: Daniel Eischen <deischen@freebsd.org>
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To: Norikatsu Shigemura <nork@freebsd.org>
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Cc: Dag-Erling =?ISO-2022-JP?B?U21fX3JncmF2?= <des@des.no>,
	freebsd-current@freebsd.org, Kris Kennaway <kris@obsecurity.org>
Subject: Re: libpthread vs libthr.
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On Sun, 12 Nov 2006, Norikatsu Shigemura wrote:

> On Sat, 11 Nov 2006 12:33:37 -0500 (EST)
> Daniel Eischen <deischen@freebsd.org> wrote:
>> The way to fix this for the above problem is to enable symbol
>> versioning (set SYMVER_ENABLED=yes in /etc/make.conf) and rebuild
>> world.  Then rebuild your ports.  After that, all your ports will
>> reference symbols in FBSD_1_0, and if libthr doesn't provide
>> sched_yield@FBSD_1_0, it'll find it in libc.
>
> 	I don't know that this issue will fix.  But I know many problems
> 	with SYMVER_ENABLED=yes.

You have to rebuild all your ports if you want to do this.
Or wait until the libraries get bumped and symbol versioning
gets enabled.

-- 
DE