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Date: Fri, 7 Apr 2006 09:10:56 -0400 (EDT)
From: Daniel Eischen <deischen@freebsd.org>
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To: Csaba Henk <csaba-ml@creo.hu>
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Cc: freebsd-current@freebsd.org
Subject: Re: switching threading libraries
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On Fri, 7 Apr 2006, Csaba Henk wrote:

> Hi!
>
> Compiling a threaded program foo with "-pthread", if I want to run it
> like
>
>   LD_LIBMAP=libpthread.so.2=libc_r.so foo
>
> then it will complain
>
>   /libexec/ld-elf.so.1: /usr/lib/libc_r.so: version LIBTHREAD_1_0 required by foo not defined
>
> I know it's because symbol versioning has entered the scene... I just
> wonder if there is some workaround... Some way to trasparently switch
> between threading libs?

Only between libthr and libpthread.  libc_r doesn't have symbol
versioning.

-- 
DE