Date: 21 Aug 2002 20:41:59 -0400 From: Joe Marcus Clarke <marcus@marcuscom.com> To: Archie Cobbs <archie@dellroad.org> Cc: freebsd-stable@FreeBSD.ORG Subject: Re: libc_r (-pthread) linking problem Message-ID: <1029976919.66786.7.camel@shumai.marcuscom.com> In-Reply-To: <200208212300.g7LN02S07898@arch20m.dellroad.org> References: <200208212300.g7LN02S07898@arch20m.dellroad.org>
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On Wed, 2002-08-21 at 19:00, Archie Cobbs wrote:
> Hi,
>
> I'm trying to link an application with a library (libpdel) that itself
> links against libc_r. However, the application fails to link:
>
> cc -O -pipe -D_THREAD_SAFE ... -pthread -o ... -L/usr/local/lib -lpdel -lexpat -lssl -lcrypto -lcrypt
> lws_tmpl_misc.o: In function `lws_tf_crypt_hash':
> lws_tmpl_misc.o(.text+0x3c3): undefined reference to `__pthread_read'
> main.o: In function `main':
> main.o(.text+0x21c): undefined reference to `__pthread_sigwait'
> /usr/local/lib/libpdel.so: undefined reference to `pthread_yield_np'
> /usr/local/lib/libpdel.so: undefined reference to `__pthread_connect'
> /usr/local/lib/libpdel.so: undefined reference to `__pthread_accept'
> /usr/local/lib/libpdel.so: undefined reference to `__pthread_detach'
> /usr/local/lib/libpdel.so: undefined reference to `__pthread_poll'
> /usr/local/lib/libpdel.so: undefined reference to `__pthread_write'
> *** Error code 1
>
> This is on FreeBSD 4.6-stable as of today. This works fine on FreeBSD 4.5.
>
> FYI, none of my code ever calls pthread_yield_np(), so I don't know
> where that symbol is coming from.
>
> Any ideas what the problem is?
I think you need to recompile libpdel for -stable. This should fix your
problem. Those symbols don't even exist in -stable. I built libpdel on
-stable with a bunch of other issues (i.e. -Werror caused a failure due
to a warning in stdio.h, and ${INCOWN}, ${INCGRP}, and ${INCMODE} don't
exist [they are now INCS*]). But, after getting it compiled and
installed:
/tmp 20:38 shumai marcus %582# cc -o xxx -L/usr/local/lib -lpdel
-pthread -lssl -lcrypto -lexpat xxx.c
/tmp 20:38 shumai marcus %583#
Joe
>
> Thanks,
> -Archie
>
> __________________________________________________________________________
> Archie Cobbs * Packet Design * http://www.packetdesign.com
>
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>
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