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From: Bruce Momjian <[email protected]>
To: Robert Treat <[email protected]>
Cc: Martin Münstermann <[email protected]>
Cc: [email protected]
Subject: Re: 8.0.0beta1: -lpthread missing
Date: Tue, 10 Aug 2004 21:19:18 -0400 (EDT)
Message-ID: <[email protected]> (raw)
In-Reply-To: <[email protected]>

Robert Treat wrote:
> > `pthread_once'
> > ../../../src/interfaces/libpq/libpq.so: undefined reference to
> > `pthread_key_create'
> > ../../../src/interfaces/libpq/libpq.so: undefined reference to
> > `pthread_setspecific'
> > collect2: ld returned 1 exit status
> >
> >
> >
> > Please describe a way to repeat the problem.   Please try to provide a
> > concise reproducible example, if at all possible:
> > ----------------------------------------------------------------------
> > # ./configure --prefix=/opt/postgresql-800beta1 --enable-thread-safety
> > # make
> >
> >
> > If you know how this problem might be fixed, list the solution below:
> > ---------------------------------------------------------------------
> > The binaries must be linked with pthread (-lpthread).
> >
> 
> Can you take a look at the thread below and report back if that fixes your 
> problem?  http://archives.postgresql.org/pgsql-hackers/2004-08/msg00525.php

I looked at that.  The line that does the tests is in
config/acx_pthread.m4:
	
	acx_pthread_flags="pthreads none -Kthread -kthread lthread -pthread
	-pthreads -mthreads pthread --thread-safe -mt pthread-conf ig"

so you should see that list tried.  Does that help?

I am majorly concerned that Slackware has the same problem as Unixware,
meaning that if you use threading in the lib, you now need the flags on
every applicaiton that uses the lib.  

-- 
  Bruce Momjian                        |  http://candle.pha.pa.us
  [email protected]               |  (610) 359-1001
  +  If your life is a hard drive,     |  13 Roberts Road
  +  Christ can be your backup.        |  Newtown Square, Pennsylvania 19073

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