Andrew Sullivan wrote:

>On Wed, Jun 08, 2005 at 01:03:30PM -0400, Christopher Browne wrote:
>  
>
>>John Liu wrote:
>>    
>>
>>>2. I tried to reconfigure postgresql7.4 on AIX 5.1 with
>>>--enable-thread-safety, I got error -
>>>      
>>>
>
>  
>
>>Hmm.  Is it possible that libm is missing? 
>>    
>>
>
>Also, have you applied the needed patch?  There's this note on the
>slony home page:
>
>The multithreaded replication engine requires the libpq client
>library to be compiled with --enable-thread-safety on certain
>operating systems. Known are thus far Solaris and AIX. Other
>operating systems are known to not require this (Linux-X86,
>FreeBSD-X86, FreeBSD-Alpha, OpenBSD-Sparc64 and OSX). The
>configuration script is broken with respect to the
>--enable-thread-safety switch for Solaris. Please apply this patch,
>configure and recompile libpq: threadsafe-libpq-742.diff.gz. We will
>make patches for 7.3.x available on request.
>
>A
>
>  
>
That patch is specific to Solaris, though.

It wasn't needed for AIX.