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To: pgsql-interfaces@postgresql.org
Subject: Darwin libpq link failing 
Date: Wed, 26 Feb 2003 23:40:55 -0500
From: ash <xpi@aeria.net>
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	I have a library that I wrote under OpenBSD and built with no problem for years.. but as I'm porting to darwin, I'm noticing some .. unpleasend behavioure during final linking on a Mac OS 10.2.4 sytem . please point out any  oversights.. 

first versions.. 
xpi@ryoku:mutilities>psql -V                                               <xpi
psql (PostgreSQL) 7.3.1
built locally  with --no-readline as it's only configure option

and gcc 3.1..
on 
root@ryoku:src>uname -a                                                   <root
Darwin ryoku 6.3 Darwin Kernel Version 6.3: Sat Dec 14 03:11:25 PST 2002; root:xnu/xnu-344.23.obj~4/RELEASE_PPC  Power Macintosh powerpc

Please note that it doesn't bomb after -lpq , as it would if it were an unreadable/invalid library name 

xpi@ryoku:mutilities>make test                                             <xpi
gcc -O -pipe  -Wall -g -Dbugs -I/Users/xpi/tmpsrc/lib/mutilities  -L/Users/xpi/tmpsrc/lib/mutilities -Dpthreads -Ddarwin -I/usr/local/pgsql/include -L/usr/local/pgsql/lib -lpq -lpq   mutil.o maintest.c
ld: Undefined symbols:
_PQclear
_PQerrorMessage
_PQsetdbLogin
...
_PQstatus
*** Error code 1

just to make life difficult for my typo's:
root@ryoku:lib>nm libpq.a |  grep _PQclear                                <root
	 U _PQclear
000006a0 T _PQclear
  	 U _PQclear
root@ryoku:lib>pwd                                                        <root /usr/local/pgsql/lib



thank you for your time,
>ash