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* Darwin libpq link failing
@ 2003-02-27 04:40 ash <xpi@aeria.net>
2003-03-02 17:48 ` Re: Darwin libpq link failing Tom Lane <tgl@sss.pgh.pa.us>
0 siblings, 1 reply; 3+ messages in thread
From: ash @ 2003-02-27 04:40 UTC (permalink / raw)
To: pgsql-interfaces
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
^ permalink raw reply [nested|flat] 3+ messages in thread
* Re: Darwin libpq link failing
2003-02-27 04:40 Darwin libpq link failing ash <xpi@aeria.net>
@ 2003-03-02 17:48 ` Tom Lane <tgl@sss.pgh.pa.us>
2003-03-07 04:06 ` Re: Darwin libpq link failing Bruce Momjian <pgman@candle.pha.pa.us>
0 siblings, 1 reply; 3+ messages in thread
From: Tom Lane @ 2003-03-02 17:48 UTC (permalink / raw)
To: ash <xpi@aeria.net>; +Cc: pgsql-interfaces
ash <xpi@aeria.net> writes:
> 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
Surely the library reference must come after the files that reference
it.
regards, tom lane
^ permalink raw reply [nested|flat] 3+ messages in thread
* Re: Darwin libpq link failing
2003-02-27 04:40 Darwin libpq link failing ash <xpi@aeria.net>
2003-03-02 17:48 ` Re: Darwin libpq link failing Tom Lane <tgl@sss.pgh.pa.us>
@ 2003-03-07 04:06 ` Bruce Momjian <pgman@candle.pha.pa.us>
0 siblings, 0 replies; 3+ messages in thread
From: Bruce Momjian @ 2003-03-07 04:06 UTC (permalink / raw)
To: Tom Lane <tgl@sss.pgh.pa.us>; +Cc: ash <xpi@aeria.net>; pgsql-interfaces
Tom Lane wrote:
> ash <xpi@aeria.net> writes:
> > 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
>
> Surely the library reference must come after the files that reference
> it.
Right. Some linkers seem to do reordering themselves, while others
require the ordering to be specified in the proper dependency order; I
prefer a linker that doesn't do any reordering itself --- it can lead to
surprises and doesn't handle well cases where the same symbol is defined
in multiple libraries.
--
Bruce Momjian | http://candle.pha.pa.us
pgman@candle.pha.pa.us | (610) 359-1001
+ If your life is a hard drive, | 13 Roberts Road
+ Christ can be your backup. | Newtown Square, Pennsylvania 19073
^ permalink raw reply [nested|flat] 3+ messages in thread
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2003-02-27 04:40 Darwin libpq link failing ash <xpi@aeria.net>
2003-03-02 17:48 ` Tom Lane <tgl@sss.pgh.pa.us>
2003-03-07 04:06 ` Bruce Momjian <pgman@candle.pha.pa.us>
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