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List:       postgresql-general
Subject:    Re: [GENERAL] Undefined symbols: _poll
From:       Tom Lane <tgl () sss ! pgh ! pa ! us>
Date:       2004-09-30 21:06:43
Message-ID: 25578.1096578403 () sss ! pgh ! pa ! us
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Joe Lester <joe_lester@sweetwater.com> writes:
> I'm just moved my Postgres client project from Mac 10.2.8 to 10.3.5. 
> It's an Objective-C program that links to libpq.a (the header file is 
> libpq-fe.h). However, when I try to compile now I get the following 
> linking error:

> ld: Undefined symbols: _poll

poll() is a system function that seems to be in
/usr/lib/libSystem.B.dylib on my 10.3.5 machine.
Couldn't say why this isn't included automatically
in your program --- we certainly aren't doing anything
to explicitly link it into the standard PG programs
that use libpq.

			regards, tom lane

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