Date: Fri, 27 Oct 2000 18:15:28 -0500
From: "Ross J. Reedstrom" <reedstrm@rice.edu>
To: "Gustavo R. Bonet" <gbonet@bna.com.ar>
Cc: pgsql-interfaces@postgresql.org
Subject: Re: C program compilation
Message-ID: <20001027181528.A10276@rice.edu>
Mail-Followup-To: "Gustavo R. Bonet" <gbonet@bna.com.ar>,
	pgsql-interfaces@postgresql.org
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	from gbonet@bna.com.ar on Fri, Oct 27, 2000 at 01:07:12PM -0300

On Fri, Oct 27, 2000 at 01:07:12PM -0300, Gustavo R. Bonet wrote:
> I'm a beginner in PostGreSQL and I'm trying to meka my first interface with
> a C
> program.
> 
> Like the documentation says, I'm using the following sentence to compile:
> 
> gcc -o output_name -I /usr/include/pgsql -lpq myprogram.c
> 
> But, in two diferent Linux servers the answer was:
> 
> /usr/lib/libpq.so: undefined reference to `crypt'
> collect2: ld returned 1 exit status
> 
> I have tryed with millons ways changing the order, including other paths,
> etc. ... and
> nothing.


Ah, but did you try to find out where crpyt is defined on your system? I
bet it's in a libcrypt (it used to be in libc), so try something like:

 gcc -o output_name -I /usr/include/pgsql -lpq -lcrypt myprogram.c

Ross Reedstrom
-- 
Open source code is like a natural resource, it's the result of providing
food and sunshine to programmers, and then staying out of their way.
[...] [It] is not going away because it has utility for both the developers 
and users independent of economic motivations.  Jim Flynn, Sunnyvale, Calif.