From: Darko Prenosil <Darko.Prenosil@finteh.hr>
To: pgmoscatt@optushome.com.au
To: PostgreSQL [INTERFACES] List <pgsql-interfaces@postgresql.org>
Subject: Re: Connecting - Need Help !
Date: Mon, 14 Jul 2003 16:00:56 +0200
Message-ID: <001a01c34a10$88f62230$1d8abfd5@darko> (raw)
References: <1058261289.3691.4.camel@localhost>
----- Original Message -----
From: "Peter Moscatt" <pgmoscatt@optushome.com.au>
To: "PostgreSQL [INTERFACES] List" <pgsql-interfaces@postgresql.org>
Sent: Tuesday, July 15, 2003 11:28 AM
Subject: [INTERFACES] Connecting - Need Help !
> I am trying my first attempt to write code which will conect to a test
> database I have created.
>
> The code I used is shown below:
>
> void ConnectDatabase()
> {
> char *pghost;
> char *pgport;
> char *pgoptions;
> char *pgtty;
> char *dbName;
>
> PGconn *conn;
> PGresult *res;
>
> pghost = NULL;
> pgport = NULL;
> pgoptions = NULL;
> dbName = "linlog";
>
> conn = PQsetdb(pghost,pgport,pgoptions,pgtty,dbName);
> }
>
>
>
>
> When I compile and make I get the following error:
>
> linlog.o(.text+0x177): In function `ConnectDatabase()':
> /home/pmoscatt/C++/linlog/linlog/linlog.cpp:30: undefined reference to
> `PQsetdbLogin'
> collect2: ld returned 1 exit status
> gmake[2]: *** [linlog] Error 1
> gmake[2]: Leaving directory `/home/pmoscatt/C++/linlog/linlog'
> gmake[1]: Leaving directory `/home/pmoscatt/C++/linlog'
> gmake[1]: *** [all-recursive] Error 1
> gmake: *** [all-recursive-am] Error 2
> *** failed ***
>
>
>
> What have I done wrong here ??
>
> Pete
>
It is not compile, but linking problem.
You should link Your program with libpq library,
which is usually done by writing something like:
LDFLAGS = -L/usr/local/pgsql/lib -lpq
to Makefile, but it depends on build system You are using.
Regards !
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To: pgsql-interfaces@postgresql.org
Cc: Darko.Prenosil@finteh.hr, pgmoscatt@optushome.com.au
Subject: Re: Connecting - Need Help !
In-Reply-To: <001a01c34a10$88f62230$1d8abfd5@darko>
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