Received: from sss.pgh.pa.us ([216.151.103.158])
	by postgresql.org (8.11.3/8.11.1) with ESMTP id f3F18Ou74133
	for <pgsql-interfaces@postgresql.org>;
	Sat, 14 Apr 2001 21:08:24 -0400 (EDT)
	(envelope-from tgl@sss.pgh.pa.us)
Received: from sss2.sss.pgh.pa.us (tgl@localhost [127.0.0.1])
	by sss.pgh.pa.us (8.11.3/8.11.3) with ESMTP id f3F18HR24991;
	Sat, 14 Apr 2001 21:08:17 -0400 (EDT)
To: Lonnie Cumberland <lonnie_cumberland@yahoo.com>
cc: Peter Eisentraut <peter_e@gmx.net>, pgsql-interfaces@postgresql.org
Subject: Re: [SQL] g++ not working for postgresql extension languages? 
In-reply-to: <20010415004615.35217.qmail@web12508.mail.yahoo.com> 
References: <20010415004615.35217.qmail@web12508.mail.yahoo.com>
Comments: In-reply-to Lonnie Cumberland <lonnie_cumberland@yahoo.com>
	message dated "Sat, 14 Apr 2001 17:46:15 -0700"
Date: Sat, 14 Apr 2001 21:08:17 -0400
Message-ID: <24987.987296897@sss.pgh.pa.us>
From: Tom Lane <tgl@sss.pgh.pa.us>
X-Archive-Number: 200104/38
X-Sequence-Number: 1421

Lonnie Cumberland <lonnie_cumberland@yahoo.com> writes:
> so now I do not understand why the "gcc" version works and the "g++" version
> does not?

You need to say extern "C" to persuade a C++ compiler to compile a
function as something that can be called from plain C.  They are not
the same language.  See your C++ documentation for more info.

			regards, tom lane