From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <gdb-patches-return-62507-listarch-gdb-patches=sources.redhat.com@sourceware.org>
Received: (qmail 21370 invoked by alias); 27 Mar 2009 11:56:21 -0000
Received: (qmail 21360 invoked by uid 22791); 27 Mar 2009 11:56:20 -0000
X-SWARE-Spam-Status: No, hits=-2.1 required=5.0 	tests=AWL,BAYES_00
X-Spam-Check-By: sourceware.org
Received: from mail-out.m-online.net (HELO mail-out.m-online.net) (212.18.0.10)     by sourceware.org (qpsmtpd/0.43rc1) with ESMTP; Fri, 27 Mar 2009 11:56:14 +0000
Received: from mail01.m-online.net (mail.m-online.net [192.168.3.149]) 	by mail-out.m-online.net (Postfix) with ESMTP id 634BF1C0201A; 	Fri, 27 Mar 2009 12:56:09 +0100 (CET)
Received: from localhost (dynscan2.mnet-online.de [192.168.1.215]) 	by mail.m-online.net (Postfix) with ESMTP id D9B949025B; 	Fri, 27 Mar 2009 12:56:11 +0100 (CET)
Received: from mail.mnet-online.de ([192.168.3.149]) 	by localhost (dynscan2.mnet-online.de [192.168.1.215]) (amavisd-new, port 10024) 	with ESMTP id 4AVkzr8HGEwB; Fri, 27 Mar 2009 12:56:10 +0100 (CET)
Received: from igel.home (DSL01.83.171.182.64.ip-pool.NEFkom.net [83.171.182.64]) 	by mail.mnet-online.de (Postfix) with ESMTP; 	Fri, 27 Mar 2009 12:56:10 +0100 (CET)
Received: by igel.home (Postfix, from userid 501) 	id 651C310DDDB; Fri, 27 Mar 2009 12:56:10 +0100 (CET)
From: Andreas Schwab <schwab@linux-m68k.org>
To: "Pierre Muller" <muller@ics.u-strasbg.fr>
Cc: "'Doug Evans'" <dje@google.com>,  <gdb-patches@sourceware.org>
Subject: Re: [ob] inferior_thread: Remove "extern" in definition.
References: <20090326213807.2D1771C74E3@localhost> 	<001001c9aeb2$e08b3140$a1a193c0$@u-strasbg.fr>
X-Yow: ...A housewife is wearing a polypyrene jumpsuit!!
Date: Fri, 27 Mar 2009 13:57:00 -0000
In-Reply-To: <001001c9aeb2$e08b3140$a1a193c0$@u-strasbg.fr> (Pierre Muller's 	message of "Fri, 27 Mar 2009 09:06:04 +0100")
Message-ID: <m263hvdvs5.fsf@igel.home>
User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/23.0.91 (gnu/linux)
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Mailing-List: contact gdb-patches-help@sourceware.org; run by ezmlm
Precedence: bulk
List-Id: <gdb-patches.sourceware.org>
List-Subscribe: <mailto:gdb-patches-subscribe@sourceware.org>
List-Archive: <http://sourceware.org/ml/gdb-patches/>
List-Post: <mailto:gdb-patches@sourceware.org>
List-Help: <mailto:gdb-patches-help@sourceware.org>, <http://sourceware.org/ml/#faqs>
Sender: gdb-patches-owner@sourceware.org
X-SW-Source: 2009-03/txt/msg00617.txt.bz2

"Pierre Muller" <muller@ics.u-strasbg.fr> writes:

> I am just very curious here:
> why does GCC accept such non-sense?

It's not nonsense, but strict C.

> If it is the implementation, it can't be external at the same time...

"extern" is only about linkage.  In a definition if the linkage is not
static then extern is implicit, but making it explicit is not an error.

Andreas.

-- 
Andreas Schwab, schwab@linux-m68k.org
GPG Key fingerprint = 58CA 54C7 6D53 942B 1756  01D3 44D5 214B 8276 4ED5
"And now for something completely different."