From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 14311 invoked by alias); 20 Mar 2008 11:42:18 -0000 Received: (qmail 14302 invoked by uid 22791); 20 Mar 2008 11:42:18 -0000 X-Spam-Check-By: sourceware.org Received: from exprod6og103.obsmtp.com (HELO exprod6og103.obsmtp.com) (64.18.1.185) by sourceware.org (qpsmtpd/0.31) with ESMTP; Thu, 20 Mar 2008 11:41:35 +0000 Received: from source ([192.150.11.134]) by exprod6ob103.postini.com ([64.18.5.12]) with SMTP; Thu, 20 Mar 2008 04:41:33 PDT Received: from inner-relay-1.corp.adobe.com ([153.32.1.51]) by outbound-smtp-1.corp.adobe.com (8.12.10/8.12.10) with ESMTP id m2KBclin007192; Thu, 20 Mar 2008 04:38:47 -0700 (PDT) Received: from apacmail.pac.adobe.com (apacmail.pac.adobe.com [130.248.36.99]) by inner-relay-1.corp.adobe.com (8.12.10/8.12.10) with ESMTP id m2KBfWRC027665; Thu, 20 Mar 2008 04:41:32 -0700 (PDT) Received: from namailgen.corp.adobe.com ([10.8.192.91]) by apacmail.pac.adobe.com with Microsoft SMTPSVC(6.0.3790.1830); Thu, 20 Mar 2008 20:41:31 +0900 Received: from 10.32.16.88 ([10.32.16.88]) by namailgen.corp.adobe.com ([10.8.192.91]) via Exchange Front-End Server namailhost.corp.adobe.com ([10.8.192.70]) with Microsoft Exchange Server HTTP-DAV ; Thu, 20 Mar 2008 11:41:30 +0000 User-Agent: Microsoft-Entourage/12.1.0.080305 Date: Thu, 20 Mar 2008 11:42:00 -0000 Subject: Re: What does the version number of gcc mean ? From: John Love-Jensen To: d hongqian , GCC-help Message-ID: In-Reply-To: <63dd345a0803200056x1e794bdfo80611619dfdc4ae9@mail.gmail.com> Mime-version: 1.0 Content-type: text/plain; charset="US-ASCII" Content-transfer-encoding: 7bit X-IsSubscribed: yes Mailing-List: contact gcc-help-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Id: List-Archive: List-Post: List-Help: Sender: gcc-help-owner@gcc.gnu.org X-SW-Source: 2008-03/txt/msg00194.txt.bz2 Hi d hongqian, > I want to know the version of gcc 's mean. For example: the gcc > 3.4.6, what's the difference between the 3.4.6 and 3.4.5. > and what's difference between 3.3.0 and 3.2.0 and what's the > difference between 3.0.0 and 4.0.0. Look at the GCC release notes. Using Google (for example), search for: release notes site:gcc.gnu.org > If I want to update my gcc, how many things should also be update > so that the system could be stable. q.v.: http://gcc.gnu.org/install/prerequisites.html HTH, --Eljay