Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Wed, 14 Mar 2001 05:41:34 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Wed, 14 Mar 2001 05:41:25 -0500 Received: from imladris.infradead.org ([194.205.184.45]:4364 "EHLO infradead.org") by vger.kernel.org with ESMTP id ; Wed, 14 Mar 2001 05:41:07 -0500 Date: Wed, 14 Mar 2001 10:39:53 +0000 (GMT) From: Riley Williams To: Linus Torvalds , Alan Cox cc: Christian Seberino , Linux Kernel Subject: [PATCH] Improved version reporting In-Reply-To: <11a40b11caeb.11caeb11a40b@nosc.mil> Message-ID: MIME-Version: 1.0 Content-Type: MULTIPART/MIXED; BOUNDARY="-842912328-942955428-984566393=:26570" Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org This message is in MIME format. The first part should be readable text, while the remaining parts are likely unreadable without MIME-aware tools. Send mail to mime@docserver.cac.washington.edu for more info. ---842912328-942955428-984566393=:26570 Content-Type: TEXT/PLAIN; charset=US-ASCII Hi all. As a result of private email correspondance I have recently received, I became aware that the current system of identifying the versions of the various subsystems required to support any particular kernel version is inadequate, and decided to do something about it. The enclosed patch is my offering to rectify this. The problems identified are: 1. Different subsystems are identified in Documentation/Changes and in scripts/ver_linux, probably due to the difficulty of maintaining two files in sync with each other. As a result, it is not clear what the required versions of some subsystems are. 2. The existing script does not make it clear which subsystems need to be updated. The user is expected to decide by cross-referencing the details it provides with those provided elsewhere. 3. The command to perform this analysis is not immediately obvious. My offering (developed against the 2.4.2 kernel source tree) does away with all three of these problems by: A. Making Documentation/Changes the sole source of information on the subsystems required. The script I have developed then reads the table in this file, and uses commands listed therein to determine the installed versions of the relevant subsystems. The format of this table had to be changed slightly to accommodate the script, but this was done without impairing the readability thereof. B. Adding lines to Documentation/Changes to document those subsystems listed by scripts/ver_linux that were not already in the table in Documentation/Changes so that all relevant subsystems are considered. This was done by adding a separate table formatted identically to the existing one, but indicating that the subsystems therein may not be required. Note that the "required versions" listed in this new table are those installed on my system, with the exception of the Linux C++ library which is apparently not installed here. These versions need to be tweaked to reflect the actual requirements for that kernel. C. Comparing the installed and required versions of each subsystem, and indicating the results of that comparison in the displayed results by colouring the name of the subsystem. A facility to disable this is also included, and is activated by providing a parameter to the script. Any parameter will serve this function. D. Inserting lines in the primary Makefile to allow `make vsn` to run the relevant command to generate the results with colouring, and `make vsnbw` to do so without colours. Both change the permissions of the script to make it an executable. There is ONE problem with this method, which I have not been able to solve. This is that the command used by scripts/ver_linux to determine the installed version of the Gnu C Library can't be replicated using the method this script is based on, and I have had to replace it with a simpler script which may produce different results in some cases. If this is a problem, it is open to others to solve as I have licensed this under version 2 (only) of the Gnu General Public Licence. Best wishes from Riley. ---842912328-942955428-984566393=:26570 Content-Type: TEXT/PLAIN; charset=US-ASCII; name="versions.diff" Content-Transfer-Encoding: BASE64 Content-ID: Content-Description: Version reporting patch for 2.4.2 Content-Disposition: attachment; filename="versions.diff" LS0tIGxpbnV4L0RvY3VtZW50YXRpb24vQ2hhbmdlc34JRnJpIEZlYiAxNiAy Mzo1MzowOCAyMDAxDQorKysgbGludXgvRG9jdW1lbnRhdGlvbi9DaGFuZ2Vz CVR1ZSBNYXIgMTMgMjM6Mzg6NDYgMjAwMQ0KQEAgLTQ4LDE2ICs0OCwzMSBA QA0KIENhcmQpIGhhcmR3YXJlLCBmb3IgZXhhbXBsZSwgeW91IHByb2JhYmx5 IG5lZWRuJ3QgY29uY2VybiB5b3Vyc2VsZg0KIHdpdGggcGNtY2lhLWNzLg0K IA0KLW8gIEdudSBDICAgICAgICAgICAgICAgICAgMi45MS42NiAgICAgICAg ICAgICAgICAgIyBnY2MgLS12ZXJzaW9uDQorbyAgR251IEMgICAgICAgICAg ICAgICMgICAyLjkxLjY2ICAgICAgIyBnY2MgLS12ZXJzaW9uDQotbyAgR251 IG1ha2UgICAgICAgICAgICAgICAzLjc3ICAgICAgICAgICAgICAgICAgICAj IG1ha2UgLS12ZXJzaW9uDQorbyAgR251IG1ha2UgICAgICAgICAgICMgICAz Ljc3ICAgICAgICAgIyBtYWtlIC0tdmVyc2lvbg0KLW8gIGJpbnV0aWxzICAg 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