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From: Dirk Heinrichs <dirk.heinrichs@altum.de>
Newsgroups: comp.lang.ada
Subject: Re: Open source Ada OS?
Date: Thu, 27 Jan 2011 18:53:47 +0100
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Date: 2011-01-27T18:53:47+01:00
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anon@att.net wrote:

> Most open OS that use CVS/SVN/GIT are based on BSD or LINUX or the AT&T
> old OS system.

RTEMS, Haiku, Marte, Lovelace, Hurd? Based on Linux? Based on BSD? I guess 
not.

> And before complaining about Ada OSs, remember Linux is a single file
> and to obtain its source, one must download a single archived file. Linux
> does not use CVS/SVN/GIT.

No, of course Linus has created GIT just to proove he can do it.

> As for MaTRE/Openravencar/RTERM are OS for Real_Time applications with
> usage of Posix design.

s/RTERM/RTEMS/, right?

> And all three of these OS have some of the build-in
> libraries written in C based on the Utah OSKIT. So, these OSs may share
> the design concept of openSource but they do not care to spend their time
> in maintaining a source tree as other openSource OS do. Because when a
> maintainer changes one line in a source file to fix a bug it may cause
> changes in 100s of other files. So to maintain the correctness of the OS
> it is better bundle the source files into a single archived file and this
> process decreases the maintaining and download time as well as traffic
> cost.

How does downloading a big archive containing everything reduce download 
times compared to only downloading only the changed files (svn up)?

> And not all of the openSource OS are GCC version 2 or 3 some have modified
> GCC or modified BSD or even their own license that may require the person
> downloading to accept the license before downloading.

s/GCC/GPL/g, right?

Bye...

	Dirk