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Date:      Mon, 13 Aug 2001 09:45:49 -0700
From:      "David O'Brien" <obrien@FreeBSD.ORG>
To:        Alexey Zelkin <phantom@FreeBSD.ORG>
Cc:        Ruslan Ermilov <ru@FreeBSD.ORG>, Bruce Evans <bde@FreeBSD.ORG>, arch@FreeBSD.ORG
Subject:   Re: __RCSID() and __VERSION() macros and their ``static const char'' equivalents
Message-ID:  <20010813094549.A94831@dragon.nuxi.com>
In-Reply-To: <20010813174114.A26468@phantom.cris.net>; from phantom@FreeBSD.ORG on Mon, Aug 13, 2001 at 05:41:14PM %2B0300
References:  <20010813165753.A74504@sunbay.com> <20010813174114.A26468@phantom.cris.net>

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On Mon, Aug 13, 2001 at 05:41:14PM +0300, Alexey Zelkin wrote:
> I raised almost same questions two months ago. We even came to
> conclusion, but David asked to suspend this task until he'll make
> some kinds of this black magic in FreeBSD src tree (to avoid merge
> conflicts). But I still not hear anything back.

Acutally I am waiting to hear back from you and BDE about the proposals I
made in June (last message I sent on the topic was 21-June-2001).


> > What is the reason why we should use the old style VCS ID declarations
> > like this:
> > 
> > static const char rcsid[] =
> >   "$FreeBSD$";
> > 
> > instead of their modern equivalent, <sys/cdefs.h> __RCSID() macro?

__RCSID() should be forgotten about.  It is a lost cause like using
"$Id$".  There is just too much imported and barrowed code that uses
__RCSID for us to try to use it also (I tried).  I have a few ideas on
the topic and let see if the small group of us discussing the issue can
flush something out.

> > Not only the macro is backwards compatible in the non-gcc or non-ELF
> > case, but it also "produces" more compact objects.

How is it going to produce more compat objects [all the time for GCC and
non-GCC compilers].  I believe you mean in some implimentations.

-- 
-- David  (obrien@FreeBSD.org)

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