Re: Method to force keeping of source was Re: Is it possible to use th

From: Lueko Willms (l.willms_at_jpberlin.de)
Date: 06/23/04 

Date: 23 Jun 2004 07:38:00 GMT

     Am 22.06.04
schrieb cfmtech@istar.ca (Clark F. Morris, Jr.)
    auf /COMP/LANG/COBOL
     in cbahjl$a5r$1@news.eusc.inter.net
  ueber Method to force keeping of source was Re: Is it possible to use the va

LW>> It's one thing for a user to know *that* he has to recompile a program
LW>> that was compiled under SSR 45.1 before it will execute under SSR 50.1
LW>> (after all, the MCP will tell him "This codefile is too old to run on
LW>> this release" if he tries); it may not be nearly so clear *how*
the
LW>> undocumented internal interfaces might have changed, much less *why*,
LW>> between those releases, or what the consequences would be if he
LW>> convinced the MCP to relent in its prohibition.

CFMJ> The above is one way to force a shop to keep correct source. This
CFMJ> must make system upgrades interesting. I think that IBM is of two
CFMJ> minds on this. The z series is still able to execute many programs
CFMJ> that were compiled and linked 30 years ago and more (360 and
CFMJ> descendants).

  The same applies (or at least, did apply) to Unisys' OS/1100 line
from the Sperry branch, which is called IX now, I understand.

Yours,
Lüko Willms http://www.mlwerke.de
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