RE: compiling an RPGLE pgm

Frank,

There have been several good threads here about activation groups and their
mechanics.  I think there were some links to these discussions in the FAQ.

In a nutshell, think of the DFTACTGRP (or DAG as it is known) as "OPM
compatibility mode" for ILE programs.  As long as you don't use ILE specific
enhancements (such as procedures) you can use the DFTACTGRP option to
simplify your compile and runtime environment. 

Ultimately this question boils down to support for local storage.
Procedures allocate storage differently than programs, which is why the
compiler wants to insist that we utilize activation groups to manage these
memory spaces.  Nothing magic, just trying to make things follow the rules.


FWIW, activating things in the DAG is really not a major problem until you
try to reclaim resources.  

Eric DeLong
Sally Beauty Company
MIS-Project Manager (BSG)
940-898-7863 or ext. 1863



-----Original Message-----
From: fkany@xxxxxxxxxxxxxxxxxx [mailto:fkany@xxxxxxxxxxxxxxxxxx]
Sent: Monday, April 21, 2003 11:45 AM
To: CN=RPG programming on the AS400/O=iSeries
Subject: Re: compiling an RPGLE pgm




What's the difference between DFTACTGRP(*NO) and DFTACTGRP(*YES)?  I
specify *NO to get it to compile and run, but I don't have any idea why I'm
doing it.  I guess if someone could give a simple explanation of DFTACTGRP
(*NO) and DFTACTGRP(*YES) so that I could understand what I'm doing when
I'm doing it, I would appreciate it.

TIA,

Frank




rob@xxxxxxxxx@midrange.com on 04/21/2003 10:53:00 AM

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Subject:    Re: compiling an RPGLE pgm


Why does it matter?

Rob Berendt
--
"They that can give up essential liberty to obtain a little temporary
safety deserve neither liberty nor safety."
Benjamin Franklin




fkany@xxxxxxxxxxxxxxxxxx
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04/21/2003 10:38 AM
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Hi All,

Why must I specify DFTACTGRP(*NO) when compiling?  The only thing I'm
doing
different in my program is I'm using prototypes or subprocedures(which
ever
is the correct name) instead of using subroutines.

TIA,

Frank

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