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  3. February 2016

Re: Upgrading 3rd party products which include copysrc

<shudder> OPM <shudder>

Oh well I can kind of see it then.

But I'm still of the option that vendors should provide updates that don't
require a recompile. ;)

Take a page from IBM's book and include a "data format" parm or DS-subfield.

Granted, probably a bit difficult to change after 20 years...

Personally, I'd have considered leaving the OPM calls alone. If the
customers wanted the new functionality they'd need to use ILE interface.

Having come from an environment where even a recompile meant the program
had to be re-tested...I very much frown on having a vendor tell me "you
just have to recompile."

Charles

On Mon, Feb 8, 2016 at 5:41 PM, Bradley Stone <bvstone@xxxxxxxxx> wrote:

Charles,

I didn't mention any ILE.

The example I gave is similar to an OPM that we've had available for 20+
years. No ILE, no signatures, etc. A straight CALL.

In this case when the parameter list (a data structure) changes, a
recompile is required. No big deal to do that. Never had anyone complain
about it (at least to my face. lol).

Brad
www.bvstools.com

On Mon, Feb 8, 2016 at 4:32 PM, Charles Wilt <charles.wilt@xxxxxxxxx>
wrote:

DOSTUFF should have been updated in such a manner as to not require
recompile.

- No existing parameters changed
- new Parms added as OPTION(*OMIT)

If you absolutely must change an existing parm, there are a couple tricks
- rename, in the service program, DOSTUFF to DOSTUFF_OLD. Add a new
DOSTUFF().

Since the procedures all called by position at run time, any existing
calls
will continue to call DOSTUFF_OLD. But when they get recompiled, they'd
get the new DOSTUFF and could make changes then.

Charles

On Mon, Feb 8, 2016 at 5:23 PM, Bradley Stone <bvstone@xxxxxxxxx> wrote:

Jon... here's an example where it would make a difference (but wasn't
the
issue Paul is speaking about)

An application uses a parameter list that's defined as a data
structure.
That parameter list is used by the program as an *ENTRY list. We'll
call
our application DOSTUFF.

To call DOSTUFF from a program (MYPGM for example) it will need the
same
parameter list. That parameter list is included in a /copy member when
you
install to DOSTUFF application.

If you put the new version of DOSTUFF (and subsequently a new /copy
member
where the parameter list has been updated) on and do NOT recompile
MYPGM...
pointer or parameter errors or corrupt data happens. The parameter
lists
don't match up.

Recompile the program(s) that call DOSTUFF so the new /copy member is
brought into the MYPGM program and things are fine again because the
parameter list matches.

Brad
www.bvstools.com

On Mon, Feb 8, 2016 at 4:12 PM, Jon Paris <jon.paris@xxxxxxxxxxxxxx>
wrote:

Any copy source is included by the compiler at the time that the
module/program is compiled Paul. There is absolutely no way it can
have
any impact on a system where none of the programs/service programs
have
been recompiled.

If after migration the programs failed then there is another reason
and
the job log should give some hints. Most likely off the top of my
head
would be differences in library list (missing files and/or programs)
or
missing service programs.

But missing copy source - nope - no way.


On Feb 8, 2016, at 3:40 PM, Steinmetz, Paul <PSteinmetz@xxxxxxxxxx

wrote:

Rob,

Our RPGLE source, which includes 3rd party /copy
XXX/QRPGLECPY,XXXYZ
The 3rd party product is integrated into our code.

Paul

-----Original Message-----
From: MIDRANGE-L [mailto:midrange-l-bounces@xxxxxxxxxxxx] On
Behalf
Of
rob@xxxxxxxxx
Sent: Monday, February 08, 2016 3:28 PM
To: Midrange Systems Technical Discussion
Subject: Re: Upgrading 3rd party products which include copysrc

I'm a little confused.

Just to get started, what do you mean by copysrc? Stuff that is
used
in
RPGLE with /copy and/or /include statements?

If so, then how would one know you had an issue unless you WERE
doing a
recompile?

Trying to think how such a migration might work, and I can see it
being
really different based on the vendor's mind set.

For example, if I was migrating from version x to version y of some
vendor's package they may first migrate all the data to a new library
in
a
new format. Like add new columns, change column attributes, etc.
Then they would recompile all programs to get these new layouts.
Some
may ask why they would recompile versus just sending you end version
objects and the answer would be because they may allow you to add
your
own
modifications to the new tables.

As far as testing /copy or /include one may have to see if they
have
a
hardcoded library on the statement, or if their instructions assume a
certain order in your library list.



Rob Berendt
--
IBM Certified System Administrator - IBM i 6.1 Group Dekko Dept
1600
Mail to: 2505 Dekko Drive
Garrett, IN 46738
Ship to: Dock 108
6928N 400E
Kendallville, IN 46755
http://www.dekko.com





From: "Steinmetz, Paul" <PSteinmetz@xxxxxxxxxx>
To: "'Midrange Systems Technical Discussion'"
<midrange-l@xxxxxxxxxxxx>
Date: 02/08/2016 03:12 PM
Subject: Upgrading 3rd party products which include copysrc
Sent by: "MIDRANGE-L" <midrange-l-bounces@xxxxxxxxxxxx>



On an R&D LPAR, I upgraded two 3rd party products last week, both
of
which
use copysrc.
Both products stated no re-compilation needed.

Both products had failures related to the copysrc, recompilations
were
needed.

How does one include the new copy src for the recompiles and test
the
new
objects, prior to doing the upgrade?


Thank You
_____
Paul Steinmetz
IBM i Systems Administrator

Pencor Services, Inc.
462 Delaware Ave
Palmerton Pa 18071

610-826-9117 work
610-826-9188 fax
610-349-0913 cell
610-377-6012 home

psteinmetz@xxxxxxxxxx
http://www.pencor.com/

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