|
I'm saying we can continue development on v5r2, using TGTRLS(v4r5) and sending the programs to both
v4r5 and v5r4 field boxes with no issues.
Nope not confusing things <grin>
We've got many field boxes still running v4r5, some run v5r2.
Our development box is running v5r2.
We want to upgrade everything to v5r4 (and yes we know v4r5-->v5r4 directly isn't supported)
Currently, we use TGTRLS(v4r5) when compiling programs going out to the field boxes.
I'm saying we can continue development on v5r2, using TGTRLS(v4r5) and sending the programs to both
v4r5 and v5r4 field boxes with no issues.
I'm just trying to confirm that.
Thanks,
Charles
-----Original Message-----
From: midrange-l-bounces@xxxxxxxxxxxx
[mailto:midrange-l-bounces@xxxxxxxxxxxx] On Behalf Of
smorrison@xxxxxxxxxxxxxxxxxxx
Sent: Tuesday, June 26, 2007 10:45 AM
To: Midrange Systems Technical Discussion
Subject: RE: Documentation of OS/400 forward compatibility
Are you confusing two different concepts, Charles? This
system is very strong on the ability to continue using
programs developed on earlier versions of the OS on more
modern versions. However, when you go backwards, trying to
use current programs on older versions of the OS you run into
the problem of programs expecting features that didn't exist
on earlier versions. Generally, you can compile to the
"current version -2"
level, for example V5R3 systems can compile back to V5R1
levels. One of the limitations in doing this, is that you
can't use language enhancements that were added in V5R2 or
V5R3, since they could depend on feature that aren't
available in the V5R1 OS.
What are you doing that you are concerned with saving things
for older versions?
Steve
Steven Morrison
Fidelity Express
903-885-1283 ext. 479
"Wilt, Charles" <WiltC@xxxxxxxxxx>
Sent by: midrange-l-bounces@xxxxxxxxxxxx
06/26/2007 09:32 AM
Please respond to
Midrange Systems Technical Discussion <midrange-l@xxxxxxxxxxxx>
To
"Midrange Systems Technical Discussion" <midrange-l@xxxxxxxxxxxx>
cc
Subject
RE: Documentation of OS/400 forward compatibility
On related note, I could swear that I recall seeing a
"earliest release
object can be restored to"
field for objects or something to that effect.
But I can't seem to find anything on v5r2 or in the v5r4 infocenter...
Am I losing it or what?
Charles
> -----Original Message-----
> From: midrange-l-bounces@xxxxxxxxxxxx
> [mailto:midrange-l-bounces@xxxxxxxxxxxx] On Behalf Of
> smorrison@xxxxxxxxxxxxxxxxxxx
> Sent: Tuesday, June 26, 2007 9:51 AM
> To: Midrange Systems Technical Discussion
> Subject: Re: Documentation of OS/400 forward compatibility
>
> I can't point you to any documentation, but your question got
> me curious, and I did a search on our system. We have user
> programs created on V1R2 and V2R2 in current use on our
> system, currently running V5R3M5.
>
>
> Steven Morrison
> Fidelity Express
> 903-885-1283 ext. 479
> --
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