1. Exported Procedures should not be in the same member as a linear or cyclic main procedure.
2. Exported Procedures should be bound into a Service Program
3. The service program should be bound to the program.
The easiest way is to register the Service Program in a Binding Directory and then specifying the binding directory in the compile command or even better register in the H-Specs/CTL-OPT keyword BINDDIR

Mit freundlichen Grüßen / Best regards

Birgitta Hauser
Modernization – Education – Consulting on IBM i
Database and Software Architect
IBM Champion since 2020

"Shoot for the moon, even if you miss, you'll land among the stars." (Les Brown)
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-----Original Message-----
From: RPG400-L <rpg400-l-bounces@xxxxxxxxxxxxxxxxxx> On Behalf Of Brian Parkins
Sent: Wednesday, 15 May 2024 10:24
To: RPG programming on the IBM i (AS/400 and iSeries) <rpg400-l@xxxxxxxxxxxxxxxxxx>
Subject: EXPORTing subprocedures

OK, here is something I have never quite understood. Can anyone explain why subprocedures within a Linear Main *MODULE have to be EXPORTed - even when only referenced within the same *MODULE?

Example: A single source member follows, (please be gentle with my
coding.) CRTBNDRPG used with this particular example.
// Linear Main *MODULE with subprocedure // Subprocedure MSG requires EXPORT keyword - why???
Ctl-Opt DftActGrp(*No) Main(MainProc);
Dcl-PR MainProc ExtPgm('PGM2_PROC1');
Dcl-Proc MainProc;
Dcl-PI MainProc;
Dcl-PR Msg;
Dcl-S UserId Char(10) Inz(*USER);
Dsply 'In MainProc' UserId;

Dcl-Proc Msg Export;
Dcl-PI Msg;
Dcl-S UserId Char(10) Inz(*USER);
Dsply 'In Msg Proc' UserId;

If I rewrite the above as a Cycle Main *MODULE, the EXPORT keyword is not required on the subprocedure. The RPG Reference states:
"If the EXPORT keyword is not specified, the procedure can only be called from within the module."
So why is EXPORT needed in the above example? (If it is removed, a bind error occurs.)

Thx for any insight.
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