Rational Developer for System z
Enterprise PL/I for z/OS, Version 3.8, Migration Guide

Run-time migration - Moving to Language Environment

Every PL/I program requires run-time library routines to execute.

Do not make more than one PL/I run-time library available to your applications at execution time. For example, there should be one and only one PL/I run-time library, such as SCEERUN for Language Environment, in LNKLST. If you have more than one you will either get hard-to-find errors or you will have an unused load library in your concatenation. In addition, if you have more than one run-time library in your concatenation, then you have an invalid configuration that is not supported by IBM.

If you have not already moved to Language Environment and are using a pre-Language Environment PL/I compiler, such as OS PL/I V2R3, you will need to read Planning the move to Language Environment.

If you have already moved to Language Environment and are migrating to the new IBM Enterprise PL/I for z/OS compiler, you can begin reading about compiler migration in Planning to move to the new compiler.


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