Rational Developer for System z
Enterprise PL/I for z/OS, Version 4.1, Compiler and Run-Time Migration Guide

Moving from earlier releases of Enterprise PL/I to Enterprise PL/I V4R1

Migrating from Enterprise PL/I Version 3 (all releases)
Changes in Enterprise PL/I Version 3 releases
Compiler messages introduced by V4R1
Compiler messages introduced by V3R9
Compiler messages introduced by V3R8
Compiler messages introduced by V3R7
Compiler messages introduced by V3R6
Compiler messages introduced by V3R5
Compiler messages introduced by V3R4
Object compatibility
Run-time changes

This book concentrates on the migration effort in moving from OS PL/I or PL/I for MVS & VM to Enterprise PL/I V4R1. If you have already moved to Enterprise PL/I V3R1, V3R2, V3R3, V3R4, V3R5, V3R6, V3R7, V3R8, or V3R9, migration to Enterprise PL/I V4R1 is relatively easy.

This chapter focuses on differences in the compiler options and in the compiler messages, but there are some other differences in the compiler output that might possibly affect users of earlier release of Enterprise PL/I:


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