Rational Developer for System z
Enterprise PL/I for z/OS, Version 4.2, Compiler and Run-Time Migration Guide

Migrating from earlier releases of Enterprise PL/I to Enterprise PL/I V4R2

Migrating from Enterprise PL/I V4R1
SQL preprocessor differences from Enterprise PL/I V4R1
Dropped SQL preprocessor options
Handling of LOB declarations
Invalid host variable references
Handling of SQL preprocessor messages
Migrating from Enterprise PL/I Version 3 (all releases)
Changes in Enterprise PL/I Version 3 releases
Messages that are introduced with V4R2
Compiler messages that are introduced with V4R2
Preprocessor messages that are introduced with V4R2
Compiler messages that are introduced with V4R1
Compiler messages that are introduced with V3R9
Compiler messages that are introduced with V3R8
Compiler messages that are introduced with V3R7
Compiler messages that are introduced with V3R6
Compiler messages that are introduced with V3R5
Compiler messages that are introduced with V3R4
Object compatibility
Runtime changes

This book concentrates on the migration effort in migrating from OS PL/I or PL/I for MVS & VM to Enterprise PL/I V4R2. If you have already moved to Enterprise PL/I Version 3 Releases, or V4R1, migration to Enterprise PL/I V4R2 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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