Rational Developer for System z
Enterprise COBOL for z/OS, Version 4.1, Compiler and Runtime Migration Guide


Migrating from CMPR2 to NOCMPR2

This chapter describes the differences between compiler option setting CMPR2 and compiler option setting NOCMPR2. If your COBOL source programs were compiled with the CMPR2 compiler option, you must convert them to NOCMPR2 programs in order to compile them with Enterprise COBOL. The CMPR2/NOCMPR2 compiler option is no longer supported in Enterprise COBOL. However, Enterprise COBOL programs behave as if NOCMPR2 is always in effect.

This chapter contains information on the following topics you will need to consider when examining your COBOL source programs that were compiled with the CMPR2 option:

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