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


VS COBOL II considerations

Applications with multiple load modules including VS COBOL II programs are supported without link-editing with Language Environment except when there is a combination of VS COBOL II NORES programs and a RES program (VS COBOL II, IBM COBOL, or Enterprise COBOL). If a combination of a VS COBOL II NORES program and an Enterprise COBOL or IBM COBOL RES program exists, then the application must be link-edited with Language Environment.

If the main module and submodule are VS COBOL II programs compiled with NORES, they will run without change and provide the same results as before. You do not need to link-edit these programs with Language Environment, however, you will not be able to get IBM service support for these NORES application unless you link-edit them with Language Environment. Once the modules are link-edited with Language Environment, they will be supported by IBM service.

In general, any multiple load module application that contains a VS COBOL II NORES program must be link-edited with Language Environment. If both modules contain only programs that are VS COBOL II RES, IBM COBOL, or Enterprise COBOL then the application is supported and does not need to be link-edited with Language Environment.

For additional link edit requirements, see Adding Enterprise COBOL programs that use static CALL statements.


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