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


Deciding which conversion tools to use and install them

If you use the available conversion tools, you will find that upgrading can be a very simple procedure. The following conversion tools can help in upgrading your source programs to Enterprise COBOL programs:

COBOL Conversion Tool (CCCA)
The COBOL and CICS/VS Command Level Conversion Aid (CCCA) automatically converts your old COBOL programs, either OS/VS COBOL or VS COBOL II with CMPR2, into COBOL 85 Standard code that you can compile with Enterprise COBOL. It also provides you with reports of the statements that were changed. CCCA is included in Debug Tool Utilities and Advanced Functions.

For more information on CCCA, see Conversion tools for source programs.

OS/VS COBOL MIGR compiler option
The MIGR option identifies source statements that need to be converted to compile under Enterprise COBOL.
CMPR2, FLAGMIG, and NOCOMPILE compiler options
The COBOL CMPR2, FLAGMIG, and NOCOMPILE options identify source statements that need to be converted to compile under Enterprise COBOL. The CMPR2 and FLAGMIG options are not available in Enterprise COBOL, but you can use your older compilers with these options to flag the statements that need to be changed in order to compile with Enterprise COBOL.
Other conversion tools you might want to use include:

These conversion tools are fully described in Conversion tools for source programs.

If you plan to use CCCA, CAMA, or COBOL Report Writer Precompiler, install it at this time. For installation instructions, see the documentation for the conversion tool(s) you plan to use.


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