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


Compiler options not supported in Enterprise COBOL

Table 1 lists the VS COBOL II compiler options that are not supported in Enterprise COBOL. In some cases, the function of the VS COBOL II compiler option is mapped to an Enterprise COBOL compiler option, as described in the comments section.

Table 1. Compiler options not supported in Enterprise COBOL
VS COBOL II compiler options Comments
CMPR2 The CMPR2 option is not supported. You must convert programs compiled with CMPR2 to COBOL 85 Standard in order to compile them with Enterprise COBOL.
FDUMP/NOFDUMP Enterprise COBOL does not provide the FDUMP compiler option. For existing applications, FDUMP is mapped to the Enterprise COBOL TEST(SYM) compiler option, which can provide equivalent function and more.

Language Environment generates a better formatted dump than VS COBOL II, regardless of the FDUMP option. However, the use of TEST(SYM) enables Language Environment to include the symbolic dump of information about data items in the formatted dump.

For information about how to obtain the Language Environment formatted dump at abnormal termination, see Language Environment Debugging Guide and Run-Time Messages.

If NOFDUMP is encountered, Enterprise COBOL issues a warning message because NOFDUMP is not supported.

FLAGMIG The FLAGMIG option is not supported in Enterprise COBOL. FLAGMIG requires CMPR2, which is not supported in Enterprise COBOL. To get similar migration flagging use CCCA, this Migration Guide, or a compiler released prior to Enterprise COBOL to compile programs that use FLAGMIG.
FLAGSAA Enterprise COBOL does not support the FLAGSAA option. If FLAGSAA is specified, Enterprise COBOL issues a warning message.
RES/NORES Enterprise COBOL does not provide the RES/NORES compiler option. If RES is encountered, Enterprise COBOL issues an informational message. If NORES is encountered, Enterprise COBOL issues a warning message.

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