COBOL Std 11 Build and Compilation

11. Build and Compilation

11.1 Recommended cobc Flags

Flag	Purpose
-Wall	Enable all warnings; treat unexplained warnings as defects.
-Wtruncate	Warn on MOVE where source is wider than destination.
-debug	Enable PERFORM stack checking in test builds.
-O2	Enable optimisation in production builds.
-free	Only if the project adopts free-format source throughout.

11.2 GixSQL Pre-Processor

• Run gixpp before cobc for any program containing EXEC SQL statements.
• Verify the pre-compiler listing (*_cbsql.out) for connection alias names before integrating with other programs.
• Keep the pre-compiler output under source control for auditability.
• Do not hand-edit pre-compiler output — always regenerate from the .cbl source.

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