Editing COBOL Std 11 Build and Compilation (section)

== 11. Build and Compilation ==

=== 11.1 Recommended cobc Flags ===

{| class="wikitable" style="width:100%"
! Flag !! Purpose
|-
| <code>-Wall</code> || Enable all warnings; treat unexplained warnings as defects.
|-
| <code>-Wtruncate</code> || Warn on MOVE where source is wider than destination.
|-
| <code>-debug</code> || Enable PERFORM stack checking in test builds.
|-
| <code>-O2</code> || Enable optimisation in production builds.
|-
| <code>-free</code> || Only if the project adopts free-format source throughout.
|}

=== 11.2 GixSQL Pre-Processor ===

* Run <code>gixpp</code> before <code>cobc</code> for any program containing EXEC SQL statements.
* Verify the pre-compiler listing (<code>*_cbsql.out</code>) 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 <code>.cbl</code> source.

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