[bug #63737] Add --fail-on-undefined-variables

[Thomas Güttler]

URL:
  <https://savannah.gnu.org/bugs/?63737>

                 Summary: Add --fail-on-undefined-variables
                 Project: make
               Submitter: guettli
               Submitted: Wed 01 Feb 2023 02:49:27 PM UTC
                Severity: 3 - Normal
              Item Group: None
                  Status: None
                 Privacy: Public
             Assigned to: None
             Open/Closed: Open
         Discussion Lock: Any
       Component Version: None
        Operating System: None
           Fixed Release: None
           Triage Status: None


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Follow-up Comments:


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Date: Wed 01 Feb 2023 02:49:27 PM UTC By: Thomas Güttler <guettli>
I now `--warn-undefined-variables`, but warnings get easily overlooked.

I want to be sure that no undefined variables get used in my makefile.

Why not implement a `--fail-on-undefined-variables`?

Related:
https://stackoverflow.com/questions/75311765/let-make-fail-if-makefile-encounters-undefined-variable







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