9.10.1.6 Warnings about missing files

--no-warn-undefined-options-variables

--no-warn-undefined-options-vars

Do not warn about references to undefined variables in options files with ‘--make’.

--no-warn-missing-opt-files

Do not warn about .opt files which cannot be opened.

--warn-missing-trans-opt-files

Warn about .trans_opt files which cannot be opened.

--no-warn-missing-trans-opt-deps

Do not generate a warning when the information required to allow .trans_opt files to be read when creating other .trans_opt files has been lost. The information can be recreated by running mmake mainmodule.depend.