OK, maybe it is best if the user just used a https://unix.stackexchange.com/questions/806006/how-to-emulate-some-future-make-warn-redefined-variables/ type solution themselves.
- Implement make --warn-redefined-variables Dan Jacobson
- Re: Implement make --warn-redefined-variables Paul Smith
- Re: Implement make --warn-redefined-variables Dan Jacobson
