On Thu, Feb 9, 2023 at 11:41 AM Jan Engelhardt <jeng...@inai.de> wrote: > This is a GNU extension.
Not only gnu. Also supported by sun make. > If you try this with e.g. > OpenBSD make, it will complain. That's why i asked those questions about portability. Do i understand it correctly, that a need to support bmake forces automake to abandon a good mechanism to rebuild depfiles? regards, Dmitry