Dmitry Goncharov wrote: > > If a Makefile uses MAKEFLAGS=-r and > > the Makefile in a subdirectory needs built-in rules, will the MAKEFLAGS=-r > > setting propagate to the subdirectory? > > It will.
Ouch. This is usually undesired, since a developer works on one Makefile at a time. Together with the other arguments by Paul [1], this means the .SUFFIXES approach is much much preferable. Bruno [1] https://lists.gnu.org/archive/html/bug-make/2023-07/msg00063.html
