On Sun, 2021-07-25 at 23:51 +0900, Masahiro Yamada wrote: > But, since it is not possible to propagate SHELL > down to sub-makes, we end up with adding the same setup: > > SHELL := /bin/bash > > in every sub-makefiles.
You could do something like this instead: SHELL := /bin/bash MAKEOVERRIDES += SHELL=/bin/bash in the top-level makefile, then it would get passed to all sub-makes as if you'd invoked "make SHELL=/bin/bash". See https://www.gnu.org/software/make/manual/html_node/Options_002fRecursion.html
