bug#53283: 28.0.91; TRAMP SSHFS method not known by default

[Philipp Stephani <p.stephani2@gmail.com>]

> Am 16.01.2022 um 13:34 schrieb Michael Albinus <michael.albinus@gmx.de>:
> 
> Philipp Stephani <p.stephani2@gmail.com> writes:
> 
>> OK, removing lisp/net/tramp-loaddefs.el and manually regenerating it
>> fixes the issue. So this is not a bug in the Emacs code itself. Maybe
>> there's a small bug in the Makefiles around detecting whether
>> tramp-loaddefs.el needs to be rebuilt?
> 
> In lisp/Makefile.in, there is
> 
> --8<---------------cut here---------------start------------->8---
> # Update TRAMP internal autoloads. Maybe we could move tramp*.el into
> # an own subdirectory. OTOH, it does not hurt to keep them in
> # lisp/net.
> TRAMP_DIR = $(lisp)/net
> TRAMP_SRC = $(sort $(wildcard ${TRAMP_DIR}/tramp*.el))
> TRAMP_SRC := $(filter-out ${TRAMP_DIR}/tramp-loaddefs.el,${TRAMP_SRC})
> 
> $(TRAMP_DIR)/tramp-loaddefs.el: $(TRAMP_SRC)
> 	$(AM_V_GEN)$(emacs) -l autoload \
> 	   --eval "(setq generate-autoload-cookie \";;;###tramp-autoload\")" \
> 	   --eval "(setq generated-autoload-file (expand-file-name (unmsys--file-name \"$@\")))" \
> 	   -f batch-update-autoloads $(TRAMP_DIR)
> --8<---------------cut here---------------end--------------->8---
> 
> That looks fine to me. We could try to search where a possible bug is, but
> this would require a recipe for reproduction. Do we have such a recipe?

Probably not.  Maybe I just haven't run 'make bootstrap' for too long.
Feel free to close this if you don't see anything obviously wrong - it's probably not worth spending too much time on.