make up1/up2/update/update2: Clean and generate autoloads before building docs/tests

We need to run clean to get rid of stale .elc files from before git
fetch, and we need to generate autoloads to make things run properly.

Reported-by: Rustom Mody <rustompmody@gmail.com>
Link: https://orgmode.org/list/CAJ+TeofCBfEo-WyGk-n0DATW3QNKjBRayQYbMXrTFAy-TX+ovA@mail.gmail.com

Makefile

@@ -31,6 +31,7 @@ help helpall::
 	$(info make autoloads      - create org-loaddefs.el to load Org in-place)
 	$(info make test           - build Org ELisp files and run test suite)
 	$(info make vanilla        - run Emacs with this Org-mode and no personal config)
+	$(info make repro          - like vanilla, but refresh compilation and enable debugging [use this to reproduce bugs])
 helpall::
 	$(info make test-dirty     - check without building first)
 	$(info make compile-dirty  - build only stale Org ELisp files)

mk/default.mk

@@ -112,7 +112,7 @@ endif
 
 # Running a plain emacs with no config, this Org mode loaded, and
 # debugging facilities activated.
-REPRO = $(NOBATCH) $(REPRO_INIT) $(REPRO_ARGS)
+REPRO = $(NOBATCH) $(BTEST_INIT) $(REPRO_INIT) $(REPRO_ARGS)
 
 # start Emacs with no user and site configuration
 # EMACSQ = -vanilla # XEmacs

mk/targets.mk

@@ -68,7 +68,7 @@ config config-test config-exe config-all config-version::
 oldorg:	compile info	# what the old makefile did when no target was specified
 uncompiled:	| cleanlisp autoloads	# for developing
 refcard:	card
-update update2::	| up0 all
+update update2::	| up0 clean autoloads all
 
 single:	ORGCM=single
 single:	compile
@@ -108,8 +108,7 @@ up0 up1 up2::
 	git checkout $(GIT_BRANCH)
 	git remote update
 	git pull
-up1 up2::	all
-	$(MAKE) test-dirty
+up1 up2::	clean autoloads test-dirty
 up2 update2::
 	$(SUDO) $(MAKE) install