Re: Makefile bug in generating mh-loaddefs.el?

[Dan Nicolaescu]

Eli Zaretskii <address@hidden> writes:

  > > From: Dan Nicolaescu <address@hidden>
  > > Date: Tue, 03 Jul 2007 11:42:29 -0700
  > > 
  > > $(lisp)/mh-e/mh-loaddefs.el: $(MH_E_SRC)
  > >   echo ";;; mh-loaddefs.el --- automatically extracted autoloads" > $@
  > >   echo "" >> $@
  > >   echo ";; Copyright (C) 2003, 2004, 2005, 2006, 2007 Free Software 
Foundation, Inc." >> $@
  > >   echo ";; Author: Bill Wohler <address@hidden>" >> $@
  > >   echo ";; Keywords: mail" >> $@
  > >   echo ";;; Commentary:" >> $@
  > >   echo ";;; Change Log:" >> $@
  > >   echo ";;; Code:" >> $@
  > >   echo "" >> $@
  > >   echo "(provide 'mh-loaddefs)" >> $@
  > >   echo ";; Local Variables:" >> $@
  > >   echo ";; version-control: never" >> $@
  > >   echo ";; no-byte-compile: t" >> $@
  > >   echo ";; no-update-autoloads: t" >> $@
  > >   echo ";; End:" >> $@
  > >   echo ";;; mh-loaddefs.el ends here" >> $@
  > >   $(EMACS) $(EMACSOPT) \
  > >      -l autoload \
  > >      --eval "(setq generate-autoload-cookie \";;;###mh-autoload\")" \
  > >      --eval "(setq generated-autoload-file 
\"$(lisp)/mh-e/mh-loaddefs.el\")" \
  > >      --eval "(setq make-backup-files nil)" \
  > >      -f batch-update-autoloads $(lisp)/mh-e
  > > 
  > > 
  > > Now, if the "$(EMACS) $(EMACSOPT) -l autoload ..." fails, the
  > > mh-loaddefs.el file will not be deleted. That seems like a bug to me...
  > 
  > Could you please explain what do you mean by ``will not be deleted'',
  > and why you think it's a bug?  The `echo' commands overwrite
  > mh-loaddefs.el, don't they? which is akin to deleting the (old) file,
  > right?
  > 
  > Anyway, of Emacs fails, then Make will stop and announce the error;
  > therefore I don't see why you (evidently) want an additional
  > manifestation of the problem.
  > 
  > What am I missing?

Do this

rm src/emacs mh-e/mh-loaddefs.el
cd lisp
make mh-autoloads

"make mh-autoloads" will fail, now run "make mh-autoloads" again and it will
succeed...