Re: Difficulty building older Emacsen: <tab> characters seemingly fouling things up.

[David Engster <deng@randomsample.de>]

Eli Zaretskii writes:
>> Date: Sat, 06 Jun 2015 18:00:36 +0300
>> From: Eli Zaretskii <eliz@gnu.org>
>> Cc: emacs-devel@gnu.org
>> 
>> Looks like line 143 should have had a backslash at its end, but
>> doesn't.  Likewise, line 144 should have ended with a backslash I
>> don't understand how did it happen, as lib-src/Makefile.in from Emacs
>> 23.1 have these present.
>
> I seem to remember that the behavior of cpp changed at some point, and
> we needed to invoke it with the -traditional switch in order to avoid
> some trouble, perhaps precisely this one.  (You may remember that in
> those days we used cpp to process Makefile.in files into Makefiles.)
>
> So perhaps reconfigure with "CPP='gcc -E -traditional' or somesuch.

Yes, one needs this change to compile older Emacsen:

  http://article.gmane.org/gmane.emacs.diffs/102980

Building older Emacsen can be quite frustrating. I think I also had
problems with linking crt1.o or somesuch when creating older Emacs
binaries for the Buildbot.

-David