Re: config.in

[Andreas Schwab <schwab@suse.de>]

storm@cua.dk (Kim F. Storm) writes:

|> Andreas Schwab <schwab@suse.de> writes:
|> 
|> > Richard Stallman <rms@gnu.org> writes:
|> > 
|> > |> Things may be different now with src/config.in.  There now seems to be
|> > |> a Make rule to update that file, so it might try to run automatically.
|> > |> This is no good.
|> > 
|> > There was always a rule for configure as well, otherwise I wouldn't have
|> > added one for config.in.  But the difference with config.in is that it
|> > depends on a third file, src/stamp-h.in, that functions as a timestamp
|> > file, because autoheader does not modify its output if it wouldn't change,
|> > thus to avoid running autoheader again and again the stamp file is needed.
|> > I have already extended make-dist to fix the timestamps for distribution.
|> 
|> I think I got lost half way through those changes....  I don't think
|> I'll ever dare adding a new parameter to config.in or configure :-)

You will not ever need to modify config.in any more.

|> May I suggest that you write a short INTRO_CVS file (not to be
|> included in a dist) which explains what tools are needed to
|> reconfigure things (autoconf version etc.), what (config related)

Just use autoconf >= 2.51, as stated in configure.in (AC_PREREQ).

|> files are in CVS, why they are there, and what the dependencies
|> between all those files are.

In addition to autoconf you just need to run autoheader to update
src/config.in.  That's all.

Andreas.

-- 
Andreas Schwab, SuSE Labs, schwab@suse.de
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