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From: Junio C Hamano <junkio@cox.net>
Subject: Re: [RFC/PATCH 3] Copy description of build configuration variables to configure.ac
Date: Sun, 09 Jul 2006 01:21:38 -0700
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To: Jakub Narebski <jnareb@gmail.com>
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Jakub Narebski <jnareb@gmail.com> writes:

> Copy description of build configuration variables from the commentary
> in the top Makefile (from 'next' branch) to configure.ac, splitting
> them into "autoconf" sections.

I do not see much point in this -- they will become out of sync.

Eventually when all the --with-* and --enable-* stuff are
implemented, you can ask the generated configure what options
are supported, so I do not think this would help the end user
either.  In other words it is strictly for supporting
developers.  I think you are better off making a list of
supported and yet to be supported ones in the comment in
configure.ac, and when you want to see if the list got stale
over time, grep for '^# Define' from the Makefile and match them
up.