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Re: Question on AC_PREREQ

From: Eric Blake
Subject: Re: Question on AC_PREREQ
Date: Tue, 11 Dec 2007 06:09:12 -0700
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According to Sebastian Pipping on 12/11/2007 1:13 AM:
> While were talking about AC_PREREQ: I thought maybe requiring
> version "2.61a" would be a bad idea if an older version like
> "2.60" is enough already, especially with an alpha version.

You are correct that requiring the oldest version where a feature was
added, instead of the bleeding-edge version that you tested with, makes
your project somewhat easier to develop on systems that haven't caught up
with the latest autotools in their distro.

> Is there some place with information for what versions the
> API actually changed so I can require the minimum instead?

The NEWS file is supposed to be the canonical source for this sort of
information, although it is sometimes incomplete.  I'm slowly adding it in
the documentation for macros that I touch, but that is also incomplete.
For a full history of when any feature was added, you'll have to consult
the ChangeLog* files.  In the meantime, patches to improve NEWS or the
documentation are welcome.

- --
Don't work too hard, make some time for fun as well!

Eric Blake             address@hidden
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