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Re: Spurious datarootdir warnings in Wine configure

From: Paul Eggert
Subject: Re: Spurious datarootdir warnings in Wine configure
Date: Wed, 21 Jun 2006 16:36:20 -0700
User-agent: Gnus/5.1008 (Gnus v5.10.8) Emacs/21.4 (gnu/linux)

Ralf Wildenhues <address@hidden> writes:

> Next, for the transition
> time, it's extremely helpful if the package bootstraps unchanged with
> both 2.59 and 2.60.  So far, I think all datarootdir induced changes can
> be written in a backwards compatible way (so they work with 2.59).

This needs documentation, surely.  Perhaps even a separate page in the
manual.  The issue is confusing, and this stuff needs to be explained

> So how about let's make the silencing also backward compatible, to keep
> the smooth upgrade path?

Sorry, I don't follow.  The proposed AC_DATAROOTDIR_CHECKED macro
cannot be used in configure.ac files intended to be portable to 2.59.
It'd be useful only if you're committing to 2.60 or later.  So it
won't be backward compatible.

It sounds like your scenario is more like this -- am I right?

* The source package works with 2.59.

* With 2.60 there are a lot of annoying warnings.

* Maintainer manually reviews each warning, and fixes the underlying
  package so that it works under either 2.59 or 2.60.  (An example
  or two?  How can the package use datarootdir under 2.59 when 2.59
  doesn't define it?)

* Unfortunately, even if the underlying package is fixed, autoconf 2.60
  sometimes issues false alarms (what's an example of this?).  So there's
  a way to shut off all alarms.  (There isn't a way to shut off the alarm
  selectively, just for the false alarms that have been manually checked,
  because ....?)

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