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Re: [PATCH] Present But Cannot Be Compiled

From: Ralf Wildenhues
Subject: Re: [PATCH] Present But Cannot Be Compiled
Date: Thu, 6 Nov 2008 20:49:41 +0100
User-agent: Mutt/1.5.18 (2008-05-17)

Hello Eric, Paolo,

* Eric Blake wrote on Thu, Nov 06, 2008 at 01:58:19PM CET:
> According to Paolo Bonzini on 11/6/2008 2:54 AM:
> > As a first step on which we all agree, I'll apply this patch in a few
> > hours (to give Americans some time to wake up) which changes the
> > behavior of _AC_CHECK_HEADERS_MONGREL to use the compiler's result.

> Yes, this looks okay to apply, while we still think about whether or not
> to make AC_PREREQ affect things.

I think letting AC_PREREQ affect _any_ macro semantics is a really bad
idea (except of course: let autoconf fail if the version is too old).
Here's why: that AC_PREREQ could be hidden in some third- or
fourth-party macro imported from whereever, and there is no control by
the author (or macro file author) over the choice of

Or maybe I completely misunderstood the remark.  ;-)


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