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Re: debbugs, and a FAQ, for Autotools

From: Ralf Wildenhues
Subject: Re: debbugs, and a FAQ, for Autotools
Date: Wed, 23 Feb 2011 21:02:14 +0100
User-agent: Mutt/1.5.20 (2010-08-04)


* Miles Bader wrote on Wed, Feb 23, 2011 at 05:17:29AM CET:
> Ralf Hemmecke writes:
> > Sure. But it is also relevant if one developer adds a macro which is
> > only available in some recent version of automake, say. Another
> > developer might not yet have that automake version.
> It doesn't really seem any worse than _any_ potential tool
> incompatibility problem -- compiler version, library version, etc --
> though...
> Usually those issues aren't such a huge deal, because most project try
> to be relatively portable, and when version dependencies do crop up,
> they can be dealt with relatively well using simple checks in the
> configure script.
> Isn't that what people usually do about autoconf versions too (declare a
> minimum version in

Yes.  You can even declare a maximum (or exact) version, too, if that is
what you need.  We did that in GCC, see the _GCC_AUTOCONF_VERSION_CHECK
macro in
and with Automake, it should work at least to test $am__api_version at
configure time.  I guess we should make it possible to test easily at
m4 run time too ...

(and I guess this is worth another FAQ entry ...)


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