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Re: GNU Autoconf test version 2.59d available

From: Stepan Kasal
Subject: Re: GNU Autoconf test version 2.59d available
Date: Wed, 14 Jun 2006 21:50:10 +0200
User-agent: Mutt/


On Tue, Jun 13, 2006 at 09:45:05PM +0100, William S Fulton wrote:
> @top_builddir@ used to expand to ../../../
> now it expands to ../../..
> Parts of our Makefiles were relying on the trailing slash, so they don't
> work with this version of autoconf. Is this change also intentional?

yes, it is intentional and documented in the NEWS file:

** @top_builddir@ is now a dir name: it is always nonempty and
   doesn't have a trailing slash.

Previously, @top_builddir@ differed from $(top_builddir) in
Automake-generated makefiles; this change makes them consistent.

If you are using it in Automake-generated makefiles, you could
perhaps use `$(top_builddir)' instead.  With this notation, you get the
same value with all versions of Autoconf/Automake, including the
upcoming ones.

Have a nice day,

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