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Re: [PATCH] Support AC_CONFIG_LIBOBJ_DIR (fixes PR/401)

From: Gary V. Vaughan
Subject: Re: [PATCH] Support AC_CONFIG_LIBOBJ_DIR (fixes PR/401)
Date: Fri, 29 Apr 2005 08:58:55 +0100
User-agent: Mozilla Thunderbird 1.0 (Macintosh/20041206)

Alexandre Duret-Lutz wrote:
> Hi Gary,
> Thanks for all the work.  I'm only commenting on the Autoconf
> part, here.  I'll complete the Automake part after this is one
> is in.

Okay.  Is that an implicit go-ahead for me to commit the Autoconf part
of the patch (pending changes below)?

>>>>"Gary" == Gary V Vaughan <address@hidden> writes:
>  Gary> I disagree, LIBOBJDIR is a make macro not a shell
>  Gary> variable, so it is more akin to $(srcdir) than ${prefix}.
>  Gary> If I'm missing something, feel free to change it before
>  Gary> committing.
> The point is that AFAICT all AC_SUBSTed Autoconf variables use
> ${...} so they can be used in shell scripts as well as in
> Makefiles.  From the point of view of Autoconf, LIBOBJDIR is a
> just an AC_SUBST variable.  Automake will indeed use it to
> define a make variable, but that should be none of Autoconf's
> business.  An Autoconf user might as well decide to use it in a
> shell or Perl script (say, to create one's own make-free build
> system!).

Good point.  Thanks!

> [...]
>  Gary> +  # 2. Prepend LIBOBJDIR.  When used with automake>1.9.5 LIBOBJDIR
> [...]
>  Gary> +When used with Automake 1.9.6 or newer, a suitable value for
> Let's make it automake >= 1.10.  1.9.x are only simple bug
> fixes, and 1.10 will come shortly after Autoconf 2.60 anyway.

Sure, no problem.

Gary V. Vaughan      ())_.  address@hidden,}
Research Scientist   ( '/
GNU Hacker           / )=
Technical Author   `(_~)_

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