GNU bug report logs - #12845
aclocal: stop handling AC_CONFIG_MACRO_DIR; handle just AC_CONFIG_MACRO_DIRS (was: Re: [PATCH 1/2] AC_CONFIG_MACRO_DIRS: new macro, mostly for aclocal

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Message #66 received at 12845 <at> debbugs.gnu.org (full text, mbox):

From: Stefano Lattarini <stefano.lattarini <at> gmail.com>
To: Eric Blake <eblake <at> redhat.com>
Cc: Nick Bowler <nbowler <at> elliptictech.com>,
	"automake-patches <at> gnu.org" <automake-patches <at> gnu.org>,
	12845 <at> debbugs.gnu.org, Autoconf Patches List <autoconf-patches <at> gnu.org>,
	Adrian Bunk <bunk <at> stusta.de>
Subject: Re: bug#12845: [PATCH] aclocal: tracing AC_CONFIG_MACRO_DIRS can
	work with older autoconf as well
Date: Thu, 15 Nov 2012 14:08:37 +0100

On 11/15/2012 01:53 PM, Eric Blake wrote:
> On 11/15/2012 05:46 AM, Stefano Lattarini wrote:
> 
>>>> * aclocal.in ($ac_config_macro_dirs_fallback): New global variable,
>>>> contains m4 code to issue a fallback definition of AC_CONFIG_MACRO_DIRS
>>>> as an alias for the private macro _AM_CONFIG_MACRO_DIRS.
>>>
>>> Tracing a new private macro - doesn't this imply that autoconf needs to
>>> add another macro to its list of preselections in order to pass the
>>> autoconf testsuite when using the new automake?  But don't let that stop
>>> this patch.
>>>
>> Well spotted.  But since I'm soon going to remove the private automake
>> macro '_AM_EXTRA_RECURSIVE_TARGETS' as well (the indirection it provides
>> is no longer needed now that aclocal automatically smashes extra
>> whitespace in the arguments of the traced macros), I'd rather wait and
>> make the autoconf update in a single batch.
> 
> Is _AM_EXTRA_RECURSIVE_TARGETS ever traced in any released version of
> automake?
>
No, that's why I wanted to remove it.

> If so, you can't remove it from the pre-selections, even if
> newer automake no longer traces it.  Basically, the preselections must
> be the union of anything that any released autotool wants to trace.
> 
I was aware of this.  But thanks for spelling it out explicitly anyway.

Thanks,
  Stefano

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