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Re: [PATCH] AC_CONFIG_MACRO_DIRS: improve tracing and add sanity checks

From: Adrian Bunk
Subject: Re: [PATCH] AC_CONFIG_MACRO_DIRS: improve tracing and add sanity checks
Date: Wed, 14 Nov 2012 00:39:11 +0200
User-agent: Mutt/1.5.21 (2010-09-15)

On Tue, Nov 13, 2012 at 04:35:38PM -0500, Nick Bowler wrote:
>  (1) Packages that use ACLOCAL_AMFLAGS to specify one or more macro
>      directories and do *NOT* use AC_CONFIG_MACRO_DIR at all.  You
>      agreed earlier that this was a good choice for packages using
>      more than one macro directory.  I suspect it's also quite common
>      in packages that aren't using libtool.  For example, GNU Gettext
>      appears to be in this category.

Even libtoolize does not enforce AC_CONFIG_MACRO_DIR but just issues a 
warning when only ACLOCAL_AMFLAGS is present, so that might be present 
even in lintool-using packages with only one macro dir.

I begin to agree with you that AC_CONFIG_MACRO_DIR should be left alone 
by autoconf, with the downside that removing support for the legacy
ACLOCAL_AMFLAGS/AC_CONFIG_MACRO_DIR from aclocal or from libtoolize 
would not be reasonable to do within the next 5-10 years.



       "Is there not promise of rain?" Ling Tan asked suddenly out
        of the darkness. There had been need of rain for many days.
       "Only a promise," Lao Er said.
                                       Pearl S. Buck - Dragon Seed

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