GNU bug report logs - #20416
message about ACLOCAL_AMFLAGS

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Package: libtool; Reported by: Vincent Lefevre <vincent@HIDDEN>; dated Fri, 24 Apr 2015 09:16:01 UTC; Maintainer for libtool is bug-libtool@HIDDEN.
Did not alter fixed versions and reopened. Request was from Debbugs Internal Request <help-debbugs@HIDDEN> to internal_control <at> debbugs.gnu.org. Full text available.

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Date: Fri, 28 Sep 2018 10:31:22 +0200
From: Vincent Lefevre <vincent@HIDDEN>
To: 20416 <at> debbugs.gnu.org, control <at> debbugs.gnu.org
Subject: Re: message about ACLOCAL_AMFLAGS
Message-ID: <20180928083122.GA24343@HIDDEN>
References: <20150424091512.GB4805@HIDDEN>
 <20180927170006.GA16907@HIDDEN>
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reopen 20416
thanks

On 2018-09-27 19:00:06 +0200, Vincent Lefevre wrote:
> This seems to be fixed with the libtool 2.4.6-4 Debian package
> (and this doesn't seem to be due to a Debian patch)... or perhaps
> the incorrect message was due to some old thing in some file (or
> some other obscure reason): I no longer get the
> 
>   libtoolize: Consider adding `-I m4' to ACLOCAL_AMFLAGS in Makefile.am.

Actually, it isn't fixed. I forgot that I had added a

  ACLOCAL_AMFLAGS = -I m4

just to silence this warning. This workaround is annoying as it will
yield a warning with future Automake versions.

At least this libtoolize warning should not be given when one requires
Automake 1.13 at least (in which case AC_CONFIG_MACRO_DIRS is supported
and the ACLOCAL_AMFLAGS is necessarily useless).

-- 
Vincent Lefèvre <vincent@HIDDEN> - Web: <https://www.vinc17.net/>
100% accessible validated (X)HTML - Blog: <https://www.vinc17.net/blog/>
Work: CR INRIA - computer arithmetic / AriC project (LIP, ENS-Lyon)
Information forwarded to bug-libtool@HIDDEN:
bug#20416; Package libtool. Full text available.

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Date: Thu, 27 Sep 2018 19:00:06 +0200
From: Vincent Lefevre <vincent@HIDDEN>
To: 20416-done <at> debbugs.gnu.org
Subject: Re: message about ACLOCAL_AMFLAGS
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On 2015-04-24 11:15:12 +0200, Vincent Lefevre wrote:
> With libtool 2.4.2 (but 2.4.6 seems to behave in the same way
> according to the source), after removing a ACLOCAL_AMFLAGS line
> in Makefile.am of some software, I get:
> 
> [...]
> autoreconf: running: libtoolize --copy --force
> libtoolize: putting auxiliary files in `.'.
> libtoolize: copying file `./ltmain.sh'
> libtoolize: putting macros in AC_CONFIG_MACRO_DIR, `m4'.
> libtoolize: copying file `m4/libtool.m4'
> libtoolize: copying file `m4/ltoptions.m4'
> libtoolize: copying file `m4/ltsugar.m4'
> libtoolize: copying file `m4/ltversion.m4'
> libtoolize: copying file `m4/lt~obsolete.m4'
> libtoolize: Consider adding `-I m4' to ACLOCAL_AMFLAGS in Makefile.am.
> [...]
> 
> See the last line, about ACLOCAL_AMFLAGS.
> 
> However the Automake NEWS file says:
> 
>   - The ACLOCAL_AMFLAGS special make variable will be fully deprecated in
>     Automake 2.0: it will raise warnings in the "obsolete" category (but
>     still no hard error of course, for compatibilities with the many, many
>     packages that still relies on that variable).  You are advised to
>     start relying on the new Automake support for AC_CONFIG_MACRO_DIRS
>     instead (which was introduced in Automake 1.13).
> 
> meaning that ACLOCAL_AMFLAGS should no longer be used and
> AC_CONFIG_MACRO_DIRS should be used instead, which is currently done
> and taken into account, as seen above.

This seems to be fixed with the libtool 2.4.6-4 Debian package
(and this doesn't seem to be due to a Debian patch)... or perhaps
the incorrect message was due to some old thing in some file (or
some other obscure reason): I no longer get the

  libtoolize: Consider adding `-I m4' to ACLOCAL_AMFLAGS in Makefile.am.

message. And if I remove AC_CONFIG_MACRO_DIR([m4]) from configure.ac,
I get a correct message:

  libtoolize: Consider adding 'AC_CONFIG_MACRO_DIRS([m4])' to configure.ac,
  libtoolize: and rerunning libtoolize and aclocal.

Anyway, since I cannot reproduce the bug, I'm closing it.

-- 
Vincent Lefèvre <vincent@HIDDEN> - Web: <https://www.vinc17.net/>
100% accessible validated (X)HTML - Blog: <https://www.vinc17.net/blog/>
Work: CR INRIA - computer arithmetic / AriC project (LIP, ENS-Lyon)
Notification sent to Vincent Lefevre <vincent@HIDDEN>:
bug acknowledged by developer. Full text available.
Reply sent to Vincent Lefevre <vincent@HIDDEN>:
You have taken responsibility. Full text available.

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Date: Fri, 24 Apr 2015 11:15:12 +0200
From: Vincent Lefevre <vincent@HIDDEN>
To: bug-libtool@HIDDEN
Subject: message about ACLOCAL_AMFLAGS
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With libtool 2.4.2 (but 2.4.6 seems to behave in the same way
according to the source), after removing a ACLOCAL_AMFLAGS line
in Makefile.am of some software, I get:

[...]
autoreconf: running: libtoolize --copy --force
libtoolize: putting auxiliary files in `.'.
libtoolize: copying file `./ltmain.sh'
libtoolize: putting macros in AC_CONFIG_MACRO_DIR, `m4'.
libtoolize: copying file `m4/libtool.m4'
libtoolize: copying file `m4/ltoptions.m4'
libtoolize: copying file `m4/ltsugar.m4'
libtoolize: copying file `m4/ltversion.m4'
libtoolize: copying file `m4/lt~obsolete.m4'
libtoolize: Consider adding `-I m4' to ACLOCAL_AMFLAGS in Makefile.am.
[...]

See the last line, about ACLOCAL_AMFLAGS.

However the Automake NEWS file says:

  - The ACLOCAL_AMFLAGS special make variable will be fully deprecated in
    Automake 2.0: it will raise warnings in the "obsolete" category (but
    still no hard error of course, for compatibilities with the many, man=
y
    packages that still relies on that variable).  You are advised to
    start relying on the new Automake support for AC_CONFIG_MACRO_DIRS
    instead (which was introduced in Automake 1.13).

meaning that ACLOCAL_AMFLAGS should no longer be used and
AC_CONFIG_MACRO_DIRS should be used instead, which is currently done
and taken into account, as seen above.

--=20
Vincent Lef=E8vre <vincent@HIDDEN> - Web: <https://www.vinc17.net/>
100% accessible validated (X)HTML - Blog: <https://www.vinc17.net/blog/>
Work: CR INRIA - computer arithmetic / AriC project (LIP, ENS-Lyon)
Acknowledgement sent to Vincent Lefevre <vincent@HIDDEN>:
New bug report received and forwarded. Copy sent to bug-libtool@HIDDEN. Full text available.
Report forwarded to bug-libtool@HIDDEN:
bug#20416; Package libtool. Full text available.
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