Re: expose m4_PACKAGE_VERSION,m4_version_compare

[Eric Blake]

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According to Eric Blake on 9/13/2007 1:24 PM:
>> Sorry to come in late, but why not AC_VERSION and defining it in 
>> general.m4?  Long term, m4sugar might be detached completely from 
>> Autoconf (e.g. it could be distributed with M4 2.x) and already now it 
>> is used by Bison.
> 
> Good point.  How about this followup?
> 
> 2007-09-13  Eric Blake  <address@hidden>
> 
>       Use AC_VERSION, not m4_AUTOCONF_VERSION.
>       * doc/autoconf.texi (Text processing Macros): Remove mention of
>       m4_AUTOCONF_VERSION, and leave m4_PACKAGE_VERSION undocumented
>       once again.
>       (Notices): Move AC_PREREQ...
>       (Versioning): ...to this new section, alongside the new AC_VERSION
>       alias for the undocumented m4_PACKAGE_VERSION.

No comments on this followup patch, so I'm applying it.  Now the only
documented way to grab the autoconf version is AC_VERSION (so at some
point in the future, automake should be changed to use this instead of the
undocumented m4_PACKAGE_VERSION, once it has other dependencies on
autoconf 2.62+).

- --
Don't work too hard, make some time for fun as well!

Eric Blake             address@hidden
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