describe revision merged into cvs main



Raymond Toy writes:
>>>>>> "Vadim" == Vadim V Zhytnikov <vvzhy at mail.ru> writes:
> 
>     Vadim> My promise turned out to be a bit premature.
>     Vadim> Autoconf provides built-in method to check for
>     Vadim> some program but not for particular version
>     Vadim> of the program.  An I don't see a simple way to do
>     Vadim> such check.  Parse makeinfo --version or perl --version
>     Vadim> output?  But it seems to be quite unreliable
>     Vadim> for this output may vary from version to version
>     Vadim> substantially.
> 
> Agreed.
> 
> But the build_index.pl script could probably tell you the version and
> quit if perl is too old.
> 
> And since the script also produces the index, we could, perhaps, make
> it print an error message if the index is not actually created.
> Perhaps also mentioning that makeinfo might be too old.
> 
> Not quite as good as having configure tell us, but better than
> silently failing.
> 

Yes. In fact good configure test for Perl version can be
implemented precisely like this.  We can't rely on
perl --version or something similar instead we writes
small Perl which tells us about perl version in the
format we can understand.

-- 
      Vadim V. Zhytnikov

       <vvzhy at mail.ru>
      <vvzhy at netorn.ru>