bug#12715: coreutils-8.20: bad dependency information with man page generation

[Jim Meyering]

Andreas Schwab wrote:
> Stefano Lattarini <address@hidden> writes:
>
>> There is also a patch available, but it doesn't seem to have
>> encountered much acceptance unfortunately:
>>
>> <http://lists.gnu.org/archive/html/coreutils/2012-09/msg00132.html>
>
> The easiest way to solve that is to use order-only dependencies.

Yes, that would be perfect if we could rely on GNU make:

    http://www.gnu.org/s/make/manual/html_node/Prerequisite-Types.html

If you had to require one, which would you rather mandate (rhetorical):
  Gnu make
  perl