[CMake] Changes to cmake_minimum_required() for 3.12

[Johannes Zarl-Zierl]

Hi,

Just giving my 2 cents:
If the preferred solution is the "POLICY_NEW_UNTIL" wording, then why not make 
this accepted as well? This way, you can deprecate the backwards-compatible 
version in a few years and remove it some time thereafter. In the end, you'll 
get a cleaner solution...

Cheers,
  Johannes


On Montag, 2. Juli 2018 08:43:57 CEST Craig Scott wrote:
> On Mon, Jul 2, 2018 at 4:04 AM, Alan W. Irwin <Alan.W.Irwin1234 at gmail.com>
> 
> wrote:
> > On 2018-07-01 08:12+1000 Craig Scott wrote:
> > 
> > Older CMake versions
> > 
> >> will see the extra dots as being version component separators and will
> >> end
> >> up effectively ignoring the max part.
> > 
> > This explanation of how "..." will be interpreted by older CMake
> > versions makes sense, but it wasn't obvious to me without that
> > explanation.  And I suspect other build-system developers/maintainers
> > would also benefit from the explanation.  Therefore, please explicitly
> > include the above explanation in the latest documentation of both the
> > cmake_minimum_required and cmake_policy commands.
> 
> I've updated the merge request to incorporate this feedback.
> 
> https://gitlab.kitware.com/cmake/cmake/merge_requests/2180



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