Updating CMake requirement to 2.8.12 RC 1

[Alexander Neundorf]

On Tuesday 20 August 2013, Stephen Kelly wrote:
> Alexander Neundorf wrote:
> > Hi,
> > 
> > On Tuesday 20 August 2013, Stephen Kelly wrote:
> >> Hello,
> >> 
> >> CMake 2.8.12 RC 1 was released a few hours ago:
> >>  http://thread.gmane.org/gmane.comp.programming.tools.cmake.user/47443
> >> 
> >> Updating to that will allow us to get on the home straight with regard
> >> to our buildsystem files.
> > 
> > please wait with updating the required version until 2.8.12 final is out.
> > There have been complaints about requiring unreleased versions of cmake,
> > e.g. by Aaron.
> 
> The objections from Aaron were based partly on misunderstanding.
> 
>  http://thread.gmane.org/gmane.comp.kde.devel.frameworks/2339/focus=2357
> 
> For example, he complained about a 'dated snapshot', which I fixed in
> kdelibs.git with commit f1e6b8e67fe5071 (Add a better error message about
> the required CMake version., 2013-04-30).
> 
>  https://projects.kde.org/projects/kde/kdelibs/repository/revisions/f1e6b8e
> 67fe5071a19e9ad5b8ed8ee93fa26fc4c/diff/CMakeLists.txt
> 
> Additionally, I my recommendation is not to bump the required version with
> each release candidate made available, only this first one, and then the
> final.
> 
> I also stand by the utility of bumping the requirement for the purpose of
> finding bugs. Otherwise 2.8.12 might be entirely unsuitable for frameworks.

You know that stuff can be tested without committing changes which force 
everybody to update immediately to the main branch ?
I've been doing that for years.

Alex