Bump CMake minimum requirement to 2.8.0

[Boudewijn Rempt]

I'm all for it.

On Sat, 11 Aug 2012, Gopalakrishna Bhat wrote:

> Hi All,
> 
> Considering that CMake 2.8.0[1] was released 3 years back, I propose that we update our minimum requirement of cmake to 2.8.0. Even our build server[2] uses cmake 2.8.
>

I'm all for it.


> This bumping is also made important by the fact that we already use VERSION_GREATER, VERSION_EQUAL comparisons which was introduced only in 2.8.0[3]
> 
> With regards,
> Gopalakrishna
> 
> [1] http://www.kitware.com/news/home/browse/CDash%3F2009_11_04%26CMake+2.8.0+Now+Available
> [2] http://158.36.191.251:8080/viewLog.html?buildId=7336&buildTypeId=bt6&tab=buildLog
> [3] http://cmake.3232098.n2.nabble.com/What-CMake-release-introduced-VERSION-LESS-EQUAL-GREATER-td7503879.html
> 
> 
> With regards,
> Gopalakrishna
> 
> --
> My blog http://gkbhat.blogspot.com
> 
>