[CMake] CMake loses/switches generator, breaking build directories

[Nils Gladitz]

On 10/01/2015 11:39 AM, Jens Weggemann wrote:
> Hello,
>
> I've run into a problem where rerunning CMake (for instance,
> automatically from Visual Studio via the ZERO_CHECK target) would
> sometimes switch to a different generator, like from 64-bit to 32-bit,
> completely messing up the build directory.

That sounds like https://cmake.org/Bug/view.php?id=15640 which should be 
fixed in the upcoming 3.4.

Nils