[CMake] 138% progress when building both all and not-in-all target?

[Brad King]

On 06/20/2014 04:24 AM, Ben Pope wrote:
> I've also seen this using the Makefile generator, the bigger problem is 
> that it ends up building the dependencies of those targets in parallel, 
> if there is overlap, it may try to build the same target multiple times 
> simultaneously, which can obviously break the build

This issue is recorded here:

 http://www.cmake.org/Bug/view.php?id=14312

It has been fixed for GNU make in CMake 3.0.

-Brad