[PATCH] Teach CMake build system to run lit's own test suite

[Dan Liew via llvm-commits]

>> Could you tell me
>>
>> - What OS you are using (e.g. Ubuntu 14.04LTS)
>
>
> Ubuntu 14.04 LTS on 3.13.0-67-generic.
>
>> - What Python version you have
>
>
> 2.7.6
>
>>
>> - What version of the Python psutil module you have
>
>
> 1.2.1-1ubuntu2
>
>> With that I can have a go at reproducing your issue.

Thanks. I'll try that configuration out and see if I can reproduce the problem.

Given that I won't be able to do this immediately and that there are
other tests failing under Windows too I've reverted this patch for now
in r257268.