[CMake] Switching configuration to icc

[Tom Kacvinsky]

> On May 10, 2015, at 13:16, Rahul K Soni <rahul at ismu.ac.in> wrote:
> 
> Hi Petr
> 
> Is deleting the buildsysystem means deleting the CMakeCache.txt file. How to set CC and CXX before configuring. 
> 
> Thanks a lot in advance. 

Shoot, I had top posted.   Yes, you need to delete the bus directory as cmake caches settings after the initial run.  Once the build directory is deleted, you need to run cmake as follows:

CC=icc CXX=icpc cmake <options>