(Taken from http://forum.byte-welt.de/showthread.php?p=15396&langid=2#post15396 )


1) First of all grab the rpm package from 
   http://software.intel.com/en-us/articles/download-intel-opencl-sdk/.

2) Install the rpm and alien packages:
   sudo apt-get install rpm alien

3) Convert the rpm package to deb using alien: 
   fakeroot alien --to-deb <intel's rpm package filename>
   The conversion spits some warnings, I wouldn't pay any attention to them.

4) Install the newly created deb package. 
   sudo dpkg -i intel-ocl-sdk-suse+11.1_1.1-2_amd64.deb

5) One extra package you need to install for the library to work is libnuma. 
   sudo apt-get install libnuma1

6) Make sure the ICD is installed. 
   sudo echo "/usr/lib64/OpenCL/vendors/intel/libintelocl.so" > /etc/OpenCL/vendors/intelocl64.icd

7) The package is nice and also installs OpenCL headers in /usr/include/CL. 
   Also the main binary (libOpenCL.so) is installed in /usr/lib64 - if you 
   don't have any other OpenCL platform installed on your system, I suggest moving 
   it to /usr/lib. Run 
   sudo ldconfig
   afterwards. If you do have this library already (for example nvidia driver also 
   contains it) just leave it there.

8) Since the libraries are installed in non-standard location for 
   Ubuntu (/usr/lib64/OpenCL/vendors/intel), you'll need to adjust 
   your LD_LIBRARY_PATH. I usually do this using a script, but you can just run:
   export LD_LIBRARY_PATH=/usr/lib64/OpenCL/vendors/intel:$LD_LIBRARY_PATH