opencl library example

In the website "https://www.altera.com/products/design-software/embedded-software-developers/opencl/developer-zone.html#design-examples",there is an example of "opencl library". In the PDF "Intel FPGA SDK for OpenCL programing guide",2.1.7 Using an OpenCL Library that Works with Simple Functions have the commad perl make_lib.pl ,it can't find the make_lib.pl file when I run the command . Can you tell me where I can find the make_lib.pl ?