This link with opengles sdk is broken.
When i download it, a virus scanner removes libgles sdk libraries.
Here is the link from the site:
This is the message i get.
Microsoft Forefront Protection for Exchange Server removed a file since it was found to match a filter.
File name: "winmail.dat->GLES_SDK_v31.zip->libEGL.dll"
Filter name: "FILE FILTER= AMD Delete: *"