Si sice mozno lama, ale citat snad vies nie?
Potrebujes verziu 3, ty bezis na verzii 2.8.12.CMake Error at CMakeLists.txt:12 (cmake_minimum_required):
CMake 3.0 or higher is required. You are running version 2.8.12.2
Skus sudo apt-get update, ked nepomoze tak sudo apt-get install cmake.
Ci je cmake samostatny balicek, alebo sucast niecoho si uz zisti sam...to pisem pre pripad, ze ti apt-get napsie, ze cmake napozna.