sudo apt-get install -y gpg-agent wget
wget -qO - https://repositories.intel.com/graphics/intel-graphics.key |
  sudo apt-key add -
sudo apt-add-repository \
  'deb [arch=amd64] https://repositories.intel.com/graphics/ubuntu bionic main'

sudo apt-get update
sudo apt install ocl-icd-* opencl-headers intel-level-zero-gpu level-zero intel-opencl intel-igc-opencl-devel level-zero-devel

CodeBlocks build
cmake .. -G"CodeBlocks - Unix Makefiles"