The code are supposed to be dowloaded to our source tree to be used.
wget https://raw.githubusercontent.com/cee-studio/cee-utils/master/scripts/get-cee-utils.sh
./get-cee-utils.sh
many GPL codec https://github.com/cantora/avr-crypto-lib
single file C unit test https://github.com/silentbicycle/greatest