This project should be cross-compiled with Vagrant. See otto-creator for details.
From the root directory run
CC=arm-stak-linux-gnueabihf-gcc CXX=arm-stak-linux-gnueabihf-g++ make
main with the menu and a mode:
sudo /stak/sdk/otto-sdk/build/main \
otto-gif-mode must be located at
/stak/sdk on your Pi.