autoconf
mkdir build
cd build
../configure --with-rocketchip=$HOME/repos/github.com/freechipsproject/rocket-chip
make
You can then run one of these tests if you have a built version of the LeChiffreConfig
Rocket Chip emulator:
./emulator-freechips.rocketchip.system-LeChiffreConfig ../chiffre/tests/build/smoke/le-chiffre-p-faulty-cycle