git clone git@github.com:efabless/caravel_user_project.git

export PDK_ROOT=$(pwd)/pdk

export OPENLANE_ROOT=$(pwd)/openlane

export OPENLANE_TAG=v0.15

cd caravel_user_project

git checkout mpw-two-b

export CARAVEL_ROOT=$(pwd)/caravel

make install    # install caravel

make pdk        # build pdk

make openlane   # build openlane

time make user_proj_example