@aryap make sure you follow the instructions from the gfmpw-0d branch, the unfortunate fact that the repo forked between the two PDKs makes it so that the default docs ended up drifting from the GF shuttle instructions https://github.com/efabless/caravel_user_project/blob/gfmpw-0d/docs/source/index.rst

Yeah, I have been since I realised this. Filed a bug