OpenLane is an automated RTL to GDSII flow based on several components including OpenROAD, Yosys, Magic, Netgen and custom methodology scripts for design exploration and optimization.
This makes OpenLane use a Nix 3-based build system in place of the ad-hoc tool_metadata.yaml + Docker-based build-system.
A Docker image is still the ultimate product, so there is no impact on the end-user (other than yum no longer being a thing.)
This PR also effectively synchronizes all tool versions with those of OpenLane 2.
+ Repository is now a Nix flake
~ Change all invocations of `openroad -python` to use `run_odbpy_script` for consistency
~ Change build system from ad-hoc to Nix, still producing a Docker image as a final result
~ Update KLayout scripts to use `klayout-pymod` or properly parse commandline arguments
~ `open_pdks` -> `bdc9412` to match OpenLane 2
- Remove local installer; `nix run .` will run OpenLane natively
This makes OpenLane use a Nix 3-based build system in place of the ad-hoc
tool_metadata.yaml+ Docker-based build-system.A Docker image is still the ultimate product, so there is no impact on the end-user (other than
yumno longer being a thing.)This PR also effectively synchronizes all tool versions with those of OpenLane 2.