Open-PDKs (open_pdks)
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Summary:

Automatic setup of PDKs for open-source tools from foundry sources.

Builds out and populates a new set of directories and subdirectories in
the efabless format, with the efabless name for the PDK at the top,
followed by categories "libs.ref" (IP) and "libs.tech" (EDA tool setup),
each with subcategories corresponding to layout, abstract views,
netlists, etc. for the IP;  and magic, netgen, qflow, etc., for the
EDA tool setup.

The populated PDK directories can contain either copies of files from
the foundry sources, links to the foundry sources, or links back to
another PDK.

Generates magic layout views for all vendor IP for which either a GDS
view or a LEF view exists.  Annotates the views as needed to handle
ports, bounding boxes, etc.

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This distribution contains sources for building out the SkyWater SKY130
130nm process.  Sources for the foundry process data must be obtained
separately.  Read the README file in subdirectory sky130/ for instructions
on obtaining and building the SkyWater sky130A PDK.

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License:

Open_PDKs is open-source software distributed under the Apache-2.0 license.
See file LICENSE for the complete license text.

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Instructions:

    git clone https://github.com/RTimothyEdwards/open_pdks.git
    cd open_pdks
    ./configure [options]
    make
    make install

where the configure [options] are specific to each foundry PDK supported
by open_pdks and can be queried using

    ./configure --help

At a minimum you will want to pass a configure option to declare the location
of the PDK vendor source distribution (which can be obtained separately),

    ./configure --with-[PDK_name]-source=[path]

The open_pdks version of the PDK can be built locally within open_pdks without
the need to declare an install target or run "make install".  However, it is
recommended to declare a target location and install there, using

    ./configure --with-[PDK_name]-source=[path] --with-[PDK_name]-local-path=[path]

followed by "make" and "make install".

Also see the website at http://opencircuitdesign.com/open_pdks/.  The "Install"
page has full instructions for configuring and installing open_pdks.