#    _ __   ___  _ __   ___ ___  _ __ _ __
#   | '_ \ / _ \| '_ \ / __/ _ \| '__| '_ \\
#   | |_) | (_) | |_) | (_| (_) | |  | | | |
#   | .__/ \___/| .__/ \___\___/|_|  |_| |_|
#   |_|launched:|_| 20210622
../Tools/popcorn/popcorn -b 5 -D "2-input Not-OR (or NOR) gate" -m nor -c NOR2 INV > NOR2
*** ERROR: unbound variable: grep-highest-internal-node
Stack Trace:
_______________________________________
  0  (grep-highest-internal-node netlist)
        at "../Tools/popcorn/../popcorn/expander.scm":397
  1  (grep-highest-internal-node netlist)
        at "../Tools/popcorn/../popcorn/expander.scm":397
  2  (expand-netlist-nor current-netlist)
        at "../Tools/popcorn/../popcorn/expander.scm":452
  3  (expand-cell (common:dataset-cell cell-file) expansion-method ...
        at "./../Tools/popcorn/popcorn.scm":319
  4  (exporter:dataset-cell cell)
        at "./../Tools/popcorn/popcorn.scm":321
  5  (rdisplay (exporter:dataset-cell cell))
        at "./../Tools/popcorn/popcorn.scm":321
make[1]: *** [<http://stacked2_cells.mk:118|stacked2_cells.mk:118>: NOR2] Error 70
make[1]: Leaving directory '/home/tom/repositories/StdCellLib/chipforge/Catalog'
make: *** [GNUmakefile:112: catalog] Error 2