checking package dependencies
compiling AbstractDerivePosition.bsv
code generation for mkAbstractDerivePosition starts
Error: "AbstractDerivePosition.bsv", line 3, column 14: (S0015)
  Bluespec evaluation-time error: Attempt to use undetermined Position__
  During elaboration of `primError' at "AbstractDerivePosition.bsv", line 3,
  column 4.
  During elaboration of `mkAbstractDerivePosition' at
  "AbstractDerivePosition.bsv", line 2, column 8.