checking package dependencies
compiling AbstractDeriveAttrib.bs
code generation for sysAbstractDeriveAttrib starts
Error: "AbstractDeriveAttrib.bs", line 4, column 4: (S0015)
  Bluespec evaluation-time error: Attempt to use undetermined
  Prelude.Attributes__
  During elaboration of `sysAbstractDeriveAttrib' at
  "AbstractDeriveAttrib.bs", line 11, column 0.