checking package dependencies compiling Ifc_Clock_ArrSel.bsv code generation for sysIfc_Clock_If starts Error: "Ifc_Clock_ArrSel.bsv", line 10, column 4: (G0067) The expression for a clock could not be evaluated. Clocks must be determined at compile time and cannot be computed dynamically. During elaboration of the interface output clock `clk_out' at "Ifc_Clock_ArrSel.bsv", line 6, column 8. During elaboration of `sysIfc_Clock_If' at "Ifc_Clock_ArrSel.bsv", line 6, column 8.