=== file common.v ===

package common;

typedef enum { NONE, RST, INC, LOAD } microaddr_cmd;

endpackage: common

=== file microaddr_counter.v ===

module microaddr_counter
     import common::*;

(input wire clk,
     input common::microaddr_cmd cmd,
     input wire [9:0] load_addr,
     output reg [9:0] addr);

always_ff @(posedge clk) begin
     unique case(cmd)
         NONE: ;
         RST: addr <= 0;
         INC: addr <= addr + 1;
         LOAD: addr <= load_addr;
     endcase
end

endmodule

	/usr/local/bin/verilator_bin_dbg -Wall -I. --debug -cc microaddr_counter.v
Starting Verilator 3.890 2016-11-25 rev verilator_3_890
- V3Os.cpp:54:        export SYSTEMC_ARCH=linux # From sysname 'linux'
- V3File.cpp:190:        --check-times failed: no input obj_dir/Vmicroaddr_counter__verFiles.dat
- V3GraphTest.cpp:356:test: 
- V3ParseImp.cpp:97:  parseFile: microaddr_counter
  Preprocessing microaddr_counter.v
- V3PreShell.cpp:133:     Reading microaddr_counter.v
- V3ParseImp.cpp:162: Lexing microaddr_counter.v
%Error: microaddr_counter.v:2: syntax error, unexpected IDENTIFIER, expecting PACKAGE-IDENTIFIER
%Error: microaddr_counter.v:5: syntax error, unexpected input, expecting IDENTIFIER or do or final
%Error: microaddr_counter.v:7: syntax error, unexpected output, expecting IDENTIFIER or do or final
%Error: microaddr_counter.v:7: syntax error, unexpected ')', expecting ',' or ';'
%Error: Exiting due to 4 error(s)
- V3Ast.cpp:1035:     Dumping obj_dir/Vmicroaddr_counter_990_final.tree
- V3StatsReport.cpp:207:statsReport: 
%Error: Aborting since under --debug
%Error: export VERILATOR_ROOT=/usr/local
%Error: /usr/local/bin/verilator_bin_dbg -Wall -I. --debug -cc microaddr_counter.v
%Error: Command Failed /usr/local/bin/verilator_bin_dbg -Wall -I. --debug -cc microaddr_counter.v