Warning: "UnreadableTop.bsv", line 1, column 8: (S0088)
  Found but could not read the file `libdir1/DupPkg.bo':
    permission denied
Warning: "UnreadableTop.bsv", line 1, column 8: (S0089)
  Multiple copies of a file were found in the path. Using:
    ./DupPkg.bo
  Ignoring:
    libdir1/DupPkg.bo
    libdir2/DupPkg.bo