dirlist = {"utl", "asm", "tst", "nls", "prs", "sbn"};
dirname = fileparts (canonicalize_file_name (mfilename ("fullpath")));

if (! exist (fullfile (dirname, "inst"), "dir"))
  ## Run this if the package is installed
  for ii=1:length (dirlist)
    addpath (fullfile (dirname, dirlist{ii}), "-end")
  endfor
else
  ## Run this if we are testing the package without installation
  for ii=1:length(dirlist)
    addpath (fullfile (dirname, "inst", dirlist{ii}))
    addpath (fullfile (dirname, "src"))
  endfor
endif

warning ("off", "Octave:fopen-file-in-path");
clear dirlist dirname