$pdf_mode = 4;
$lualatex = 'lualatex --shell-escape %O %S';
$aux_dir = 'aux';
# Custom dependency and function for nomencl package
add_cus_dep("nlo", "nls", 0, "nlo2nls");
sub nlo2nls {
  system("makeindex $_[0].nlo -s nomencl.ist -o $_[0].nls -t $_[0].nlg");
}