.latexmkrc

lualatex('-shell-escape -synctex=1 -interaction=nonstopmode -halt-on-error');

$aux_dir = 'build';
$out_dir = 'build';
$makeindex = 'upmemdex';
$bibtex = 'upbibtex';
$biber = 'biber --bblencoding=utf8 -u -U --output_safechars';

sub pdflatex {
  $pdf_mode = 1;
  $latex = $pdflatex = "pdflatex $_[0]";
}

sub uplatex {
  $pdf_mode = 3;
  $dvipdf = 'dvipdfmx';
  $latex = "uplatex $_[0]";
}

sub lualatex {
  $pdf_mode = 4;
  $latex = $lualatex = "lualatex $_[0]";
}

sub xelatex {
  $pdf_mode = 5;
  $latex = $xelatex = "xelatex $_[0]";
}