add_cus_dep( 'acn', 'acr', 0, 'makeglossaries' );
   add_cus_dep( 'glo', 'gls', 0, 'makeglossaries' );
   add_cus_dep( 'mech-glo', 'mech-gls', 0, 'makeglossaries' );
   add_cus_dep( 'people-glo', 'people-gls', 0, 'makeglossaries' );
   $clean_ext .= " acr acn alg glo gls glg";

   sub makeglossaries {
        my ($base_name, $path) = fileparse( $_[0] );
        my @args = ( "-q", "-d", $path, $base_name );
        if ($silent) { unshift @args, "-q"; }
        return system "makeglossaries", "-d", $path, $base_name; 
    }