$OpenBSD: patch-latexmk_pl,v 1.2 2014/03/09 22:17:03 ajacoutot Exp $
--- latexmk.pl.orig	Sun Nov 10 19:07:12 2013
+++ latexmk.pl	Sun Mar  2 10:37:59 2014
@@ -958,6 +958,9 @@ else {
         $lpr_pdf  = 'lpr %O %S';
         $pscmd = "ps -ww -u $ENV{USER}"; 
     }
+    elsif ( $^O eq "openbsd" ) {
+        $pscmd = "ps -ww -U $ENV{USER}";
+    }
 }
 
 ## default parameters
