$OpenBSD: patch-Datum_pm,v 1.1 2019/02/10 16:49:32 cwen Exp $
"defined %hash" is an error in perl 5.22+
Index: Datum.pm
--- Datum.pm.orig
+++ Datum.pm
@@ -315,7 +315,7 @@ sub DTRACE {
 		TRC_NOTICE()	=> [\&logsay, undef],
 		TRC_INFO()		=> [\&logtrc, 'info'],
 		TRC_DEBUG()		=> [\&logtrc, 'debug'],
-	) unless defined %Carp::Datum::logmap;
+	) unless %Carp::Datum::logmap;
 
 	my $entry = $Carp::Datum::logmap{$level};
 
