$OpenBSD$

Index: Makefile.PL
--- Makefile.PL.orig
+++ Makefile.PL
@@ -23,7 +23,7 @@ sub find_tests_recursively_in {
         keys %seen
 }
 
-my $settings_file = 'Makefile_PL_settings';
+my $settings_file = './Makefile_PL_settings';
 my %settings = %{do $settings_file or die "Internal error: can't do $settings_file: ", $@ || $!};
 
 {
