diff --git a/perl/t/00_compile.t b/perl/t/00_compile.t
index d465f8dc..29c6ca05 100644
--- a/perl/t/00_compile.t
+++ b/perl/t/00_compile.t
@@ -1,7 +1,9 @@
 use strict;
 use warnings;
 use Test::More tests => 1;
-
+use Config;
 use_ok 'Data::MessagePack';
 diag ( "Testing Data::MessagePack/$Data::MessagePack::VERSION (",
     $INC{'Data/MessagePack/PP.pm'} ? 'PP' : 'XS', ")" );
+
+diag "byteoder: $Config{byteorder}, ivsize=$Config{ivsize}";