From 2b5827df6d6a4db4e190114a31540b413376b1e5 Mon Sep 17 00:00:00 2001
From: Richard Levitte <levitte@openssl.org>
Date: Wed, 4 Dec 2019 00:10:04 +0100
Subject: [PATCH] Disable devcryptoeng on newer OpenBSD versions

It's reported that /dev/crypto support has been dropped in OpenBSD 5.7.

Fixes #10552

Reviewed-by: Tim Hudson <tjh@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/10565)
---
 Configure | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/Configure b/Configure
index a6aae00fd4..4993dc212d 100755
--- a/Configure
+++ b/Configure
@@ -1587,6 +1587,21 @@ unless ($disabled{afalgeng}) {
     }
 }
 
+unless ($disabled{devcryptoeng}) {
+    if ($target =~ m/^BSD/) {
+        my $maxver = 5*100 + 7;
+        my $sysstr = `uname -s`;
+        my $verstr = `uname -r`;
+        $sysstr =~ s|\R$||;
+        $verstr =~ s|\R$||;
+        my ($ma, $mi, @rest) = split m|\.|, $verstr;
+        my $ver = $ma*100 + $mi;
+        if ($sysstr eq 'OpenBSD' && $ver >= $maxver) {
+            disable('too-new-kernel', 'devcryptoeng');
+        }
+    }
+}
+
 push @{$config{openssl_other_defines}}, "OPENSSL_NO_AFALGENG" if ($disabled{afalgeng});
 
 # Get the extra flags used when building shared libraries and modules.  We