From 3df7efd34b26328c94149b6828ea22bb73ce00a2 Mon Sep 17 00:00:00 2001
From: Sergey Kandaurov <pluknet@nginx.com>
Date: Tue, 10 Aug 2021 23:43:16 +0300
Subject: [PATCH] SSL: silenced warnings when building with OpenSSL 3.0.

The OPENSSL_SUPPRESS_DEPRECATED macro is used to suppress deprecation warnings.
This covers Session Tickets keys, SSL Engine, DH low level API for DHE ciphers.

Unlike OPENSSL_API_COMPAT, it works well with OpenSSL built with no-deprecated.
In particular, it doesn't unhide various macros in OpenSSL includes, which are
meant to be hidden under OPENSSL_NO_DEPRECATED.
---
 src/event/ngx_event_openssl.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/event/ngx_event_openssl.h b/src/event/ngx_event_openssl.h
index a54a86a4e..81b87d7cb 100644
--- a/src/event/ngx_event_openssl.h
+++ b/src/event/ngx_event_openssl.h
@@ -12,6 +12,8 @@
 #include <ngx_config.h>
 #include <ngx_core.h>
 
+#define OPENSSL_SUPPRESS_DEPRECATED
+
 #include <openssl/ssl.h>
 #include <openssl/err.h>
 #include <openssl/bn.h>