From a3643c6076e60f778e069340100e86bec5786e5f Mon Sep 17 00:00:00 2001
From: Rosen Penev <rosenp@gmail.com>
Date: Thu, 8 Nov 2018 16:01:05 -0800
Subject: [PATCH] openssl: Do not use engines when OpenSSL does not support

* src/openssl.c: Check for OPENSSL_NO_ENGINE before
 including openssl/engine.h and before calling ENGINE_load_builtin_engines()

Fixes compilation with no engines compiled.

Copyright-paperwork-exempt: Yes
Signed-off-by: Rosen Penev <rosenp@gmail.com>
---
 src/openssl.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/openssl.c b/src/openssl.c
index 6cf4afe9..73e7f0f4 100644
--- a/src/openssl.c
+++ b/src/openssl.c
@@ -43,8 +43,10 @@ as that of the covered work.  */
 #include <openssl/bio.h>
 #if OPENSSL_VERSION_NUMBER >= 0x00907000
 #include <openssl/conf.h>
+#ifndef OPENSSL_NO_ENGINE
 #include <openssl/engine.h>
 #endif
+#endif
 
 #include "utils.h"
 #include "connect.h"
@@ -193,7 +195,9 @@ ssl_init (void)
 
 #if OPENSSL_VERSION_NUMBER >= 0x00907000
   OPENSSL_load_builtin_modules();
+#ifndef OPENSSL_NO_ENGINE
   ENGINE_load_builtin_engines();
+#endif
   CONF_modules_load_file(NULL, NULL,
       CONF_MFLAGS_DEFAULT_SECTION|CONF_MFLAGS_IGNORE_MISSING_FILE);
 #endif