From 377dda29ea0b5d28ff59c23be2a2a380fd6630ba Mon Sep 17 00:00:00 2001
From: Kabir Oberai
Date: Sun, 4 Sep 2022 16:03:16 -0400
Subject: Support OpenSSL built without OPENSSL_ENGINE

---
 3rd_party/libsrp6a-sha512/t_math.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

(limited to '3rd_party/libsrp6a-sha512/t_math.c')

diff --git a/3rd_party/libsrp6a-sha512/t_math.c b/3rd_party/libsrp6a-sha512/t_math.c
index 88ae12f..e655daa 100644
--- a/3rd_party/libsrp6a-sha512/t_math.c
+++ b/3rd_party/libsrp6a-sha512/t_math.c
@@ -39,7 +39,8 @@ typedef BIGNUM * BigInteger;
 typedef BN_CTX * BigIntegerCtx;
 typedef BN_MONT_CTX * BigIntegerModAccel;
 #include <limits.h>
-# ifdef OPENSSL_ENGINE
+# ifndef OPENSSL_NO_ENGINE
+#  define OPENSSL_ENGINE
 #  include "openssl/engine.h"
 static ENGINE * default_engine = NULL;
 # endif /* OPENSSL_ENGINE */
@@ -951,7 +952,7 @@ BigIntegerModAccelFree(accel)
 BigIntegerResult
 BigIntegerInitialize()
 {
-#if OPENSSL_VERSION_NUMBER >= 0x00907000
+#if OPENSSL_VERSION_NUMBER >= 0x00907000 && defined(OPENSSL_ENGINE)
   ENGINE_load_builtin_engines();
 #endif
   return BIG_INTEGER_SUCCESS;
-- 
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