From c9d165bbcc8cf91f0170f16b6ec2e16b208432c7 Mon Sep 17 00:00:00 2001
From: Hai Vu <twoask@github.invalid.com>
Date: Tue, 10 Jan 2017 09:16:41 +0800
Subject: [PATCH] ssl-correct-option-clear-availability-version

https://github.com/warmcat/libwebsockets/issues/744
---
 lib/ssl-server.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/lib/ssl-server.c b/lib/ssl-server.c
index b1e21741..8f6a98af 100644
--- a/lib/ssl-server.c
+++ b/lib/ssl-server.c
@@ -392,8 +392,12 @@ lws_context_init_server_ssl(struct lws_context_creation_info *info,
 
 	if (info->ssl_options_set)
 		SSL_CTX_set_options(vhost->ssl_ctx, info->ssl_options_set);
+
+/* SSL_clear_options introduced in 0.9.8m */
+#if (OPENSSL_VERSION_NUMBER >= 0x009080df)
 	if (info->ssl_options_clear)
 		SSL_CTX_clear_options(vhost->ssl_ctx, info->ssl_options_clear);
+#endif
 
 	lwsl_info(" SSL options 0x%X\n",
 		    SSL_CTX_get_options(vhost->ssl_ctx));