From c001a1597329d6ec55f1385c8b364d87963df52a Mon Sep 17 00:00:00 2001
From: Andy Green <andy@warmcat.com>
Date: Fri, 6 Jan 2017 09:49:28 +0800
Subject: [PATCH] openssl: deal with missing OPENSSL_NO_TLSEXT on ancient
 versions

---
 lib/private-libwebsockets.h | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/lib/private-libwebsockets.h b/lib/private-libwebsockets.h
index 98f3c6846..cd36c3578 100644
--- a/lib/private-libwebsockets.h
+++ b/lib/private-libwebsockets.h
@@ -282,6 +282,15 @@ lws_plat_get_peer_simple(struct lws *wsi, char *name, int namelen);
 #include <openssl/ecdh.h>
 #endif
 #include <openssl/x509v3.h>
+
+#if (OPENSSL_VERSION_NUMBER < 0x0009080afL)
+/* later openssl defines this to negate the presence of tlsext... but it was only
+ * introduced at 0.9.8j.  Earlier versions don't know it exists so don't
+ * define it... making it look like the feature exists...
+ */
+#define OPENSSL_NO_TLSEXT
+#endif
+
 #endif /* not USE_MBEDTLS */
 #endif /* not USE_POLARSSL */
 #endif /* not USE_WOLFSSL */