From 53b5ffa1034abdf2367b7c26283a14c692e8b75f Mon Sep 17 00:00:00 2001
From: yuuki-kodama <yuuki-kodama@iij.ad.jp>
Date: Wed, 12 Aug 2015 15:32:54 +0900
Subject: [PATCH] Guard ecdh use with !OPENSSL_NO_EC
 @asio_server_tls_context.cc

---
 src/asio_server_tls_context.cc | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/asio_server_tls_context.cc b/src/asio_server_tls_context.cc
index 291d88af..4790a956 100644
--- a/src/asio_server_tls_context.cc
+++ b/src/asio_server_tls_context.cc
@@ -61,11 +61,13 @@ configure_tls_context_easy(boost::system::error_code &ec,
 
   SSL_CTX_set_cipher_list(ctx, ssl::DEFAULT_CIPHER_LIST);
 
+#ifndef OPENSSL_NO_EC
   auto ecdh = EC_KEY_new_by_curve_name(NID_X9_62_prime256v1);
   if (ecdh) {
     SSL_CTX_set_tmp_ecdh(ctx, ecdh);
     EC_KEY_free(ecdh);
   }
+#endif /* OPENSSL_NO_EC */
 
   SSL_CTX_set_next_protos_advertised_cb(
       ctx,