From c7cc4e184e3ac910573aa8589ff16d69022820cc Mon Sep 17 00:00:00 2001
From: Ben Vinson <vinsonb@gmail.com>
Date: Wed, 12 Aug 2015 08:28:01 -0600
Subject: [PATCH] Check for OPENSSL_NO_ECDH before using ECDH

---
 ext/puma_http11/mini_ssl.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/ext/puma_http11/mini_ssl.c b/ext/puma_http11/mini_ssl.c
index 105e6e91f1..15a59cdd8a 100644
--- a/ext/puma_http11/mini_ssl.c
+++ b/ext/puma_http11/mini_ssl.c
@@ -147,11 +147,13 @@ VALUE engine_init_server(VALUE self, VALUE mini_ssl_ctx) {
   DH *dh = get_dh1024();
   SSL_CTX_set_tmp_dh(ctx, dh);
 
+#ifndef OPENSSL_NO_ECDH
   EC_KEY *ecdh = EC_KEY_new_by_curve_name(NID_secp521r1);
   if (ecdh) {
     SSL_CTX_set_tmp_ecdh(ctx, ecdh);
     EC_KEY_free(ecdh);
   }
+#endif
 
   ssl = SSL_new(ctx);
   conn->ssl = ssl;