--- src/tls.c.orig	2015-05-27 00:16:48.000000000 -0600
+++ src/tls.c	2015-05-27 00:23:53.000000000 -0600
@@ -48,7 +48,7 @@
 
 static int tls_init_ecdh_curve(void)
 {
-# ifndef SSL_OP_SINGLE_ECDH_USE
+# if !defined(SSL_OP_SINGLE_ECDH_USE) || !defined(EC_KEY)
     errno = ENOTSUP;
     return -1;
 # else