--- a/lib/crypt.h	2017-12-05 10:49:37.989410986 -0800
+++ b/lib/crypt.h	2017-12-05 10:50:05.212179197 -0800
@@ -26,7 +26,7 @@
 
 #include <openssl/rsa.h>
 
-#if (OPENSSL_VERSION_NUMBER >= 0x10100000L) /* OpenSSL 1.1.0+ */
+#if (OPENSSL_VERSION_NUMBER >= 0x10100000L && !defined(LIBRESSL_VERSION_NUMBER)) /* OpenSSL 1.1.0+ */
 #define HAVE_OPAQUE_EVP_PKEY 1 /* since 1.1.0 -pre3 */
 #define HAVE_OPAQUE_RSA_DSA_DH 1 /* since 1.1.0 -pre5 */
 #endif