$OpenBSD: patch-src_SWIG__evp_i,v 1.1 2021/07/24 20:02:04 sthen Exp $

Fix build with LibreSSL

Index: src/SWIG/_evp.i
--- src/SWIG/_evp.i.orig
+++ src/SWIG/_evp.i
@@ -19,7 +19,7 @@ Copyright (c) 2009-2010 Heikki Toivonen. All rights re
 #include <openssl/rsa.h>
 #include <openssl/opensslv.h>
 
-#if OPENSSL_VERSION_NUMBER < 0x10100000L
+#if OPENSSL_VERSION_NUMBER < 0x10100000L || defined(LIBRESSL_VERSION_NUMBER)
 
 HMAC_CTX *HMAC_CTX_new(void) {
     HMAC_CTX *ret = PyMem_Malloc(sizeof(HMAC_CTX));
