--- tools/aff_bom.cpp.orig	2016-09-12 18:18:01 UTC
+++ tools/aff_bom.cpp
@@ -36,7 +36,7 @@
 #endif
 
 /* Support OpenSSL before 1.1.0 */
-#if OPENSSL_VERSION_NUMBER < 0x10100000L
+#if OPENSSL_VERSION_NUMBER < 0x10100000L || defined(LIBRESSL_VERSION_NUMBER)
 #define EVP_MD_CTX_new EVP_MD_CTX_create
 #define EVP_MD_CTX_free EVP_MD_CTX_destroy
 #endif