Index: sntp/libevent/test/regress_ssl.c
--- sntp/libevent/test/regress_ssl.c.orig
+++ sntp/libevent/test/regress_ssl.c
@@ -61,7 +61,7 @@
 
 #include <string.h>
 
-#if OPENSSL_VERSION_NUMBER < 0x10100000L
+#if OPENSSL_VERSION_NUMBER < 0x10100000L || defined(LIBRESSL_VERSION_NUMBER)
 #define OpenSSL_version_num SSLeay
 #endif /* OPENSSL_VERSION_NUMBER */
 
