--- ./openssl-compat.h.orig	2018-09-06 16:36:35.869357121 +0800
+++ ./openssl-compat.h	2018-09-06 16:36:20.887004737 +0800
@@ -44,4 +44,8 @@
 
 #endif /* OPENSSL_VERSION_NUMBER < 0x10100000L */
 
+#if defined(LIBRESSL_VERSION_NUMBER)
+#define BIO_get_init(b) (b)->init
+#endif
+
 #endif /* OPENSSL_COMPAT_H */