--- r/ext/openssl/openssl_missing.h.orig        2018-03-22 19:37:19 UTC
+++ r/ext/openssl/openssl_missing.h
@@ -145,6 +148,7 @@ void ossl_X509_REQ_get0_signature(const 
 #endif
 
 #if !defined(HAVE_OPAQUE_OPENSSL)
+#if defined(LIBRESSL_VERSION_NUMBER) && LIBRESSL_VERSION_NUMBER < 0x2070000fL
 #define IMPL_PKEY_GETTER(_type, _name) \
 static inline _type *EVP_PKEY_get0_##_type(EVP_PKEY *pkey) { \
         return pkey->pkey._name; }
@@ -196,6 +200,7 @@ IMPL_PKEY_GETTER(EC_KEY, ec)
 #undef IMPL_PKEY_GETTER
 #undef IMPL_KEY_ACCESSOR2
 #undef IMPL_KEY_ACCESSOR3
+#endif
 #endif /* HAVE_OPAQUE_OPENSSL */
 
 #if !defined(EVP_CTRL_AEAD_GET_TAG)

.