From 2eb7227adea1d5cf85f0bc2a82b7059b13c2fa68 Mon Sep 17 00:00:00 2001
From: "Jeff R. Allen" <jra@nella.org>
Date: Tue, 28 May 2019 22:21:53 +0200
Subject: [PATCH] Fix the build on Go 1.10 and before (#161)

Fixes #160.
---
 bolt_riscv64.go | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/bolt_riscv64.go b/bolt_riscv64.go
index 2d962d3b1..07b4b47cd 100644
--- a/bolt_riscv64.go
+++ b/bolt_riscv64.go
@@ -1,3 +1,5 @@
+// +build riscv64
+
 package bbolt
 
 // maxMapSize represents the largest mmap size supported by Bolt.