From e4a6b6f81fa492a63b12f0da0c381612deff1973 Mon Sep 17 00:00:00 2001
From: dcodeIO <dcode@dcode.io>
Date: Mon, 27 Mar 2017 17:15:25 +0200
Subject: [PATCH] Other: Make sure that util.Long is overridden by AMD loaders
 only if present, see #730

---
 lib/prelude.js | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/lib/prelude.js b/lib/prelude.js
index ee30929ac..e1743fa5d 100644
--- a/lib/prelude.js
+++ b/lib/prelude.js
@@ -18,8 +18,10 @@
     // Be nice to AMD
     if (typeof define === "function" && define.amd)
         define(["long"], function(Long) {
-            protobuf.util.Long = Long;
-            protobuf.configure();
+            if (Long && Long.fromValue) {
+                protobuf.util.Long = Long;
+                protobuf.configure();
+            }
             return protobuf;
         });