From 58908295520c5f5d0003ce0694099c279acec608 Mon Sep 17 00:00:00 2001
From: Lee Clagett <code@leeclagett.com>
Date: Tue, 19 Sep 2017 10:54:15 -0400
Subject: Fixes static_assert on arm and ppc builds

---
 src/serialization/json_object.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

(limited to 'src/serialization')

diff --git a/src/serialization/json_object.cpp b/src/serialization/json_object.cpp
index ead3fdd58..e35389f9c 100644
--- a/src/serialization/json_object.cpp
+++ b/src/serialization/json_object.cpp
@@ -29,6 +29,7 @@
 #include "json_object.h"
 
 #include <limits>
+#include <type_traits>
 #include "string_tools.h"
 
 namespace cryptonote
@@ -52,8 +53,9 @@ namespace
   void convert_numeric(Source source, Type& i)
   {
     static_assert(
+      (std::is_same<Type, char>() && std::is_same<Source, int>()) ||
       std::numeric_limits<Source>::is_signed == std::numeric_limits<Type>::is_signed,
-      "source and destination signs do not match"
+      "comparisons below may have undefined behavior"
     );
     if (source < std::numeric_limits<Type>::min())
     {
-- 
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