From 77f38e4449682178c9769a1010af9a10e5cf7fc1 Mon Sep 17 00:00:00 2001
From: Benoit Blanchon <github@benoitblanchon.fr>
Date: Thu, 28 Feb 2019 16:31:08 +0100
Subject: [PATCH] Travis: restore build on GCC 4.4

---
 .travis.yml                           |  6 ++++++
 src/ArduinoJson/Configuration.hpp     |  2 +-
 src/ArduinoJson/MsgPack/endianess.hpp | 19 +++++++++++--------
 3 files changed, 18 insertions(+), 9 deletions(-)

diff --git a/.travis.yml b/.travis.yml
index c0233eab..b2bad392 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -2,6 +2,12 @@ sudo: false
 language: cpp
 matrix:
   include:
+    - compiler: gcc
+      addons:
+        apt:
+          sources: ['ubuntu-toolchain-r-test']
+          packages: ['g++-4.4']
+      env: SCRIPT=cmake GCC=4.4
     - compiler: gcc
       addons:
         apt:
diff --git a/src/ArduinoJson/Configuration.hpp b/src/ArduinoJson/Configuration.hpp
index 1b9dd9fc..c34264bd 100644
--- a/src/ArduinoJson/Configuration.hpp
+++ b/src/ArduinoJson/Configuration.hpp
@@ -139,7 +139,7 @@
 #ifndef ARDUINOJSON_LITTLE_ENDIAN
 #if defined(_MSC_VER) ||                                                      \
     (defined(__BYTE_ORDER__) && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__) || \
-    (defined(__LITTLE_ENDIAN__))
+    defined(__LITTLE_ENDIAN__) || defined(__i386) || defined(__x86_64)
 #define ARDUINOJSON_LITTLE_ENDIAN 1
 #else
 #define ARDUINOJSON_LITTLE_ENDIAN 0
diff --git a/src/ArduinoJson/MsgPack/endianess.hpp b/src/ArduinoJson/MsgPack/endianess.hpp
index 73c808c1..e44129cc 100644
--- a/src/ArduinoJson/MsgPack/endianess.hpp
+++ b/src/ArduinoJson/MsgPack/endianess.hpp
@@ -9,30 +9,33 @@
 
 namespace ARDUINOJSON_NAMESPACE {
 
-inline void fixEndianess(uint8_t* p, integral_constant<size_t, 8>) {
+#if ARDUINOJSON_LITTLE_ENDIAN
+inline void fixEndianess(uint8_t *p, integral_constant<size_t, 8>) {
   swap(p[0], p[7]);
   swap(p[1], p[6]);
   swap(p[2], p[5]);
   swap(p[3], p[4]);
 }
 
-inline void fixEndianess(uint8_t* p, integral_constant<size_t, 4>) {
+inline void fixEndianess(uint8_t *p, integral_constant<size_t, 4>) {
   swap(p[0], p[3]);
   swap(p[1], p[2]);
 }
 
-inline void fixEndianess(uint8_t* p, integral_constant<size_t, 2>) {
+inline void fixEndianess(uint8_t *p, integral_constant<size_t, 2>) {
   swap(p[0], p[1]);
 }
 
-inline void fixEndianess(uint8_t*, integral_constant<size_t, 1>) {}
+inline void fixEndianess(uint8_t *, integral_constant<size_t, 1>) {}
 
 template <typename T>
-inline void fixEndianess(T& value) {
-#if ARDUINOJSON_LITTLE_ENDIAN
-  fixEndianess(reinterpret_cast<uint8_t*>(&value),
+inline void fixEndianess(T &value) {
+  fixEndianess(reinterpret_cast<uint8_t *>(&value),
                integral_constant<size_t, sizeof(T)>());
-#endif
 }
+#else
+template <typename T>
+inline void fixEndianess(T &) {}
+#endif
 
 }  // namespace ARDUINOJSON_NAMESPACE