From 870ea3acfd9a39c16b6c851a398b0df1253fd924 Mon Sep 17 00:00:00 2001
From: Rosen Penev <rosenp@gmail.com>
Date: Thu, 29 Jun 2023 13:18:00 -0700
Subject: [PATCH] endian check from runtime to compile time

Signed-off-by: Rosen Penev <rosenp@gmail.com>
---
 src/image.cpp | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/src/image.cpp b/src/image.cpp
index 05d8345f9d..bc18d3c7c9 100644
--- a/src/image.cpp
+++ b/src/image.cpp
@@ -168,12 +168,20 @@ bool Image::isPrintICC(uint16_t type, Exiv2::PrintStructureOption option) {
 }
 
 bool Image::isBigEndianPlatform() {
+#if defined(__BYTE_ORDER)
+#if __BYTE_ORDER == __BIG_ENDIAN
+  return true;
+#else
+  return false;
+#endif
+#else
   union {
     uint32_t i;
     char c[4];
   } e = {0x01000000};
 
   return e.c[0] != 0;
+#endif
 }
 bool Image::isLittleEndianPlatform() {
   return !isBigEndianPlatform();