From 0cc56791fa5f43a399adcea438d7254611573f2d Mon Sep 17 00:00:00 2001
From: Dennis Schridde <devurandom@gmx.net>
Date: Tue, 28 Nov 2017 21:53:51 +0100
Subject: [PATCH 1/6] Use endian.h to determine endianness

glibc and others have an endian.h header that contains a __BYTE_ORDER macro,
 which can be used to determine endianness.  The header might also be called
 sys/endian.h on some systems.
---
 vpflib/include/machine.h | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/vpflib/include/machine.h b/vpflib/include/machine.h
index 808522d..cee8774 100644
--- a/vpflib/include/machine.h
+++ b/vpflib/include/machine.h
@@ -15,10 +15,11 @@ typedef struct
     long            output;
 } xBYTE_ORDER;
 
-#if SYS_BIG_ENDIAN == 1
-#define MACHINE_BYTE_ORDER MOST_SIGNIFICANT
-#else
+#include <endian.h>
+#if __BYTE_ORDER == __LITTLE_ENDIAN
 #define MACHINE_BYTE_ORDER LEAST_SIGNIFICANT
+#elif __BYTE_ORDER == __BIG_ENDIAN
+#define MACHINE_BYTE_ORDER MOST_SIGNIFICANT
 #endif
 
 #ifdef _WINDOWS
-- 
2.15.0