Index: fdupes-1.40/md5/md5.c
===================================================================
--- fdupes-1.40.orig/md5/md5.c	2010-02-15 15:36:58.000000000 +0100
+++ fdupes-1.40/md5/md5.c	2010-02-15 16:01:34.350140290 +0100
@@ -41,6 +41,15 @@
 #include "md5.h"
 #include <string.h>
 
+/* endianness check using glibc endian.h */
+#include <endian.h>
+
+#if __BYTE_ORDER == __BIG_ENDIAN
+# define ARCH_IS_BIG_ENDIAN 1
+#elif __BYTE_ORDER == __LITTLE_ENDIAN
+# define ARCH_IS_BIG_ENDIAN 0
+#endif
+
 #ifdef TEST
 /*
  * Compile with -DTEST to create a self-contained executable test program.