Check endianness of build with autotools to enable md5 support on more platforms.

configure.ac

@@ -109,6 +109,8 @@ fi
 
 AC_C_INLINE
 
+AC_C_BIGENDIAN
+
 AC_CHECK_LIB(pthread, pthread_create, ,
         AC_MSG_ERROR([Could not find pthread library - please install libpthread]))
 AC_CHECK_LIB(m, sqrt, ,

lrzip_private.h

@@ -1,5 +1,5 @@
 /*
-   Copyright (C) 2006-2011 Con Kolivas
+   Copyright (C) 2006-2012 Con Kolivas
    Copyright (C) 2011 Peter Hyman
    Copyright (C) 1998-2003 Andrew Tridgell
 
@@ -60,6 +60,19 @@ extern "C"
 void *alloca (size_t);
 #endif
 
+#ifdef HAVE_ENDIAN_H
+# include <endian.h>
+#elif HAVE_SYS_ENDIAN_H
+# include <sys/endian.h>
+#endif
+#ifndef __BYTE_ORDER
+# ifdef WORDS_BIGENDIAN
+#  define __BYTE_ORDER __BIG_ENDIAN
+# else
+#  define __BYTE_ORDER __LITTLE_ENDIAN
+# endif
+#endif
+
 #ifndef MD5_DIGEST_SIZE
 # define MD5_DIGEST_SIZE 16
 #endif

md5.c

@@ -1,5 +1,5 @@
 /*
-   Copyright (C) 2011 Con Kolivas
+   Copyright (C) 2012 Con Kolivas
    Copyright (C) 1995-2011 Ulrich Drepper.
 
    Functions to compute MD5 message digest of files or memory blocks.
@@ -30,6 +30,7 @@
 
 #include <stddef.h>
 
+#include "lrzip_private.h"
 #include "md5.h"
 
 #if USE_UNLOCKED_IO