--- cryptopp-5.6.1/config.h	2009-09-04 13:37:59.000000000 +0300
+++ cryptopp-5.6.1/config.h	2009-11-26 03:47:15.000000000 +0200
@@ -4,7 +4,7 @@
 // ***************** Important Settings ********************
 
 // define this if running on a big-endian CPU
-#if !defined(IS_LITTLE_ENDIAN) && (defined(__BIG_ENDIAN__) || defined(__sparc) || defined(__sparc__) || defined(__hppa__) || defined(__MIPSEB__) || defined(__ARMEB__) || (defined(__MWERKS__) && !defined(__INTEL__)))
+#if !defined(IS_LITTLE_ENDIAN) && (defined(__BIG_ENDIAN__) || defined(__sparc) || defined(__sparc__) || defined(__hppa__) || defined(__MIPSEB__) || defined(__s390__) || defined(__ARMEB__) || (defined(__MWERKS__) && !defined(__INTEL__)))
 #	define IS_BIG_ENDIAN
 #endif
 
@@ -127,7 +127,7 @@
 	typedef word64 word;
 #else
 	#define CRYPTOPP_NATIVE_DWORD_AVAILABLE
-	#if defined(__alpha__) || defined(__ia64__) || defined(_ARCH_PPC64) || defined(__x86_64__) || defined(__mips64) || defined(__sparc64__)
+	#if defined(__alpha__) || defined(__ia64__) || defined(_ARCH_PPC64) || defined(__x86_64__) || defined(__mips64) || defined(__sparc64__) || defined(__s390x__)
 		#if defined(__GNUC__) && !defined(__INTEL_COMPILER) && !(CRYPTOPP_GCC_VERSION == 40001 && defined(__APPLE__)) && CRYPTOPP_GCC_VERSION >= 30400
 			// GCC 4.0.1 on MacOS X is missing __umodti3 and __udivti3
 			// mode(TI) division broken on amd64 with GCC earlier than GCC 3.4