--- nvidia-texture-tools/src/nvcore/poshlib/posh.h.orig	2014-07-28 14:39:34.944968317 +0100
+++ nvidia-texture-tools/src/nvcore/poshlib/posh.h	2014-07-28 14:40:24.222814437 +0100
@@ -475,6 +475,17 @@
 #  define POSH_CPU_STRING "ARM"
 #endif
 
+/* ------------------------------------------------------------------
+** AArch64
+** ------------------------------------------------------------------
+*/
+#if defined __aarch64__ || defined __arm64__ || defined FORCE_DOXYGEN
+#  define POSH_CPU_AARCH64 /**<if defined, target CPU is AArch64 */
+#  if !defined FORCE_DOXYGEN
+#     define POSH_CPU_STRING "AArch64"
+#  endif
+#endif
+
 #if defined mips || defined __mips__ || defined __MIPS__ || defined _MIPS
 #  define POSH_CPU_MIPS 1 
 #  if defined _R5900
@@ -648,7 +659,7 @@
 ** the MIPS series, so we have to be careful about those.
 ** ----------------------------------------------------------------------------
 */
-#if defined POSH_CPU_X86 || defined POSH_CPU_AXP || defined POSH_CPU_STRONGARM || defined POSH_OS_WIN32 || defined POSH_OS_WINCE || defined __MIPSEL__
+#if defined POSH_CPU_X86 || defined POSH_CPU_AXP || defined POSH_CPU_STRONGARM || defined POSH_OS_WIN32 || defined POSH_OS_WINCE || defined __MIPSEL__ || defined POSH_CPU_AARCH64
 #  define POSH_ENDIAN_STRING "little"
 #  define POSH_LITTLE_ENDIAN 1
 #else
--- nvidia-texture-tools/src/nvcore/nvcore.h.orig	2014-07-28 14:41:03.271484417 +0100
+++ nvidia-texture-tools/src/nvcore/nvcore.h	2014-07-28 14:41:33.280999015 +0100
@@ -72,6 +72,8 @@
 #	define NV_CPU_PPC 1
 #elif defined POSH_CPU_STRONGARM
 #	define NV_CPU_STRONGARM 1
+#elif defined POSH_CPU_AARCH64
+#	define NV_CPU_AARCH64 1
 #else
 #	error "Unsupported CPU"
 #endif