diff -up ClanLib-2.3.6/Sources/Core/System/detect_cpu_ext.cpp.non-x86 ClanLib-2.3.6/Sources/Core/System/detect_cpu_ext.cpp
--- ClanLib-2.3.6/Sources/Core/System/detect_cpu_ext.cpp.non-x86	2011-11-15 13:15:42.000000000 +0100
+++ ClanLib-2.3.6/Sources/Core/System/detect_cpu_ext.cpp	2013-01-08 13:33:20.000000000 +0100
@@ -30,7 +30,7 @@
 #include "Core/precomp.h"
 #include "API/Core/System/system.h"
 
-#ifdef CL_ARM_PLATFORM
+#if ! (defined(__i386__) || defined(__x86_64__) || defined(__amd64__))
 bool CL_System::detect_cpu_extension(CL_CPU_ExtensionPPC ext)
 {
 	throw ("Congratulations, you've just been selected to code this feature!");
@@ -48,11 +48,12 @@ bool CL_System::detect_cpu_extension(CL_
 #ifdef __GNUC__
 
 
-#ifdef __amd64__
+#if defined(__amd64__) || defined(__x86_64__)
 
 #define __cpuid(out, infoType)\
 	asm("cpuid": "=a" ((out)[0]), "=b" ((out)[1]), "=c" ((out)[2]), "=d" ((out)[3]): "a" (infoType));
-#else
+
+#elif defined(__i386__)
 
 #define __cpuid(out, infoType) \
 	asm volatile(	"pushl %%ebx \n" \
@@ -61,6 +62,10 @@ bool CL_System::detect_cpu_extension(CL_
 			"popl %%ebx" \
 		: "=a" ((out)[0]), "=r" ((out)[1]), "=c" ((out)[2]), "=d" ((out)[3]): "a" (infoType));
 
+#else
+
+#define __cpuid(out, infoType) {}
+
 #endif
 
 #endif