diff -up quake3-1.36/code/qcommon/q_platform.h.build quake3-1.36/code/qcommon/q_platform.h
--- quake3-1.36/code/qcommon/q_platform.h.build	2011-08-09 09:15:14.000000000 +0200
+++ quake3-1.36/code/qcommon/q_platform.h	2011-08-09 09:16:06.000000000 +0200
@@ -184,10 +184,10 @@ Foundation, Inc., 51 Franklin St, Fifth 
 #define ARCH_STRING "ppc64"
 #elif defined __powerpc__
 #define ARCH_STRING "ppc"
-#elif defined __s390__
-#define ARCH_STRING "s390"
 #elif defined __s390x__
 #define ARCH_STRING "s390x"
+#elif defined __s390__
+#define ARCH_STRING "s390"
 #elif defined __ia64__
 #define ARCH_STRING "ia64"
 #elif defined __alpha__
@@ -348,6 +348,9 @@ float FloatSwap (const float *f);
 #error "Endianness defined as both big and little"
 #elif defined( Q3_BIG_ENDIAN )
 
+void CopyShortSwap(void *dest, void *src);
+void CopyLongSwap(void *dest, void *src);
+
 #define CopyLittleShort(dest, src) CopyShortSwap(dest, src)
 #define CopyLittleLong(dest, src) CopyLongSwap(dest, src)
 #define LittleShort(x) ShortSwap(x)