diff --git a/meta/recipes-graphics/xorg-lib/libx11-1.4.4/makekeys_crosscompile.patch b/meta/recipes-graphics/xorg-lib/libx11-1.4.4/makekeys_crosscompile.patch
new file mode 100644
index 0000000..e5eacf0
--- /dev/null
+++ b/meta/recipes-graphics/xorg-lib/libx11-1.4.4/makekeys_crosscompile.patch
@@ -0,0 +1,45 @@
+Because the size of "unsigned long" is different between 32-bit
+and 64-bit, judge whether target is 32-bit or 64-bit and tell
+"makekey". 
+
+Upstream-Status: Pending
+
+Signed-off-by: dbuitenh@windriver.com
+
+--- libX11-1.3.4.orig/src/util/makekeys.c	2010-01-15 09:11:36.000000000 +0800
++++ libX11-1.3.4/src/util/makekeys.c	2011-05-24 19:04:25.454774908 +0800
+@@ -33,6 +33,7 @@
+ #include <X11/keysymdef.h>
+ #include <stdio.h>
+ #include <stdlib.h>
++#include <stdint.h>
+ 
+ typedef unsigned long Signature;
+ 
+@@ -124,7 +125,12 @@
+ 	    name = info[i].name;
+ 	    sig = 0;
+ 	    while ((c = *name++))
+-		sig = (sig << 1) + c;
++#ifdef USE32
++		sig = (uint32_t)(sig << 1) + c;
++#else
++		sig = (uint64_t)(sig << 1) + c;
++#endif
++		
+ 	    first = j = sig % z;
+ 	    for (k = 0; tab[j]; k++) {
+ 		j += first + 1;
+@@ -163,7 +169,11 @@
+ 	name = info[i].name;
+ 	sig = 0;
+ 	while ((c = *name++))
+-	    sig = (sig << 1) + c;
++#ifdef USE32
++	    sig = (uint32_t)(sig << 1) + c;
++#else
++	    sig = (uint64_t)(sig << 1) + c;
++#endif
+ 	first = j = sig % z;
+ 	while (offsets[j]) {
+ 	    j += first + 1;
