diff --git a/qt-everywhere-opensource-src-4.6.2-sparc64-webkit-fix.patch b/qt-everywhere-opensource-src-4.6.2-sparc64-webkit-fix.patch
new file mode 100644
index 0000000..48ffa74
--- /dev/null
+++ b/qt-everywhere-opensource-src-4.6.2-sparc64-webkit-fix.patch
@@ -0,0 +1,15 @@
+diff -up qt-everywhere-opensource-src-4.6.2/src/3rdparty/webkit/JavaScriptCore/wtf/Platform.h.sparc qt-everywhere-opensource-src-4.6.2/src/3rdparty/webkit/JavaScriptCore/wtf/Platform.h
+--- qt-everywhere-opensource-src-4.6.2/src/3rdparty/webkit/JavaScriptCore/wtf/Platform.h.sparc	2010-03-23 10:39:06.138490870 -0400
++++ qt-everywhere-opensource-src-4.6.2/src/3rdparty/webkit/JavaScriptCore/wtf/Platform.h	2010-03-23 10:42:09.660492875 -0400
+@@ -729,7 +729,10 @@
+ #endif
+ 
+ #if !defined(WTF_USE_JSVALUE64) && !defined(WTF_USE_JSVALUE32) && !defined(WTF_USE_JSVALUE32_64)
+-#if (PLATFORM(X86_64) && (PLATFORM(UNIX) || PLATFORM(WIN_OS))) || PLATFORM(IA64) || PLATFORM(ALPHA)
++#if (PLATFORM(X86_64) && (PLATFORM(UNIX) || PLATFORM(WIN_OS))) \
++    || PLATFORM(IA64)  \
++    || PLATFORM(ALPHA) \
++    || PLATFORM(SPARC64)
+ #define WTF_USE_JSVALUE64 1
+ #elif PLATFORM(ARM) || PLATFORM(PPC64)
+ #define WTF_USE_JSVALUE32 1
diff --git a/qt.spec b/qt.spec
index da10fa5..db58456 100644
--- a/qt.spec
+++ b/qt.spec
@@ -13,7 +13,7 @@ Summary: Qt toolkit
 Name:    qt
 Epoch:   1
 Version: 4.6.2
-Release: 9%{?dist}
+Release: 10%{?dist}
 
 # See LGPL_EXCEPTIONS.txt, LICENSE.GPL3, respectively, for exception details
 License: LGPLv2 with exceptions or GPLv3 with exceptions
@@ -58,6 +58,8 @@ Patch53: qt-x11-opensource-src-4.5.0-fix-qatomic-inline-asm.patch
 Patch54: qt-x11-opensource-src-4.5.1-mysql_config.patch
 # http://bugs.kde.org/show_bug.cgi?id=180051#c22
 Patch55: qt-everywhere-opensource-src-4.6.2-cups.patch
+# fix webkit to build for sparc64
+Patch56: qt-everywhere-opensource-src-4.6.2-sparc64-webkit-fix.patch
 
 # security patches
 Patch100: qt-x11-opensource-src-4.5.3-cve-2010-0046-css-format-mem-corruption.patch
@@ -417,6 +419,7 @@ Qt libraries used for drawing widgets and OpenGL items.
 ## TODO: upstream me
 %patch54 -p1 -b .mysql_config
 %patch55 -p1 -b .cups-1
+%patch56 -p1 -b .sparc64
 
 # security fixes
 %patch100 -p1 -b .cve-2010-0046-css-format-mem-corruption
@@ -1033,6 +1036,9 @@ fi
 
 
 %changelog
+* Tue Mar 23 2010 Tom "spot" Callaway <tcallawa@redhat.com> - 4.6.2-10
+- fix sparc64 webkit bits
+
 * Mon Mar 22 2010 Than Ngo <than@redhat.com> - 4.6.2-9
 - backport patch to fix ix a crash when reparenting an item
   in QGraphicsView, QTBUG-6932