diff -up qtdeclarative-opensource-src-5.2.0-rc1/src/qml/jsruntime/jsruntime.pri.fedora_i686_flags qtdeclarative-opensource-src-5.2.0-rc1/src/qml/jsruntime/jsruntime.pri
--- qtdeclarative-opensource-src-5.2.0-rc1/src/qml/jsruntime/jsruntime.pri.fedora_i686_flags	2013-11-26 19:02:16.000000000 -0600
+++ qtdeclarative-opensource-src-5.2.0-rc1/src/qml/jsruntime/jsruntime.pri	2013-12-10 10:27:16.082852640 -0600
@@ -92,9 +92,12 @@ HEADERS += \
 # Use SSE2 floating point math on 32 bit instead of the default
 # 387 to make test results pass on 32 and on 64 bit builds.
 linux-g++*:isEqual(QT_ARCH,i386) {
+CONFIG(NO_I386_JIT) {
+    DEFINES += NO_I386_JIT
+} else {
     QMAKE_CFLAGS += -march=pentium4 -msse2 -mfpmath=sse
     QMAKE_CXXFLAGS += -march=pentium4 -msse2 -mfpmath=sse
-}
+}}
 
 valgrind {
     DEFINES += V4_USE_VALGRIND
diff -up qtdeclarative-opensource-src-5.2.0-rc1/src/qml/jsruntime/qv4global_p.h.fedora_i686_flags qtdeclarative-opensource-src-5.2.0-rc1/src/qml/jsruntime/qv4global_p.h
--- qtdeclarative-opensource-src-5.2.0-rc1/src/qml/jsruntime/qv4global_p.h.fedora_i686_flags	2013-11-26 19:02:16.000000000 -0600
+++ qtdeclarative-opensource-src-5.2.0-rc1/src/qml/jsruntime/qv4global_p.h	2013-12-10 10:02:14.360839311 -0600
@@ -84,7 +84,7 @@ inline double trunc(double d) { return d
 
 // Black list some platforms
 #if defined(V4_ENABLE_JIT)
-#if defined(Q_OS_IOS) || defined(Q_OS_WIN64) || defined(Q_OS_WINRT)
+#if defined(Q_OS_IOS) || defined(Q_OS_WIN64) || defined(Q_OS_WINRT) || defined(NO_I386_JIT)
 #    undef V4_ENABLE_JIT
 #endif
 #endif