--- configure~	2011-12-12 16:45:03.000000000 -0500
+++ configure	2012-01-10 18:19:32.292512490 -0500
@@ -893,9 +893,9 @@
 elif [ $ARCH = ARM ]; then
     # arm-gcc-4.2 produces incorrect output with -ffast-math
     # and it doesn't save any speed anyway on 4.4, so disable it
-    CFLAGS="-O3 -fno-fast-math $CFLAGS"
+    CFLAGS="-$CFLAGS O3 -fno-fast-math"
 else
-    CFLAGS="-O3 -ffast-math $CFLAGS"
+    CFLAGS="$CFLAGS -O3 -ffast-math"
 fi
 
 if cc_check '' -fno-tree-vectorize ; then