--- configure.orig	2008-08-21 22:57:21.000000000 +0000
+++ configure	2014-06-18 15:27:53.728960364 +0000
@@ -19337,7 +19337,7 @@
 
 
 
-CXXFLAGS="-O3 -funroll-loops -fstrength-reduce -fschedule-insns2 -felide-constructors -frerun-loop-opt -fexceptions -fno-strict-aliasing -fexpensive-optimizations -ffast-math -pipe"
+CXXFLAGS="-O3 -funroll-loops -fstrength-reduce -felide-constructors -fexceptions -fno-strict-aliasing -fexpensive-optimizations -ffast-math -pipe"