--- configure.orig	2010-07-22 17:51:17 UTC
+++ configure
@@ -3075,7 +3075,7 @@ fi
 
 
 # Checks for programs.
-CXXFLAGS="$CXXFLAGS -O3 -Wall -pedantic -Wno-long-long"
+CXXFLAGS="$CXXFLAGS -Wall -pedantic -Wno-long-long"
 ac_ext=cpp
 ac_cpp='$CXXCPP $CPPFLAGS'
 ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'