Index: configure
--- configure.orig
+++ configure
@@ -4410,7 +4410,7 @@ fi
 if test "$use_debug" = "yes"; then
 	CFLAGS="${CFLAGS} -g -DENABLE_DEBUG"
 else
-	CFLAGS="${CFLAGS} -O3"
+	CFLAGS="${CFLAGS}"
 fi
 
 # Choosing the target