--- a/configure.in	2005-02-04 11:24:55.000000000 +0100
+++ b/configure.in	2012-03-01 22:56:25.985725178 +0100
@@ -46,11 +46,9 @@
 			;;
 		*)
 			AC_MSG_RESULT(no)
-			CFLAGS="$CFLAGS -O2"
 			;;
 	esac],
-	[AC_MSG_RESULT(no)
-	CFLAGS="$CFLAGS -O2"]
+	[AC_MSG_RESULT(no)]
 )
 
 AC_MSG_CHECKING(whether to compile in profiling info)