--- configure.orig	2012-09-18 21:50:01.000000000 +0200
+++ configure	2012-09-18 21:50:14.000000000 +0200
@@ -5030,7 +5030,7 @@
 done
 
 
-CFLAGS="$CFLAGS -fno-strict-aliasing -Wreturn-type -Wno-unused-result -Wno-packed-bitfield-compat"
+CFLAGS="$CFLAGS -fno-strict-aliasing -Wreturn-type"
 
 case `pwd` in
   *\ * | *\	*)