--- rxvt-unicode/configure.ac	2011/12/14 13:34:20	1.133
+++ rxvt-unicode/configure.ac	2011/12/14 18:46:45	1.134
@@ -191,7 +191,7 @@
 if test x$GXX = xyes; then
   if test $support_warnings = yes; then
     save_CXXFLAGS="$CXXFLAGS"
-    CXXFLAGS="$CXXFLAGS -Wall -Wno-sign-compare -Wno-reorder -Wno-non-virtual-dtor"
+    CXXFLAGS="$CXXFLAGS -Wall -Wno-sign-compare -Wno-reorder -Wno-unused-value"
     AC_COMPILE_IFELSE([AC_LANG_PROGRAM([],[])], [], [CXXFLAGS="$save_CXXFLAGS"])
   else
     CXXFLAGS="$CXXFLAGS -w"