--- iputils-s20121112/Makefile.orig	2012-11-13 12:35:00.000000000 +0100
+++ iputils-s20121112/Makefile	2012-11-13 12:35:40.515729240 +0100
@@ -18,7 +18,7 @@ USE_CAP=yes
 # sysfs support (with libsysfs - deprecated)
 USE_SYSFS=no
 # IDN support (experimental
-USE_IDN=no
+USE_IDN=yes
 
 # -------------------------------------
 # What a pity, all new gccs are buggy and -Werror does not work. Sigh.