When built in a chroot, `configure' fails to resolve `localhost'.
Furthermore that test appears to be useless.

--- jnettop-0.13.0/configure.ac	2006-04-29 15:34:09.000000000 +0200
+++ jnettop-0.13.0/configure.ac	2008-12-03 15:11:28.000000000 +0100
@@ -63,7 +63,6 @@ AC_NETTOP_CHECK_IN6_ADDR
 
 LDFLAGS="$LDFLAGS $NSL_LIBS $SOCKET_LIBS"
 
-AC_NETTOP_CHECK_WORKING_RESOLVER
 AC_NETTOP_CHECK_GETHOSTBYADDR_R
 
 AM_PATH_GLIB_2_0(2.0.1,, AC_MSG_ERROR("glib >= 2.0.1 library required"), gthread)