#include <linux/random.h>
]])
-AC_CHECK_TYPES([char16_t, char32_t, key_serial_t, struct ethtool_link_settings],
+AC_CHECK_TYPES([char16_t, char32_t, key_serial_t],
[], [], [[
#include <uchar.h>
-#include <linux/ethtool.h>
]])
AC_CHECK_DECLS([IFLA_INET6_ADDR_GEN_MODE,