int netlink_init(void);
int router_init(void);
int dhcpv6_init(void);
-int dhcpv4_init(void);
int ndp_init(void);
+#ifdef DHCPV4_SUPPORT
+int dhcpv4_init(void);
+int dhcpv4_setup_interface(struct interface *iface, bool enable);
+#endif
int router_setup_interface(struct interface *iface, bool enable);
int dhcpv6_setup_interface(struct interface *iface, bool enable);
int ndp_setup_interface(struct interface *iface, bool enable);
-int dhcpv4_setup_interface(struct interface *iface, bool enable);
void odhcpd_reload(void);