iptables: convert old-style hook to new-style hook

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

package/iptables/iptables.mk

@@ -16,24 +16,34 @@ endif
 IPTABLES_AUTORECONF = YES
 IPTABLES_LIBTOOL_PATCH = NO
 
-$(eval $(call AUTOTARGETS,package,iptables))
-
-$(IPTABLES_HOOK_POST_INSTALL): $(IPTABLES_TARGET_INSTALL_TARGET)
+define IPTABLES_TARGET_SYMLINK_CREATE
 	ln -sf iptables-multi $(TARGET_DIR)/usr/sbin/iptables
 	ln -sf iptables-multi $(TARGET_DIR)/usr/sbin/iptables-save
 	ln -sf iptables-multi $(TARGET_DIR)/usr/sbin/iptables-restore
-ifeq ($(BR2_INET_IPV6),y)
+endef
+
+define IPTABLES_TARGET_IPV6_SYMLINK_CREATE
 	ln -sf ip6tables-multi $(TARGET_DIR)/usr/sbin/ip6tables
 	ln -sf ip6tables-multi $(TARGET_DIR)/usr/sbin/ip6tables-save
 	ln -sf ip6tables-multi $(TARGET_DIR)/usr/sbin/ip6tables-restore
-else
+endef
+
+define IPTABLES_TARGET_IPV6_REMOVE
 	rm -f $(TARGET_DIR)/usr/lib/libip6tc.*
+endef
+
+IPTABLES_POST_INSTALL_TARGET_HOOKS += IPTABLES_TARGET_SYMLINK_CREATE
+
+ifeq ($(BR2_INET_IPV6),y)
+IPTABLES_POST_INSTALL_TARGET_HOOKS += IPTABLES_TARGET_IPV6_SYMLINK_CREATE
+else
+IPTABLES_POST_INSTALL_TARGET_HOOKS += IPTABLES_TARGET_IPV6_REMOVE
 endif
-	touch $@
 
-$(IPTABLES_TARGET_UNINSTALL):
-	$(call MESSAGE,"Uninstalling")
+define IPTABLES_UNINSTALL_TARGET_CMDS
 	rm -f $(TARGET_DIR)/usr/bin/iptables-xml
 	rm -f $(TARGET_DIR)/usr/sbin/iptables* $(TARGET_DIR)/usr/sbin/ip6tables*
 	rm -rf $(TARGET_DIR)/usr/lib/xtables
-	rm -f $(IPTABLES_TARGET_INSTALL_TARGET) $(IPTABLES_HOOK_POST_INSTALL)
+endef
+
+$(eval $(call AUTOTARGETS,package,iptables))