openwrt package Makefile

# ppp目录 package/network/services/ppp/Makefile

# 定义子菜单项 pppipv6
define Package/pppipv6
# 对应父菜单
$(call Package/ppp/Default)
  DEPENDS:=@(PACKAGE_ppp||PACKAGE_ppp-multilink)
  TITLE:=with IPv6
endef

# 定义描述
define Package/pppipv6/description
This package is compiled with IPv4 and IPv6 script support.
endef

# 定义安装文件
define Package/pppipv6/install                                  
    $(INSTALL_BIN) ./files/ppp6.sh $(1)/lib/netifd/proto/ppp.sh
    $(INSTALL_BIN) ./files/lib/netifd/ppp6-up $(1)/lib/netifd/
endef

# 执行调用
$(eval $(call BuildPackage,pppipv6))


# 判断IPV6选择, 就执行
ifdef CONFIG_IPV6
    $(INSTALL_BIN) ./files/ppp6.sh $(1)/lib/netifd/proto/ppp.sh
    $(INSTALL_BIN) ./files/lib/netifd/ppp6-up $(1)/lib/netifd/
endif