#
# Copyright (C) 2006-2015 OpenWrt.org
#
# This is free software, licensed under the GNU General Public License v2.
# See /LICENSE for more information.
#

include $(TOPDIR)/rules.mk

PKG_NAME:=dnsmasq
PKG_VERSION:=2.72
PKG_RELEASE:=3

PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz
PKG_SOURCE_URL:=http://thekelleys.org.uk/dnsmasq
PKG_MD5SUM:=cf82f81cf09ad3d47612985012240483

PKG_LICENSE:=GPLv2
PKG_LICENSE_FILES:=COPYING

PKG_BUILD_DIR:=$(BUILD_DIR)/$(PKG_NAME)-$(BUILD_VARIANT)/$(PKG_NAME)-$(PKG_VERSION)

PKG_INSTALL:=1
PKG_BUILD_PARALLEL:=1

PKG_CONFIG_DEPENDS := \
	CONFIG_DNSMASQ_LUASCRIPT \
	CONFIG_DNSMASQ_CONNTRACK \
	CONFIG_DNSMASV6_LUASCRIPT \
	CONFIG_DNSMASV6_CONNTRACK \

include $(INCLUDE_DIR)/package.mk

define Package/dnsmasq/Default
  SECTION:=net
  CATEGORY:=Base system
  TITLE:=A lightweight DNS and DHCP server
  URL:=http://www.thekelleys.org.uk/dnsmasq/
  MENU:=1
endef

define Package/dnsmasq
$(call Package/dnsmasq/Default)
  VARIANT:=nodhcpv6
  DEPENDS:=+DNSMASQ_CONNTRACK:libnetfilter-conntrack +DNSMASQ_LUASCRIPT:liblua +jshn
endef

define Package/dnsmasq-dhcpv6
$(call Package/dnsmasq/Default)
  TITLE += (with DHCPv6 support)
  DEPENDS:=@IPV6 +kmod-ipv6 +DNSMASQV6_CONNTRACK:libnetfilter-conntrack +DNSMASQV6_LUASCRIPT:liblua +jshn
  VARIANT:=dhcpv6
endef

define Package/dnsmasq/description
  It is intended to provide coupled DNS and DHCP service to a LAN.
endef

define Package/dnsmasq-dhcpv6/description
$(call Package/dnsmasq/description)

This is a variant with DHCPv6 support
endef

define Package/dnsmasq/config
  source "$(SOURCE)/Config.in"
endef

define Package/dnsmasq-dhcpv6/config
  source "$(SOURCE)/ConfigV6.in"
endef

define Package/dnsmasq/conffiles
/etc/config/dhcp
/etc/dnsmasq.conf
endef

Package/dnsmasq-dhcpv6/conffiles = $(Package/dnsmasq/conffiles)

TARGET_CFLAGS += \
	-ffunction-sections -fdata-sections \
	$(if $(CONFIG_IPV6),,-DNO_IPV6) -DNO_IPSET -DNO_AUTH

ifeq ($(BUILD_VARIANT),nodhcpv6)
  TARGET_CFLAGS += -DNO_DHCP6
endif

MAKE_FLAGS := \
	$(TARGET_CONFIGURE_OPTS) \
	CFLAGS="$(TARGET_CFLAGS)" \
	LDFLAGS="-Wl,--gc-sections" \
	PREFIX="/usr"

define Build/Configure
	#adapt the config.h according to the selected package config options
  ifneq ($(CONFIG_DNSMASQ_LUASCRIPT),)
	$(SED) 's,^/\* #define HAVE_LUASCRIPT.*,#define HAVE_LUASCRIPT,g' $(PKG_BUILD_DIR)/src/config.h
  else
	$(SED) 's,^#define HAVE_LUASCRIPT,/* & */,g' $(PKG_BUILD_DIR)/src/config.h
  endif
  ifneq ($(CONFIG_DNSMASQ_CONNTRACK),)
	$(SED) 's,^/\* #define HAVE_CONNTRACK.*,#define HAVE_CONNTRACK,g' $(PKG_BUILD_DIR)/src/config.h
  else
	$(SED) 's,^#define HAVE_CONNTRACK,/* & */,g' $(PKG_BUILD_DIR)/src/config.h
  endif
  ifneq ($(CONFIG_DNSMASQV6_LUASCRIPT),)
	$(SED) 's,^/\* #define HAVE_LUASCRIPT.*,#define HAVE_LUASCRIPT,g' $(PKG_BUILD_DIR)/src/config.h
  else
	$(SED) 's,^#define HAVE_LUASCRIPT,/* & */,g' $(PKG_BUILD_DIR)/src/config.h
  endif
  ifneq ($(CONFIG_DNSMASQV6_CONNTRACK),)
	$(SED) 's,^/\* #define HAVE_CONNTRACK.*,#define HAVE_CONNTRACK,g' $(PKG_BUILD_DIR)/src/config.h
  else
	$(SED) 's,^#define HAVE_CONNTRACK,/* & */,g' $(PKG_BUILD_DIR)/src/config.h
  endif
	$(call Build/Configure/Default)
endef


define Package/dnsmasq/install
	$(INSTALL_DIR) $(1)/usr/sbin
	$(CP) $(PKG_INSTALL_DIR)/usr/sbin/dnsmasq $(1)/usr/sbin/
	$(INSTALL_DIR) $(1)/etc/config
	$(INSTALL_DATA) ./files/dhcp.conf $(1)/etc/config/dhcp
	$(INSTALL_DATA) ./files/dnsmasq.conf $(1)/etc/dnsmasq.conf
	$(INSTALL_DIR) $(1)/etc/init.d
	$(INSTALL_BIN) ./files/dnsmasq.init $(1)/etc/init.d/dnsmasq
	$(INSTALL_DIR) $(1)/etc/hotplug.d/iface
	$(INSTALL_DATA) ./files/dnsmasq.hotplug $(1)/etc/hotplug.d/iface/25-dnsmasq
	$(INSTALL_DIR) $(1)/lib/dnsmasq
	$(INSTALL_BIN) ./files/dnsmasq.event $(1)/lib/dnsmasq/dhcp-event.sh
endef

Package/dnsmasq-dhcpv6/install = $(Package/dnsmasq/install)

$(eval $(call BuildPackage,dnsmasq))
$(eval $(call BuildPackage,dnsmasq-dhcpv6))
