# Copyright 1999-2014 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: /var/cvsroot/gentoo-x86/net-dns/dnsmasq/dnsmasq-2.71.ebuild,v 1.3 2014/11/02 08:48:02 swift Exp $

EAPI=5

inherit eutils toolchain-funcs flag-o-matic user systemd

DESCRIPTION="Small forwarding DNS server"
HOMEPAGE="http://www.thekelleys.org.uk/dnsmasq/"
SRC_URI="http://www.thekelleys.org.uk/dnsmasq/${P}.tar.xz"

LICENSE="|| ( GPL-2 GPL-3 )"
SLOT="0"
KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~ia64 ~mips ~ppc ~ppc64 ~s390 ~sh ~sparc ~x86 ~sparc-fbsd ~x86-fbsd"
IUSE="auth-dns conntrack dbus +dhcp dhcp-tools dnssec idn ipv6 lua nls script selinux static tftp"
DM_LINGUAS="de es fi fr id it no pl pt_BR ro"
for dm_lingua in ${DM_LINGUAS}; do
	IUSE+=" linguas_${dm_lingua}"
done

CDEPEND="dbus? ( sys-apps/dbus )
		idn? ( net-dns/libidn )
		lua? ( dev-lang/lua )
		conntrack? ( !s390? ( net-libs/libnetfilter_conntrack ) )
		nls? (
			sys-devel/gettext
			net-dns/libidn
		)"

DEPEND="${CDEPEND}
		app-arch/xz-utils
		dnssec? (
			dev-libs/nettle[gmp]
			static? (
				dev-libs/nettle[static-libs(+)]
			)
		)
		virtual/pkgconfig"

RDEPEND="${CDEPEND}
		dnssec? (
			!static? (
				dev-libs/nettle[gmp]
			)
		)
		selinux? ( sec-policy/selinux-dnsmasq )
"

REQUIRED_USE="dhcp-tools? ( dhcp )
			  lua? ( script )
			  s390? ( !conntrack )"

use_have() {
	local NO_ONLY=""
	if [ $1 == '-n' ]; then
		NO_ONLY=1
		shift
	fi

	local UWORD=${2:-$1}
	UWORD=${UWORD^^*}

	if ! use ${1}; then
		echo " -DNO_${UWORD}"
	elif [ -z "${NO_ONLY}" ]; then
		echo " -DHAVE_${UWORD}"
	fi
}

pkg_pretend() {
	if use static; then
		einfo "Only sys-libs/gmp and dev-libs/nettle are statically linked."
		use dnssec || einfo "Thus, ${P}[!dnssec,static] makes no sense; the static USE flag is ignored."
	fi
}

pkg_setup() {
	enewgroup dnsmasq
	enewuser dnsmasq -1 -1 /dev/null dnsmasq
}

src_prepare() {
	sed -i -r 's:lua5.[0-9]+:lua:' Makefile
	sed -i "s:%%PREFIX%%:${EPREFIX}/usr:" dnsmasq.conf.example
}

src_configure() {
	COPTS="$(use_have -n auth-dns auth)"
	COPTS+="$(use_have conntrack)"
	COPTS+="$(use_have dbus)"
	COPTS+="$(use_have -n dhcp)"
	COPTS+="$(use_have idn)"
	COPTS+="$(use_have -n ipv6)"
	COPTS+="$(use_have lua luascript)"
	COPTS+="$(use_have -n script)"
	COPTS+="$(use_have -n tftp)"
	COPTS+="$(use ipv6 && use dhcp || echo " -DNO_DHCP6")"
	COPTS+="$(use_have dnssec)"
	COPTS+="$(use_have static dnssec_static)"
}

src_compile() {
	emake \
		PREFIX=/usr \
		CC="$(tc-getCC)" \
		CFLAGS="${CFLAGS}" \
		LDFLAGS="${LDFLAGS}" \
		COPTS="${COPTS}" \
		CONFFILE="/etc/${PN}.conf" \
		all$(use nls && echo "-i18n")

	use dhcp-tools && emake -C contrib/wrt \
		PREFIX=/usr \
		CC="$(tc-getCC)" \
		CFLAGS="${CFLAGS}" \
		LDFLAGS="${LDFLAGS}" \
		all
}

src_install() {
	emake \
		PREFIX=/usr \
		MANDIR=/usr/share/man \
		DESTDIR="${D}" \
		install$(use nls && echo "-i18n")

	local lingua
	for lingua in ${DM_LINGUAS}; do
		use linguas_${lingua} || rm -rf "${D}"/usr/share/locale/${lingua}
	done
	[[ -d "${D}"/usr/share/locale/ ]] && rmdir --ignore-fail-on-non-empty "${D}"/usr/share/locale/

	dodoc CHANGELOG CHANGELOG.archive FAQ
	dodoc -r logo

	dodoc CHANGELOG FAQ
	dohtml *.html

	newinitd "${FILESDIR}"/dnsmasq-init-r2 dnsmasq
	newconfd "${FILESDIR}"/dnsmasq.confd-r1 dnsmasq

	insinto /etc
	newins dnsmasq.conf.example dnsmasq.conf

	insinto /usr/share/dnsmasq
	doins trust-anchors.conf

	if use dbus; then
		insinto /etc/dbus-1/system.d
		doins dbus/dnsmasq.conf
	fi

	if use dhcp-tools; then
		dosbin contrib/wrt/{dhcp_release,dhcp_lease_time}
		doman contrib/wrt/{dhcp_release,dhcp_lease_time}.1
	fi

	systemd_newunit "${FILESDIR}"/${PN}.service-r1 ${PN}.service
}