net-dialup/openl2tp: configure openl2tpd correctly

- Pass configuration data properly to the emake.
- Update to EAPI 7.

Thanks Jako Kroon [jaco uls.co.za] for noticing the problem.

Closes: https://bugs.gentoo.org/664266
Signed-off-by: Andrew Savchenko <bircoph@gentoo.org>
Package-Manager: Portage-2.3.48, Repoman-2.3.10

net-dialup/openl2tp/openl2tp-1.8-r1.ebuild

@@ -0,0 +1,126 @@
+# Copyright 1999-2018 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=7
+
+inherit linux-info
+
+DESCRIPTION="Userspace tools for kernel L2TP implementation"
+HOMEPAGE="http://www.openl2tp.org/"
+SRC_URI="mirror://sourceforge/openl2tp/${P}.tar.gz"
+
+LICENSE="GPL-2"
+SLOT="0"
+KEYWORDS="~amd64 ~x86"
+IUSE="+client debug dmalloc doc +examples rpc server stats"
+
+REQUIRED_USE="|| ( client server )"
+
+BDEPEND="
+	>=net-libs/rpcsvc-proto-1.3.1-r1
+	sys-devel/bison
+	sys-devel/flex
+"
+DEPEND="
+	>=net-dialup/ppp-2.4.5
+	>=net-libs/libtirpc-1.0.3
+	sys-libs/readline:=
+	dmalloc? ( dev-libs/dmalloc )
+"
+RDEPEND="${DEPEND}
+	rpc? ( net-nds/rpcbind )
+"
+
+CONFIG_CHECK="~PPPOL2TP"
+
+PATCHES=(
+	"${FILESDIR}/${P}-werror.patch"
+	"${FILESDIR}/${P}-ldflags.patch"
+	"${FILESDIR}/${P}-pppd-2.patch"
+	"${FILESDIR}/${P}-man.patch"
+	"${FILESDIR}/${P}-l2tpconfig.patch"
+	"${FILESDIR}/${P}-parallelbuild.patch"
+	"${FILESDIR}/${P}-optionsfile.patch"
+	"${FILESDIR}/${P}-clientip_as_ipparam.patch"
+	"${FILESDIR}/${P}-setkey.patch"
+	"${FILESDIR}/${P}-unused-var.patch"
+	"${FILESDIR}/${P}-configure-Makefile.patch"
+	"${FILESDIR}/${P}-cflags.patch"
+	"${FILESDIR}/${P}-tirpc.patch"
+)
+
+src_prepare() {
+	default
+	sed -i 's/CFLAGS.optimize/CFLAGS_optimize/g' Makefile */Makefile || die "Makefile sed failed"
+}
+
+src_configure() {
+	myconf=
+
+	use client	|| myconf+=" L2TP_FEATURE_LAC_SUPPORT=n
+							 L2TP_FEATURE_LAIC_SUPPORT=n
+							 L2TP_FEATURE_LAOC_SUPPORT=n "
+
+	use server	|| myconf+=" L2TP_FEATURE_LNS_SUPPORT=n
+							 L2TP_FEATURE_LNIC_SUPPORT=n
+							 L2TP_FEATURE_LNOC_SUPPORT=n "
+
+	use rpc		|| myconf+=" L2TP_FEATURE_RPC_MANAGEMENT=n "
+
+	use stats	&& myconf+=" L2TP_FEATURE_LOCAL_STAT_FILE=y "
+	use debug	&& myconf+=" L2TP_DEBUG=y "
+	use dmalloc	&& myconf+=" USE_DMALLOC=y "
+
+	echo ${myconf} > "${T}/myconf"
+}
+
+src_compile() {
+	emake $(cat "${T}/myconf")
+}
+
+src_install() {
+	emake $(cat "${T}/myconf") DESTDIR="${D}" install
+
+	if use examples; then
+		docinto event_socket
+		dodoc doc/{event_sock_example.c,README.event_sock}
+		docinto
+		dodoc -r "${FILESDIR}"/examples
+	fi
+
+	if use doc; then
+		dodoc doc/*.txt
+		newdoc plugins/README README.plugins
+		dodoc -r ipsec
+	fi
+
+	newinitd "${FILESDIR}"/openl2tpd.initd openl2tpd
+	# init.d script is quite different for RPC and non-RPC versions.
+	use rpc || sed -i s/userpc=\"yes\"/userpc=\"no\"/ "${D}/etc/init.d/openl2tpd" || die "sed failed"
+	newconfd "${FILESDIR}"/openl2tpd.confd openl2tpd
+}
+
+pkg_postinst() {
+	if use rpc; then
+		ewarn
+		ewarn "RPC control does not provide any auth checks for control connection."
+		ewarn "Unless you need this you should disable it, for reference:"
+		ewarn "http://forums.openl2tp.org/viewtopic.php?f=4&t=41"
+		ewarn
+		ewarn "Therefore DO NOT USE RPC IN INSECURE ENVIRONMENTS!"
+	else
+		ewarn
+		ewarn "Without RPC support you won't be able to use l2tpconfig."
+		ewarn "Please read http://forums.openl2tp.org/viewtopic.php?f=4&t=41"
+		ewarn "for more information about the security risk before enabling."
+		ewarn
+		ewarn "If you are using numerical strings (e.g. login name containing only"
+		ewarn "digits) or special characters in password, please use double quotes"
+		ewarn "to enclose them."
+	fi
+	if use stats; then
+		ewarn
+		ewarn "To enable status files openl2tpd must be started with -S option."
+		ewarn "Upstream warns about runtime overhead with status files enabled."
+	fi
+}