--- /usr/portage/sys-fabric/opensm/opensm-3.3.23-r1.ebuild	2021-03-01 20:09:18.000000000 +0300
+++ opensm-3.3.23-r1.ebuild	2021-03-08 01:26:49.645777981 +0300
@@ -3,14 +3,14 @@
 
 EAPI="7"
 
-inherit autotools eutils
+inherit autotools eutils systemd
 
 HOMEPAGE="https://github.com/linux-rdma/opensm/"
 DESCRIPTION="OpenSM - InfiniBand Subnet Manager and Administration for OpenIB"
 
 SRC_URI="https://github.com/linux-rdma/${PN}/archive/${PV}.tar.gz -> ${P}.tar.gz"
 KEYWORDS="~amd64 ~x86 ~amd64-linux"
-IUSE="tools"
+IUSE="tools systemd"
 SLOT="0"
 LICENSE="|| ( GPL-2 BSD-2 )"
 
@@ -19,9 +19,11 @@
 	 tools? (
 		net-misc/iputils
 		net-misc/openssh
-	)"
+	)
+	systemd? ( >=sys-apps/systemd-234 )"
 
-PATCHES=( "${FILESDIR}/${PN}-3.3.17-sldd.patch" )
+PATCHES=( "${FILESDIR}/${PN}-3.3.17-sldd.patch"
+	  "${FILESDIR}/${P}-norpm.patch" )
 
 src_prepare() {
 	default
@@ -39,6 +41,9 @@
 	default
 	newconfd "${FILESDIR}/opensm.conf.d" opensm
 	newinitd "${FILESDIR}/opensm.init.d.2" opensm
+	systemd_newunit "${FILESDIR}/opensm.service" opensm.service
+	dosbin "${FILESDIR}/opensm.launch"
+	fperms 755 /usr/sbin/opensm.launch
 	insinto /etc/logrotate.d
 	newins "${S}/scripts/opensm.logrotate" opensm
 	# we dont need this int script
@@ -48,11 +53,19 @@
 		dosbin scripts/sldd.sh
 		newconfd "${FILESDIR}/sldd.conf.d" sldd
 		newinitd "${FILESDIR}/sldd.init.d" sldd
+		systemd_newunit "${FILESDIR}/sldd.service" sldd.service
 	fi
+	
+	
+	# keepdir /var/empty/dev
 }
 
 pkg_postinst() {
 	einfo "To automatically configure the infiniband subnet manager on boot,"
 	einfo "edit /etc/opensm.conf and add opensm to your start-up scripts:"
-	einfo "\`rc-update add opensm default\`"
+	if use systemd; then
+		einfo "\`systemctl enable opensm.service\`"
+	else
+		einfo "\`rc-update add opensm default\`"
+	fi
 }