openssh: added systemd build option.

srcpkgs/openssh/template

@@ -3,7 +3,7 @@ _desc="The OpenSSH implementation of SSH protocol"
 
 pkgname=openssh
 version=6.6p1
-revision=8
+revision=9
 build_style=gnu-configure
 configure_args="--without-tcp-wrappers --datadir=/usr/share/openssh
  --sysconfdir=/etc/ssh --without-selinux --with-privsep-user=nobody
@@ -22,7 +22,7 @@ distfiles="ftp://ftp.openbsd.org/pub/OpenBSD/OpenSSH/portable/$pkgname-$version.
 checksum=48c1f0664b4534875038004cc4f3555b8329c2a81c1df48db5c517800de203bb
 
 # Package build options
-build_options="openssh_identitypersist"
+build_options="systemd openssh_identitypersist"
 desc_option_openssh_identitypersist="add key to ssh-agent(1) upon connecting"
 
 pre_configure() {
@@ -67,8 +67,10 @@ openssh-server_package() {
 			vmove usr/share/man/man8/${f}.8
 		done
 		vmove etc/pam.d
-		vmkdir usr/lib/systemd/system
-		install -m644 ${FILESDIR}/*.{socket,service} \
-			${PKGDESTDIR}/usr/lib/systemd/system
+		if [ "$build_option_systemd" ]; then
+			vmkdir usr/lib/systemd/system
+			install -m644 ${FILESDIR}/*.{socket,service} \
+				${PKGDESTDIR}/usr/lib/systemd/system
+		fi
 	}
 }