strongswam: disable systemd support in meta-oe and reenable it in meta-systemd

* fixes:
strongswan-5.0.0: strongswan: Files/directories were installed but not shipped
  /lib
  /lib/systemd
  /lib/systemd/system
  /lib/systemd/system/strongswan.service

Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>

meta-oe/recipes-support/strongswan/strongswan_5.0.0.bb

@@ -5,7 +5,7 @@ SECTION = "console/network"
 LICENSE = "GPLv2"
 LIC_FILES_CHKSUM = "file://COPYING;md5=b234ee4d69f5fce4486a80fdaf4a4263"
 DEPENDS = "gmp openssl flex-native flex bison-native"
-PR = "r1"
+PR = "r2"
 
 SRC_URI = "http://download.strongswan.org/strongswan-${PV}.tar.bz2"
 SRC_URI[md5sum] = "c8b861305def7c0abae04f7bbefec212"
@@ -15,6 +15,10 @@ EXTRA_OECONF = "--disable-curl --disable-soup --disable-ldap \
 		--enable-gmp --disable-mysql --disable-sqlite \
 		--enable-openssl"
 
+SYSTEMD_UNITDIR ??= "no"
+
+EXTRA_OECONF += "--with-systemdsystemunitdir=${SYSTEMD_UNITDIR}"
+
 inherit autotools
 
 RRECOMMENDS_${PN} = "kernel-module-ipsec"

meta-systemd/meta-oe/recipes-support/strongswan/strongswan_5.0.0.bbappend

@@ -0,0 +1,8 @@
+inherit systemd
+
+PRINC := "${@int(PRINC) + 1}"
+
+SYSTEMD_UNITDIR = "${systemd_unitdir}/system"
+
+SYSTEMD_PACKAGES = "${PN}-systemd"
+SYSTEMD_SERVICE = "${PN}.service"