syslog-ng: add volatile directory init for systemd

systemd requires volatile file/directory specifications to
be in a tmpfiles.d directory.  We put ours in /etc/tmpfiles.d.

Also eliminate SRC_URI duplication in .bb and .inc files.

Signed-off-by: Joe Slater <joe.slater@windriver.com>
Signed-off-by: Khem Raj <raj.khem@gmail.com>

meta-oe/recipes-support/syslog-ng/files/syslog-ng-tmp.conf

@@ -0,0 +1 @@
+d /var/run/syslog-ng 0755 root root

meta-oe/recipes-support/syslog-ng/syslog-ng.inc

@@ -15,6 +15,8 @@ LIC_FILES_CHKSUM = "file://COPYING;md5=24c0c5cb2c83d9f2ab725481e4df5240"
 # util-linux added to get libuuid
 DEPENDS = "libpcre flex glib-2.0 openssl util-linux"
 
+# We expect the recipe to add anything specific for that version to these defaults.
+#
 SRC_URI = "https://github.com/balabit/syslog-ng/releases/download/${BP}/${BP}.tar.gz \
            file://syslog-ng.conf.systemd \
            file://syslog-ng.conf.sysvinit \
@@ -74,8 +76,12 @@ do_install_append() {
     install -d ${D}/${sysconfdir}/${BPN}
     install -d ${D}/${sysconfdir}/init.d
     install -m 755 ${WORKDIR}/initscript ${D}/${sysconfdir}/init.d/syslog
+
     install -d ${D}/${sysconfdir}/default/volatiles/
     install -m 755 ${WORKDIR}/volatiles.03_syslog-ng ${D}/${sysconfdir}/default/volatiles/03_syslog-ng
+    install -d ${D}/${sysconfdir}/tmpfiles.d/
+    install -m 755 ${WORKDIR}/syslog-ng-tmp.conf ${D}/${sysconfdir}/tmpfiles.d/syslog-ng.conf
+
     install -d ${D}/${localstatedir}/lib/${BPN}
     # Remove /var/run as it is created on startup
     rm -rf ${D}${localstatedir}/run

meta-oe/recipes-support/syslog-ng/syslog-ng_3.19.1.bb

@@ -1,15 +1,13 @@
 require syslog-ng.inc
 
-SRC_URI = "https://github.com/balabit/syslog-ng/releases/download/${BP}/${BP}.tar.gz \
-           file://syslog-ng.conf.systemd \
-           file://syslog-ng.conf.sysvinit \
-           file://initscript \
-           file://volatiles.03_syslog-ng \
-           file://configure.ac-add-option-enable-thread-tls-to-manage-.patch \
+# We only want to add stuff we need to the defaults provided in syslog-ng.inc.
+#
+SRC_URI += " \
            file://fix-config-libnet.patch \
            file://fix-invalid-ownership.patch \
            file://syslog-ng.service-the-syslog-ng-service.patch \
            file://0001-syslog-ng-fix-segment-fault-during-service-start.patch \
+           file://syslog-ng-tmp.conf \
            "
 
 SRC_URI[md5sum] = "aa79bc13d9fd925aa5fb9516e87aacd3"