build: Add support for systemd service configuration

.gitignore

@@ -93,3 +93,4 @@ doc/version.xml
 doc/xml
 doc/html
 src/bluetoothd.8
+src/bluetooth.service

Makefile.am

@@ -35,6 +35,12 @@ conf_DATA =
 statedir = $(localstatedir)/lib/bluetooth
 
 state_DATA =
+
+if SYSTEMD
+systemdunitdir = @SYSTEMD_UNITDIR@
+
+systemdunit_DATA = src/bluetooth.service
+endif
 endif
 
 plugindir = $(libdir)/bluetooth/plugins

configure.ac

@@ -61,5 +61,14 @@ if (test "${enable_capng}" = "yes"); then
 	AC_DEFINE(HAVE_CAPNG, 1, [Define to 1 if you have capabilities library.])
 fi
 
+AC_ARG_WITH([systemdunitdir], AC_HELP_STRING([--with-systemdunitdir=DIR],
+	[path to systemd system service directory]), [path_systemdunit=${withval}],
+		[path_systemdunit="`$PKG_CONFIG --variable=systemdsystemunitdir systemd`"])
+if (test -n "${path_systemdunit}"); then
+	SYSTEMD_UNITDIR="${path_systemdunit}"
+	AC_SUBST(SYSTEMD_UNITDIR)
+fi
+AM_CONDITIONAL(SYSTEMD, test -n "${path_systemdunit}")
+
 AC_OUTPUT(Makefile scripts/bluetooth.rules doc/version.xml
-					src/bluetoothd.8 bluez.pc)
+			src/bluetoothd.8 src/bluetooth.service bluez.pc)

src/bluetooth.service.in

@@ -0,0 +1,12 @@
+[Unit]
+Description=Bluetooth service
+After=syslog.target
+
+[Service]
+Type=dbus
+BusName=org.bluez
+ExecStart=@prefix@/sbin/bluetoothd -n
+StandardOutput=syslog
+
+[Install]
+WantedBy=bluetooth.target