autotools: systemdsystemunitdir

configure.ac

@@ -194,6 +194,16 @@ AS_IF([test "x${LIBJUDY}" = "x"], [
 ])
 AC_SUBST(LIBJUDY)
 
+# systemd
+AC_ARG_WITH([systemdsystemunitdir],
+            AS_HELP_STRING([--with-systemdsystemunitdir=DIR], [Directory for systemd service files]),
+            [],
+            [with_systemdsystemunitdir=$(pkg-config --variable=systemdsystemunitdir systemd)])
+if test "x$with_systemdsystemunitdir" != "xno"; then
+  AC_SUBST([systemdsystemunitdir], [$with_systemdsystemunitdir])
+fi
+AM_CONDITIONAL(HAVE_SYSTEMD, [test -n "$systemdsystemunitdir"])
+
 
 # Test coverage build
 AC_MSG_CHECKING([whether to build for test coverage])

misc/Makefile.am

@@ -17,8 +17,6 @@
 # *  http://www.gnu.org/copyleft/gpl.html                               *
 # ***********************************************************************
 
-systemddir = $(libdir)/systemd/system
-
 MOSTLYCLEANFILES += $(examples_DATA) $(conf_SCRIPTS) $(systemd_DATA)
 
 cat_verbose = $(cat_verbose_$(V))
@@ -44,7 +42,10 @@ client-hook: misc/client-hook.$(hook_suffix)
 
 # systemd service
 dist_noinst_DATA += misc/miredo.service-in misc/miredo-server.service-in
-systemd_DATA = misc/miredo.service misc/miredo-server.service
+if HAVE_SYSTEMD
+systemdservicedir = $(systemdsystemunitdir)
+systemdservice_DATA = misc/miredo.service misc/miredo-server.service
+endif
 
 .service-in.service:
 	$(AM_V_at)$(mkdir_p) misc