+AC_ARG_WITH([systemdsystemunitdir],
+ [AS_HELP_STRING([--with-systemdsystemunitdir=DIR], [Directory for systemd service files])],,
+ [with_systemdsystemunitdir=auto])
+AS_IF([test "x$with_systemdsystemunitdir" = "xyes" -o "x$with_systemdsystemunitdir" = "xauto"], [
+ def_systemdsystemunitdir=$($PKG_CONFIG --variable=systemdsystemunitdir systemd)
+
+ AS_IF([test "x$def_systemdsystemunitdir" = "x"],
+ [AS_IF([test "x$with_systemdsystemunitdir" = "xyes"],
+ [AC_MSG_ERROR([systemd support requested but pkg-config unable to query systemd package])])
+ with_systemdsystemunitdir=no],
+ [with_systemdsystemunitdir="$def_systemdsystemunitdir"])])
+AS_IF([test "x$with_systemdsystemunitdir" != "xno"],
+ [AC_SUBST([systemdsystemunitdir], [$with_systemdsystemunitdir])])
+AM_CONDITIONAL([HAVE_SYSTEMD], [test "x$with_systemdsystemunitdir" != "xno"])
+