Do not install systemd unit files if build without systemd

If dbus buid without systemd (--disable-systemd or no systemd libs
available when building), we expect not to install dbus systemd unit
files because they're only for systemd environment.

Bug: https://bugs.freedesktop.org/show_bug.cgi?id=71818
Reviewed-by: Simon McVittie <simon.mcvittie@collabora.co.uk>

diff --git a/configure.ac b/configure.ac
index e37a632949f00441b1076835fec23c2c3c085eb5..b18c30f61d87e0e97e37e430fad6e53b4b15897a 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -1497,7 +1497,7 @@ AS_HELP_STRING([--with-systemdsystemunitdir=DIR], [Directory for systemd service
 if test "x$with_systemdsystemunitdir" != xno; then
    AC_SUBST([systemdsystemunitdir], [$with_systemdsystemunitdir])
 fi
-AM_CONDITIONAL(HAVE_SYSTEMD, [test -n "$with_systemdsystemunitdir" -a "x$with_systemdsystemunitdir" != xno ])
+AM_CONDITIONAL(HAVE_SYSTEMD, [test "x$have_systemd" != "xno" -a -n "$with_systemdsystemunitdir" -a "x$with_systemdsystemunitdir" != xno ])
 
 ##### Set up location for system bus socket
 if ! test -z "$with_system_socket"; then