build-sys: dbus-glib is just required by gtk's systemadm

do not fail if there is no dbus-glib and we're not building the gtk
frontend.

diff --git a/configure.ac b/configure.ac
index 12cdb0c1e96e9866fb0485bc0b9dfdfbc4e8f060..fc0fc90c498e7e18972b3141900b8fb140b26a19 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -112,10 +112,6 @@ PKG_CHECK_MODULES(DBUS, [ dbus-1 >= 1.3.2 ])
 AC_SUBST(DBUS_CFLAGS)
 AC_SUBST(DBUS_LIBS)
 
-PKG_CHECK_MODULES(DBUSGLIB, [ dbus-glib-1 ])
-AC_SUBST(DBUSGLIB_CFLAGS)
-AC_SUBST(DBUSGLIB_LIBS)
-
 have_selinux=no
 AC_ARG_ENABLE(selinux, AS_HELP_STRING([--disable-selinux], [Disable optional SELINUX support]))
 if test "x$enable_selinux" != "xno"; then
@@ -255,6 +251,12 @@ if test "x$enable_gtk" != "xno"; then
 fi
 AM_CONDITIONAL(HAVE_GTK, [test "$have_gtk" = "yes"])
 
+if test "$have_gtk" = "yes"; then
+        PKG_CHECK_MODULES(DBUSGLIB, [ dbus-glib-1 ])
+        AC_SUBST(DBUSGLIB_CFLAGS)
+        AC_SUBST(DBUSGLIB_LIBS)
+fi
+
 AM_PROG_VALAC([0.9])
 AC_SUBST(VAPIDIR)
 AM_CONDITIONAL(HAVE_VALAC, test x"$VALAC" != x)