-export PATH=$DBUS_TOP_BUILDDIR/bus:$PATH
-## the libtool script found by the path search should already do this, but
-export LD_LIBRARY_PATH=$DBUS_TOP_BUILDDIR/dbus/.libs:$LD_LIBRARY_PATH
+if ! test -e "$DBUS_TOP_BUILDDIR"/bus/dbus-daemon ; then
+ die "$DBUS_TOP_BUILDDIR/bus/dbus-daemon does not exist"
+fi