e_extra_features+="-D_F_TRANSIENT_FOR_PATCH_ "
# add border hook patch
e_extra_features+="-D_F_BORDER_HOOK_PATCH_ "
+# add multi-layer feature of the compositor
+e_extra_features+="-D_F_COMP_LAYER_ "
have_extra_features=no
AC_ARG_ENABLE(extra_features,