clib_macro_set_value (mm, "foo", "this is foo which contains $(bar)");
clib_macro_set_value (mm, "bar", "bar");
fformat (stdout, "evaluate: %s\n",
clib_macro_set_value (mm, "foo", "this is foo which contains $(bar)");
clib_macro_set_value (mm, "bar", "bar");
fformat (stdout, "evaluate: %s\n",