#include <config.h>
+#include "math_factory.h"
#include "math_parser.h"
#include "math_arrayinset.h"
#include "math_amsarrayinset.h"
#include "debug.h"
#include "math_support.h"
-#include "Lsstream.h"
+#include "support/std_sstream.h"
#include "support/filetools.h" // LibFileSearch
#include "support/lstrings.h"
#include "frontends/lyx_gui.h"