The old method appeared not to work with some gcc versions.
#include <config.h>
-#include "language/expressions/evaluate.h"
+#include "evaluate.h"
#include <ctype.h>
#include "data/calendar.h"
#include "data/data-in.h"
#include "data/variable.h"
-#include "language/expressions/evaluate.h"
+#include "evaluate.h"
#include "language/expressions/helpers.h"
#include "language/expressions/public.h"
#include "libpspp/assertion.h"
#include <stddef.h>
#include "data/format.h"
-#include "language/expressions/operations.h"
-#include "language/expressions/public.h"
+#include "operations.h"
+#include "public.h"
#include "libpspp/str.h"
enum operation_flags