+#include <math.h>
+
+#include "data/casereader.h"
+#include "data/casewriter.h"
+#include "data/dictionary.h"
+#include "data/format.h"
+#include "data/procedure.h"
+#include "data/subcase.h"
+#include "data/variable.h"
+#include "libpspp/assertion.h"
+#include "libpspp/message.h"
+#include "libpspp/misc.h"
+#include "math/sort.h"
+#include "math/wilcoxon-sig.h"
+#include "output/tab.h"
+
+#include "gl/minmax.h"
+#include "gl/xalloc.h"