1 files changed, 12 insertions, 14 deletions
diff --git a/klm/lm/max_order.hh b/klm/lm/max_order.hh
index aff9de27..989f8324 100644
--- a/klm/lm/max_order.hh
+++ b/klm/lm/max_order.hh
@@ -1,14 +1,12 @@
-#ifndef LM_MAX_ORDER__
-#define LM_MAX_ORDER__
-namespace lm {
-namespace ngram {
-// If you need higher order, change this and recompile.  
-// Having this limit means that State can be
-// (kMaxOrder - 1) * sizeof(float) bytes instead of
-// sizeof(float*) + (kMaxOrder - 1) * sizeof(float) + malloc overhead
-const unsigned char kMaxOrder = 5;
-
-} // namespace ngram
-} // namespace lm
-
-#endif // LM_MAX_ORDER__
+/* IF YOUR BUILD SYSTEM PASSES -DKENLM_MAX_ORDER, THEN CHANGE THE BUILD SYSTEM.
+ * If not, this is the default maximum order.  
+ * Having this limit means that State can be
+ * (kMaxOrder - 1) * sizeof(float) bytes instead of
+ * sizeof(float*) + (kMaxOrder - 1) * sizeof(float) + malloc overhead
+ */
+#ifndef KENLM_MAX_ORDER
+#define KENLM_MAX_ORDER 6
+#endif
+#ifndef KENLM_ORDER_MESSAGE
+#define KENLM_ORDER_MESSAGE "If your build system supports changing KENLM_MAX_ORDER, change it there and recompile.  In the KenLM tarball or Moses, use e.g. `bjam --kenlm-max-order=6 -a'.  Otherwise, edit lm/max_order.hh."
+#endif