1 files changed, 8 insertions, 6 deletions
diff --git a/fpga_interchange/luts.h b/fpga_interchange/luts.h
index a5d3b1d0..333df36e 100644
--- a/fpga_interchange/luts.h
+++ b/fpga_interchange/luts.h
@@ -17,15 +17,17 @@
  *
  */
 
-#ifndef NEXTPNR_H
-#error Include "luts.h" via "nextpnr.h" only.
-#endif
-
-#include "dynamic_bitarray.h"
-
 #ifndef LUTS_H
 #define LUTS_H
 
+#include <unordered_map>
+#include <unordered_set>
+
+#include "idstring.h"
+#include "nextpnr_namespaces.h"
+
+#include "dynamic_bitarray.h"
+
 NEXTPNR_NAMESPACE_BEGIN
 
 struct CellInfo;