From cfa449c3f3c5b151eb11ef79bc2cf571e98bbbed Mon Sep 17 00:00:00 2001
From: Keith Rothman <537074+litghost@users.noreply.github.com>
Date: Wed, 24 Feb 2021 14:02:21 -0800
Subject: Initial LUT rotation logic.

Signed-off-by: Keith Rothman <537074+litghost@users.noreply.github.com>
---
 fpga_interchange/site_router.h | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'fpga_interchange/site_router.h')

diff --git a/fpga_interchange/site_router.h b/fpga_interchange/site_router.h
index 561dae9d..6af32747 100644
--- a/fpga_interchange/site_router.h
+++ b/fpga_interchange/site_router.h
@@ -22,6 +22,9 @@
 #error Include "site_router.h" via "nextpnr.h" only.
 #endif
 
+#ifndef SITE_ROUTER_H
+#define SITE_ROUTER_H
+
 NEXTPNR_NAMESPACE_BEGIN
 
 struct Context;
@@ -43,3 +46,5 @@ struct SiteRouter
 };
 
 NEXTPNR_NAMESPACE_END
+
+#endif /* SITE_ROUTER_H */
-- 
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