From f13eebcc9b1407e5aeaf010536fcb5e469dbfe71 Mon Sep 17 00:00:00 2001
From: Ben Gamari <bgamari.foss@gmail.com>
Date: Sat, 22 Apr 2017 09:34:18 -0400
Subject: cpp: Use #pragma once instead of #ifndef guards

This both says what we mean and silences a bunch of spurious CPP linting
warnings. This pragma is supported by all CPP implementations which we
support.

Reviewers: austin, erikd, simonmar, hvr

Reviewed By: simonmar

Subscribers: rwbarton, thomie

Differential Revision: https://phabricator.haskell.org/D3482
---
 rts/Updates.h | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

(limited to 'rts/Updates.h')

diff --git a/rts/Updates.h b/rts/Updates.h
index 513177217d..adbfb49832 100644
--- a/rts/Updates.h
+++ b/rts/Updates.h
@@ -6,8 +6,7 @@
  *
  * ---------------------------------------------------------------------------*/
 
-#ifndef UPDATES_H
-#define UPDATES_H
+#pragma once
 
 #ifndef CMINUSMINUS
 #include "BeginPrivate.h"
@@ -89,5 +88,3 @@ INLINE_HEADER void updateWithIndirection (Capability *cap,
 #ifndef CMINUSMINUS
 #include "EndPrivate.h"
 #endif
-
-#endif /* UPDATES_H */
-- 
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