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authorBen Gamari <bgamari.foss@gmail.com>2017-04-22 09:34:18 -0400
committerBen Gamari <ben@smart-cactus.org>2017-04-23 11:05:48 -0400
commitf13eebcc9b1407e5aeaf010536fcb5e469dbfe71 (patch)
tree99bb45d293b74ba0570a2555e07fed09f8c3f659 /includes/MachDeps.h
parent87fbf39a61d2535a172fbcecec098730eba1777f (diff)
downloadhaskell-f13eebcc9b1407e5aeaf010536fcb5e469dbfe71.tar.gz
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
Diffstat (limited to 'includes/MachDeps.h')
-rw-r--r--includes/MachDeps.h5
1 files changed, 1 insertions, 4 deletions
diff --git a/includes/MachDeps.h b/includes/MachDeps.h
index 380b3fb061..778975ea3c 100644
--- a/includes/MachDeps.h
+++ b/includes/MachDeps.h
@@ -13,8 +13,7 @@
*
* ---------------------------------------------------------------------------*/
-#ifndef MACHDEPS_H
-#define MACHDEPS_H
+#pragma once
/* Don't allow stage1 (cross-)compiler embed assumptions about target
* platform. When ghc-stage1 is being built by ghc-stage0 is should not
@@ -122,5 +121,3 @@
#define TAG_MASK ((1 << TAG_BITS) - 1)
#endif /* !defined(STAGE) || STAGE >= 2 */
-
-#endif /* MACHDEPS_H */