From 08e17472e4d5434b668dd4c63e3fa5f4b45337b9 Mon Sep 17 00:00:00 2001
From: Howard Hinnant <hhinnant@apple.com>
Date: Mon, 17 Oct 2011 20:05:10 +0000
Subject: Windows support by Ruben Van Boxem.

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@142235 91177308-0d34-0410-b5e6-96231b3b80d8
---
 include/future | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'include/future')

diff --git a/include/future b/include/future
index 62529d97c..f6896a3a0 100644
--- a/include/future
+++ b/include/future
@@ -370,7 +370,9 @@ template <class R, class Alloc> struct uses_allocator<packaged_task<R>, Alloc>;
 #include <mutex>
 #include <thread>
 
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
 #pragma GCC system_header
+#endif
 
 _LIBCPP_BEGIN_NAMESPACE_STD
 
-- 
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