From 4d611868dfe37e73aaba4cdfde37b17e8a2ec7c1 Mon Sep 17 00:00:00 2001
From: Cristian Adam <cristian.adam@gmail.com>
Date: Fri, 29 Sep 2017 02:37:00 +0200
Subject: Check*: Added include guards

---
 Modules/CheckCXXSymbolExists.cmake | 1 +
 1 file changed, 1 insertion(+)

(limited to 'Modules/CheckCXXSymbolExists.cmake')

diff --git a/Modules/CheckCXXSymbolExists.cmake b/Modules/CheckCXXSymbolExists.cmake
index 855215407c..117a458082 100644
--- a/Modules/CheckCXXSymbolExists.cmake
+++ b/Modules/CheckCXXSymbolExists.cmake
@@ -32,6 +32,7 @@
 #   CMAKE_REQUIRED_LIBRARIES = list of libraries to link
 #   CMAKE_REQUIRED_QUIET = execute quietly without messages
 
+include_guard(GLOBAL)
 include(CheckSymbolExists)
 
 macro(CHECK_CXX_SYMBOL_EXISTS SYMBOL FILES VARIABLE)
-- 
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