From 20c204244b4000dc209da42a1b2a39c06c454419 Mon Sep 17 00:00:00 2001
From: Ruslan Baratov <ruslan_baratov@yahoo.com>
Date: Thu, 22 Mar 2018 15:32:43 +0300
Subject: CheckSymbolExists: Fix CMP0054 warning

---
 Modules/CheckSymbolExists.cmake | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/Modules/CheckSymbolExists.cmake b/Modules/CheckSymbolExists.cmake
index d9c9ae4..3483121 100644
--- a/Modules/CheckSymbolExists.cmake
+++ b/Modules/CheckSymbolExists.cmake
@@ -45,6 +45,9 @@ the way the check is run:
 
 include_guard(GLOBAL)
 
+cmake_policy(PUSH)
+cmake_policy(SET CMP0054 NEW) # if() quoted variables not dereferenced
+
 macro(CHECK_SYMBOL_EXISTS SYMBOL FILES VARIABLE)
   if(CMAKE_C_COMPILER_LOADED)
     __CHECK_SYMBOL_EXISTS_IMPL("${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/CheckSymbolExists.c" "${SYMBOL}" "${FILES}" "${VARIABLE}" )
@@ -116,3 +119,5 @@ macro(__CHECK_SYMBOL_EXISTS_IMPL SOURCEFILE SYMBOL FILES VARIABLE)
     endif()
   endif()
 endmacro()
+
+cmake_policy(POP)
-- 
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