From cc8e2c45729a8e84beddc201f801dc23edfdd683 Mon Sep 17 00:00:00 2001
From: Volker Krause <volker.krause@kdab.com>
Date: Tue, 12 Feb 2019 16:04:57 +0100
Subject: [PATCH] Use CMakePushCheckState

Change-Id: I58d779674363a7f7db4a7ea4ca4a9f4a9e271798
Reviewed-by: Simon Hausmann <simon.hausmann@qt.io>
---
 cmake/FindWrapRt.cmake | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/cmake/FindWrapRt.cmake b/cmake/FindWrapRt.cmake
index 221399b259a..dee41e06179 100644
--- a/cmake/FindWrapRt.cmake
+++ b/cmake/FindWrapRt.cmake
@@ -1,8 +1,9 @@
 include(CheckCXXSourceCompiles)
+include(CMakePushCheckState)
 
 find_library(LIBRT rt)
 
-set(_libraries "${CMAKE_REQUIRED_LIBRARIES}")
+cmake_push_check_state()
 if(LIBRT_FOUND)
     list(APPEND CMAKE_REQUIRED_LIBRARIES "${LIBRT}")
 endif()
@@ -15,8 +16,7 @@ int main(int argc, char *argv[]) {
     timespec ts; clock_gettime(CLOCK_REALTIME, &ts);
 }" HAVE_GETTIME)
 
-set(CMAKE_REQUIRED_LIBRARIES "${_libraries}")
-unset(_libraries)
+cmake_pop_check_state()
 
 add_library(WrapRt INTERFACE)
 if (LIBRT_FOUND)