From 0c71756009130dd038f3afdf232c0b1e03944dbd Mon Sep 17 00:00:00 2001
From: Francisco Pombal <17580742+FranciscoPombal@users.noreply.github.com>
Date: Thu, 27 May 2021 04:57:22 +0100
Subject: [PATCH] CMake: fix MSVC __cplusplus (#13934)

---
 cmake/Modules/MacroQbtCommonConfig.cmake | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/cmake/Modules/MacroQbtCommonConfig.cmake b/cmake/Modules/MacroQbtCommonConfig.cmake
index 7c49a068e..cea42388c 100644
--- a/cmake/Modules/MacroQbtCommonConfig.cmake
+++ b/cmake/Modules/MacroQbtCommonConfig.cmake
@@ -79,6 +79,8 @@ macro(qbt_common_config)
         target_compile_options(qbt_common_cfg INTERFACE
             /guard:cf
             /utf-8
+            # https://devblogs.microsoft.com/cppblog/msvc-now-correctly-reports-__cplusplus/
+            /Zc:__cplusplus
         )
         target_link_options(qbt_common_cfg INTERFACE
             /guard:cf