From eb5613563b288748c6de1d201fa91c805aa34d21 Mon Sep 17 00:00:00 2001
From: Tarcisio Rodrigues <tarcisio.rodrigues@xpi.com.br>
Date: Thu, 28 Jan 2021 23:58:41 -0300
Subject: [PATCH] Add /Zc:__cplusplus to MSVC compiler flags

Fix build errors for a clean build on Windows. For details about the
CMake teting code see https://stackoverflow.com/a/60890947/1254880
---
 CMakeLists.txt | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 73e3d1f6..3a7406a3 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -185,6 +185,10 @@ if(CMAKE_C_COMPILER_ID MATCHES "AppleClang|Clang|GNU|Intel" AND NOT CMAKE_SYSTEM
   endif()
 endif()
 
+if (MSVC AND MSVC_VERSION GREATER_EQUAL 1914)
+  list(APPEND mi_cflags /Zc:__cplusplus)
+endif()
+
 # Architecture flags
 if(${CMAKE_HOST_SYSTEM_PROCESSOR} MATCHES "arm" AND NOT APPLE)
     check_cxx_compiler_flag(-march=native CXX_SUPPORTS_MARCH_NATIVE)