From 2ef7216b7e82e4432ac1056998fb36c164cea1c6 Mon Sep 17 00:00:00 2001
From: Klemens Morgenstern <klemens.d.morgenstern@gmail.com>
Date: Wed, 25 Oct 2023 00:13:16 +0800
Subject: [PATCH] added check for msvc 1930.

---
 CMakeLists.txt | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 8f2fbb31..a406a4f0 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -22,6 +22,11 @@ if(NOT cxx_std_20 IN_LIST CMAKE_CXX_COMPILE_FEATURES)
     return()
 endif()
 
+if(MSVC_VERSION AND MSVC_VERSION LESS 1930)
+    message(STATUS "Boost.Cobalt: not building, the lowest supported MSVC version is 1930.  ${MSVC_VERSION} is not supported")
+    return()
+endif()
+
 option(BOOST_COBALT_USE_BOOST_CONTAINER "Boost.Cobalt: Use boost.container instead of std::pmr" ${BOOST_COBALT_SHOULD_USE_CONTAINER})