From ed75a221fe0e9ebde3d1b812a206c9ce5027a0bd Mon Sep 17 00:00:00 2001
From: WarmUpTill <WarmUpTill@web.de>
Date: Sat, 8 Jun 2024 23:15:21 +0200
Subject: [PATCH] Fix crashes in combination with older MSVC redistributable
 versions

Since the switch of Windows 2022 GitHub actions runner image to version
20240603.1.1 the Visual Studio version was bumped to 17.10.34928.147.
This results in MSVC version 19.40.33811.0 being used at build time.
Combining this with e.g. the MSVC redistributable version 14.34.31938.0
results in segfaults when calling std::mutex::lock.

See also:
https://developercommunity.visualstudio.com/t/Invalid-code-generation-in-release-1940/10678572
---
 CMakeLists.txt | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index d8cb10d00..60dd9844e 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -345,6 +345,9 @@ if(OS_WINDOWS)
   if(MSVC)
     target_compile_options(${LIB_NAME} PUBLIC /MP /d2FH4- /wd4267 /wd4267
                                               /bigobj)
+
+    # Workaround for MSVC incompatibility in CI environment
+    add_compile_definitions(${target_name} _DISABLE_CONSTEXPR_MUTEX_CONSTRUCTOR)
   endif()
   target_sources(${LIB_NAME} PRIVATE lib/win/advanced-scene-switcher-win.cpp)
   add_definitions(-D_WEBSOCKETPP_CPP11_STL_)