From 1f4b8d74d54266b024fdc43d27cbc394aa73be60 Mon Sep 17 00:00:00 2001
From: wmayer <wmayer@users.sourceforge.net>
Date: Sun, 16 Jun 2024 19:32:07 +0200
Subject: [PATCH] MSVC: Fix crash with std::mutex

See https://stackoverflow.com/questions/78598141/first-stdmutexlock-crashes-in-application-built-with-latest-visual-studio
---
 cMake/FreeCAD_Helpers/SetGlobalCompilerAndLinkerSettings.cmake | 1 +
 1 file changed, 1 insertion(+)

diff --git a/cMake/FreeCAD_Helpers/SetGlobalCompilerAndLinkerSettings.cmake b/cMake/FreeCAD_Helpers/SetGlobalCompilerAndLinkerSettings.cmake
index dc97e691f0..13eb953dd1 100644
--- a/cMake/FreeCAD_Helpers/SetGlobalCompilerAndLinkerSettings.cmake
+++ b/cMake/FreeCAD_Helpers/SetGlobalCompilerAndLinkerSettings.cmake
@@ -21,6 +21,7 @@ macro(SetGlobalCompilerAndLinkerSettings)
 
     if(MSVC)
         # set default compiler settings
+        add_definitions(-D_DISABLE_CONSTEXPR_MUTEX_CONSTRUCTOR)
         set (CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} /Zm150 /bigobj")
         set (CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} -DFC_DEBUG /Zm150 /bigobj")
         # set default libs