fixes for #7420 #7405

Author: NikolajBjorner

CMakeLists.txt

@@ -191,6 +191,8 @@ if (CMAKE_SYSTEM_NAME STREQUAL "Darwin")
 elseif (WIN32)
   message(STATUS "Platform: Windows")
   list(APPEND Z3_COMPONENT_CXX_DEFINES "-D_WINDOWS")
+  # workaround for #7420
+  list(APPEND Z3_COMPONENT_CXX_DEFINES "-D_DISABLE_CONSTEXPR_MUTEX_CONSTRUCTOR")  
 elseif (EMSCRIPTEN)
   message(STATUS "Platform: Emscripten")
   list(APPEND Z3_DEPENDENT_EXTRA_CXX_LINK_FLAGS

scripts/mk_util.py

@@ -2500,7 +2500,7 @@ def mk_config():
     config = open(os.path.join(BUILD_DIR, 'config.mk'), 'w')
     global CXX, CC, GMP, GUARD_CF, STATIC_BIN, GIT_HASH, CPPFLAGS, CXXFLAGS, LDFLAGS, EXAMP_DEBUG_FLAG, FPMATH_FLAGS, LOG_SYNC, SINGLE_THREADED, IS_ARCH_ARM64
     if IS_WINDOWS:
-        CXXFLAGS = '/nologo /Zi /D WIN32 /D _WINDOWS /EHsc /GS /Gd /std:c++20'
+        CXXFLAGS = '/nologo /Zi /D WIN32 /D _WINDOWS /EHsc /GS /Gd /std:c++20 -D_DISABLE_CONSTEXPR_MUTEX_CONSTRUCTOR'
         config.write(
             'CC=cl\n'
             'CXX=cl\n'