🩹 make sure to define Py_GIL_DISABLED on Windows for Python 3.13t

Signed-off-by: burgholzer <[email protected]>

CMakeLists.txt

@@ -26,6 +26,11 @@ if(BUILD_MQT_DDSIM_BINDINGS)
       ON
       CACHE BOOL "Prevent multiple searches for Python and instead cache the results.")
 
+  if(DISABLE_GIL)
+    message(STATUS "Disabling Python GIL")
+    add_compile_definitions(Py_GIL_DISABLED)
+  endif()
+
   # top-level call to find Python
   find_package(
     Python 3.8 REQUIRED

pyproject.toml

@@ -123,6 +123,13 @@ BUILD_MQT_DDSIM_TESTS = "OFF"
 BUILD_MQT_DDSIM_BINDINGS = "ON"
 BUILD_MQT_DDSIM_CLI = "OFF"
 
+[[tool.scikit-build.overrides]]
+if.python-version = ">=3.13"
+if.abi-flags = "t"
+if.platform-system = "win32"
+inherit.cmake.define = "append"
+cmake.define.DISABLE_GIL = "1"
+
 
 [tool.check-sdist]
 sdist-only = ["src/mqt/ddsim/_version.py"]