pythongh-115882: Reference Unknwn.h for ctypes on Windows (pythonGH-1…

…15350) This allows the module to be compiled with WIN32_LEAN_AND_MEAN enabled
woodruffw-forks · Mar 4, 2024 · 7a89c9b · 7a89c9b
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diff --git a/Misc/NEWS.d/next/Build/2024-02-24-12-50-43.gh-issue-115350.naQA6y.rst b/Misc/NEWS.d/next/Build/2024-02-24-12-50-43.gh-issue-115350.naQA6y.rst
@@ -0,0 +1 @@
+Fix building ctypes module with -DWIN32_LEAN_AND_MEAN defined
diff --git a/Modules/_ctypes/ctypes.h b/Modules/_ctypes/ctypes.h
@@ -32,6 +32,10 @@
 #endif
 #endif
 
+#ifdef MS_WIN32
+#include <Unknwn.h> // for IUnknown interface
+#endif
+
 typedef struct {
     PyTypeObject *DictRemover_Type;
     PyTypeObject *PyCArg_Type;