From a265a4cf311818061e569d21d315ed8f7dd91414 Mon Sep 17 00:00:00 2001
From: Tobias Leibner <7058290+tobiasleibner@users.noreply.github.com>
Date: Wed, 7 May 2025 03:36:42 +0200
Subject: [PATCH] fix: define _DEBUG macro to 1 on redefinition (#5639)

According to the msvc documentation, the macro should be defined to 1:
https://learn.microsoft.com/en-us/cpp/preprocessor/predefined-macros
---
 include/pybind11/conduit/wrap_include_python_h.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/pybind11/conduit/wrap_include_python_h.h b/include/pybind11/conduit/wrap_include_python_h.h
index 316d1afc8..713dc4bb6 100644
--- a/include/pybind11/conduit/wrap_include_python_h.h
+++ b/include/pybind11/conduit/wrap_include_python_h.h
@@ -50,7 +50,7 @@
 #endif
 
 #if defined(PYBIND11_DEBUG_MARKER)
-#    define _DEBUG
+#    define _DEBUG 1
 #    undef PYBIND11_DEBUG_MARKER
 #endif