From 87f6dcae61000df084c6ea0b430fef6982f04708 Mon Sep 17 00:00:00 2001
From: ff <16729017+shelllet@users.noreply.github.com>
Date: Fri, 13 Jun 2025 08:27:08 +0800
Subject: [PATCH] Check if the __debug macro has a value and avoid error
 C1017(invalid integer constant expression)

---
 include/boost/python/detail/wrap_python.hpp | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/include/boost/python/detail/wrap_python.hpp b/include/boost/python/detail/wrap_python.hpp
index 037e4bf2ec..0d2ae540b7 100644
--- a/include/boost/python/detail/wrap_python.hpp
+++ b/include/boost/python/detail/wrap_python.hpp
@@ -21,6 +21,9 @@
 // 01 Mar 01  define PyObject_INIT() for Python 1.x (Dave Abrahams)
 
 #ifdef _DEBUG
+#if _DEBUG
+#define _DEBUG_HAS_VALUE
+#endif
 # ifndef BOOST_DEBUG_PYTHON
 #  ifdef _MSC_VER  
     // VC8.0 will complain if system headers are #included both with
@@ -206,7 +209,11 @@ typedef int pid_t;
 
 #ifdef DEBUG_UNDEFINED_FROM_WRAP_PYTHON_H
 # undef DEBUG_UNDEFINED_FROM_WRAP_PYTHON_H
+#if defined(_DEBUG_HAS_VALUE)
+# define _DEBUG 1
+#else
 # define _DEBUG
+#endif
 # ifdef _CRT_NOFORCE_MANIFEST_DEFINED_FROM_WRAP_PYTHON_H
 #  undef _CRT_NOFORCE_MANIFEST_DEFINED_FROM_WRAP_PYTHON_H
 #  undef _CRT_NOFORCE_MANIFEST