Merge pull request #459 from mgorny/py314-debug-build-failure

Redefine `_Py_DEC_REFTOTAL` as a private macro to fix py3.14 debug build

Author: jamadden

src/greenlet/PyGreenlet.cpp

@@ -249,7 +249,7 @@ _green_dealloc_kill_started_non_main_greenlet(BorrowedGreenlet self)
 
         PyObject_GC_Track((PyObject*)self);
 
-        _Py_DEC_REFTOTAL;
+        GREENLET_Py_DEC_REFTOTAL;
 #ifdef COUNT_ALLOCS
         --Py_TYPE(self)->tp_frees;
         --Py_TYPE(self)->tp_allocs;

src/greenlet/greenlet_cpython_compat.hpp

@@ -73,20 +73,22 @@ Greenlet won't compile on anything older than Python 3.11 alpha 4 (see
 #    define Py_SET_REFCNT(obj, refcnt) Py_REFCNT(obj) = (refcnt)
 #endif
 
-#ifndef _Py_DEC_REFTOTAL
+#ifdef _Py_DEC_REFTOTAL
+#  define GREENLET_Py_DEC_REFTOTAL _Py_DEC_REFTOTAL
+#else
 /* _Py_DEC_REFTOTAL macro has been removed from Python 3.9 by:
   https://github.com/python/cpython/commit/49932fec62c616ec88da52642339d83ae719e924
 
   The symbol we use to replace it was removed by at least 3.12.
 */
 #    ifdef Py_REF_DEBUG
 #      if GREENLET_PY312
-#         define _Py_DEC_REFTOTAL
+#         define GREENLET_Py_DEC_REFTOTAL
 #      else
-#        define _Py_DEC_REFTOTAL _Py_RefTotal--
+#        define GREENLET_Py_DEC_REFTOTAL _Py_RefTotal--
 #      endif
 #    else
-#        define _Py_DEC_REFTOTAL
+#        define GREENLET_Py_DEC_REFTOTAL
 #    endif
 #endif
 // Define these flags like Cython does if we're on an old version.