Avoid using the thread state attribute "use_tracing" in Python 3.12 where it was removed from the struct.

scoder · scoder · commit 03c498d3142c · 2023-05-29T22:08:50.000+02:00
See PEP-669 (https://peps.python.org/pep-0669/) and the implementation in python/cpython#103083. There is more to be done to properly support PEP-669, but this makes it compile. See #5450
diff --git a/Cython/Utility/Profile.c b/Cython/Utility/Profile.c
@@ -61,15 +61,21 @@
   #define __Pyx_TraceFrameInit(codeobj)                                   \
       if (codeobj) $frame_code_cname = (PyCodeObject*) codeobj;
 
+
 #if PY_VERSION_HEX >= 0x030b00a2
+  #if PY_VERSION_HEX >= 0x030C00b1
+  #define __Pyx_IsTracing(tstate, check_tracing, check_funcs) \
+     ((!(check_tracing) || !(tstate)->tracing) && \
+         (!(check_funcs) || (tstate)->c_profilefunc || (CYTHON_TRACE && (tstate)->c_tracefunc)))
+  #else
   #define __Pyx_IsTracing(tstate, check_tracing, check_funcs) \
      (unlikely((tstate)->cframe->use_tracing) && \
          (!(check_tracing) || !(tstate)->tracing) && \
          (!(check_funcs) || (tstate)->c_profilefunc || (CYTHON_TRACE && (tstate)->c_tracefunc)))
+  #endif
 
-  #define __Pyx_EnterTracing(tstate) PyThreadState_EnterTracing(tstate)
-
-  #define __Pyx_LeaveTracing(tstate) PyThreadState_LeaveTracing(tstate)
+  #define __Pyx_EnterTracing(tstate)  PyThreadState_EnterTracing(tstate)
+  #define __Pyx_LeaveTracing(tstate)  PyThreadState_LeaveTracing(tstate)
 
 #elif PY_VERSION_HEX >= 0x030a00b1
   #define __Pyx_IsTracing(tstate, check_tracing, check_funcs) \
