bpo-41078: Add pycore_list.h internal header file (GH-21057)
* Move _PyList_ITEMS() to pycore_list.h.
* The C extension "_heapq" is now built with Py_BUILD_CORE_MODULE
macro defined to access the internal C API.
diff --git a/Modules/Setup b/Modules/Setup
index 5d428d5..470bf6b 100644
--- a/Modules/Setup
+++ b/Modules/Setup
@@ -180,7 +180,7 @@
#_datetime _datetimemodule.c # datetime accelerator
#_zoneinfo _zoneinfo.c # zoneinfo accelerator
#_bisect _bisectmodule.c # Bisection algorithms
-#_heapq _heapqmodule.c # Heap queue algorithm
+#_heapq _heapqmodule.c -DPy_BUILD_CORE_MODULE # Heap queue algorithm
#_asyncio _asynciomodule.c # Fast asyncio Future
#_json -I$(srcdir)/Include/internal -DPy_BUILD_CORE_BUILTIN _json.c # _json speedups
#_statistics _statisticsmodule.c # statistics accelerator