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bpo-45434: Python.h no longer includes <stdlib.h> #28888

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Merged
vstinner merged 1 commit into from
Oct 11, 2021
Merged

bpo-45434: Python.h no longer includes <stdlib.h> #28888

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4 changes: 4 additions & 0 deletions Doc/whatsnew/3.11.rst
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Expand Up @@ -552,6 +552,10 @@ Porting to Python 3.11

(Contributed by Victor Stinner in :issue:`39573`.)

* The ``<Python.h>`` header file no longer includes ``<stdlib.h>``. C
extensions using ``<stdlib.h>`` must now include it explicitly.
(Contributed by Victor Stinner in :issue:`45434`.)

Deprecated
----------

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1 change: 0 additions & 1 deletion Include/Python.h
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Expand Up @@ -25,7 +25,6 @@
#ifdef HAVE_ERRNO_H
# include <errno.h> // errno
#endif
#include <stdlib.h>
#ifndef MS_WINDOWS
# include <unistd.h>
#endif
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3 changes: 3 additions & 0 deletions Misc/NEWS.d/next/C API/2021-10-11-23-03-49.bpo-45434.tsS8I_.rst
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@@ -0,0 +1,3 @@
The ``<Python.h>`` header file no longer includes ``<stdlib.h>``. C
extensions using ``<stdlib.h>`` must now include it explicitly. Patch by
Victor Stinner.