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bpo-43974: Move Py_BUILD_CORE_MODULE into module code (GH-29157) #29157

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Merged
merged 5 commits into from
Oct 22, 2021

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@tiran tiran commented Oct 22, 2021

setup.py no longer defines Py_BUILD_CORE_MODULE. Instead every
module defines the macro before #include "Python.h" unless
Py_BUILD_CORE_BUILTIN is already defined.

Py_BUILD_CORE_BUILTIN is defined for every module that is built by
Modules/Setup.

The PR also simplifies Modules/Setup. Makefile and makesetup
already define Py_BUILD_CORE_BUILTIN and include Modules/internal
for us.

Signed-off-by: Christian Heimes [email protected]

https://bugs.python.org/issue43974

tiran added 3 commits October 22, 2021 14:00
``setup.py`` no longer defines ``Py_BUILD_CORE_MODULE``. Instead every
module defines the macro before ``#include "Python.h"`` unless
``Py_BUILD_CORE_BUILTIN`` is already defined.

``Py_BUILD_CORE_BUILTIN`` is defined for every module that is built by
``Modules/Setup``.

Signed-off-by: Christian Heimes <[email protected]>
Makefile and makesetup already define ``Py_BUILD_CORE_BUILTIN`` and
include ``Modules/internal`` for us.
@tiran tiran marked this pull request as ready for review October 22, 2021 12:50
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LGTM. I compared the list of modified files to setup.py. It seems like the PR is exhausitve.

Oh. I didn't know that Modules/makesetup already uses the correct flags for build C extensions depending if it's before or after *shared* in Modules/Setup:

PY_BUILTIN_MODULE_CFLAGS= $(PY_STDMODULE_CFLAGS) -DPy_BUILD_CORE_BUILTIN
PY_CORE_CFLAGS=	$(PY_STDMODULE_CFLAGS) -DPy_BUILD_CORE

@@ -0,0 +1,2 @@
``setup.py`` no longer defines ``Py_BUILD_CORE_MODULE``. Instead every
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You may also mention Modules/Setup.

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Oh. I didn't know that Modules/makesetup already uses the correct flags for build C extensions depending if it's before or after *shared* in Modules/Setup:

There is a problem with *shared*. I created https://bugs.python.org/issue45571 to track the issue.

@tiran tiran changed the title bpo-43974: Move Py_BUILD_CORE_MODULE into module code bpo-43974: Move Py_BUILD_CORE_MODULE into module code (GH-29157) Oct 22, 2021
@tiran tiran merged commit 03e9f5d into python:main Oct 22, 2021
@tiran tiran deleted the bpo-43974-2 branch October 22, 2021 13:36
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4 participants