8000 gh-115582: Make default PC/pyconfig.h work for free-threaded builds with manual /DPy_GIL_DISABLED by zooba · Pull Request #115850 · python/cpython · GitHub
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gh-115582: Make default PC/pyconfig.h work for free-threaded builds with manual /DPy_GIL_DISABLED #115850

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Merged
merged 3 commits into from
Feb 26, 2024
Merged

gh-115582: Make default PC/pyconfig.h work for free-threaded builds with manual /DPy_GIL_DISABLED #115850

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gh-115582: Make default PC/pyconfig.h work for free-threaded builds w…
zooba Feb 23, 2024
e3c8796
Fix role
zooba Feb 23, 2024
625b72b
More appropriate NEWS suggestion
zooba Feb 26, 2024
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3 changes: 3 additions & 0 deletions Misc/NEWS.d/next/Windows/2024-02-23-11-43-43.gh-issue-115582.sk1XPi.rst
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@@ -0,0 +1,3 @@
Building extensions intended for free-threaded builds of CPython now require
compiling with ``/DPy_GIL_DISABLED`` manually when using a regular install. This
is expected to change in future releases.
7 changes: 6 additions & 1 deletion PC/pyconfig.h.in
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Expand Up @@ -95,7 +95,12 @@ WIN32 is still required for the locale module.
#endif /* Py_BUILD_CORE || Py_BUILD_CORE_BUILTIN || Py_BUILD_CORE_MODULE */

/* Define to 1 if you want to disable the GIL */
#undef Py_GIL_DISABLED
/* Uncomment the definition for free-threaded builds, or define it manually
* when compiling extension modules. Note that we test with #ifdef, so
* defining as 0 will still disable the GIL. */
#ifndef Py_GIL_DISABLED
/* #define Py_GIL_DISABLED 1 */
#endif

/* Compiler specific defines */

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2 changes: 1 addition & 1 deletion PCbuild/pythoncore.vcxproj
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Expand Up @@ -677,7 +677,7 @@
<OldPyConfigH Condition="Exists('$(IntDir)pyconfig.h')">$([System.IO.File]::ReadAllText('$(IntDir)pyconfig.h'))</OldPyConfigH>
</PropertyGroup>
<PropertyGroup Condition="$(DisableGil) == 'true'">
<PyConfigHText>$(PyConfigHText.Replace('#undef Py_GIL_DISABLED', '#define Py_GIL_DISABLED 1'))</PyConfigHText>
<PyConfigHText>$(PyConfigHText.Replace('/* #define Py_GIL_DISABLED 1 */', '#define Py_GIL_DISABLED 1'))</PyConfigHText>
</PropertyGroup>
<Message Text="Updating pyconfig.h" Condition="$(PyConfigHText.TrimEnd()) != $(OldPyConfigH.TrimEnd())" />
<WriteLinesToFile File="$(IntDir)pyconfig.h"
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