Bug report

Bug description:

As described in https://devblogs.microsoft.com/cppblog/c11-threads-in-visual-studio-2022-version-17-8-preview-2/, Visual Studio 17.8 introduced support for C11 threads, provided by vcruntime140_threads.dll. When I use the Tools\msi\buildrelease.bat script to build Python 3.12.2 on Windows using this Visual Studio version, the vcruntime140_threads.dll ends up in the Python distribution. For instance, the python-3.12.2-embed-amd64.zip file that is built contains the file vcruntime140_threads.dll at its root.

I traced the cause of this to

which copies all DLLs matching the pattern vcruntime*.dll from the Visual C++ runtime directory. Starting with Visual Studio 17.8, this directory (which for me is C:\Program Files\Microsoft Visual Studio\2022\Community\VC\Redist\MSVC\14.38.33135\x64\Microsoft.VC143.CRT) contains the file vcruntime140_threads.dll.

Given that we aren't using C11 threads on Windows, I think we should change that line to
<VCRuntimeDLL Include="$(VCRedistDir)\Microsoft.VC*.CRT\vcruntime*.dll" Exclude="$(VCRedistDir)\Microsoft.VC*.CRT\vcruntime*_threads.dll" /> to ensure that the file is not included in the Python distribution. I can make a PR for this change.

CPython versions tested on:

3.12

Operating systems tested on:

Windows

Linked PRs

• gh-115167: Exclude vcruntime140_threads.dll with Visual Studio 2022 version 17.8 #115176
• [3.12] gh-115167: Exclude vcruntime140_threads.dll from Windows build output (GH-115176) #115186
• [3.11] gh-115167: Exclude vcruntime140_threads.dll from Windows build output (GH-115176) #115187