GeezerVison

Using py -3.14 (found 3.14 with py.exe)

C:\a\cpython\cpython>"C:\Program Files\Microsoft Visual Studio\18\Enterprise\MSBuild\Current\Bin\msbuild.exe" "C:\a\cpython\cpython\PCbuild\pcbuild.proj" /t:Build /m /v:n /p:Configuration=Debug /p:Platform=arm64 /p:IncludeExternals=true /p:IncludeCTypes=true /p:IncludeSSL=true /p:IncludeTkinter=true /p:DisableGil=true /p:UseTestMarker= /p:GIT="C:\Program Files\Git\clangarm64\bin\git.exe" /p:UseJIT= /p:UseTIER2= /p:PyStats= /p:UseTailCallInterp= /p:DisableRemoteDebug=          
MSBuild version 18.10.1-1.26427.6+3cd27c13e for .NET Framework
Build started 9/25/2026 11:22:22 AM.

     1>Project "C:\a\cpython\cpython\PCbuild\pcbuild.proj" on node 1 (Build target(s)).
     1>Project "C:\a\cpython\cpython\PCbuild\pcbuild.proj" (1) is building "C:\a\cpython\cpython\PCbuild\_freeze_module.vcxproj" (2) on node 1 (Build target(s)).
     2>C:\Program Files\Microsoft Visual Studio\18\Enterprise\MSBuild\Microsoft\VC\v180\Microsoft.CppBuild.targets(473,5): error MSB8020: The build tools for Visual Studio 2022 (Platform Toolset = 'v143') cannot be found. To build using the v143 build tools, please install Visual Studio 2022 build tools.  Alternatively, you may upgrade to the current Visual Studio tools by selecting the Project menu or right-click the solution, and then selecting "Retarget solution". [C:\a\cpython\cpython\PCbuild\_freeze_module.vcxproj]
     2>Done Building Project "C:\a\cpython\cpython\PCbuild\_freeze_module.vcxproj" (Build target(s)) -- FAILED.
     1>Done Building Project "C:\a\cpython\cpython\PCbuild\pcbuild.proj" (Build target(s)) -- FAILED.

Build FAILED.

       "C:\a\cpython\cpython\PCbuild\pcbuild.proj" (Build target) (1) ->
       "C:\a\cpython\cpython\PCbuild\_freeze_module.vcxproj" (Build target) (2) ->
       (PrepareForBuild target) -> 
         C:\Program Files\Microsoft Visual Studio\18\Enterprise\MSBuild\Microsoft\VC\v180\Microsoft.CppBuild.targets(473,5): error MSB8020: The build tools for Visual Studio 2022 (Platform Toolset = 'v143') cannot be found. To build using the v143 build tools, please install Visual Studio 2022 build tools.  Alternatively, you may upgrade to the current Visual Studio tools by selecting the Project menu or right-click the solution, and then selecting "Retarget solution". [C:\a\cpython\cpython\PCbuild\_freeze_module.vcxproj]

    0 Warning(s)
    1 Error(s)

C:\a\cpython\cpython\Modules\_hacl\Hacl_Hash_SHA2.c(282): fatal error C1002: compiler is out of heap space in pass 2 [C:\a\cpython\cpython\PCbuild\pythoncore.vcxproj]

- name: Install v143 ARM64
  shell: pwsh
  run: |
    $vs = & "$env:ProgramFiles\Microsoft Visual Studio\Installer\vswhere.exe" -latest -products * -property installationPath
    & "$env:ProgramFiles\Microsoft Visual Studio\Installer\setup.exe" modify --installPath "$vs" --add Microsoft.VisualStudio.Component.VC.14.44.17.14.ARM64 --quiet --norestart --wait