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gh-148690: Build abi3t-compat\python3.dll on Windows #148912

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gh-148690: Build abi3t-compat\python3.dll on Windows #148912

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5db5a47
Link against python3t.lib
encukou Apr 17, 2026
1153d48
Add ABI3T_COMPAT_DLLNAME
encukou Apr 21, 2026
fda3900
Build abi3t-compat\python3t.dll
encukou Apr 21, 2026
96676cf
Add abi3tcompat to MSI installer
encukou Apr 22, 2026
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Build abi3t-compat\python3t.dll
  • Loading branch information
@encukou
encukou committed Apr 23, 2026
commit fda3900aa8752b17551a5ed8c8cd61057969511f
113 changes: 113 additions & 0 deletions PCbuild/abi3t-compat.vcxproj
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<?xml version="1.0" encoding="utf-8"?>
<Project DefaultTargets="Build" ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
<ItemGroup Label="ProjectConfigurations">
<ProjectConfiguration Include="Debug|ARM">
<Configuration>Debug</Configuration>
<Platform>ARM</Platform>
</ProjectConfiguration>
<ProjectConfiguration Include="Debug|ARM64">
<Configuration>Debug</Configuration>
<Platform>ARM64</Platform>
</ProjectConfiguration>
<ProjectConfiguration Include="Debug|Win32">
<Configuration>Debug</Configuration>
<Platform>Win32</Platform>
</ProjectConfiguration>
<ProjectConfiguration Include="Debug|x64">
<Configuration>Debug</Configuration>
<Platform>x64</Platform>
</ProjectConfiguration>
<ProjectConfiguration Include="PGInstrument|ARM">
<Configuration>PGInstrument</Configuration>
<Platform>ARM</Platform>
</ProjectConfiguration>
<ProjectConfiguration Include="PGInstrument|ARM64">
<Configuration>PGInstrument</Configuration>
<Platform>ARM64</Platform>
</ProjectConfiguration>
<ProjectConfiguration Include="PGInstrument|Win32">
<Configuration>PGInstrument</Configuration>
<Platform>Win32</Platform>
</ProjectConfiguration>
<ProjectConfiguration Include="PGInstrument|x64">
<Configuration>PGInstrument</Configuration>
<Platform>x64</Platform>
</ProjectConfiguration>
<ProjectConfiguration Include="PGUpdate|ARM">
<Configuration>PGUpdate</Configuration>
<Platform>ARM</Platform>
</ProjectConfiguration>
<ProjectConfiguration Include="PGUpdate|ARM64">
<Configuration>PGUpdate</Configuration>
<Platform>ARM64</Platform>
</ProjectConfiguration>
<ProjectConfiguration Include="PGUpdate|Win32">
<Configuration>PGUpdate</Configuration>
<Platform>Win32</Platform>
</ProjectConfiguration>
<ProjectConfiguration Include="PGUpdate|x64">
<Configuration>PGUpdate</Configuration>
<Platform>x64</Platform>
</ProjectConfiguration>
<ProjectConfiguration Include="Release|ARM">
<Configuration>Release</Configuration>
<Platform>ARM</Platform>
</ProjectConfiguration>
<ProjectConfiguration Include="Release|ARM64">
<Configuration>Release</Configuration>
<Platform>ARM64</Platform>
</ProjectConfiguration>
<ProjectConfiguration Include="Release|Win32">
<Configuration>Release</Configuration>
<Platform>Win32</Platform>
</ProjectConfiguration>
<ProjectConfiguration Include="Release|x64">
<Configuration>Release</Configuration>
<Platform>x64</Platform>
</ProjectConfiguration>
</ItemGroup>
<PropertyGroup Label="Globals">
<ProjectGuid>{947BB5F5-6025-4A4F-8182-1B175469F8D2}</ProjectGuid>
<RootNamespace>abi3t-compat</RootNamespace>
<Keyword>Win32Proj</Keyword>
<SupportPGO>false</SupportPGO>
</PropertyGroup>
<Import Project="python.props" />
<Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
<PropertyGroup Label="Configuration">
<TargetName>$(PyAbi3tCompatDllName)</TargetName>
<ConfigurationType>DynamicLibrary</ConfigurationType>
</PropertyGroup>
<Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
<ImportGroup Label="ExtensionSettings">
</ImportGroup>
<ImportGroup Label="PropertySheets">
<Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
<Import Project="pyproject.props" />
</ImportGroup>
<PropertyGroup Label="UserMacros" />
<PropertyGroup>
<_ProjectFileVersion>10.0.30319.1</_ProjectFileVersion>
</PropertyGroup>
<PropertyGroup>
<OutDir>$(BuildPath)$(PyAbi3tCompatDllDir)\</OutDir>
</PropertyGroup>
<ItemDefinitionGroup>
<ClCompile>
<PreprocessorDefinitions>PYTHON_DLL_NAME="$(PyDllName)";%(PreprocessorDefinitions)</PreprocessorDefinitions>
<BufferSecurityCheck>false</BufferSecurityCheck>
</ClCompile>
<Link>
<NoEntryPoint>true</NoEntryPoint>
</Link>
</ItemDefinitionGroup>
<ItemGroup>
<ClCompile Include="..\PC\python3dll.c" />
</ItemGroup>
<ItemGroup>
<ResourceCompile Include="..\PC\python_nt.rc" />
</ItemGroup>
<Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
<ImportGroup Label="ExtensionTargets">
</ImportGroup>
</Project>
23 changes: 23 additions & 0 deletions PCbuild/abi3t-compat.vcxproj.filters
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<?xml version="1.0" encoding="utf-8"?>
<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
<ItemGroup>
<Filter Include="Source Files">
<UniqueIdentifier>{4FC737F1-C7A5-4376-A066-2A32D752A2FF}</UniqueIdentifier>
<Extensions>cpp;c;cc;cxx;def;odl;idl;hpj;bat;asm;asmx</Extensions>
</Filter>
<Filter Include="Resource Files">
<UniqueIdentifier>{67DA6AB6-F800-4c08-8B7A-83BB121AAD01}</UniqueIdentifier>
<Extensions>rc;ico;cur;bmp;dlg;rc2;rct;bin;rgs;gif;jpg;jpeg;jpe;resx;tiff;tif;png;wav</Extensions>
</Filter>
</ItemGroup>
<ItemGroup>
<ClCompile Include="..\PC\python3dll.c">
<Filter>Source Files</Filter>
</ClCompile>
</ItemGroup>
<ItemGroup>
<ResourceCompile Include="..\PC\python_nt.rc">
<Filter>Resource Files</Filter>
</ResourceCompile>
</ItemGroup>
</Project>
2 changes: 2 additions & 0 deletions PCbuild/pcbuild.proj
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Expand Up @@ -61,6 +61,8 @@
</Projects>
<!-- python3.dll -->
<Projects Include="python3dll.vcxproj" />
<!-- abi3t-compat\python3t.dll -->
<Projects Include="abi3t-compat.vcxproj" />
<!-- py[w].exe -->
<Projects Include="pylauncher.vcxproj;pywlauncher.vcxproj" />
<!-- pyshellext.dll -->
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35 changes: 35 additions & 0 deletions PCbuild/pcbuild.sln
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Expand Up @@ -33,6 +33,7 @@ Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "python", "python.vcxproj",
{78D80A15-BD8C-44E2-B49E-1F05B0A0A687} = {78D80A15-BD8C-44E2-B49E-1F05B0A0A687}
{86937F53-C189-40EF-8CE8-8759D8E7D480} = {86937F53-C189-40EF-8CE8-8759D8E7D480}
{885D4898-D08D-4091-9C40-C700CFE3FC5A} = {885D4898-D08D-4091-9C40-C700CFE3FC5A}
{947BB5F5-6025-4A4F-8182-1B175469F8D2} = {947BB5F5-6025-4A4F-8182-1B175469F8D2}
{900342D7-516A-4469-B1AD-59A66E49A25F} = {900342D7-516A-4469-B1AD-59A66E49A25F}
{9E48B300-37D1-11DD-8C41-005056C00008} = {9E48B300-37D1-11DD-8C41-005056C00008}
{9EC7190A-249F-4180-A900-548FDCF3055F} = {9EC7190A-249F-4180-A900-548FDCF3055F}
Expand Down Expand Up @@ -104,6 +105,8 @@ Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "_multiprocessing", "_multip
EndProject
Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "python3dll", "python3dll.vcxproj", "{885D4898-D08D-4091-9C40-C700CFE3FC5A}"
EndProject
Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "abi3t-compat", "abi3t-compat.vcxproj", "{947BB5F5-6025-4A4F-8182-1B175469F8D2}"
EndProject
Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "xxlimited", "xxlimited.vcxproj", "{F749B822-B489-4CA5-A3AD-CE078F5F338A}"
EndProject
Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "_testbuffer", "_testbuffer.vcxproj", "{A2697BD3-28C1-4AEC-9106-8B748639FD16}"
Expand Down Expand Up @@ -984,6 +987,38 @@ Global
{885D4898-D08D-4091-9C40-C700CFE3FC5A}.Release|Win32.Build.0 = Release|Win32
{885D4898-D08D-4091-9C40-C700CFE3FC5A}.Release|x64.ActiveCfg = Release|x64
{885D4898-D08D-4091-9C40-C700CFE3FC5A}.Release|x64.Build.0 = Release|x64
{947BB5F5-6025-4A4F-8182-1B175469F8D2}.Debug|ARM.ActiveCfg = Debug|ARM
{947BB5F5-6025-4A4F-8182-1B175469F8D2}.Debug|ARM.Build.0 = Debug|ARM
{947BB5F5-6025-4A4F-8182-1B175469F8D2}.Debug|ARM64.ActiveCfg = Debug|ARM64
{947BB5F5-6025-4A4F-8182-1B175469F8D2}.Debug|ARM64.Build.0 = Debug|ARM64
{947BB5F5-6025-4A4F-8182-1B175469F8D2}.Debug|Win32.ActiveCfg = Debug|Win32
{947BB5F5-6025-4A4F-8182-1B175469F8D2}.Debug|Win32.Build.0 = Debug|Win32
{947BB5F5-6025-4A4F-8182-1B175469F8D2}.Debug|x64.ActiveCfg = Debug|x64
{947BB5F5-6025-4A4F-8182-1B175469F8D2}.Debug|x64.Build.0 = Debug|x64
{947BB5F5-6025-4A4F-8182-1B175469F8D2}.PGInstrument|ARM.ActiveCfg = PGInstrument|ARM
{947BB5F5-6025-4A4F-8182-1B175469F8D2}.PGInstrument|ARM.Build.0 = PGInstrument|ARM
{947BB5F5-6025-4A4F-8182-1B175469F8D2}.PGInstrument|ARM64.ActiveCfg = PGInstrument|ARM64
{947BB5F5-6025-4A4F-8182-1B175469F8D2}.PGInstrument|ARM64.Build.0 = PGInstrument|ARM64
{947BB5F5-6025-4A4F-8182-1B175469F8D2}.PGInstrument|Win32.ActiveCfg = Debug|Win32
{947BB5F5-6025-4A4F-8182-1B175469F8D2}.PGInstrument|Win32.Build.0 = Debug|Win32
{947BB5F5-6025-4A4F-8182-1B175469F8D2}.PGInstrument|x64.ActiveCfg = Debug|x64
{947BB5F5-6025-4A4F-8182-1B175469F8D2}.PGInstrument|x64.Build.0 = Debug|x64
{947BB5F5-6025-4A4F-8182-1B175469F8D2}.PGUpdate|ARM.ActiveCfg = PGUpdate|ARM
{947BB5F5-6025-4A4F-8182-1B175469F8D2}.PGUpdate|ARM.Build.0 = PGUpdate|ARM
{947BB5F5-6025-4A4F-8182-1B175469F8D2}.PGUpdate|ARM64.ActiveCfg = PGUpdate|ARM64
{947BB5F5-6025-4A4F-8182-1B175469F8D2}.PGUpdate|ARM64.Build.0 = PGUpdate|ARM64
{947BB5F5-6025-4A4F-8182-1B175469F8D2}.PGUpdate|Win32.ActiveCfg = Debug|Win32
{947BB5F5-6025-4A4F-8182-1B175469F8D2}.PGUpdate|Win32.Build.0 = Debug|Win32
{947BB5F5-6025-4A4F-8182-1B175469F8D2}.PGUpdate|x64.ActiveCfg = Debug|x64
{947BB5F5-6025-4A4F-8182-1B175469F8D2}.PGUpdate|x64.Build.0 = Debug|x64
{947BB5F5-6025-4A4F-8182-1B175469F8D2}.Release|ARM.ActiveCfg = Release|ARM
{947BB5F5-6025-4A4F-8182-1B175469F8D2}.Release|ARM.Build.0 = Release|ARM
{947BB5F5-6025-4A4F-8182-1B175469F8D2}.Release|ARM64.ActiveCfg = Release|ARM64
{947BB5F5-6025-4A4F-8182-1B175469F8D2}.Release|ARM64.Build.0 = Release|ARM64
{947BB5F5-6025-4A4F-8182-1B175469F8D2}.Release|Win32.ActiveCfg = Release|Win32
{947BB5F5-6025-4A4F-8182-1B175469F8D2}.Release|Win32.Build.0 = Release|Win32
{947BB5F5-6025-4A4F-8182-1B175469F8D2}.Release|x64.ActiveCfg = Release|x64
{947BB5F5-6025-4A4F-8182-1B175469F8D2}.Release|x64.Build.0 = Release|x64
{F749B822-B489-4CA5-A3AD-CE078F5F338A}.Debug|ARM.ActiveCfg = Debug|ARM
{F749B822-B489-4CA5-A3AD-CE078F5F338A}.Debug|ARM64.ActiveCfg = Debug|ARM64
{F749B822-B489-4CA5-A3AD-CE078F5F338A}.Debug|Win32.ActiveCfg = Release|Win32
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2 changes: 1 addition & 1 deletion PCbuild/pyproject.props
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Expand Up @@ -49,7 +49,7 @@
<_PlatformPreprocessorDefinition Condition="$(Platform) == 'x64'">_WIN64;</_PlatformPreprocessorDefinition>
<_PlatformPreprocessorDefinition Condition="$(Platform) == 'x64' and $(PlatformToolset) != 'ClangCL'">_M_X64;$(_PlatformPreprocessorDefinition)</_PlatformPreprocessorDefinition>
<_Py3NamePreprocessorDefinition>PY3_DLLNAME=L"$(Py3DllName)$(PyDebugExt)";</_Py3NamePreprocessorDefinition>
<_Abi3tCompatDllNamePreprocessorDefinition Condition="$(DisableGil) != 'true'">ABI3T_COMPAT_DLLNAME=L"$(PyAbi3tCompat3DllName)$(PyDebugExt)";</_Abi3tCompatDllNamePreprocessorDefinition>
<_Abi3tCompatDllNamePreprocessorDefinition Condition="$(DisableGil) != 'true'">ABI3T_COMPAT_DLLNAME=L"$(PyAbi3tCompatDllDir)\\$(PyAbi3tCompatDllName)$(PyDebugExt)";</_Abi3tCompatDllNamePreprocessorDefinition>
<_FreeThreadedPreprocessorDefinition Condition="$(DisableGil) == 'true'">Py_GIL_DISABLED=1;</_FreeThreadedPreprocessorDefinition>
<_PymallocHugepagesPreprocessorDefinition Condition="$(UsePymallocHugepages) == 'true'">PYMALLOC_USE_HUGEPAGES=1;</_PymallocHugepagesPreprocessorDefinition>
</PropertyGroup>
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3 changes: 3 additions & 0 deletions PCbuild/python.props
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Expand Up @@ -244,6 +244,9 @@
<!-- The name of the resulting pythonX.dll (without the extension) -->
<Py3DllName Condition="$(DisableGil) == 'true'">python3t</Py3DllName>
<Py3DllName Condition="$(Py3DllName) == ''">python3</Py3DllName>
<!-- The directory & name (without extension) of abi3t-compat\pythonXt.dll -->
<PyAbi3tCompatDllDir>abi3t-compat</PyAbi3tCompatDllDir>
<PyAbi3tCompatDllName>python3t</PyAbi3tCompatDllName>

<!-- The version and platform tag to include in .pyd filenames -->
<PydTag Condition="$(ArchName) == 'win32'">.cp$(MajorVersionNumber)$(MinorVersionNumber)-win32</PydTag>
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