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Hybrid CRT for powertys (#42073)

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<!-- Enter a brief description/summary of your PR here. What does it
fix/what does it change/how was it tested (even manually, if necessary)?
-->
## Summary of the Pull Request
<!-- Please review the items on the PR checklist before submitting-->
Hybrid CRT across powertoys for better bundle size

## PR Checklist

- [ ] Closes: #xxx
- [ ] **Communication:** I've discussed this with core contributors
already. If the work hasn't been agreed, this work might be rejected
- [ ] **Tests:** Added/updated and all pass
- [ ] **Localization:** All end-user-facing strings can be localized
- [ ] **Dev docs:** Added/updated
- [ ] **New binaries:** Added on the required places
- [ ] [JSON for
signing](https://github.com/microsoft/PowerToys/blob/main/.pipelines/ESRPSigning_core.json)
for new binaries
- [ ] [WXS for
installer](https://github.com/microsoft/PowerToys/blob/main/installer/PowerToysSetup/Product.wxs)
for new binaries and localization folder
- [ ] [YML for CI
pipeline](https://github.com/microsoft/PowerToys/blob/main/.pipelines/ci/templates/build-powertoys-steps.yml)
for new test projects
- [ ] [YML for signed
pipeline](https://github.com/microsoft/PowerToys/blob/main/.pipelines/release.yml)
- [ ] **Documentation updated:** If checked, please file a pull request
on [our docs
repo](https://github.com/MicrosoftDocs/windows-uwp/tree/docs/hub/powertoys)
and link it here: #xxx

<!-- Provide a more detailed description of the PR, other things fixed,
or any additional comments/features here -->
## Detailed Description of the Pull Request / Additional comments

<!-- Describe how you validated the behavior. Add automated tests
wherever possible, but list manual validation steps taken as well -->
## Validation Steps Performed
Bundle Size comparasion:

| bundle        | Before Hybrid CRT | After Hybrid CRT | diff |
|---------------|-------------------|------------------|------|
| x64-user      | 317M              | 310M             | 7M   |
| x64-machine   | 317M              |310M             | 7M   |
| arm64-user    | 305M              | 299M             | 6M   |
| arm64-machine | 305M              | 299M             | 6M   |


Did verification on a sandbox machine, every module launches as
expected, no dependency issue
This commit is contained in:
Kai Tao
2025-10-24 10:24:39 +08:00
committed by GitHub
parent a69f7fa806
commit c71fdca277
28 changed files with 59 additions and 256 deletions
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52
Cpp.Build.props
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@@ -1,6 +1,56 @@
<?xml version="1.0" encoding="utf-8"?>
<Project ToolsVersion="4.0"
xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
<!-- Hybrid CRT configuration -->
<PropertyGroup Condition="'$(HybridCrtConfiguration)'==''">
<HybridCrtConfiguration>$(Configuration)</HybridCrtConfiguration>
</PropertyGroup>
<!-- Skip Hybrid CRT for AppContainer/UWP projects as they require MultiThreadedDLL -->
<PropertyGroup Condition="'$(AppContainerApplication)'=='true' and '$(_VC_Target_Library_Platform)'!='Desktop'">
<HybridCrtConfiguration></HybridCrtConfiguration>
</PropertyGroup>
<ItemDefinitionGroup Condition="'$(HybridCrtConfiguration)'=='Debug'">
<ClCompile>
<!-- We use MultiThreadedDebug, rather than MultiThreadedDebugDLL, to avoid DLL dependencies on VCRUNTIME140d.dll and MSVCP140d.dll. -->
<RuntimeLibrary>MultiThreadedDebug</RuntimeLibrary>
</ClCompile>
<Link>
<!-- Link statically against the runtime and STL, but link dynamically against the CRT by ignoring the static CRT
lib and instead linking against the Universal CRT DLL import library. This "hybrid" linking mechanism is
supported according to the CRT maintainer. Dynamic linking against the CRT makes the binaries a bit smaller
than they would otherwise be if the CRT, runtime, and STL were all statically linked in. -->
<IgnoreSpecificDefaultLibraries>%(IgnoreSpecificDefaultLibraries);libucrtd.lib</IgnoreSpecificDefaultLibraries>
<AdditionalOptions>%(AdditionalOptions) /defaultlib:ucrtd.lib</AdditionalOptions>
</Link>
</ItemDefinitionGroup>
<ItemDefinitionGroup Condition="'$(HybridCrtConfiguration)'=='Release'">
<ClCompile>
<!-- We use MultiThreaded, rather than MultiThreadedDLL, to avoid DLL dependencies on VCRUNTIME140.dll and MSVCP140.dll. -->
<RuntimeLibrary>MultiThreaded</RuntimeLibrary>
</ClCompile>
<Link>
<!-- Link statically against the runtime and STL, but link dynamically against the CRT by ignoring the static CRT
lib and instead linking against the Universal CRT DLL import library. This "hybrid" linking mechanism is
supported according to the CRT maintainer. Dynamic linking against the CRT makes the binaries a bit smaller
than they would otherwise be if the CRT, runtime, and STL were all statically linked in. -->
<IgnoreSpecificDefaultLibraries>%(IgnoreSpecificDefaultLibraries);libucrt.lib</IgnoreSpecificDefaultLibraries>
<AdditionalOptions>%(AdditionalOptions) /defaultlib:ucrt.lib</AdditionalOptions>
</Link>
</ItemDefinitionGroup>
<!-- AppContainer/UWP projects must use MultiThreadedDLL -->
<ItemDefinitionGroup Condition="'$(AppContainerApplication)'=='true' and '$(_VC_Target_Library_Platform)'!='Desktop' And '$(Configuration)'=='Debug'">
<ClCompile>
<RuntimeLibrary>MultiThreadedDebugDLL</RuntimeLibrary>
</ClCompile>
</ItemDefinitionGroup>
<ItemDefinitionGroup Condition="'$(AppContainerApplication)'=='true' and '$(_VC_Target_Library_Platform)'!='Desktop' And '$(Configuration)'=='Release'">
<ClCompile>
<RuntimeLibrary>MultiThreadedDLL</RuntimeLibrary>
</ClCompile>
</ItemDefinitionGroup>
<!-- Project configurations -->
<ItemGroup Label="ProjectConfigurations">
@@ -73,7 +123,6 @@
<ClCompile>
<PreprocessorDefinitions>_DEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>
<Optimization>Disabled</Optimization>
<RuntimeLibrary>MultiThreadedDebug</RuntimeLibrary>
</ClCompile>
<Link>
<GenerateDebugInformation>true</GenerateDebugInformation>
@@ -83,7 +132,6 @@
<ClCompile>
<PreprocessorDefinitions>NDEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>
<Optimization>MaxSpeed</Optimization>
<RuntimeLibrary>MultiThreaded</RuntimeLibrary>
<FunctionLevelLinking>true</FunctionLevelLinking>
<IntrinsicFunctions>true</IntrinsicFunctions>
</ClCompile>