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[TrimmableTypeMap] Package CoreCLR preserve list in SDK pack - #11142
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simonrozsival merged 1 commit intoApr 18, 2026
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The trimmable typemap's CoreCLR preserve list (Trimmable.CoreCLR.xml) was not reliably packaged in the Microsoft.Android.Sdk pack. It lived in src/Microsoft.Android.Sdk.ILLink/PreserveLists/ but was only visible to the ILLink project — the Sdk pack picked files from src/Xamarin.Android.Build.Tasks/Microsoft.Android.Sdk/PreserveLists/. Changes: * build-tools/create-packs/Microsoft.Android.Sdk.proj: include src/Microsoft.Android.Sdk.ILLink/PreserveLists/**. * src/Microsoft.Android.Sdk.ILLink/Microsoft.Android.Sdk.ILLink.csproj: link the SDK-local PreserveLists into the project's output so local inner-builds see the same files as the CI SDK pack. * Add TrimmableTypeMap_PreserveList_IsPackagedInSdk regression test asserting Trimmable.CoreCLR.xml is present in the preview SDK pack. Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
This was referenced Apr 17, 2026
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Pull request overview
Fixes SDK pack contents so the trimmable typemap’s CoreCLR trimmer descriptor is consistently available both in CI-produced packs and local inner builds of the SDK pack.
Changes:
- Package
src/Xamarin.Android.Build.Tasks/Microsoft.Android.Sdk/PreserveLists/**into theMicrosoft.Android.Sdk.*pack underPreserveLists/. - Copy/link SDK-local
PreserveLists/*.xmlintoMicrosoft.Android.Sdk.ILLinkoutput so local inner builds match pack contents. - Add a regression test asserting
PreserveLists/Trimmable.CoreCLR.xmlexists in the preview SDK pack.
Reviewed changes
Copilot reviewed 3 out of 3 changed files in this pull request and generated no comments.
| File | Description |
|---|---|
| src/Xamarin.Android.Build.Tasks/Tests/Xamarin.Android.Build.Tests/TrimmableTypeMapBuildTests.cs | Adds regression test validating Trimmable.CoreCLR.xml is present in the SDK pack. |
| src/Microsoft.Android.Sdk.ILLink/Microsoft.Android.Sdk.ILLink.csproj | Copies SDK PreserveLists XMLs into the local pack output layout for inner builds. |
| build-tools/create-packs/Microsoft.Android.Sdk.proj | Ensures SDK PreserveLists are included in the generated SDK pack. |
This was referenced Apr 17, 2026
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simonrozsival
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April 18, 2026 07:21
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Part 1 of the split of #11091
Problem
The trimmable typemap's CoreCLR preserve list (
Trimmable.CoreCLR.xml) was not reliably packaged in theMicrosoft.Android.Sdkpack. The file lives insrc/Microsoft.Android.Sdk.ILLink/PreserveLists/but the SDK-pack glob only reachedsrc/Xamarin.Android.Build.Tasks/Microsoft.Android.Sdk/PreserveLists/. Local inner builds also saw a different file set than CI.Fix
build-tools/create-packs/Microsoft.Android.Sdk.proj: includesrc/Microsoft.Android.Sdk.ILLink/PreserveLists/**in the pack.src/Microsoft.Android.Sdk.ILLink/Microsoft.Android.Sdk.ILLink.csproj: link the SDK-local PreserveLists into the project output so local inner builds see the same files as the CI SDK pack.TrimmableTypeMap_PreserveList_IsPackagedInSdkregression test that assertsTrimmable.CoreCLR.xmlis present in the preview SDK pack.Scope
Pure packaging fix — 3 files, 14 insertions.