Microsoft.Android.Sdk.ILLink.targets

<!--
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Microsoft.Android.Sdk.ILLink.targets

This file contains the .NET 5-specific targets to customize ILLink

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-->

<Project xmlns="http://schemas.microsoft.com/developer/msbuild/2003">

  <Target Name="_PrepareLinking"
      Condition=" '$(PublishTrimmed)' == 'true' "
      AfterTargets="ComputeResolvedFilesToPublishList"
      DependsOnTargets="GetReferenceAssemblyPaths;_CreatePropertiesCache">
    <ItemGroup>
      <RuntimeHostConfigurationOption Include="Android.Runtime.AndroidEnvironment.VSAndroidDesignerIsEnabled"
          Condition="'$(VSAndroidDesigner)' != ''"
          Value="$(VSAndroidDesigner)"
          Trim="true" />
      <!-- Mark all assemblies to be linked for AndroidLinkMode=Full -->
      <ResolvedFileToPublish
          Update="@(ResolvedFileToPublish)"
          Condition=" '$(AndroidLinkMode)' == 'Full' and '%(ResolvedFileToPublish.Extension)' == '.dll' and '%(ResolvedFileToPublish.AssetType)' != 'native' "
          TrimMode="link"
      />
      <!-- TODO: remove setting the trim mode here, once the support packages are updated to NET6 and compatability packages not needed -->
      <ResolvedFileToPublish
          Condition=" '$(AndroidLinkMode)' == 'SdkOnly' and ( $([System.String]::Copy(%(Filename)).StartsWith ('Xamarin.AndroidX.')) or $([System.String]::Copy(%(Filename)).StartsWith ('Xamarin.Android.Support.')) or $([System.String]::Copy(%(Filename)).StartsWith ('Xamarin.Google.')) or $([System.String]::Copy(%(Filename)).StartsWith ('Xamarin.GooglePlayServices.')) ) ">
        <TrimMode>link</TrimMode>
      </ResolvedFileToPublish>
      <!-- Mark our entry assembly as a root assembly. -->
      <TrimmerRootAssembly Include="@(ResolvedFileToPublish)" Condition=" '%(ResolvedFileToPublish.Filename)' == '$(AssemblyName)' and '%(ResolvedFileToPublish.Extension)' == '.dll' " />
    </ItemGroup>
    <PropertyGroup>
      <!-- make the output verbose to see what the linker is doing. FIXME: make dependent upon verbosity level -->
      <_ExtraTrimmerArgs>$(_ExtraTrimmerArgs) --verbose --deterministic --custom-data XATargetFrameworkDirectories="$(_XATargetFrameworkDirectories)"</_ExtraTrimmerArgs>
      <_AdditionalTaskAssemblyDirectory>$(XamarinSdkRootDirectory)tools/dotnet-linker/</_AdditionalTaskAssemblyDirectory>
      <_AdditionalTaskAssembly>$(_AdditionalTaskAssemblyDirectory)dotnet-linker.dll</_AdditionalTaskAssembly>
    </PropertyGroup>
    <PropertyGroup
        Condition=" '$(AndroidAddKeepAlives)' != '' ">
      <_ExtraTrimmerArgs>$(_ExtraTrimmerArgs) --custom-data AddKeepAlivesStep="$(AndroidAddKeepAlives)"</_ExtraTrimmerArgs>
    </PropertyGroup>
    <PropertyGroup
        Condition=" '$(_ProguardProjectConfiguration)' != '' ">
      <_ExtraTrimmerArgs>$(_ExtraTrimmerArgs) --custom-data ProguardConfiguration="$(_ProguardProjectConfiguration)"</_ExtraTrimmerArgs>
    </PropertyGroup>
    <PropertyGroup
        Condition=" '$(AndroidLinkResources)' != '' ">
      <_ExtraTrimmerArgs>$(_ExtraTrimmerArgs) --custom-data AndroidLinkResources="$(AndroidLinkResources)"</_ExtraTrimmerArgs>
    </PropertyGroup>
    <PropertyGroup
        Condition=" '$(LinkerDumpDependencies)' == 'true' ">
      <_ExtraTrimmerArgs>--dump-dependencies $(_ExtraTrimmerArgs)"</_ExtraTrimmerArgs>
    </PropertyGroup>
    <ItemGroup>
      <!-- add our custom steps -->
      <_TrimmerCustomSteps Include="$(MSBuildThisFileDirectory)..\tools\Microsoft.Android.Sdk.ILLink.dll">
        <BeforeStep>MarkStep</BeforeStep>
        <Type>Microsoft.Android.Sdk.ILLink.SetupStep</Type>
      </_TrimmerCustomSteps>
    </ItemGroup>
    <ItemGroup>
      <_PreserveLists Include="$(MSBuildThisFileDirectory)..\PreserveLists\*.xml" />
      <TrimmerRootDescriptor
          Condition=" '@(ResolvedFileToPublish->Count())' != '0' and '%(Filename)' != '' "
          Include="@(_PreserveLists)" />
      <TrimmerRootDescriptor Include="@(LinkDescription)" />
    </ItemGroup>
  </Target>

  <Target Name="_LinkAssemblies"
      DependsOnTargets="_ResolveAssemblies;_CreatePackageWorkspace;$(_BeforeLinkAssemblies);_GenerateJniMarshalMethods;_LinkAssembliesNoShrink"
  />

  <Target Name="_TouchAndroidLinkFlag"
      AfterTargets="ILLink"
      Condition=" '$(PublishTrimmed)' == 'true' and Exists('$(_LinkSemaphore)') "
      Inputs="$(_LinkSemaphore)"
      Outputs="$(_AndroidLinkFlag)">
    <!-- This file is an input for _RemoveRegisterAttribute -->
    <Touch Files="$(_AndroidLinkFlag)" AlwaysCreate="true" />
  </Target>

</Project>