xamarin-macios/msbuild/ILMerge.targets

<?xml version="1.0" encoding="utf-8"?>
<Project xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
  <PropertyGroup>
    <CopyLocalLockFileAssemblies>true</CopyLocalLockFileAssemblies>
  </PropertyGroup>

  <ItemGroup>
    <!-- <PackageReference Include="ILRepack" Version="2.0.18" /> -->
    <!-- The current version of ILRepack can't handle portable pdbs. This will be fixed when https://github.com/gluck/il-repack/pull/236 is merged and an updated NuGet is available -->
    <!-- In the meantime use an ILRepack fork which has the fix already -->
    <PackageReference Include="ILRepack.MSBuild.Task" Version="2.0.13" />
  </ItemGroup>
  <PropertyGroup>
    <!-- Unfortunately the ILRepack.MSBuild.Task package doesn't define any variables that help us find its ilrepack.exe executable, so manually create this variable (which the IRepack package defines, so remove this workaround can be removed once we switch back to ILRepack) -->
    <ILRepack>$(HOME)/.nuget/packages/ilrepack.msbuild.task/2.0.13/tools/ilrepack.exe</ILRepack>
  </PropertyGroup>

  <Target Name="ILRepack" BeforeTargets="CopyFilesToOutputDirectory" Inputs="@(IntermediateAssembly -&gt; '%(FullPath)')" Outputs="$(IntermediateOutputPath)ilrepack.txt" Returns="@(MergedAssemblies)" Condition="Exists(@(IntermediateAssembly -&gt; '%(FullPath)')) And '$(ILRepack)' != 'false'">
    <ItemGroup>
      <NetstandardPath Include="@(ReferencePath -&gt; '%(RootDir)%(Directory)')" Condition="'%(FileName)%(Extension)' == 'netstandard.dll'" />
    </ItemGroup>
    <PropertyGroup>
      <NetstandardDirectory>@(NetstandardPath)</NetstandardDirectory>
    </PropertyGroup>
    <!-- The assemblies are in a very different place when building for netstandard2.0, which means we need different logic to find them too -->
    <ItemGroup Condition="$(TargetFramework.StartsWith ('netstandard'))">
      <!-- I don't like to have a hard-coded list of assemblies to merge, but I couldn't find a way to calculate it -->
      <MergedAssemblies Include="@(ReferencePath)" Condition="'%(FileName)' == 'Xamarin.MacDev.Tasks.Core'" />
      <MergedAssemblies Include="@(ReferencePath)" Condition="'%(FileName)' == 'Xamarin.MacDev.Tasks'" />
      <MergedAssemblies Include="@(ReferencePath)" Condition="'%(FileName)' == '$(AssemblyName).Core'" /> <!-- Use AssemblyName so that the exact same logic works for both Xamarin.iOS.Tasks.dll and Xamarin.Mac.Tasks.dll -->
      <MergedAssemblies Include="@(ReferencePath)" Condition="'%(FileName)' == 'Xamarin.MacDev'" />

      <MergedAssemblies Include="$(OutputPath)/Microsoft.Bcl.AsyncInterfaces.dll" />
      <MergedAssemblies Include="$(OutputPath)/System.Buffers.dll" />
      <MergedAssemblies Include="$(OutputPath)/System.Memory.dll" />
      <MergedAssemblies Include="$(OutputPath)/System.Numerics.Vectors.dll" />
      <MergedAssemblies Include="$(OutputPath)/System.Runtime.CompilerServices.Unsafe.dll" />
      <MergedAssemblies Include="$(OutputPath)/System.Text.Json.dll" />
      <MergedAssemblies Include="$(OutputPath)/System.Threading.Tasks.Extensions.dll" />
      <MergedAssemblies Include="$(OutputPath)/System.Text.Encodings.Web.dll" />

      <MergedAssemblies Include="@(ReferencePath)" Condition="'%(Extension)' == '.dll' And $([MSBuild]::ValueOrDefault('%(FileName)', '').StartsWith('Mono.Cecil', StringComparison.OrdinalIgnoreCase))" />
    </ItemGroup>
    <ItemGroup Condition="$(TargetFramework.StartsWith ('net4'))">
      <MergedAssemblies Include="@(ReferenceCopyLocalPaths)" Condition="'%(Extension)' == '.dll'
        And !$([MSBuild]::ValueOrDefault('%(FileName)', '').EndsWith('.resources', StringComparison.OrdinalIgnoreCase))
        And !$([MSBuild]::ValueOrDefault('%(FileName)', '').StartsWith('Microsoft.Build.', StringComparison.OrdinalIgnoreCase))
        And !$([MSBuild]::ValueOrDefault('%(FullPath)', '').StartsWith('/Library/Frameworks/Mono.framework', StringComparison.OrdinalIgnoreCase))"
      />
      <MergedAssemblies Include="@(ReferencePath)" Condition="'%(Extension)' == '.dll' And $([MSBuild]::ValueOrDefault('%(FileName)', '').StartsWith('Mono.Cecil', StringComparison.OrdinalIgnoreCase))" />
    </ItemGroup>
    <ItemGroup>
      <ReferenceCopyLocalDirs Include="@(ReferenceCopyLocalPaths -&gt; '%(RootDir)%(Directory)')" />
      <ReferenceCopyLocalPaths Remove="@(MergedAssemblies)" />
      <LibDir Include="@(ReferenceCopyLocalDirs -&gt; Distinct())" />
    </ItemGroup>
    <PropertyGroup>
      <ILRepackArgs Condition="'$(AssemblyOriginatorKeyFile)' != ''">/keyfile:"$(AssemblyOriginatorKeyFile)"</ILRepackArgs>
      <ILRepackArgs>$(ILRepackArgs) @(LibDir -&gt; '/lib:"%(Identity)."', ' ')</ILRepackArgs>
      <ILRepackArgs>$(ILRepackArgs) /out:"@(IntermediateAssembly -&gt; '%(FullPath)')"</ILRepackArgs>
      <ILRepackArgs>$(ILRepackArgs) "@(IntermediateAssembly -&gt; '%(FullPath)')"</ILRepackArgs>
      <ILRepackArgs>$(ILRepackArgs) @(MergedAssemblies -&gt; '"%(FullPath)"', ' ')</ILRepackArgs>
      <ILRepackArgs>$(ILRepackArgs) "/lib:$(NetstandardDirectory)"</ILRepackArgs> <!-- This is needed for ilrepack to find netstandard.dll, which is referenced by the System.Text.Json assembly -->
    </PropertyGroup>
    <Exec Command="&quot;$(ILRepack)&quot; $(ILRepackArgs)" WorkingDirectory="$(MSBuildProjectDirectory)\$(OutputPath)" StandardErrorImportance="high" StandardOutputImportance="low" ConsoleToMSBuild="true" ContinueOnError="true">
      <Output TaskParameter="ConsoleOutput" PropertyName="ILRepackOutput" />
      <Output TaskParameter="ExitCode" PropertyName="ExitCode" />
    </Exec>
    <Message Importance="high" Text="$(ILRepackOutput)" Condition="'$(ExitCode)' != '0'" />
    <Delete Files="$(IntermediateOutputPath)ilrepack.txt" Condition="'$(ExitCode)' != '0'" />
    <Touch AlwaysCreate="true" Files="$(IntermediateOutputPath)ilrepack.txt" Condition="'$(ExitCode)' == '0'" />
    <Error Text="$(ILRepackOutput)" Condition="'$(ExitCode)' != '0' And '$(ContinueOnError)' != 'true'" />
    <Delete Files="@(MergedAssemblies -&gt; '$(MSBuildProjectDirectory)\$(OutputPath)%(Filename)%(Extension)')" Condition="Exists('$(MSBuildProjectDirectory)\$(OutputPath)%(Filename)%(Extension)')" />
  </Target>
</Project>