aspnetcore/eng/tools/GenerateFiles/GenerateFiles.csproj

<Project Sdk="Microsoft.NET.Sdk">
  <PropertyGroup>
    <!-- Use fixed version instead of $(DefaultNetCoreTargetFramework) to avoid needing workarounds set up here. -->
    <TargetFramework>net5.0</TargetFramework>
  </PropertyGroup>

  <ItemGroup>
    <PackageReference Include="Microsoft.DotNet.Build.Tasks.Templating" PrivateAssets="All" Version="$(MicrosoftDotNetBuildTasksTemplatingVersion)" IsImplicitlyDefined="true" />
  </ItemGroup>

  <!-- Update artifacts/bin/GenerateFiles/Directory.Build.* files. -->
  <Target Name="GenerateDirectoryBuildFiles">
    <PropertyGroup>
      <_TemplateProperties>
        DefaultNetCoreTargetFramework=$(DefaultNetCoreTargetFramework);
        MicrosoftAspNetCoreAppRefVersion=$(TargetingPackVersion);
        MicrosoftAspNetCoreAppRuntimeVersion=$(SharedFxVersion);
        MicrosoftNETCoreAppRefVersion=$(MicrosoftNETCoreAppRefVersion);
        MicrosoftNETCoreAppRuntimeVersion=$(MicrosoftNETCoreAppRuntimeVersion);
        SupportedRuntimeIdentifiers=$(SupportedRuntimeIdentifiers.Trim())
      </_TemplateProperties>
    </PropertyGroup>

    <MakeDir Directories="$(BaseOutputPath)" />

    <Message Importance="High" Text="$(MSBuildProjectName) -&gt; $(BaseOutputPath)Directory.Build.props" />
    <GenerateFileFromTemplate TemplateFile="$(MSBuildThisFileDirectory)Directory.Build.props.in"
      Properties="$(_TemplateProperties)"
      OutputPath="$(BaseOutputPath)Directory.Build.props" />

    <Message Importance="High" Text="$(MSBuildProjectName) -&gt; $(BaseOutputPath)Directory.Build.targets" />
    <GenerateFileFromTemplate TemplateFile="$(MSBuildThisFileDirectory)Directory.Build.targets.in"
      Properties="$(_TemplateProperties)"
      OutputPath="$(BaseOutputPath)Directory.Build.targets" />
  </Target>
</Project>