dotnet-installer/src/SourceBuild/content/build.proj

<Project>
  <Import Project="Sdk.props" Sdk="Microsoft.NET.Sdk" />

  <PropertyGroup>
    <!-- Fake, to satisfy the SDK. -->
    <TargetFramework>netstandard2.0</TargetFramework>
    <DisableImplicitFrameworkReferences>true</DisableImplicitFrameworkReferences>
  </PropertyGroup>

  <Import Project="Sdk.targets" Sdk="Microsoft.NET.Sdk" />

  <Target Name="Build">
    <Message Text="Build Environment: $(TargetArchitecture) $(Configuration) $(TargetOS) $(TargetRid)" Importance="high" />

    <MSBuild Projects="$(ToolsDir)init-build.proj;
                       $(RepoProjectsDir)$(RootRepo).proj"
             Targets="Build"
             BuildInParallel="false"
             StopOnFirstFailure="true" />
  </Target>

  <Import Project="$(RepositoryEngineeringDir)build.sourcebuild.targets" Condition="'$(DotNetBuildFromSource)' == 'true'" />

</Project>