Directory.Solution.targets

<Project InitialTargets="RemoveProjectsToSkip">
  <!--
    RemoveProjectsToSkip removes projects from the solution if they can't be built.  It determines
    this by calling the ShouldSkipProject target for each project so it can indicate if a project
    cannot be built and why.
  -->
  <Target Name="RemoveProjectsToSkip">
    <MSBuild BuildInParallel="True"
             Properties="BuildingSolutionFile=true; CurrentSolutionConfigurationContents=$(CurrentSolutionConfigurationContents); SolutionDir=$(SolutionDir); SolutionExt=$(SolutionExt); SolutionFileName=$(SolutionFileName); SolutionName=$(SolutionName); SolutionPath=$(SolutionPath);"
             SkipNonexistentProjects="%(ProjectReference.SkipNonexistentProjects)"
             Projects="@(ProjectReference)"
             Targets="ShouldSkipProject">
      <Output TaskParameter="TargetOutputs"
              ItemName="ProjectToSkip" />
    </MSBuild>
    <ItemGroup>
      <ProjectReference Remove="@(ProjectToSkip)" />
    </ItemGroup>
    <Message Text="Skipping project &quot;%(ProjectToSkip.Identity)&quot;. %(ProjectToSkip.Message)"
             Condition="@(ProjectToSkip->Count()) > 0 And '$(MSBuildRestoreSessionId)' == ''"
             Importance="High" />
  </Target>

  <PropertyGroup>
    <!-- The target framework 'net5.0' is out of support and will not receive security updates in the future. -->
    <CheckEolTargetFramework Condition="'$(TargetFramework)' == 'net5.0'">false</CheckEolTargetFramework>
  </PropertyGroup>
</Project>