Directory.Build.targets

<Project>

  <Import Project="$(MSBuildThisFileDirectory)/.build/dependencies.props" Condition="Exists('$(MSBuildThisFileDirectory)/.build/dependencies.props')" />

  <PropertyGroup Label="Solution-level Publish to Project-specific Directory">
    <PublishDir Condition="'$(AlternatePublishRootDirectory)' != ''">$(AlternatePublishRootDirectory)/$(TargetFramework)/$(MSBuildProjectName)/</PublishDir>
  </PropertyGroup>
  
  <!-- Features in .NET Standard, .NET Core, .NET 5.x, .NET 6.x, .NET 8.x and .NET 9.x only (no .NET Framework support) -->
  <PropertyGroup Condition=" $(TargetFramework.StartsWith('netstandard')) Or $(TargetFramework.StartsWith('netcoreapp')) Or $(TargetFramework.StartsWith('net5.')) Or $(TargetFramework.StartsWith('net6.')) Or $(TargetFramework.StartsWith('net8.')) Or $(TargetFramework.StartsWith('net9.')) ">
    <DefineConstants>$(DefineConstants);NETSTANDARD</DefineConstants>
    <DebugType>portable</DebugType>
  </PropertyGroup>

  <!-- Features in .NET Framework 4+, .NET Standard 2.x, .NET Core 2.x, .NET Core 3.x, .NET 5.x, .NET 6.x, .NET 8.x (No .NET 9+ support) -->
  <PropertyGroup Condition=" $(TargetFramework.StartsWith('net4')) Or $(TargetFramework.StartsWith('netstandard2.')) Or $(TargetFramework.StartsWith('netcoreapp2.')) Or $(TargetFramework.StartsWith('netcoreapp3.')) Or $(TargetFramework.StartsWith('net5.')) Or $(TargetFramework.StartsWith('net6.')) Or $(TargetFramework.StartsWith('net8.')) ">

    <DefineConstants>$(DefineConstants);FEATURE_SERIALIZABLE</DefineConstants>

  </PropertyGroup>

  <!-- Features in .NET Framework 4+ only -->
  <PropertyGroup Condition="$(TargetFramework.StartsWith('net4'))">
    <DebugType>full</DebugType>
  </PropertyGroup>

  <PropertyGroup>
    <!-- NuGet.org only supports portable debug symbol format: 
         https://docs.microsoft.com/en-us/nuget/create-packages/symbol-packages-snupkg#nugetorg-symbol-package-constraints -->
    <DebugType Condition=" '$(PortableDebugTypeOnly)' == 'true' ">portable</DebugType>
  </PropertyGroup>

  <Target Name="AddInternalsVisibleTo" BeforeTargets="BeforeCompile" Label="Adds InternalsVisibleTo Attribute and PublicKey (if supplied)">
    <ItemGroup Condition="'@(InternalsVisibleTo->Count())' &gt; 0 ">
      <AssemblyAttribute Include="System.Runtime.CompilerServices.InternalsVisibleTo">
        <_Parameter1>%(InternalsVisibleTo.Identity)</_Parameter1>
        <_Parameter1 Condition=" '$(SignAssembly)' == 'true' And '$(PublicKey)' != '' ">%(InternalsVisibleTo.Identity), PublicKey=$(PublicKey)</_Parameter1>
      </AssemblyAttribute>
    </ItemGroup>
  </Target>

  <Target Name="PrintTargetFrameworks" Label="Prints the value for the $(TargetFrameworks) property or 'none' if no frameworks apply. Pass TestProjectsOnly=true to get results only if this is a test project.">
    <PropertyGroup>
      <DoOutputTargetFrameworks Condition=" '$(TestProjectsOnly)' != 'true' Or ('$(TestProjectsOnly)' == 'true' And '$(IsTestProject)' == 'true')">true</DoOutputTargetFrameworks>
      <OutputTargetFrameworks Condition=" '$(DoOutputTargetFrameworks)' == 'true' ">$(TargetFramework)</OutputTargetFrameworks>
      <!-- Fallback to TargetFrameworks field if TargetFramework is empty -->
      <OutputTargetFrameworks Condition=" '$(DoOutputTargetFrameworks)' == 'true' And '$(OutputTargetFrameworks)' == '' ">$(TargetFrameworks)</OutputTargetFrameworks>
      <OutputTargetFrameworks Condition=" '$(OutputTargetFrameworks)' == '' ">none</OutputTargetFrameworks>
    </PropertyGroup>
    <Message Text="$(OutputTargetFrameworks)" Importance="high"/>
  </Target>

  <!-- Global PackageReferences -->

  <ItemGroup Condition="$(TargetFramework.StartsWith('net4'))">
    <!-- This is to allow the .NET Framework references to be machine-indepenedent so builds can happen without installing prerequisites -->
    <PackageReference Include="Microsoft.NETFramework.ReferenceAssemblies" Version="$(MicrosoftNETFrameworkReferenceAssembliesPackageReferenceVersion)" PrivateAssets="All" />
  </ItemGroup>

  <!-- This is for testing only, we use SourceLink from any Azure DevOps git repo -->
  <ItemGroup Condition=" '$(BUILD_REPOSITORY_PROVIDER)' == 'TfsGit' " Label="SourceLink Packages (experimental Azure Repos)">
    <PackageReference Include="Microsoft.SourceLink.AzureRepos.Git" Version="$(MicrosoftSourceLinkAzureReposGitPackageReferenceVersion)" PrivateAssets="All"/>
  </ItemGroup>

  <ItemGroup Condition=" '$(BUILD_REPOSITORY_PROVIDER)' == 'GitHub' " Label="SourceLink Packages (main repo)">
    <PackageReference Include="Microsoft.SourceLink.GitHub" Version="$(MicrosoftSourceLinkGitHubPackageReferenceVersion)" PrivateAssets="All"/>
  </ItemGroup>

  <ItemGroup Condition=" '$(SkipGitVersioning.ToLower())' != 'true' And '$(TF_BUILD.ToLower())' != 'true' ">
    <PackageReference Include="Nerdbank.GitVersioning" Version="$(NerdBankGitVersioningPackageReferenceVersion)" PrivateAssets="All" />
  </ItemGroup>

</Project>