notSupported.SourceBuild.targets

<Project InitialTargets="_RedefineNotSupportedSourceFile">

  <Target Name="_RedefineNotSupportedSourceFile"
          Condition="'$(DotNetBuildFromSource)' == 'true' and
                     ('$(GeneratePlatformNotSupportedAssembly)' == 'true' or '$(GeneratePlatformNotSupportedAssemblyMessage)' != '')">
                     
    <Error Condition="'$(DotNetSourceBuildIntermediatePath)' == ''" 
           Text="'DotNetSourceBuildIntermediatePath' must be specified when 'DotNetBuildFromSource' is true" />
           
    <PropertyGroup>
      <_notSupportedSourceDirectory>$([MSBuild]::NormalizeDirectory('$(DotNetSourceBuildIntermediatePath)', '$(MSBuildProjectName)', '$(TargetGroup)-$(OSGroup)'))</_notSupportedSourceDirectory>
      <NotSupportedSourceFile>$(_notSupportedSourceDirectory)$(TargetName).notsupported.cs</NotSupportedSourceFile>
    </PropertyGroup>
    
    <MakeDir Condition="'$(OfflineBuild)' != 'true'" Directories="$(_notSupportedSourceDirectory)" />
    
    <Error Condition="'$(OfflineBuild)' == 'true' AND !Exists('$(NotSupportedSourceFile)')"
           Text="Error NotSupportedSourceFile '$(NotSupportedSourceFile)' did not exist under DotNetSourceBuildIntermediatePath." />
    
    <!-- OfflineBuild == true, don't use GenAPI and include source from DotNetSourceBuildIntermediatePath -->  
    <ItemGroup Condition="'$(OfflineBuild)' == 'true'">
      <Compile Include="$(NotSupportedSourceFile)" />
    </ItemGroup>
  </Target>
</Project>