reactive/Ix.NET/Source/refs/Directory.build.props

<Project>  
  
  <Import Project="..\Directory.Build.props" />
  
  <PropertyGroup>
    <!-- This is here so we can create a fake .NET Standard 2.1 facade -->
    <NETStandardMaximumVersion>2.1</NETStandardMaximumVersion>
    <DefineConstants>$(DefineConstants);REFERENCE_ASSEMBLY</DefineConstants>
  </PropertyGroup>

</Project>