reactive/Ix.NET/Source/Directory.build.targets

<Project>

  <!-- This props all need to be set in targets as they depend on the values set earlier -->
  <PropertyGroup Condition="'$(TargetFramework)' == 'netstandard1.0'">
    <DefineConstants>$(DefineConstants);NO_ARRAY_EMPTY;NO_CODE_COVERAGE_ATTRIBUTE</DefineConstants>
  </PropertyGroup>
  <PropertyGroup Condition="'$(TargetFramework)' == 'netstandard1.4'">
    <DefineConstants>$(DefineConstants);NO_CODE_COVERAGE_ATTRIBUTE</DefineConstants>
  </PropertyGroup>
  <PropertyGroup Condition="'$(TargetFramework)' == 'net45'">
    <DefineConstants>$(DefineConstants);NO_ARRAY_EMPTY;NO_TASK_FROMEXCEPTION</DefineConstants>
  </PropertyGroup>
  <PropertyGroup Condition="'$(TargetFramework)' == 'net46' or '$(TargetFramework)' == 'net461'">
    <DefineConstants>$(DefineConstants);USE_ASYNC_ITERATOR</DefineConstants>
  </PropertyGroup>
  <PropertyGroup Condition="'$(TargetFramework)' == 'netcoreapp3.0' or '$(TargetFramework)' == 'netstandard2.1' or '$(TargetFramework)' == 'netstandard2.0'">
    <DefineConstants>$(DefineConstants);USE_ASYNC_ITERATOR;HAS_ASYNCENUMERABLE;HAS_ASYNCDISPOSABLE;BCL_HAS_CONFIGUREAWAIT;HAS_VALUETUPLE</DefineConstants>
  </PropertyGroup>

  <PropertyGroup>
    <Product>$(AssemblyName) ($(TargetFramework))</Product>
  </PropertyGroup>

</Project>