<Compile Include="$(MSBuildThisFileDirectory)System\Progress.cs"/>
<Compile Include="$(MSBuildThisFileDirectory)System\Random.cs"/>
<Compile Include="$(MSBuildThisFileDirectory)System\RankException.cs"/>
- <Compile Include="$(MSBuildThisFileDirectory)System\ReadOnlySpan.cs"/>
+ <Compile Include="$(MSBuildThisFileDirectory)System\ReadOnlySpan.cs" Condition="'$(IsProjectNLibrary)' != 'true'"/>
<Compile Include="$(MSBuildThisFileDirectory)System\Reflection\AmbiguousMatchException.cs" />
<Compile Include="$(MSBuildThisFileDirectory)System\Reflection\Assembly.cs" />
<Compile Include="$(MSBuildThisFileDirectory)System\Reflection\AssemblyAlgorithmIdAttribute.cs" />
<Compile Include="$(MSBuildThisFileDirectory)System\Security\SuppressUnmanagedCodeSecurityAttribute.cs"/>
<Compile Include="$(MSBuildThisFileDirectory)System\Security\UnverifiableCodeAttribute.cs"/>
<Compile Include="$(MSBuildThisFileDirectory)System\Security\VerificationException.cs"/>
- <Compile Include="$(MSBuildThisFileDirectory)System\Span.cs"/>
- <Compile Include="$(MSBuildThisFileDirectory)System\Span.NonGeneric.cs"/>
+ <Compile Include="$(MSBuildThisFileDirectory)System\Span.cs" Condition="'$(IsProjectNLibrary)' != 'true'"/>
+ <Compile Include="$(MSBuildThisFileDirectory)System\Span.NonGeneric.cs" Condition="'$(IsProjectNLibrary)' != 'true'"/>
<Compile Include="$(MSBuildThisFileDirectory)System\StackOverflowException.cs"/>
<Compile Include="$(MSBuildThisFileDirectory)System\StringComparer.cs"/>
<Compile Include="$(MSBuildThisFileDirectory)System\StringComparison.cs"/>