process cases of ALT as special rules

test/StgSharpDebug/StgSharpDebug.csproj

@@ -2,6 +2,10 @@
 
     <PropertyGroup>
         <OutputType>Exe</OutputType>
+        <BuildNativeBeforeManaged>true</BuildNativeBeforeManaged>
+        <RequireNativeLibrary>true</RequireNativeLibrary>
+        <!-- Let MSBuild run the incremental CMake build even when managed inputs are unchanged. -->
+        <DisableFastUpToDateCheck>true</DisableFastUpToDateCheck>
     </PropertyGroup>
 
 
@@ -9,6 +13,11 @@
         <None Remove="SSG_errorlog.log" />
     </ItemGroup>
 
+    <ItemGroup>
+        <!-- The debug host calls the emitter directly and needs Roslyn at runtime. -->
+        <PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="4.13.0" />
+    </ItemGroup>
+
     <ItemGroup>
       <ProjectReference Include="..\..\src\Nitload.Common\Nitload.Common.csproj" />
       <ProjectReference Include="..\..\src\Nitload.Graphics\Nitload.Graphics.csproj" />
@@ -18,4 +27,3 @@
     </ItemGroup>
 
 </Project>
-