Set UseMonoRuntime property so the dotnet SDK can pull the mono runtime packs

This is necessary after the changes from dotnet/sdk#16909.

Author: akoeplinger

eng/Subsets.props

@@ -39,6 +39,9 @@
     <RuntimeFlavor Condition="'$(TargetsMobile)' == 'true'">Mono</RuntimeFlavor>
     <RuntimeFlavor Condition="'$(RuntimeFlavor)' == '' and ($(_subset.Contains('+mono+')) or $(_subset.Contains('+mono.runtime+'))) and (!$(_subset.Contains('+clr+')) and !$(_subset.Contains('+clr.runtime+')))">Mono</RuntimeFlavor>
     <RuntimeFlavor Condition="'$(RuntimeFlavor)' == ''">CoreCLR</RuntimeFlavor>
+
+    <!-- this property is used by the SDK to pull in mono-based runtime packs -->
+    <UseMonoRuntime Condition="'$(UseMonoRuntime)' == '' and '$(RuntimeFlavor)' == 'Mono'">true</UseMonoRuntime>
   </PropertyGroup>
 
   <PropertyGroup>

eng/targetingpacks.targets

@@ -15,15 +15,22 @@
   <ItemGroup Condition="'$(UseLocalTargetingRuntimePack)' == 'true'">
     <KnownFrameworkReference Include="$(LocalFrameworkOverrideName)"
                              DefaultRuntimeFrameworkVersion="$(ProductVersion)"
-                             IsTrimmable="true"
                              LatestRuntimeFrameworkVersion="$(ProductVersion)"
                              RuntimeFrameworkName="$(LocalFrameworkOverrideName)"
                              RuntimePackNamePatterns="$(LocalFrameworkOverrideName).Runtime.**RID**"
-                             RuntimePackRuntimeIdentifiers="linux-arm;linux-arm64;linux-musl-arm64;linux-musl-x64;linux-x64;osx-x64;rhel.6-x64;tizen.4.0.0-armel;tizen.5.0.0-armel;win-arm;win-arm64;win-x64;win-x86;linux-musl-arm;ios-arm64;iossimulator-arm64;ios-arm;iossimulator-x64;iossimulator-x86;tvos-arm64;tvossimulator-arm64;tvossimulator-x64;maccatalyst-x64;maccatalyst-arm64;android-arm64;android-arm;android-x64;android-x86;browser-wasm;osx-arm64"
+                             RuntimePackRuntimeIdentifiers="linux-arm;linux-arm64;linux-musl-arm64;linux-musl-x64;linux-x64;osx-x64;rhel.6-x64;tizen.4.0.0-armel;tizen.5.0.0-armel;win-arm;win-arm64;win-x64;win-x86;linux-musl-arm;osx-arm64;maccatalyst-x64;maccatalyst-arm64"
                              TargetFramework="$(NetCoreAppCurrent)"
                              TargetingPackName="$(LocalFrameworkOverrideName).Ref"
                              TargetingPackVersion="$(ProductVersion)"
                              Condition="'@(KnownFrameworkReference)' == '' or !@(KnownFrameworkReference->AnyHaveMetadataValue('TargetFramework', '$(NetCoreAppCurrent)'))" />
+    <KnownRuntimePack Include="$(LocalFrameworkOverrideName)"
+                      TargetFramework="$(NetCoreAppCurrent)"
+                      RuntimeFrameworkName="$(LocalFrameworkOverrideName)"
+                      LatestRuntimeFrameworkVersion="$(ProductVersion)"
+                      RuntimePackNamePatterns="$(LocalFrameworkOverrideName).Runtime.Mono.**RID**"
+                      RuntimePackRuntimeIdentifiers="linux-arm;linux-arm64;linux-musl-arm64;linux-musl-x64;linux-x64;osx-x64;rhel.6-x64;win-arm;win-arm64;win-x64;win-x86;linux-musl-arm;osx-arm64;maccatalyst-x64;maccatalyst-arm64;browser-wasm;ios-arm64;ios-arm;iossimulator-arm64;iossimulator-x64;iossimulator-x86;tvos-arm64;tvossimulator-arm64;tvossimulator-x64;android-arm64;android-arm;android-x64;android-x86"
+                      RuntimePackLabels="Mono"
+                      Condition="'@(KnownRuntimePack)' == '' or !@(KnownRuntimePack->AnyHaveMetadataValue('TargetFramework', '$(NetCoreAppCurrent)'))"/>
     <KnownAppHostPack Include="$(LocalFrameworkOverrideName)" 
                       AppHostPackNamePattern="$(LocalFrameworkOverrideName).Host.**RID**"
                       AppHostPackVersion="$(ProductVersion)"

eng/testing/linker/SupportFiles/Directory.Build.props

@@ -21,5 +21,8 @@
 
   <ItemGroup>
     <FrameworkReference Include="Microsoft.NETCore.App" />
+    <FrameworkReference Update="Microsoft.NETCore.App"
+                        RuntimePackLabels="Mono"
+                        Condition="'$(UseMonoRuntime)' == 'true'" />
   </ItemGroup>
 </Project>

eng/testing/linker/project.csproj.template

@@ -10,6 +10,7 @@
     <RepositoryEngineeringDir>{RepositoryEngineeringDir}</RepositoryEngineeringDir>
     <TargetFramework>{NetCoreAppCurrent}</TargetFramework>
     <RuntimeIdentifier>{RuntimeIdentifier}</RuntimeIdentifier>
+    <UseMonoRuntime>{UseMonoRuntime}</UseMonoRuntime>
     <TargetingPackDir>{TargetingPackDir}</TargetingPackDir>
     <NETCoreAppMaximumVersion>{NetCoreAppMaximumVersion}</NETCoreAppMaximumVersion>
     <MicrosoftNETCoreAppVersion>{MicrosoftNETCoreAppVersion}</MicrosoftNETCoreAppVersion>

eng/testing/linker/trimmingTests.targets

@@ -74,6 +74,7 @@
                                                  .Replace('{NetCoreAppMaximumVersion}', '$(NetCoreAppMaximumVersion)')
                                                  .Replace('{TargetingPackDir}','$(MicrosoftNetCoreAppRefPackDir)')
                                                  .Replace('{RuntimeIdentifier}','%(TestConsoleApps.TestRuntimeIdentifier)')
+                                                 .Replace('{UseMonoRuntime}','$(UseMonoRuntime)')
                                                  .Replace('{MicrosoftNETILLinkTasksVersion}', '$(MicrosoftNETILLinkTasksVersion)')
                                                  .Replace('{ExtraTrimmerArgs}', '%(TestConsoleApps.ExtraTrimmerArgs)')
                                                  .Replace('{AdditionalProjectReferences}', '$(_additionalProjectReferencesString)')

src/mono/sample/Android/AndroidSampleApp.csproj

@@ -10,16 +10,6 @@
     <ForceAOT Condition="'$(ForceAOT)' == ''">false</ForceAOT>
   </PropertyGroup>
 
-  <!-- Redirect 'dotnet publish' to in-tree runtime pack -->
-  <Target Name="TrickRuntimePackLocation" AfterTargets="ProcessFrameworkReferences">
-    <ItemGroup>
-      <RuntimePack>
-        <PackageDirectory>$(ArtifactsBinDir)microsoft.netcore.app.runtime.$(RuntimeIdentifier)\$(Configuration)</PackageDirectory>
-      </RuntimePack>
-    </ItemGroup>
-    <Message Text="Packaged ID: %(RuntimePack.PackageDirectory)" Importance="high" />
-  </Target>
-
   <Import Project="$(RepoTasksDir)AotCompilerTask\MonoAOTCompiler.props" />
   <UsingTask TaskName="AndroidAppBuilderTask" AssemblyFile="$(AndroidAppBuilderTasksAssemblyPath)"/>
   <UsingTask TaskName="MonoAOTCompiler" AssemblyFile="$(MonoAOTCompilerTasksAssemblyPath)" />