Use live apphost when publishing ilc as singlefile

Author: am11

eng/Subsets.props

@@ -361,7 +361,6 @@
                              $(CoreClrProjectRoot)tools\AssemblyChecker\AssemblyChecker.csproj" Category="clr" Condition="'$(DotNetBuildSourceOnly)' != 'true'"/>
     <ProjectToBuild Include="$(CoreClrProjectRoot)tools\aot\crossgen2\crossgen2.csproj" Category="clr" />
     <ProjectToBuild Include="$(CoreClrProjectRoot)tools\aot\ILCompiler.Build.Tasks\ILCompiler.Build.Tasks.csproj" Category="clr" Condition="'$(NativeAotSupported)' == 'true'" />
-    <ProjectToBuild Include="$(CoreClrProjectRoot)tools\aot\ILCompiler\ILCompiler.csproj" Category="clr" Condition="'$(NativeAotSupported)' == 'true'" />
     <ProjectToBuild Include="$(CoreClrProjectRoot)nativeaot\BuildIntegration\BuildIntegration.proj" Category="clr" Condition="'$(NativeAotSupported)' == 'true'" />
 
     <ProjectToBuild Condition="'$(NativeAotSupported)' == 'true' and ('$(CrossBuild)' == 'true' or '$(BuildArchitecture)' != '$(TargetArchitecture)' or '$(HostOS)' != '$(TargetOS)' or '$(EnableNativeSanitizers)' != '')" Include="$(CoreClrProjectRoot)tools\aot\ILCompiler\ILCompiler_crossarch.csproj" Category="clr" />
@@ -529,13 +528,17 @@
 
   <!-- Packs sets -->
 
+  <ItemGroup>
+    <ProjectToBuild Include="$(InstallerProjectRoot)pkg\sfx\Microsoft.NETCore.App\Microsoft.NETCore.App.Host.sfxproj" Category="packs" Condition="$(_subset.Contains('+packs.product+')) and '$(BuildNativeAOTRuntimePack)' != 'true' and '$(BuildOnlyPgoInstrumentedAssets)' != 'true' and '$(RuntimeFlavor)' == '$(PrimaryRuntimeFlavor)' and '$(TargetsMobile)' != 'true'" />
+    <ProjectToBuild Include="$(CoreClrProjectRoot)tools\aot\ILCompiler\ILCompiler.csproj" Category="clr" Condition="'$(NativeAotSupported)' == 'true' and $(_subset.Contains('+clr.tools+'))" />
+  </ItemGroup>
+
   <Choose>
     <When Condition="$(_subset.Contains('+packs.product+'))">
       <ItemGroup Condition="'$(BuildOnlyPgoInstrumentedAssets)' != 'true'">
         <SharedFrameworkProjectToBuild Condition="'$(BuildMonoAOTCrossCompilerOnly)' != 'true'" Include="$(InstallerProjectRoot)pkg\sfx\Microsoft.NETCore.App\Microsoft.NETCore.App.Ref.sfxproj" />
       </ItemGroup>
       <ItemGroup Condition="'$(BuildNativeAOTRuntimePack)' != 'true' and '$(BuildOnlyPgoInstrumentedAssets)' != 'true'">
-        <SharedFrameworkProjectToBuild Condition="'$(RuntimeFlavor)' == '$(PrimaryRuntimeFlavor)' and '$(TargetsMobile)' != 'true'" Include="$(InstallerProjectRoot)pkg\sfx\Microsoft.NETCore.App\Microsoft.NETCore.App.Host.sfxproj" />
         <SharedFrameworkProjectToBuild Condition="'$(RuntimeFlavor)' != 'Mono'" Include="$(InstallerProjectRoot)pkg\sfx\Microsoft.NETCore.App\Microsoft.NETCore.App.Crossgen2.sfxproj" />
         <SharedFrameworkProjectToBuild Condition="'$(RuntimeFlavor)' == '$(PrimaryRuntimeFlavor)' and '$(TargetsMobile)' != 'true'" Include="$(InstallerProjectRoot)pkg\sfx\installers\dotnet-host.proj" />
         <SharedFrameworkProjectToBuild Condition="'$(RuntimeFlavor)' == '$(PrimaryRuntimeFlavor)' and '$(TargetsMobile)' != 'true'" Include="$(InstallerProjectRoot)pkg\sfx\installers\dotnet-hostfxr.proj" />

src/coreclr/tools/aot/ILCompiler/ILCompiler.csproj

@@ -1,18 +1,28 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
     <OutputPath>$(RuntimeBinDir)ilc/</OutputPath>
-    <RuntimeIdentifier>$(PackageRID)</RuntimeIdentifier>
+    <RuntimeIdentifier>$(OutputRID)</RuntimeIdentifier>
+
+    <!-- Mobile platforms do not have apphost and we don't need it. However, restore requires
+         "some" apphost; use PackageRID of host machine to satisfy that bogus requirement. -->
+    <RuntimeIdentifier Condition="'$(TargetsMobile)' == 'true'">$(PackageRID)</RuntimeIdentifier>
   </PropertyGroup>
 
-  <Import Project="ILCompiler.props" />
+  <PropertyGroup Condition="'$(UseNativeAotForComponents)' != 'true' and '$(CrossBuild)' == 'true' and '$(TargetsMobile)' != 'true'">
+    <UseLocalTargetingRuntimePack>true</UseLocalTargetingRuntimePack>
+  </PropertyGroup>
+
+  <Import Project="$(RepositoryEngineeringDir)targetingpacks.targets" Condition="'$(UseNativeAotForComponents)' != 'true' and '$(CrossBuild)' == 'true' and '$(TargetsMobile)' != 'true'" />
+  <Import Project="$(RepositoryEngineeringDir)codeOptimization.targets" Condition="'$(UseNativeAotForComponents)' != 'true' and '$(CrossBuild)' == 'true' and '$(TargetsMobile)' != 'true'" />
 
+  <Import Project="ILCompiler.props" />
 
   <!-- BEGIN: Workaround for https://github.com/dotnet/runtime/issues/67742 -->
   <PropertyGroup Condition="'$(BuildingInsideVisualStudio)' != 'true'">
     <PublishDir>$(RuntimeBinDir)ilc-published/</PublishDir>
     <PublishAot Condition="'$(UseNativeAotForComponents)' == 'true'">true</PublishAot>
     <SysRoot Condition="'$(UseNativeAotForComponents)' == 'true' and '$(CrossBuild)' == 'true' and '$(HostOS)' != 'windows'">$(ROOTFS_DIR)</SysRoot>
-    <PublishReadyToRun Condition="'$(UseNativeAotForComponents)' != 'true'">true</PublishReadyToRun>
+    <PublishReadyToRun Condition="'$(UseNativeAotForComponents)' != 'true' and '$(UseLocalTargetingRuntimePack)' != 'true'">true</PublishReadyToRun>
     <PublishSingleFile Condition="'$(UseNativeAotForComponents)' != 'true'">true</PublishSingleFile>
     <PublishTrimmed Condition="'$(UseNativeAotForComponents)' != 'true'">true</PublishTrimmed>
     <SuppressGenerateILCompilerExplicitPackageReferenceWarning>true</SuppressGenerateILCompilerExplicitPackageReferenceWarning>
@@ -88,15 +98,6 @@
   <Target Name="PublishCompiler"
           Condition="'$(BuildingInsideVisualStudio)' != 'true'"
           AfterTargets="Build"
-          DependsOnTargets="Publish;StompSingleFileHostPath" />
+          DependsOnTargets="Publish" />
 
-  <!--  HACK: liveBuilds stomps over SingleFileHostSourcePath, setting it to the host that we just built.
-        That's unfortunate because it's not the host we're supposed to use here. -->
-  <Target Name="StompSingleFileHostPath"
-          BeforeTargets="ResolveFrameworkReferences">
-    <PropertyGroup>
-      <SingleFileHostSourcePath></SingleFileHostSourcePath>
-    </PropertyGroup>
-  </Target>
-  <!-- END: Workaround for https://github.com/dotnet/runtime/issues/67742 -->
 </Project>

src/coreclr/tools/aot/crossgen2/crossgen2_publish.csproj

@@ -8,7 +8,7 @@
 
   <PropertyGroup>
     <PublishTrimmed>true</PublishTrimmed>
-    <RuntimeIdentifier>$(PackageRID)</RuntimeIdentifier>
+    <RuntimeIdentifier>$(OutputRID)</RuntimeIdentifier>
     <SelfContained>true</SelfContained>
     <TargetFramework>$(NetCoreAppCurrent)</TargetFramework>
     <UseLocalAppHostPack>true</UseLocalAppHostPack>