Remove multi-targeting from runtime.depproj

eng/restore/repoRestore.targets

@@ -1,7 +1,7 @@
 <Project InitialTargets="_ClearResolvePackageAssets" TreatAsLocalProperty="ExcludeRestorePackageImports">
   <PropertyGroup>
     <!-- Disable restoring of package references in our projects -->
-    <RestoreProjectStyle Condition="'$(MSBuildProjectExtension)' != '.depproj'">Unknown</RestoreProjectStyle>
+    <RestoreProjectStyle>Unknown</RestoreProjectStyle>
   </PropertyGroup>
 
   <PropertyGroup>
@@ -21,12 +21,9 @@
   Hack workaround for not restoring each project. Instead, we turn off all the targets
   that require a `project.assets.json`, since ours will be empty anyway.
   -->
-  <Target Name="_ClearResolvePackageAssets"
-          Condition="'$(MSBuildProjectExtension)' != '.depproj'">
-
+  <Target Name="_ClearResolvePackageAssets">
     <PropertyGroup>
-      <ResolvePackageDependenciesForBuildDependsOn></ResolvePackageDependenciesForBuildDependsOn>
+      <ResolvePackageDependenciesForBuildDependsOn />
     </PropertyGroup>
-
   </Target>
 </Project>

global.json

@@ -18,7 +18,7 @@
     "Microsoft.DotNet.Helix.Sdk": "5.0.0-beta.20427.5",
     "Microsoft.FIX-85B6-MERGE-9C38-CONFLICT": "1.0.0",
     "Microsoft.NET.Sdk.IL": "5.0.0-preview.8.20359.4",
-    "Microsoft.Build.NoTargets": "1.0.53",
-    "Microsoft.Build.Traversal": "2.0.52"
+    "Microsoft.Build.NoTargets": "2.0.1",
+    "Microsoft.Build.Traversal": "2.1.1"
   }
 }

src/libraries/Directory.Build.props

@@ -13,7 +13,6 @@
     <BeforeTargetFrameworkInferenceTargets>$(RepositoryEngineeringDir)BeforeTargetFrameworkInference.targets</BeforeTargetFrameworkInferenceTargets>
     <IsSourceProject>$([System.Text.RegularExpressions.Regex]::IsMatch($(MSBuildProjectDirectory), 'src%24'))</IsSourceProject>
     <IsReferenceAssembly Condition="'$(IsReferenceAssembly)' == '' and ($(MSBuildProjectFullPath.Contains('\ref\')) or $(MSBuildProjectFullPath.Contains('/ref/')))">true</IsReferenceAssembly>
-    <LanguageTargets Condition="'$(MSBuildProjectExtension)' == '.depproj'">$(RepositoryEngineeringDir)depProj.common.targets</LanguageTargets>
     <RuntimeGraph>$(LibrariesProjectRoot)OSGroups.json</RuntimeGraph>
     <ShouldUnsetParentConfigurationAndPlatform>false</ShouldUnsetParentConfigurationAndPlatform>
     <!-- Remove once is fixed: https://github.com/dotnet/roslyn/issues/42344 -->
@@ -288,7 +287,7 @@
   <Import Project="$(RepositoryEngineeringDir)referenceAssemblies.props" Condition="'$(IsReferenceAssembly)' == 'true'" />
 
   <PropertyGroup>
-    <DisableProjectRestore Condition="'$(MSBuildProjectExtension)' == '.depproj' or '$(MSBuildProjectExtension)' == '.pkgproj'">true</DisableProjectRestore>
+    <DisableProjectRestore Condition="'$(MSBuildProjectExtension)' == '.pkgproj'">true</DisableProjectRestore>
   </PropertyGroup>
 
   <Import Project="$(RepositoryEngineeringDir)restore\repoRestore.props" Condition="'$(DisableProjectRestore)' == 'true'" />

src/libraries/Directory.Build.targets

@@ -265,7 +265,7 @@
 
   <!-- The Default behavior in VS is to show files for the first target framework in TargetFrameworks property.
         This is required to show all the files corresponding to all target frameworks in VS. -->
-  <ItemGroup>
+  <ItemGroup Condition="'$(BuildingInsideVisualStudio)' == 'true' or '$(DesignTimeBuild)' == 'true'">
     <None Include="$(MSBuildProjectDirectory)\**\*.cs"
           Exclude="$(DefaultItemExcludes);$(DefaultExcludesInProjectFolder);@(Compile)" />
   </ItemGroup>

src/libraries/restore/runtime/runtime.depproj → src/libraries/externals.csproj

@@ -1,44 +1,47 @@
-<Project Sdk="Microsoft.NET.Sdk">
+<Project Sdk="Microsoft.Build.NoTargets">
   <PropertyGroup>
+    <!-- Set the RuntimeIdentifier so that the DotNetHost and DotNetHostPolicy packages resolve for the corresponding runtime. -->
     <RuntimeIdentifier>$(PackageRID)</RuntimeIdentifier>
-    <NoWarn>$(NoWarn);NU1603;NU1605</NoWarn>
     <SwapNativeForIL Condition="'$(SwapNativeForIL)' == '' and ('$(Configuration)' == 'Debug' or '$(Coverage)' == 'true') and '$(RuntimeFlavor)' != 'Mono'">true</SwapNativeForIL>
+    <TargetFrameworks>$(NetCoreAppCurrent)</TargetFrameworks>
+    <!-- Binplace properties -->
     <BinPlaceForTargetVertical>false</BinPlaceForTargetVertical>
     <BinPlaceNative>true</BinPlaceNative>
     <BinPlaceRuntime>false</BinPlaceRuntime>
-    <TargetFrameworks>$(NetCoreAppCurrent)-Windows_NT;$(NetCoreAppCurrent)-Unix;$(NetCoreAppCurrent)-Browser</TargetFrameworks>
+    <DisableImplicitFrameworkReferences>true</DisableImplicitFrameworkReferences>
+    <CopyLocalLockFileAssemblies>true</CopyLocalLockFileAssemblies>
   </PropertyGroup>
 
   <ItemGroup Condition="'$(DotNetBuildFromSource)' != 'true'">
-    <PackageReference Include="Microsoft.DiaSymReader.Native" Version="1.7.0" />
+    <PackageReference Include="Microsoft.DiaSymReader.Native"
+                      Version="$(MicrosoftDiaSymReaderNativeVersion)" />
   </ItemGroup>
 
   <ItemGroup Condition="'$(TargetsMobile)' != 'true'">
-    <PackageReference Include="Microsoft.NETCore.DotNetHost" Version="$(MicrosoftNETCoreDotNetHostVersion)" />
-    <PackageReference Include="Microsoft.NETCore.DotNetHostPolicy" Version="$(MicrosoftNETCoreDotNetHostPolicyVersion)" />
-    <!-- We do not need apphost.exe and the 3.0 SDK will actually remove it.
-         Exclude here so that when building with the 2.x SDK we don't place it in the test shared framework.
-         This can be removed once we have a new SDK -->
-    <FileToExclude Include="apphost" />
+    <PackageReference Include="Microsoft.NETCore.DotNetHost"
+                      Version="$(MicrosoftNETCoreDotNetHostVersion)" />
+    <PackageReference Include="Microsoft.NETCore.DotNetHostPolicy"
+                      Version="$(MicrosoftNETCoreDotNetHostPolicyVersion)" />
   </ItemGroup>
 
   <!-- Setup the testing shared framework host -->
   <Target Name="SetupTestingHost"
-          Condition="'$(BinPlaceTestSharedFramework)' == 'true'"
           AfterTargets="AfterResolveReferences">
     <PropertyGroup>
-      <HostFxrFileName Condition="'$(TargetsWindows)' == 'true'">hostfxr</HostFxrFileName>
-      <HostFxrFileName Condition="'$(TargetsWindows)' != 'true'">libhostfxr</HostFxrFileName>
-      <HostPolicyFileName Condition="'$(TargetsWindows)' == 'true'">hostpolicy</HostPolicyFileName>
-      <HostPolicyFileName Condition="'$(TargetsWindows)' != 'true'">libhostpolicy</HostPolicyFileName>
-
       <UseHardlink>true</UseHardlink>
       <!-- workaround core-setup problem for hardlinking dotnet executable to testhost: core-setup #4742 -->
       <UseHardlink Condition="'$(_runtimeOSFamily)' == 'FreeBSD'">false</UseHardlink>
     </PropertyGroup>
 
+    <!-- We do not need apphost.exe.
+         Exclude here so that when building with the 2.x SDK we don't place it in the test shared framework. -->
     <ItemGroup>
-      <HostFxFile Include="@(ReferenceCopyLocalPaths)" Condition="'%(ReferenceCopyLocalPaths.Filename)' == '$(HostFxrFileName)'" />
+      <ReferenceCopyLocalPaths Remove="@(ReferenceCopyLocalPaths)" Condition="'%(Filename)' == 'apphost'" />
+    </ItemGroup>
+
+    <ItemGroup>
+      <HostFxFile Include="@(ReferenceCopyLocalPaths)" Condition="'%(ReferenceCopyLocalPaths.Filename)' == 'hostfxr' or
+                                                                  '%(ReferenceCopyLocalPaths.Filename)' == 'libhostfxr'" />
       <DotnetExe Include="@(ReferenceCopyLocalPaths)" Condition="'%(ReferenceCopyLocalPaths.Filename)' == 'dotnet'" />
     </ItemGroup>
 
@@ -57,19 +60,26 @@
 
   <Target Name="OverrideRuntimeCoreCLR"
           DependsOnTargets="ResolveRuntimeFilesFromLocalBuild"
-          AfterTargets="AfterResolveReferences;FilterNugetPackages"
+          AfterTargets="AfterResolveReferences"
           Condition="'$(RuntimeFlavor)' != 'Mono'">
     <ItemGroup>
       <!-- CoreRun is not used for testing anymore, but we still use it for benchmarking and profiling -->
-      <RuntimeFiles Include="$(CoreCLRArtifactsPath)/corerun*" />
-      <RuntimeFiles Include="$(CoreCLRArtifactsPath)/PDB/corerun*" />
+      <RuntimeFiles Include="$(CoreCLRArtifactsPath)\corerun*" />
+      <RuntimeFiles Include="$(CoreCLRArtifactsPath)\PDB\corerun*" />
       <ReferenceCopyLocalPaths Include="@(RuntimeFiles)" />
     </ItemGroup>
+    <ItemGroup Condition="'$(SwapNativeForIL)' == 'true'">
+      <CoreCLRILFiles Include="$(CoreCLRArtifactsPath)\IL\*.*" />
+      <ReferenceCopyLocalPaths Remove="@(ReferenceCopyLocalPaths)" Condition="'@(CoreCLRILFiles->'%(FileName)%(Extension)')' == '%(FileName)%(Extension)'" />
+      <ReferenceCopyLocalPaths Remove="@(ReferenceCopyLocalPaths)" Condition="'@(CoreCLRILFiles->'%(FileName).ni%(Extension)')' == '%(FileName)%(Extension)'" />
+      <ReferenceCopyLocalPaths Include="@(CoreCLRILFiles)" />
+    </ItemGroup>
+    <Error Condition="'$(SwapNativeForIL)' == 'true' and '@(CoreCLRILFiles)' == ''" Text="Could not locate CoreCLR IL files." />
   </Target>
 
   <Target Name="OverrideRuntimeMono"
           DependsOnTargets="ResolveRuntimeFilesFromLocalBuild"
-          AfterTargets="AfterResolveReferences;FilterNugetPackages"
+          AfterTargets="AfterResolveReferences"
           Condition="'$(RuntimeFlavor)' == 'Mono'">
     <ItemGroup>
       <ReferenceCopyLocalPaths Include="@(RuntimeFiles)" />
@@ -80,30 +90,4 @@
                                DestinationSubDirectory="include/%(RecursiveDir)" />
     </ItemGroup>
   </Target>
-
-  <Target Name="GetCoreCLRILFiles" DependsOnTargets="ResolveRuntimeFilesFromLocalBuild">
-    <ItemGroup>
-      <CoreCLRILFiles Include="$(CoreCLRArtifactsPath)/IL/*.*" />
-    </ItemGroup>
-    <Error Condition="'@(CoreCLRILFiles)' == ''" Text="Could not locate CoreCLR IL files." />
-  </Target>
-
-  <Target Name="SwapNativeForIL"
-          AfterTargets="AfterResolveReferences"
-          DependsOnTargets="GetCoreCLRILFiles;OverrideRuntimeCoreCLR"
-          Condition="'$(SwapNativeForIL)' == 'true'">
-      <ItemGroup>
-        <ReferenceCopyLocalPaths Remove="@(ReferenceCopyLocalPaths)" Condition="'@(CoreCLRILFiles->'%(FileName)%(Extension)')' == '%(FileName)%(Extension)'" />
-        <ReferenceCopyLocalPaths Remove="@(ReferenceCopyLocalPaths)" Condition="'@(CoreCLRILFiles->'%(FileName).ni%(Extension)')' == '%(FileName)%(Extension)'" />
-        <ReferenceCopyLocalPaths Include="@(CoreCLRILFiles)" />
-      </ItemGroup>
-  </Target>
-
-  <!-- Strip away placeholder tfms and TargetFrameworkSuffix. -->
-  <Target Name="StripTargetFrameworkSuffixFromTargetFrameworks"
-          BeforeTargets="_GetRestoreTargetFrameworksOutput;_GetRestoreTargetFrameworksAsItems">
-    <PropertyGroup>
-      <TargetFrameworks Condition="'$(TargetFrameworks)' != ''">$([System.Text.RegularExpressions.Regex]::Replace('$(TargetFrameworks)', '-[^;]+', ''))</TargetFrameworks>
-    </PropertyGroup>
-  </Target>
 </Project>