diff --git a/src/SourceBuild/tarball/content/Directory.Build.props b/src/SourceBuild/tarball/content/Directory.Build.props
index 61cc6ff6746a..6b08fa71bf15 100644
--- a/src/SourceBuild/tarball/content/Directory.Build.props
+++ b/src/SourceBuild/tarball/content/Directory.Build.props
@@ -22,14 +22,6 @@
     <Platform Condition="'$(Platform)' == ''">x64</Platform>
 
     <UseStableVersions Condition="'$(UseStableVersions)' == ''">false</UseStableVersions>
-
-    <!-- new supported portable/nonportable options.  These control whether to build portable runtime
-         or portable SDK.  The PortableBuild flag is only set in runtime-portable.proj and should
-         no longer be passed in.  -->
-    <BuildPortableRuntime Condition="'$(BuildPortableRuntime)' == ''">false</BuildPortableRuntime>
-    <BuildPortableSdk Condition="'$(BuildPortableSdk)' == ''">false</BuildPortableSdk>
-    <UseSystemLibraries Condition="'$(UseSystemLibraries)' == '' AND '$(PortableRuntime)' != 'true'">true</UseSystemLibraries>
-    <UseSystemLibraries Condition="'$(UseSystemLibraries)' == ''">false</UseSystemLibraries>
   </PropertyGroup>
 
   <!-- This repo's projects are entirely infrastructure and do not ship. -->
@@ -230,12 +222,8 @@
     <ExtraPackageVersionPropsPackageInfo Include="MicrosoftNETCoreAppRuntimePackageVersion" Version="$(runtimeOutputPackageVersion)" />
     <ExtraPackageVersionPropsPackageInfo Include="MicrosoftNETCoreAppRuntimeVersion" Version="$(runtimeOutputPackageVersion)" />
     <ExtraPackageVersionPropsPackageInfo Include="MicrosoftNETCoreAppHostPackageVersion" Version="$(runtimeOutputPackageVersion)" />
-    <ExtraPackageVersionPropsPackageInfo Include="MicrosoftAspNetCoreAppRuntimePackageVersion" Version="%24(MicrosoftAspNetCoreAppRuntimeLinux$(Platform)PackageVersion)" />
     <!-- core-sdk uses this property for ASP.NET blob directory -->
     <ExtraPackageVersionPropsPackageInfo Include="VSRedistCommonAspNetCoreTargetingPackx6430PackageVersion" Version="$(aspnetcoreOutputPackageVersion)" />
-    <!-- OSX needs the OSX version instead of Linux.  We don't have a lot of flexibility in how we output these properties so we're relying on the previous one being blank if the Linux version of the package is missing.  -->
-    <ExtraPackageVersionPropsPackageInfo Include="MicrosoftAspNetCoreAppRuntimePackageVersion" Version="%24(MicrosoftAspNetCoreAppRuntimeOsxX64PackageVersion)" DoNotOverwrite="true" />
-    <ExtraPackageVersionPropsPackageInfo Include="MicrosoftAspNetCoreAppRuntimePackageVersion" Version="%24(MicrosoftAspNetCoreAppRuntimewinx64PackageVersion)" DoNotOverwrite="true" />
 
     <!-- Used by installer to determine sdk version -->
     <ExtraPackageVersionPropsPackageInfo Include="MicrosoftDotnetToolsetInternalPackageVersion" Version="%24(MicrosoftNETSdkPackageVersion)" />
diff --git a/src/SourceBuild/tarball/content/repos/aspnetcore.proj b/src/SourceBuild/tarball/content/repos/aspnetcore.proj
index 480f3c7132ee..52243024aaa7 100644
--- a/src/SourceBuild/tarball/content/repos/aspnetcore.proj
+++ b/src/SourceBuild/tarball/content/repos/aspnetcore.proj
@@ -9,6 +9,7 @@
     <BuildCommandArgs>$(BuildCommandArgs) --no-build-repo-tasks</BuildCommandArgs>
     <BuildCommandArgs>$(BuildCommandArgs) /p:BuildNodeJs=false</BuildCommandArgs>
     <BuildCommandArgs>$(BuildCommandArgs) /p:PublishCompressedFilesPathPrefix=$(SourceBuiltAspNetCoreRuntime)</BuildCommandArgs>
+    <BuildCommandArgs>$(BuildCommandArgs) /p:PortableBuild=false /p:TargetRuntimeIdentifier=$(TargetRid)</BuildCommandArgs>
     <!-- Update to 1.0.0 version of reference assemblies which are built in SBRP instead of the preview.2 version
          included by Arcade -->
     <BuildCommandArgs>$(BuildCommandArgs) /p:MicrosoftNetFrameworkReferenceAssembliesVersion=1.0.0</BuildCommandArgs>
diff --git a/src/SourceBuild/tarball/content/repos/installer.proj b/src/SourceBuild/tarball/content/repos/installer.proj
index e34337b8599c..95d47c94152a 100644
--- a/src/SourceBuild/tarball/content/repos/installer.proj
+++ b/src/SourceBuild/tarball/content/repos/installer.proj
@@ -10,6 +10,10 @@
     <OverrideTargetRid Condition="'$(TargetOS)' == 'OSX'">osx-x64</OverrideTargetRid>
     <OSNameOverride>$(OverrideTargetRid.Substring(0, $(OverrideTargetRid.IndexOf("-"))))</OSNameOverride>
 
+    <!-- Determine target portable rid based on bootstrap SDK's portable rid -->
+    <_platformIndex>$(NETCoreSdkPortableRuntimeIdentifier.LastIndexOf('-'))</_platformIndex>
+    <PortableOS Condition="'$(PortableOS)' == ''">$(NETCoreSdkPortableRuntimeIdentifier.Substring(0, $(_platformIndex)))</PortableOS>
+
     <RuntimeArg>--runtime-id $(OverrideTargetRid)</RuntimeArg>
     <RuntimeArg Condition="'$(TargetOS)' == 'Linux'">--runtime-id $(TargetRid)</RuntimeArg>
 
@@ -22,10 +26,11 @@
     -->
     <BuildCommandArgs>$(BuildCommandArgs) /p:NETCoreAppMaximumVersion=99.9</BuildCommandArgs>
     <BuildCommandArgs>$(BuildCommandArgs) /p:OSName=$(OSNameOverride)</BuildCommandArgs>
+    <BuildCommandArgs>$(BuildCommandArgs) /p:PortableOSName=$(PortableOS)</BuildCommandArgs>
     <BuildCommandArgs Condition="'$(TargetOS)' == 'Linux'">$(BuildCommandArgs) /p:Rid=$(TargetRid)</BuildCommandArgs>
     <BuildCommandArgs>$(BuildCommandArgs) /p:DOTNET_INSTALL_DIR=$(DotNetCliToolDir)</BuildCommandArgs>
 
-    <BuildCommandArgs Condition="'$(TargetOS)' == 'Linux'">$(BuildCommandArgs) /p:AspNetCoreInstallerRid=linux-$(Platform)</BuildCommandArgs>
+    <BuildCommandArgs Condition="'$(TargetOS)' == 'Linux'">$(BuildCommandArgs) /p:AspNetCoreInstallerRid=$(TargetRid)</BuildCommandArgs>
     <!-- core-sdk always wants to build portable on OSX and FreeBSD -->
     <BuildCommandArgs Condition="'$(TargetOS)' == 'FreeBSD'">$(BuildCommandArgs) /p:CoreSetupRid=freebsd-x64 /p:PortableBuild=true</BuildCommandArgs>
     <BuildCommandArgs Condition="'$(TargetOS)' == 'OSX'">$(BuildCommandArgs) /p:CoreSetupRid=osx-x64</BuildCommandArgs>
diff --git a/src/SourceBuild/tarball/content/repos/known-good.proj b/src/SourceBuild/tarball/content/repos/known-good.proj
index eab5162908d2..12d9943da8ec 100644
--- a/src/SourceBuild/tarball/content/repos/known-good.proj
+++ b/src/SourceBuild/tarball/content/repos/known-good.proj
@@ -44,7 +44,6 @@
         <!-- Tier 2 -->
         <RepositoryReference Include="linker" />
         <RepositoryReference Include="msbuild" />
-        <RepositoryReference Include="runtime-portable" />
         <RepositoryReference Include="runtime" />
         <RepositoryReference Include="templating" />
 
diff --git a/src/SourceBuild/tarball/content/repos/runtime-portable.proj b/src/SourceBuild/tarball/content/repos/runtime-portable.proj
deleted file mode 100644
index f90a7b7d63a7..000000000000
--- a/src/SourceBuild/tarball/content/repos/runtime-portable.proj
+++ /dev/null
@@ -1,47 +0,0 @@
-<Project>
-  <Import Project="runtime.common.props"/>
-  
-  <PropertyGroup>
-    <SourceDirectory>runtime</SourceDirectory>
-  </PropertyGroup>
-
-  <!-- Repository References -->
-  <ItemGroup>
-      <RepositoryReference Include="arcade" />
-      <RepositoryReference Include="linker" />
-      <RepositoryReference Include="source-build" />
-      <RepositoryReference Include="roslyn" />
-  </ItemGroup>
-
-  <!-- Additional Targets -->
-  <Target Name="CleanupRepoForNonPortableBuild" 
-          BeforeTargets="CleanupRepo"
-          AfterTargets="RemoveBuiltPackagesFromCache">
-    <!-- Make a copy of the portable build logs & project.assets.json files-->
-    <PropertyGroup>
-      <PortableLogDir>$(ProjectDirectory)artifacts/portableLog</PortableLogDir>
-      <PortableObjDir>$(ProjectDirectory)artifacts/portableObj</PortableObjDir>
-    </PropertyGroup>
-    <ItemGroup>
-      <PortableLogFilesToCopy Include="$(ProjectDirectory)artifacts/**/*.log" />
-      <PortableLogFilesToCopy Include="$(ProjectDirectory)artifacts/**/*.binlog" />
-      <PortableObjFilesToCopy Include="$(ProjectDirectory)artifacts/**/project.assets.json" />
-    </ItemGroup>
-    <MakeDir Directories="$(PortableLogDir)" Condition="Exists('$(ProjectDirectory)artifacts')"/>
-    <MakeDir Directories="$(PortableObjDir)" Condition="Exists('$(ProjectDirectory)artifacts')"/>
-    <Copy SourceFiles="@(PortableLogFilesToCopy)" DestinationFolder="$(PortableLogDir)/%(RecursiveDir)" Condition="Exists('$(PortableLogDir)')" />
-    <Copy SourceFiles="@(PortableObjFilesToCopy)" DestinationFolder="$(PortableObjDir)/%(RecursiveDir)" Condition="Exists('$(PortableObjDir)')" />
-
-    <!-- Cleanup everything else -->
-    <ItemGroup>
-      <PortableDirsToDelete Include="$([System.IO.Directory]::GetDirectories(&quot;$(ProjectDirectory)artifacts/&quot;))" Condition="Exists('$(ProjectDirectory)artifacts')" />
-      <PortableDirsToDelete Include="$(ProjectDirectory)bin" Condition="Exists('$(ProjectDirectory)bin')" />
-      <PortableDirsToDelete Remove="$(PortableLogDir)" />
-      <PortableDirsToDelete Remove="$(PortableObjDir)" />
-    </ItemGroup>
-
-    <RemoveDir Directories="@(PortableDirsToDelete)" />
-  </Target>
-
-  <Import Project="runtime.common.targets" />
-</Project>
diff --git a/src/SourceBuild/tarball/content/repos/runtime.common.props b/src/SourceBuild/tarball/content/repos/runtime.common.props
deleted file mode 100644
index b1e9e6adb336..000000000000
--- a/src/SourceBuild/tarball/content/repos/runtime.common.props
+++ /dev/null
@@ -1,43 +0,0 @@
-<Project>
-  <PropertyGroup>
-    <SourceDirectory>runtime</SourceDirectory>
-  </PropertyGroup>
-
-  <Import Project="Sdk.props" Sdk="Microsoft.NET.Sdk" />
-
-  <!-- Build arguments -->
-  <PropertyGroup>
-    <LogVerbosityOptOut>true</LogVerbosityOptOut>
-
-    <!-- StandardSourceBuildArgs includes -bl which overrides the output of the inner binlog.  Change to -nobl -->
-    <BuildCommandArgs>$(StandardSourceBuildArgs.Replace('-bl', '-nobl'))</BuildCommandArgs>
-
-    <BuildCommand>$(StandardSourceBuildCommand) $(BuildCommandArgs)</BuildCommand>
-    <BuildCommand Condition="$(Platform.Contains('arm')) AND '$(BuildArchitecture)' != 'arm64'">$(ArmEnvironmentVariables) $(StandardSourceBuildCommand) $(BuildCommandArgs)</BuildCommand>
-
-    <CleanCommand>$(ProjectDirectory)/clean$(ShellExtension)</CleanCommand>
-  </PropertyGroup>
-
-  <!-- Output / source-build flags -->
-  <PropertyGroup>
-    <GlobalJsonFile>$(ProjectDirectory)global.json</GlobalJsonFile>
-    <NuGetConfigFile>$(ProjectDirectory)NuGet.config</NuGetConfigFile>
-    <OutputPlacementRepoApiImplemented>false</OutputPlacementRepoApiImplemented>
-    <DependencyVersionInputRepoApiImplemented>true</DependencyVersionInputRepoApiImplemented>
-  </PropertyGroup>
-
-  <!-- SDK Overrides -->
-  <ItemGroup>
-    <UseSourceBuiltSdkOverride Include="@(ArcadeSdkOverride)" />
-    <UseSourceBuiltSdkOverride Include="@(ArcadeCoreFxTestingOverride)" />
-    <UseSourceBuiltSdkOverride Include="@(ArcadePackagingOverride)" />
-    <UseSourceBuiltSdkOverride Include="@(ArcadeTargetFrameworkSdkOverride)" />
-    <UseSourceBuiltSdkOverride Include="@(ArcadeSharedFrameworkSdkOverride)" />
-  </ItemGroup>
-
-  <!-- Environment Variables -->
-  <ItemGroup>
-    <EnvironmentVariables Include="BuildInParallel=false" />
-  </ItemGroup>
-
-</Project>
diff --git a/src/SourceBuild/tarball/content/repos/runtime.common.targets b/src/SourceBuild/tarball/content/repos/runtime.common.targets
deleted file mode 100644
index 862b70dc832d..000000000000
--- a/src/SourceBuild/tarball/content/repos/runtime.common.targets
+++ /dev/null
@@ -1,46 +0,0 @@
-<Project>
-
-  <UsingTask AssemblyFile="$(XPlatSourceBuildTasksAssembly)" TaskName="AddRidToRuntimeJson" />
-  <UsingTask AssemblyFile="$(XPlatSourceBuildTasksAssembly)" TaskName="PublishCoreSetupBinaries" />
-
-  <Target Name="SetOutputList" AfterTargets="Package" BeforeTargets="GatherBuiltPackages">
-    <ItemGroup>
-      <PackagesOutputList Include="$(ShippingPackagesOutput)" />
-      <PackagesOutputList Include="$(NonShippingPackagesOutput)" />
-    </ItemGroup>
-  </Target>
-
-  <Target Name="UpdateRuntimeGraph"
-          BeforeTargets="Build"
-          Condition="'$(_IsBootstrapping)' == 'true'">
-    <PropertyGroup>
-      <RuntimeJsonFile>$(ProjectDirectory)pkg/Microsoft.NETCore.Platforms/runtime.json</RuntimeJsonFile>
-    </PropertyGroup>
-
-    <Message Importance="High" Text="Adding rid, $(TargetRid), to $(RuntimeJsonFile)" />
-    <AddRidToRuntimeJson RuntimeJson="$(RuntimeJsonFile)"
-                         Rid="$(TargetRid)-$(Platform)" />
-  </Target>
-
-  <Target Name="CopyBinariesToBinFolder"
-          AfterTargets="ExtractIntermediatePackages"
-          Inputs="$(MSBuildProjectFullPath)"
-          Outputs="$(RepoCompletedSemaphorePath)CopyBinariesToBinFolder.complete">
-    <ItemGroup>
-      <_builtRuntimePackages Include="$(SourceBuiltAssetsDir)*.symbols.nupkg" />
-      <_builtRuntimePackages>
-        <TransformedFileName>$([System.String]::Copy('%(FileName)').Replace('symbols', 'nupkg'))</TransformedFileName>
-      </_builtRuntimePackages>
-      <BinariesToCopy Include="$(SourceBuiltAssetsDir)*.*" Exclude="$(SourceBuiltAssetsDir)*.nupkg;$(SourceBuiltAssetsDir)*.requires_nupkg_signing" />
-      <BinariesToCopy Include="@(_builtRuntimePackages->'$(SourceBuiltPackagesPath)%(TransformedFileName)')" />
-    </ItemGroup>
-
-    <Copy SourceFiles="@(BinariesToCopy)"
-          DestinationFolder="$(OutputPath)runtime"
-          Condition="'@(BinariesToCopy)'!=''" />
-
-    <WriteLinesToFile File="$(RepoCompletedSemaphorePath)CopyBinariesToBinFolder.complete" Overwrite="true" />
-  </Target>
-
-  <Import Project="Sdk.targets" Sdk="Microsoft.NET.Sdk" />
-</Project>
diff --git a/src/SourceBuild/tarball/content/repos/runtime.proj b/src/SourceBuild/tarball/content/repos/runtime.proj
index f3ed143f889a..efd8b66face3 100644
--- a/src/SourceBuild/tarball/content/repos/runtime.proj
+++ b/src/SourceBuild/tarball/content/repos/runtime.proj
@@ -1,18 +1,53 @@
 <Project>
-  <Import Project="runtime.common.props"/>
+  <Import Project="Sdk.props" Sdk="Microsoft.NET.Sdk" />
 
+  <!-- Build arguments -->
   <PropertyGroup>
+    <LogVerbosityOptOut>true</LogVerbosityOptOut>
+
+    <CleanCommand>$(ProjectDirectory)/clean$(ShellExtension)</CleanCommand>
+
     <OverrideTargetRid>$(TargetRid)</OverrideTargetRid>
     <OverrideTargetRid Condition="'$(TargetOS)' == 'OSX'">osx-x64</OverrideTargetRid>
     <OverrideTargetRid Condition="'$(TargetOS)' == 'FreeBSD'">freebsd-x64</OverrideTargetRid>
     <OverrideTargetRid Condition="'$(TargetOS)' == 'Windows_NT'">win-x64</OverrideTargetRid>
 
+    <_platformIndex>$(NETCoreSdkRuntimeIdentifier.LastIndexOf('-'))</_platformIndex>
+    <RuntimeOS>$(NETCoreSdkRuntimeIdentifier.Substring(0, $(_platformIndex)))</RuntimeOS>
+
+    <_platformIndex>$(NETCoreSdkPortableRuntimeIdentifier.LastIndexOf('-'))</_platformIndex>
+    <BaseOS>$(NETCoreSdkPortableRuntimeIdentifier.Substring(0, $(_platformIndex)))</BaseOS>
+
     <BuildCommandArgs>$(StandardSourceBuildArgs)</BuildCommandArgs>
     <BuildCommandArgs>$(BuildCommandArgs) /p:TargetRid=$(OverrideTargetRid)</BuildCommandArgs>
+    <BuildCommandArgs>$(BuildCommandArgs) /p:RuntimeOS=$(RuntimeOS)</BuildCommandArgs>
+    <BuildCommandArgs>$(BuildCommandArgs) /p:BaseOS=$(BaseOS)</BuildCommandArgs>
     <BuildCommandArgs>$(BuildCommandArgs) /p:SourceBuildNonPortable=true</BuildCommandArgs>
     <BuildCommand>$(StandardSourceBuildCommand) $(BuildCommandArgs)</BuildCommand>
   </PropertyGroup>
 
+  <!-- Output / source-build flags -->
+  <PropertyGroup>
+    <GlobalJsonFile>$(ProjectDirectory)global.json</GlobalJsonFile>
+    <NuGetConfigFile>$(ProjectDirectory)NuGet.config</NuGetConfigFile>
+    <OutputPlacementRepoApiImplemented>false</OutputPlacementRepoApiImplemented>
+    <DependencyVersionInputRepoApiImplemented>true</DependencyVersionInputRepoApiImplemented>
+  </PropertyGroup>
+
+  <!-- SDK Overrides -->
+  <ItemGroup>
+    <UseSourceBuiltSdkOverride Include="@(ArcadeSdkOverride)" />
+    <UseSourceBuiltSdkOverride Include="@(ArcadeCoreFxTestingOverride)" />
+    <UseSourceBuiltSdkOverride Include="@(ArcadePackagingOverride)" />
+    <UseSourceBuiltSdkOverride Include="@(ArcadeTargetFrameworkSdkOverride)" />
+    <UseSourceBuiltSdkOverride Include="@(ArcadeSharedFrameworkSdkOverride)" />
+  </ItemGroup>
+
+  <!-- Environment Variables -->
+  <ItemGroup>
+    <EnvironmentVariables Include="BuildInParallel=false" />
+  </ItemGroup>
+
   <!-- Repository References -->
   <ItemGroup>
       <RepositoryReference Include="arcade" />
@@ -20,8 +55,49 @@
       <RepositoryReference Include="linker" />
       <RepositoryReference Include="source-build" />
       <RepositoryReference Include="roslyn" />
-      <RepositoryReference Include="runtime-portable" />
   </ItemGroup>
 
-  <Import Project="runtime.common.targets" />
+  <UsingTask AssemblyFile="$(XPlatSourceBuildTasksAssembly)" TaskName="AddRidToRuntimeJson" />
+  <UsingTask AssemblyFile="$(XPlatSourceBuildTasksAssembly)" TaskName="PublishCoreSetupBinaries" />
+
+  <Target Name="SetOutputList" AfterTargets="Package" BeforeTargets="GatherBuiltPackages">
+    <ItemGroup>
+      <PackagesOutputList Include="$(ShippingPackagesOutput)" />
+      <PackagesOutputList Include="$(NonShippingPackagesOutput)" />
+    </ItemGroup>
+  </Target>
+
+  <Target Name="UpdateRuntimeGraph"
+          BeforeTargets="Build"
+          Condition="'$(_IsBootstrapping)' == 'true'">
+    <PropertyGroup>
+      <RuntimeJsonFile>$(ProjectDirectory)pkg/Microsoft.NETCore.Platforms/runtime.json</RuntimeJsonFile>
+    </PropertyGroup>
+
+    <Message Importance="High" Text="Adding rid, $(TargetRid), to $(RuntimeJsonFile)" />
+    <AddRidToRuntimeJson RuntimeJson="$(RuntimeJsonFile)"
+                         Rid="$(TargetRid)-$(Platform)" />
+  </Target>
+
+  <Target Name="CopyBinariesToBinFolder"
+          AfterTargets="ExtractIntermediatePackages"
+          Inputs="$(MSBuildProjectFullPath)"
+          Outputs="$(RepoCompletedSemaphorePath)CopyBinariesToBinFolder.complete">
+    <ItemGroup>
+      <_builtRuntimePackages Include="$(SourceBuiltAssetsDir)*.symbols.nupkg" />
+      <_builtRuntimePackages>
+        <TransformedFileName>$([System.String]::Copy('%(FileName)').Replace('symbols', 'nupkg'))</TransformedFileName>
+      </_builtRuntimePackages>
+      <BinariesToCopy Include="$(SourceBuiltAssetsDir)*.*" Exclude="$(SourceBuiltAssetsDir)*.nupkg;$(SourceBuiltAssetsDir)*.requires_nupkg_signing" />
+      <BinariesToCopy Include="@(_builtRuntimePackages->'$(SourceBuiltPackagesPath)%(TransformedFileName)')" />
+    </ItemGroup>
+
+    <Copy SourceFiles="@(BinariesToCopy)"
+          DestinationFolder="$(OutputPath)runtime"
+          Condition="'@(BinariesToCopy)'!=''" />
+
+    <WriteLinesToFile File="$(RepoCompletedSemaphorePath)CopyBinariesToBinFolder.complete" Overwrite="true" />
+  </Target>
+
+  <Import Project="Sdk.targets" Sdk="Microsoft.NET.Sdk" />
 </Project>
diff --git a/src/SourceBuild/tarball/content/repos/source-build-reference-packages.proj b/src/SourceBuild/tarball/content/repos/source-build-reference-packages.proj
index 69ab564a2adc..9545b50e4bf7 100644
--- a/src/SourceBuild/tarball/content/repos/source-build-reference-packages.proj
+++ b/src/SourceBuild/tarball/content/repos/source-build-reference-packages.proj
@@ -2,7 +2,9 @@
   <Import Project="Sdk.props" Sdk="Microsoft.NET.Sdk" />
 
   <PropertyGroup>
-    <BuildCommand>$(StandardSourceBuildCommand) $(StandardSourceBuildArgs)</BuildCommand>
+    <BuildCommandArgs>$(StandardSourceBuildArgs)</BuildCommandArgs>
+    <BuildCommandArgs>$(BuildCommandArgs) /p:MicrosoftNetCoreIlasmPackageRuntimeId=$(NETCoreSdkRuntimeIdentifier)</BuildCommandArgs>
+    <BuildCommand>$(StandardSourceBuildCommand) $(BuildCommandArgs)</BuildCommand>
 
     <NuGetConfigFile>$(ProjectDirectory)NuGet.config</NuGetConfigFile>
     <GlobalJsonFile>$(ProjectDirectory)global.json</GlobalJsonFile>
diff --git a/src/SourceBuild/tarball/content/tools-local/init-build.proj b/src/SourceBuild/tarball/content/tools-local/init-build.proj
index 701f76c0c968..ac4508947675 100644
--- a/src/SourceBuild/tarball/content/tools-local/init-build.proj
+++ b/src/SourceBuild/tarball/content/tools-local/init-build.proj
@@ -9,6 +9,7 @@
   <UsingTask AssemblyFile="$(XPlatSourceBuildTasksAssembly)" TaskName="NuGetPack" />
   <UsingTask AssemblyFile="$(XPlatSourceBuildTasksAssembly)" TaskName="ZipFileExtractToDirectory" />
   <UsingTask AssemblyFile="$(XPlatSourceBuildTasksAssembly)" TaskName="ReplaceTextInFile" />
+  <UsingTask AssemblyFile="$(XPlatSourceBuildTasksAssembly)" TaskName="ReplaceRegexInFiles" />
 
   <ItemGroup>
     <BuildTasksTarget Include="Restore;Build;InstallResolver" />
@@ -22,6 +23,7 @@
     <CallTarget Targets="
       UnpackTarballs;
       BuildXPlatTasks;
+      PatchPackageVersions;
       BuildLeakDetection;
       ExtractToolPackage;
       GenerateRootFs;
@@ -38,6 +40,16 @@
     <Delete Files="$(CompletedSemaphorePath)*.*" />
   </Target>
 
+  <!-- TODO: Remove this when the .NET 8 artifacts tarball no longer includes MicrosoftAspNetCoreAppRuntimePackageVersion -->
+  <Target Name="PatchPackageVersions">
+  <!-- Rename MicrosoftAspNetCoreAppRuntimePackageVersion so it isn't used
+       Fixes https://github.com/dotnet/installer/issues/14492 -->
+    <ReplaceRegexInFiles
+      InputFiles="$(IntermediatePath)PreviouslySourceBuiltPackageVersions.props"
+      OldTextRegex="\bMicrosoftAspNetCoreAppRuntimePackageVersion\b"
+      NewText="__unused" />
+  </Target>
+
   <Target Name="UnpackTarballs"
           Inputs="$(MSBuildProjectFullPath)"
           Outputs="$(CompletedSemaphorePath)UnpackTarballs.complete" >
diff --git a/src/redist/targets/Crossgen.targets b/src/redist/targets/Crossgen.targets
index 8949af13254c..a59ed388fa08 100644
--- a/src/redist/targets/Crossgen.targets
+++ b/src/redist/targets/Crossgen.targets
@@ -6,7 +6,7 @@
     
     <PropertyGroup>
       <RuntimeNETCoreAppPackageName>microsoft.netcore.app.runtime.$(SharedFrameworkRid)</RuntimeNETCoreAppPackageName>
-      <RuntimeNETCrossgenPackageName>microsoft.netcore.app.crossgen2.$(HostOSName)-$(BuildArchitecture)</RuntimeNETCrossgenPackageName>
+      <RuntimeNETCrossgenPackageName>microsoft.netcore.app.crossgen2.$(Crossgen2Rid)</RuntimeNETCrossgenPackageName>
       <CrossgenPath>$(NuGetPackageRoot)/$(RuntimeNETCrossgenPackageName)/$(MicrosoftNETCoreAppRuntimePackageVersion)/tools/crossgen2$(ExeExtension)</CrossgenPath>
       <!-- When ingesting stable pgo instrumented binaries, the shared framework will be a non-stable version,
            as will the archive file names themselves. -->
diff --git a/src/redist/targets/GenerateLayout.targets b/src/redist/targets/GenerateLayout.targets
index 88a053b61d4d..ce5e09b69ece 100644
--- a/src/redist/targets/GenerateLayout.targets
+++ b/src/redist/targets/GenerateLayout.targets
@@ -84,6 +84,9 @@
       <CombinedFrameworkHostArchiveFileName Condition=" '$(PgoInstrument)' == 'true' ">dotnet-runtime$(PgoTerm)-$(VSRedistCommonNetCoreSharedFrameworkx6460PackageVersion)-$(SharedFrameworkRid)$(ArchiveExtension)</CombinedFrameworkHostArchiveFileName>
       <WinFormsAndWpfSharedFxArchiveFileName>windowsdesktop-runtime-$(MicrosoftWindowsDesktopAppRuntimePackageVersion)-$(SharedFrameworkRid)$(ArchiveExtension)</WinFormsAndWpfSharedFxArchiveFileName>
 
+      <Crossgen2Rid>$(HostOSName)-$(BuildArchitecture)</Crossgen2Rid>
+      <Crossgen2Rid Condition="'$(DotNetBuildFromSource)' == 'true'">$(SharedFrameworkRid)</Crossgen2Rid>
+
       <AspNetCoreInstallerRid Condition="'$(AspNetCoreInstallerRid)' == ''">$(SharedFrameworkRid)</AspNetCoreInstallerRid>
       <AspNetCoreInstallerRid Condition="'$(SharedFrameworkRid)' == 'rhel.6-x64'">linux-x64</AspNetCoreInstallerRid>
       <AspNetCoreArchiveRid>$(AspNetCoreInstallerRid)</AspNetCoreArchiveRid>
diff --git a/src/redist/targets/GetRuntimeInformation.targets b/src/redist/targets/GetRuntimeInformation.targets
index a99a7e9daf5b..89f000119940 100644
--- a/src/redist/targets/GetRuntimeInformation.targets
+++ b/src/redist/targets/GetRuntimeInformation.targets
@@ -9,10 +9,15 @@
       <HostOSName Condition=" '$(HostOSName)' == '' AND $([MSBuild]::IsOSPlatform('OSX')) ">osx</HostOSName>
       <HostOSName Condition=" '$(HostOSName)' == '' AND $([MSBuild]::IsOSPlatform('FREEBSD')) ">freebsd</HostOSName>
       <HostOSName Condition=" '$(HostOSName)' == '' AND '$(IsLinux)' == 'True' ">linux</HostOSName>
-      
+
+      <OSName Condition=" '$(OSName)' == '' AND $(Rid) != '' ">$(Rid.Substring(0, $(Rid.LastIndexOf('-'))))</OSName>
       <OSName Condition=" '$(OSName)' == '' ">$(HostOSName)</OSName>
 
-      <Rid Condition=" '$(Rid)' == '' ">$(OSName)-$(Architecture)</Rid>
+      <PortableOSName Condition=" '$(PortableOSName)' == '' ">$(OSName)</PortableOSName>
+
+      <Rid>$(OSName)-$(Architecture)</Rid>
+
+      <PortableRid>$(PortableOSName)-$(Architecture)</PortableRid>
     </PropertyGroup>
 
     <PropertyGroup>
@@ -23,10 +28,9 @@
     </PropertyGroup>
 
     <PropertyGroup>
-      <ProductMonikerRid Condition=" '$(Rid)' == 'ubuntu.16.04-x64' OR
-                                   '$(Rid)' == 'rhel.6-x64' OR
-                                   '$(Rid)' == 'linux-musl-x64' ">$(Rid)</ProductMonikerRid>
-      <ProductMonikerRid Condition=" '$(ProductMonikerRid)' == '' ">$(OSName)-$(Architecture)</ProductMonikerRid>
+      <ProductMonikerRid Condition=" '$(ProductMonikerRid)' == '' ">$(Rid)</ProductMonikerRid>
+
+      <PortableProductMonikerRid Condition=" '$(PortableProductMonikerRid)' == '' ">$(PortableRid)</PortableProductMonikerRid>
 
       <PortableProductMonikerRid Condition=" '$(PortableProductMonikerRid)' == '' ">$(HostOSName)-$(Architecture)</PortableProductMonikerRid>