Validate Xamarin frameworks

This adds validation for Xamarin frameworks and fixes some packages
which were not representing Xamarin correctly.


Commit migrated from https://github.com/dotnet/corefx/commit/e586f1b2f4eca793de97361aa4b981eb966d13ec

src/libraries/Microsoft.CSharp/pkg/Microsoft.CSharp.pkgproj

-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="12.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <PropertyGroup>
     <Version>4.0.2.0</Version>
@@ -6,7 +6,7 @@
   <Import Project="$([MSBuild]::GetDirectoryNameOfFileAbove($(MSBuildThisFileDirectory), dir.props))\dir.props" />
   <ItemGroup>
     <ProjectReference Include="..\ref\Microsoft.CSharp.csproj">
-      <SupportedFramework>net45;netcore45;netcoreapp1.0;wp8;wpa81</SupportedFramework>
+      <SupportedFramework>net45;netcore45;netcoreapp1.0;wp8;wpa81;$(AllXamarinFrameworks)</SupportedFramework>
     </ProjectReference>
     <ProjectReference Include="..\src\Microsoft.CSharp.builds" />
     <InboxOnTargetFramework Include="MonoAndroid10">

src/libraries/Microsoft.VisualBasic/pkg/Microsoft.VisualBasic.pkgproj

@@ -6,7 +6,7 @@
   <Import Project="$([MSBuild]::GetDirectoryNameOfFileAbove($(MSBuildThisFileDirectory), dir.props))\dir.props" />
   <ItemGroup>
     <ProjectReference Include="..\ref\Microsoft.VisualBasic.csproj">
-      <SupportedFramework>net45;netcore45;netcoreapp1.0;wpa81</SupportedFramework>
+      <SupportedFramework>net45;netcore45;netcoreapp1.0;wpa81;$(AllXamarinFrameworks)</SupportedFramework>
     </ProjectReference>
     <ProjectReference Include="..\src\Microsoft.VisualBasic.builds" />
     <InboxOnTargetFramework Include="net45">
@@ -15,6 +15,7 @@
     <InboxOnTargetFramework Include="win8" />
     <InboxOnTargetFramework Include="wpa81" />
     <InboxOnTargetFramework Include="portable-net45+win8+wpa81" />
+    <OutOfBoxFramework Include="$(AllXamarinFrameworks)" />
   </ItemGroup>
   <Import Project="$([MSBuild]::GetDirectoryNameOfFileAbove($(MSBuildThisFileDirectory), dir.targets))\dir.targets" />
 </Project>
\ No newline at end of file

src/libraries/Microsoft.Win32.Primitives/pkg/Microsoft.Win32.Primitives.pkgproj

-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="12.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <Import Project="$([MSBuild]::GetDirectoryNameOfFileAbove($(MSBuildThisFileDirectory), dir.props))\dir.props" />
   <ItemGroup>
     <ProjectReference Include="..\ref\Microsoft.Win32.Primitives.csproj">
-      <SupportedFramework>net46;netcore50;netcoreapp1.0</SupportedFramework>
+      <SupportedFramework>net46;netcore50;netcoreapp1.0;$(AllXamarinFrameworks)</SupportedFramework>
     </ProjectReference>
     <ProjectReference Include="..\src\Microsoft.Win32.Primitives.csproj">
       <AdditionalProperties>TargetGroup=net46</AdditionalProperties>

src/libraries/System.AppContext/pkg/System.AppContext.pkgproj

-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="12.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <Import Project="$([MSBuild]::GetDirectoryNameOfFileAbove($(MSBuildThisFileDirectory), dir.props))\dir.props" />
 
@@ -11,7 +11,7 @@
       <SupportedFramework>net46;netcore50</SupportedFramework>
     </ProjectReference>
     <ProjectReference Include="..\ref\System.AppContext.csproj">
-      <SupportedFramework>net463;netcoreapp1.0</SupportedFramework>
+      <SupportedFramework>net463;netcoreapp1.0;$(AllXamarinFrameworks)</SupportedFramework>
     </ProjectReference>
     <ProjectReference Include="..\src\System.AppContext.builds"/>
   </ItemGroup>

src/libraries/System.Buffers/pkg/System.Buffers.pkgproj

@@ -4,7 +4,7 @@
 
   <ItemGroup>
     <ProjectReference Include="..\src\System.Buffers.builds">
-      <SupportedFramework>net45;netcore45;netcoreapp1.0;wpa81</SupportedFramework>
+      <SupportedFramework>net45;netcore45;netcoreapp1.0;wpa81;$(AllXamarinFrameworks)</SupportedFramework>
     </ProjectReference>
   </ItemGroup>
 

src/libraries/System.Collections.Concurrent/pkg/System.Collections.Concurrent.pkgproj

-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="12.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <PropertyGroup>
     <Version>4.0.12.0</Version>
@@ -12,7 +12,7 @@
       <SupportedFramework>net45;netcore45;wpa81</SupportedFramework>
     </ProjectReference>
     <ProjectReference Include="..\ref\System.Collections.Concurrent.csproj">
-      <SupportedFramework>net46;netcore50;netcoreapp1.0</SupportedFramework>
+      <SupportedFramework>net46;netcore50;netcoreapp1.0;$(AllXamarinFrameworks)</SupportedFramework>
     </ProjectReference>
     <ProjectReference Include="..\src\System.Collections.Concurrent.builds" />
     <InboxOnTargetFramework Include="MonoAndroid10" />

src/libraries/System.Collections.Immutable/pkg/System.Collections.Immutable.pkgproj

@@ -8,7 +8,7 @@
 
   <ItemGroup>
     <ProjectReference Include="..\src\System.Collections.Immutable.builds">
-      <SupportedFramework>net45;netcore45;netcoreapp1.0;wp8;wpa81</SupportedFramework>
+      <SupportedFramework>net45;netcore45;netcoreapp1.0;wp8;wpa81;$(AllXamarinFrameworks)</SupportedFramework>
     </ProjectReference>
   </ItemGroup>
 

src/libraries/System.Collections.NonGeneric/pkg/System.Collections.NonGeneric.pkgproj

-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="12.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <Import Project="$([MSBuild]::GetDirectoryNameOfFileAbove($(MSBuildThisFileDirectory), dir.props))\dir.props" />
   <ItemGroup>
     <ProjectReference Include="..\ref\System.Collections.NonGeneric.csproj">
-      <SupportedFramework>net46;netcore50;netcoreapp1.0</SupportedFramework>
+      <SupportedFramework>net46;netcore50;netcoreapp1.0;$(AllXamarinFrameworks)</SupportedFramework>
     </ProjectReference>
     <ProjectReference Include="..\src\System.Collections.NonGeneric.builds" />
   </ItemGroup>

src/libraries/System.Collections.Specialized/pkg/System.Collections.Specialized.pkgproj

-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="12.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <Import Project="$([MSBuild]::GetDirectoryNameOfFileAbove($(MSBuildThisFileDirectory), dir.props))\dir.props" />
   <ItemGroup>
     <ProjectReference Include="..\ref\System.Collections.Specialized.csproj">
-      <SupportedFramework>net46;netcore50;netcoreapp1.0</SupportedFramework>
+      <SupportedFramework>net46;netcore50;netcoreapp1.0;$(AllXamarinFrameworks)</SupportedFramework>
     </ProjectReference>
     <ProjectReference Include="..\src\System.Collections.Specialized.builds" />
   </ItemGroup>

src/libraries/System.Collections/pkg/System.Collections.pkgproj

-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="12.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <PropertyGroup>
     <Version>4.0.12.0</Version>
@@ -9,7 +9,7 @@
       <SupportedFramework>net45;netcore45;wp8;wpa81</SupportedFramework>
     </ProjectReference>
     <ProjectReference Include="..\ref\System.Collections.csproj">
-      <SupportedFramework>net46;netcore50;netcoreapp1.0</SupportedFramework>
+      <SupportedFramework>net46;netcore50;netcoreapp1.0;$(AllXamarinFrameworks)</SupportedFramework>
     </ProjectReference>
     <ProjectReference Include="any\System.Collections.pkgproj" />
     <ProjectReference Include="aot\System.Collections.pkgproj" />

src/libraries/System.ComponentModel.Annotations/pkg/System.ComponentModel.Annotations.pkgproj

-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="12.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <Import Project="$([MSBuild]::GetDirectoryNameOfFileAbove($(MSBuildThisFileDirectory), dir.props))\dir.props" />
   <ItemGroup>
@@ -9,7 +9,7 @@
       <SupportedFramework>net46</SupportedFramework>
     </ProjectReference>
     <ProjectReference Include="..\ref\System.ComponentModel.Annotations.csproj">
-      <SupportedFramework>net461;netcore50;netcoreapp1.0</SupportedFramework>
+      <SupportedFramework>net461;netcore50;netcoreapp1.0;$(AllXamarinFrameworks)</SupportedFramework>
     </ProjectReference>
     <ProjectReference Include="..\src\System.ComponentModel.Annotations.builds" />
     <InboxOnTargetFramework Include="MonoAndroid10" />

src/libraries/System.ComponentModel.EventBasedAsync/pkg/System.ComponentModel.EventBasedAsync.pkgproj

-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="12.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <PropertyGroup>
     <Version>4.0.12.0</Version>
@@ -9,7 +9,7 @@
       <SupportedFramework>net45;netcore45;wp8;wpa81</SupportedFramework>
     </ProjectReference>
     <ProjectReference Include="..\ref\System.ComponentModel.EventBasedAsync.csproj">
-      <SupportedFramework>net46;netcore50;netcoreapp1.0</SupportedFramework>
+      <SupportedFramework>net46;netcore50;netcoreapp1.0;$(AllXamarinFrameworks)</SupportedFramework>
     </ProjectReference>
     <ProjectReference Include="..\src\System.ComponentModel.EventBasedAsync.builds" />
     <InboxOnTargetFramework Include="MonoAndroid10" />

src/libraries/System.ComponentModel.Primitives/pkg/System.ComponentModel.Primitives.pkgproj

-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="12.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <Import Project="$([MSBuild]::GetDirectoryNameOfFileAbove($(MSBuildThisFileDirectory), dir.props))\dir.props" />
   <ItemGroup>
     <ProjectReference Include="..\ref\System.ComponentModel.Primitives.csproj">
-      <SupportedFramework>net45;netcore45;netcoreapp1.0;wp8;wpa81</SupportedFramework>
+      <SupportedFramework>net45;netcore45;netcoreapp1.0;wp8;wpa81;$(AllXamarinFrameworks)</SupportedFramework>
     </ProjectReference>
     <ProjectReference Include="..\src\System.ComponentModel.Primitives.builds" />
   </ItemGroup>

src/libraries/System.ComponentModel.TypeConverter/pkg/System.ComponentModel.TypeConverter.pkgproj

-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="12.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <Import Project="$([MSBuild]::GetDirectoryNameOfFileAbove($(MSBuildThisFileDirectory), dir.props))\dir.props" />
   <ItemGroup>
@@ -6,7 +6,7 @@
       <SupportedFramework>net45;netcore45;wp8;wpa81</SupportedFramework>
     </ProjectReference>
     <ProjectReference Include="..\ref\System.ComponentModel.TypeConverter.csproj">
-      <SupportedFramework>net462;netcoreapp1.0</SupportedFramework>
+      <SupportedFramework>net462;netcoreapp1.0;$(AllXamarinFrameworks)</SupportedFramework>
     </ProjectReference>
     <ProjectReference Include="..\src\System.ComponentModel.TypeConverter.builds" />
   </ItemGroup>  

src/libraries/System.ComponentModel/pkg/System.ComponentModel.pkgproj

-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="12.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <PropertyGroup>
     <Version>4.0.2.0</Version>
@@ -6,7 +6,7 @@
   <Import Project="$([MSBuild]::GetDirectoryNameOfFileAbove($(MSBuildThisFileDirectory), dir.props))\dir.props" />
   <ItemGroup>
     <ProjectReference Include="..\ref\System.ComponentModel.csproj">
-      <SupportedFramework>net45;netcore45;netcoreapp1.0;wp8;wpa81</SupportedFramework>
+      <SupportedFramework>net45;netcore45;netcoreapp1.0;wp8;wpa81;$(AllXamarinFrameworks)</SupportedFramework>
     </ProjectReference>
     <ProjectReference Include="..\src\System.ComponentModel.builds" />
     <InboxOnTargetFramework Include="MonoAndroid10" />

src/libraries/System.Composition.AttributedModel/pkg/System.Composition.AttributedModel.pkgproj

@@ -4,7 +4,7 @@
 
   <ItemGroup>
     <ProjectReference Include="..\src\System.Composition.AttributedModel.builds">
-      <SupportedFramework>net45;netcore45;netcoreapp1.0;wp8;wpa81</SupportedFramework>
+      <SupportedFramework>net45;netcore45;netcoreapp1.0;wp8;wpa81;$(AllXamarinFrameworks)</SupportedFramework>
     </ProjectReference>
   </ItemGroup>
 

src/libraries/System.Composition.Convention/pkg/System.Composition.Convention.pkgproj

@@ -4,7 +4,7 @@
 
   <ItemGroup>
     <ProjectReference Include="..\src\System.Composition.Convention.builds">
-      <SupportedFramework>net45;netcore45;netcoreapp1.0;wp8;wpa81</SupportedFramework>
+      <SupportedFramework>net45;netcore45;netcoreapp1.0;wp8;wpa81;$(AllXamarinFrameworks)</SupportedFramework>
     </ProjectReference>
   </ItemGroup>
 

src/libraries/System.Composition.Hosting/pkg/System.Composition.Hosting.pkgproj

@@ -4,7 +4,7 @@
 
   <ItemGroup>
     <ProjectReference Include="..\src\System.Composition.Hosting.builds">
-      <SupportedFramework>net45;netcore45;netcoreapp1.0;wp8;wpa81</SupportedFramework>
+      <SupportedFramework>net45;netcore45;netcoreapp1.0;wp8;wpa81;$(AllXamarinFrameworks)</SupportedFramework>
     </ProjectReference>
   </ItemGroup>
 

src/libraries/System.Composition.Runtime/pkg/System.Composition.Runtime.pkgproj

@@ -4,7 +4,7 @@
 
   <ItemGroup>
     <ProjectReference Include="..\src\System.Composition.Runtime.builds">
-      <SupportedFramework>net45;netcore45;netcoreapp1.0;wp8;wpa81</SupportedFramework>
+      <SupportedFramework>net45;netcore45;netcoreapp1.0;wp8;wpa81;$(AllXamarinFrameworks)</SupportedFramework>
     </ProjectReference>
   </ItemGroup>
 

src/libraries/System.Composition.TypedParts/pkg/System.Composition.TypedParts.pkgproj

@@ -4,7 +4,7 @@
 
   <ItemGroup>
     <ProjectReference Include="..\src\System.Composition.TypedParts.builds">
-      <SupportedFramework>net45;netcore45;netcoreapp1.0;wp8;wpa81</SupportedFramework>
+      <SupportedFramework>net45;netcore45;netcoreapp1.0;wp8;wpa81;$(AllXamarinFrameworks)</SupportedFramework>
     </ProjectReference>
   </ItemGroup>
 

src/libraries/System.Console/pkg/System.Console.pkgproj

-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="12.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <Import Project="$([MSBuild]::GetDirectoryNameOfFileAbove($(MSBuildThisFileDirectory), dir.props))\dir.props" />
   <ItemGroup>
     <ProjectReference Include="..\ref\System.Console.csproj">
-      <SupportedFramework>net46;netcore50;netcoreapp1.0</SupportedFramework>
+      <SupportedFramework>net46;netcore50;netcoreapp1.0;$(AllXamarinFrameworks)</SupportedFramework>
     </ProjectReference>
     <ProjectReference Include="..\src\System.Console.csproj">
       <AdditionalProperties>TargetGroup=net46</AdditionalProperties>

src/libraries/System.Data.Common/pkg/System.Data.Common.pkgproj

-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="12.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <Import Project="$([MSBuild]::GetDirectoryNameOfFileAbove($(MSBuildThisFileDirectory), dir.props))\dir.props" />
   <ItemGroup>
@@ -6,7 +6,7 @@
       <!-- netcore45;wp8 are actually supported but not the corresponding netstandard versions,
          so use suppression to permit an implementation until buildtools adds a way to specify
          netstandard support explicitly -->
-      <SupportedFramework>net451;netcore451;netcoreapp1.0;wpa81</SupportedFramework>
+      <SupportedFramework>net451;netcore451;netcoreapp1.0;wpa81;$(AllXamarinFrameworks)</SupportedFramework>
     </ProjectReference>
     <ProjectReference Include="..\src\System.Data.Common.builds" />
   </ItemGroup>

src/libraries/System.Data.SqlClient/pkg/System.Data.SqlClient.pkgproj

-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="12.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <Import Project="$([MSBuild]::GetDirectoryNameOfFileAbove($(MSBuildThisFileDirectory), dir.props))\dir.props" />
   <ItemGroup>
@@ -6,7 +6,7 @@
       <SupportedFramework>net451;</SupportedFramework>
     </ProjectReference>
     <ProjectReference Include="..\ref\System.Data.SqlClient.csproj">
-      <SupportedFramework>net46;netcore50;netcoreapp1.0</SupportedFramework>
+      <SupportedFramework>net46;netcore50;netcoreapp1.0;$(AllXamarinFrameworks)</SupportedFramework>
     </ProjectReference>
     <ProjectReference Include="..\src\System.Data.SqlClient.builds" />
   </ItemGroup>

src/libraries/System.Diagnostics.Contracts/pkg/System.Diagnostics.Contracts.pkgproj

-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="12.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <PropertyGroup>
     <Version>4.0.2.0</Version>
@@ -6,7 +6,7 @@
   <Import Project="$([MSBuild]::GetDirectoryNameOfFileAbove($(MSBuildThisFileDirectory), dir.props))\dir.props" />
   <ItemGroup>
     <ProjectReference Include="..\ref\System.Diagnostics.Contracts.csproj">
-      <SupportedFramework>net45;netcore45;netcoreapp1.0;wp8;wpa81</SupportedFramework>
+      <SupportedFramework>net45;netcore45;netcoreapp1.0;wp8;wpa81;$(AllXamarinFrameworks)</SupportedFramework>
     </ProjectReference>
     <ProjectReference Include="..\src\System.Diagnostics.Contracts.builds" />
     <InboxOnTargetFramework Include="MonoAndroid10" />

src/libraries/System.Diagnostics.Debug.SymbolReader/pkg/System.Diagnostics.Debug.SymbolReader.pkgproj

@@ -3,7 +3,7 @@
   <Import Project="$([MSBuild]::GetDirectoryNameOfFileAbove($(MSBuildThisFileDirectory), dir.props))\dir.props" />
   <ItemGroup>
     <ProjectReference Include="..\src\System.Diagnostics.Debug.SymbolReader.csproj">
-      <SupportedFramework>net46;netcore50;netcoreapp1.0</SupportedFramework>
+      <SupportedFramework>net46;netcore50;netcoreapp1.0;$(AllXamarinFrameworks)</SupportedFramework>
     </ProjectReference>
   </ItemGroup>
   <Import Project="$([MSBuild]::GetDirectoryNameOfFileAbove($(MSBuildThisFileDirectory), dir.targets))\dir.targets" />

src/libraries/System.Diagnostics.Debug/pkg/System.Diagnostics.Debug.pkgproj

-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="12.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <PropertyGroup>
     <Version>4.0.12.0</Version>
@@ -9,7 +9,7 @@
       <SupportedFramework>net45;netcore45;wp8;wpa81</SupportedFramework>
     </ProjectReference>
     <ProjectReference Include="..\ref\System.Diagnostics.Debug.csproj">
-      <SupportedFramework>net46;netcore50;netcoreapp1.0</SupportedFramework>
+      <SupportedFramework>net46;netcore50;netcoreapp1.0;$(AllXamarinFrameworks)</SupportedFramework>
     </ProjectReference>
     <ProjectReference Include="win\System.Diagnostics.Debug.pkgproj" />
     <ProjectReference Include="unix\System.Diagnostics.Debug.pkgproj" />

src/libraries/System.Diagnostics.DiagnosticSource/pkg/System.Diagnostics.DiagnosticSource.pkgproj

@@ -8,7 +8,7 @@
 
   <ItemGroup>
     <ProjectReference Include="..\src\System.Diagnostics.DiagnosticSource.builds">
-      <SupportedFramework>net46;net45;netcore45;netcoreapp1.0;wpa81</SupportedFramework>
+      <SupportedFramework>net46;net45;netcore45;netcoreapp1.0;wpa81;$(AllXamarinFrameworks)</SupportedFramework>
     </ProjectReference>
   </ItemGroup>
 

src/libraries/System.Diagnostics.FileVersionInfo/pkg/System.Diagnostics.FileVersionInfo.pkgproj

-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="12.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <Import Project="$([MSBuild]::GetDirectoryNameOfFileAbove($(MSBuildThisFileDirectory), dir.props))\dir.props" />
   <ItemGroup>
     <ProjectReference Include="..\ref\System.Diagnostics.FileVersionInfo.csproj">
-      <SupportedFramework>net46;netcore50;netcoreapp1.0</SupportedFramework>
+      <SupportedFramework>net46;netcore50;netcoreapp1.0;$(AllXamarinFrameworks)</SupportedFramework>
     </ProjectReference>
     <ProjectReference Include="..\src\System.Diagnostics.FileVersionInfo.builds" />
   </ItemGroup>

src/libraries/System.Diagnostics.Process/pkg/System.Diagnostics.Process.pkgproj

-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="12.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <Import Project="$([MSBuild]::GetDirectoryNameOfFileAbove($(MSBuildThisFileDirectory), dir.props))\dir.props" />
   <ItemGroup>
     <ProjectReference Include="..\ref\System.Diagnostics.Process.csproj">
-      <SupportedFramework>net461;netcoreapp1.0</SupportedFramework>
+      <SupportedFramework>net461;netcoreapp1.0;$(AllXamarinFrameworks)</SupportedFramework>
     </ProjectReference>
     <ProjectReference Include="..\ref\4.0\System.Diagnostics.Process.depproj">
       <SupportedFramework>net46</SupportedFramework>

src/libraries/System.Diagnostics.StackTrace/pkg/System.Diagnostics.StackTrace.pkgproj

-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="12.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <Import Project="$([MSBuild]::GetDirectoryNameOfFileAbove($(MSBuildThisFileDirectory), dir.props))\dir.props" />
   <ItemGroup>
     <ProjectReference Include="..\ref\System.Diagnostics.StackTrace.csproj">
-      <SupportedFramework>net46;netcore50;netcoreapp1.0</SupportedFramework>
+      <SupportedFramework>net46;netcore50;netcoreapp1.0;$(AllXamarinFrameworks)</SupportedFramework>
     </ProjectReference>
     <ProjectReference Include="..\src\System.Diagnostics.StackTrace.builds" />
   </ItemGroup>

src/libraries/System.Diagnostics.TextWriterTraceListener/pkg/System.Diagnostics.TextWriterTraceListener.pkgproj

-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="12.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <Import Project="$([MSBuild]::GetDirectoryNameOfFileAbove($(MSBuildThisFileDirectory), dir.props))\dir.props" />
   <ItemGroup>
     <ProjectReference Include="..\ref\System.Diagnostics.TextWriterTraceListener.csproj">
-      <SupportedFramework>net46;netcore50;netcoreapp1.0</SupportedFramework>
+      <SupportedFramework>net46;netcore50;netcoreapp1.0;$(AllXamarinFrameworks)</SupportedFramework>
     </ProjectReference>
     <ProjectReference Include="..\src\System.Diagnostics.TextWriterTraceListener.builds" />
   </ItemGroup>

src/libraries/System.Diagnostics.Tools/pkg/System.Diagnostics.Tools.pkgproj

-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="12.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <PropertyGroup>
     <Version>4.0.2.0</Version>
@@ -6,7 +6,7 @@
   <Import Project="$([MSBuild]::GetDirectoryNameOfFileAbove($(MSBuildThisFileDirectory), dir.props))\dir.props" />
   <ItemGroup>
     <ProjectReference Include="..\ref\System.Diagnostics.Tools.csproj">
-      <SupportedFramework>net45;netcore45;netcoreapp1.0;wp8;wpa81</SupportedFramework>
+      <SupportedFramework>net45;netcore45;netcoreapp1.0;wp8;wpa81;$(AllXamarinFrameworks)</SupportedFramework>
     </ProjectReference>
     <ProjectReference Include="any\System.Diagnostics.Tools.pkgproj" />
     <ProjectReference Include="aot\System.Diagnostics.Tools.pkgproj" />

src/libraries/System.Diagnostics.TraceSource/pkg/System.Diagnostics.TraceSource.pkgproj

-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="12.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <Import Project="$([MSBuild]::GetDirectoryNameOfFileAbove($(MSBuildThisFileDirectory), dir.props))\dir.props" />
   <ItemGroup>
     <ProjectReference Include="..\ref\System.Diagnostics.TraceSource.csproj">
-      <SupportedFramework>net46;netcore50;netcoreapp1.0</SupportedFramework>
+      <SupportedFramework>net46;netcore50;netcoreapp1.0;$(AllXamarinFrameworks)</SupportedFramework>
     </ProjectReference>
     <ProjectReference Include="..\src\System.Diagnostics.TraceSource.builds" />
   </ItemGroup>

src/libraries/System.Diagnostics.Tracing/pkg/System.Diagnostics.Tracing.pkgproj

-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="12.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <Import Project="$([MSBuild]::GetDirectoryNameOfFileAbove($(MSBuildThisFileDirectory), dir.props))\dir.props" />
   <ItemGroup>
@@ -12,7 +12,7 @@
       <SupportedFramework>net46;netcore50</SupportedFramework>
     </ProjectReference>
     <ProjectReference Include="..\ref\System.Diagnostics.Tracing.csproj">
-      <SupportedFramework>net462;netcoreapp1.0</SupportedFramework>
+      <SupportedFramework>net462;netcoreapp1.0;$(AllXamarinFrameworks)</SupportedFramework>
     </ProjectReference>
     <ProjectReference Include="..\src\System.Diagnostics.Tracing.csproj">
       <TargetGroup>net462</TargetGroup>

src/libraries/System.Drawing.Primitives/pkg/System.Drawing.Primitives.pkgproj

@@ -3,10 +3,11 @@
   <Import Project="$([MSBuild]::GetDirectoryNameOfFileAbove($(MSBuildThisFileDirectory), dir.props))\dir.props" />
   <ItemGroup>
     <ProjectReference Include="..\ref\System.Drawing.Primitives.csproj">
-    	<SupportedFramework>netcore45;net45;netcoreapp1.0;wpa81</SupportedFramework>
+      <SupportedFramework>netcore45;net45;netcoreapp1.0;wpa81;$(AllXamarinFrameworks)</SupportedFramework>
     </ProjectReference>
     <ProjectReference Include="..\src\System.Drawing.Primitives.builds">
     </ProjectReference>
+    <InboxOnTargetFramework Include="$(AllXamarinFrameworks)" />
   </ItemGroup>
   <Import Project="$([MSBuild]::GetDirectoryNameOfFileAbove($(MSBuildThisFileDirectory), dir.targets))\dir.targets" />
 </Project>
\ No newline at end of file

src/libraries/System.Dynamic.Runtime/pkg/System.Dynamic.Runtime.pkgproj

-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="12.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <PropertyGroup>
     <Version>4.0.12.0</Version>
@@ -9,7 +9,7 @@
       <SupportedFramework>net45;netcore45;wp8;wpa81</SupportedFramework>
     </ProjectReference>
     <ProjectReference Include="..\ref\System.Dynamic.Runtime.csproj">
-      <SupportedFramework>net46;netcore50;netcoreapp1.0</SupportedFramework>
+      <SupportedFramework>net46;netcore50;netcoreapp1.0;$(AllXamarinFrameworks)</SupportedFramework>
     </ProjectReference>
     <ProjectReference Include="..\src\System.Dynamic.Runtime.builds" />
     <InboxOnTargetFramework Include="MonoAndroid10" />

src/libraries/System.Globalization.Calendars/pkg/System.Globalization.Calendars.pkgproj

-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="12.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <Import Project="$([MSBuild]::GetDirectoryNameOfFileAbove($(MSBuildThisFileDirectory), dir.props))\dir.props" />
   <ItemGroup>
     <ProjectReference Include="..\ref\System.Globalization.Calendars.csproj">
-      <SupportedFramework>net46;netcore50;netcoreapp1.0</SupportedFramework>
+      <SupportedFramework>net46;netcore50;netcoreapp1.0;$(AllXamarinFrameworks)</SupportedFramework>
     </ProjectReference>
     <ProjectReference Include="..\src\System.Globalization.Calendars.csproj">
       <TargetGroup>net46</TargetGroup>

src/libraries/System.Globalization.Extensions/pkg/System.Globalization.Extensions.pkgproj

-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="12.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <Import Project="$([MSBuild]::GetDirectoryNameOfFileAbove($(MSBuildThisFileDirectory), dir.props))\dir.props" />
   <ItemGroup>
     <ProjectReference Include="..\ref\System.Globalization.Extensions.csproj">
-      <SupportedFramework>net46;netcore50;netcoreapp1.0</SupportedFramework>
+      <SupportedFramework>net46;netcore50;netcoreapp1.0;$(AllXamarinFrameworks)</SupportedFramework>
     </ProjectReference>
     <ProjectReference Include="..\src\System.Globalization.Extensions.builds" />
   </ItemGroup>

src/libraries/System.Globalization/pkg/System.Globalization.pkgproj

-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="12.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <PropertyGroup>
     <Version>4.0.12.0</Version>
@@ -9,7 +9,7 @@
       <SupportedFramework>net45;netcore45;wp8;wpa81</SupportedFramework>
     </ProjectReference>
     <ProjectReference Include="..\ref\System.Globalization.csproj">
-      <SupportedFramework>net46;netcore50;netcoreapp1.0</SupportedFramework>
+      <SupportedFramework>net46;netcore50;netcoreapp1.0;$(AllXamarinFrameworks)</SupportedFramework>
     </ProjectReference>
     <ProjectReference Include="any\System.Globalization.pkgproj" />
     <ProjectReference Include="aot\System.Globalization.pkgproj" />

src/libraries/System.IO.Compression.ZipFile/pkg/System.IO.Compression.ZipFile.pkgproj

-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="12.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <Import Project="$([MSBuild]::GetDirectoryNameOfFileAbove($(MSBuildThisFileDirectory), dir.props))\dir.props" />
   <ItemGroup>
     <ProjectReference Include="..\ref\System.IO.Compression.ZipFile.csproj">
-      <SupportedFramework>net46;netcore50;netcoreapp1.0</SupportedFramework>
+      <SupportedFramework>net46;netcore50;netcoreapp1.0;$(AllXamarinFrameworks)</SupportedFramework>
     </ProjectReference>
     <ProjectReference Include="..\src\System.IO.Compression.ZipFile.builds" />
   </ItemGroup>

src/libraries/System.IO.Compression/pkg/System.IO.Compression.pkgproj

-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="12.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <Import Project="$([MSBuild]::GetDirectoryNameOfFileAbove($(MSBuildThisFileDirectory), dir.props))\dir.props" />
   <ItemGroup>
@@ -6,7 +6,7 @@
       <SupportedFramework>net45;netcore45;wpa81</SupportedFramework>
     </ProjectReference>
     <ProjectReference Include="..\ref\System.IO.Compression.csproj">
-      <SupportedFramework>net46;netcore50;netcoreapp1.0</SupportedFramework>
+      <SupportedFramework>net46;netcore50;netcoreapp1.0;$(AllXamarinFrameworks)</SupportedFramework>
     </ProjectReference>
     <ProjectReference Include="..\src\System.IO.Compression.builds" />
     <InboxOnTargetFramework Include="net45">

src/libraries/System.IO.FileSystem.DriveInfo/pkg/System.IO.FileSystem.DriveInfo.pkgproj

-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="12.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <Import Project="$([MSBuild]::GetDirectoryNameOfFileAbove($(MSBuildThisFileDirectory), dir.props))\dir.props" />
   <ItemGroup>
     <ProjectReference Include="..\ref\System.IO.FileSystem.DriveInfo.csproj">
-      <SupportedFramework>net46;netcoreapp1.0</SupportedFramework>
+      <SupportedFramework>net46;netcoreapp1.0;$(AllXamarinFrameworks)</SupportedFramework>
     </ProjectReference>
     <ProjectReference Include="..\src\System.IO.FileSystem.DriveInfo.builds" />
   </ItemGroup>

src/libraries/System.IO.FileSystem.Primitives/pkg/System.IO.FileSystem.Primitives.pkgproj

-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="12.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <Import Project="$([MSBuild]::GetDirectoryNameOfFileAbove($(MSBuildThisFileDirectory), dir.props))\dir.props" />
   <ItemGroup>
     <ProjectReference Include="..\ref\System.IO.FileSystem.Primitives.csproj">
-      <SupportedFramework>net46;netcore50;netcoreapp1.0</SupportedFramework>
+      <SupportedFramework>net46;netcore50;netcoreapp1.0;$(AllXamarinFrameworks)</SupportedFramework>
     </ProjectReference>
     <ProjectReference Include="..\src\System.IO.FileSystem.Primitives.builds" />
   </ItemGroup>

src/libraries/System.IO.FileSystem.Watcher/pkg/System.IO.FileSystem.Watcher.pkgproj

-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="12.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <Import Project="$([MSBuild]::GetDirectoryNameOfFileAbove($(MSBuildThisFileDirectory), dir.props))\dir.props" />
   <ItemGroup>
     <ProjectReference Include="..\ref\System.IO.FileSystem.Watcher.csproj">
-      <SupportedFramework>net46;netcoreapp1.0</SupportedFramework>
+      <SupportedFramework>net46;netcoreapp1.0;$(AllXamarinFrameworks)</SupportedFramework>
     </ProjectReference>
     <ProjectReference Include="..\src\System.IO.FileSystem.Watcher.builds" />
 

src/libraries/System.IO.FileSystem/pkg/System.IO.FileSystem.pkgproj

-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="12.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <Import Project="$([MSBuild]::GetDirectoryNameOfFileAbove($(MSBuildThisFileDirectory), dir.props))\dir.props" />
   <ItemGroup>
     <ProjectReference Include="..\ref\System.IO.FileSystem.csproj">
-      <SupportedFramework>net46;netcore50;netcoreapp1.0</SupportedFramework>
+      <SupportedFramework>net46;netcore50;netcoreapp1.0;$(AllXamarinFrameworks)</SupportedFramework>
     </ProjectReference>
     <ProjectReference Include="..\src\System.IO.FileSystem.csproj">
       <TargetGroup>net46</TargetGroup>

src/libraries/System.IO.IsolatedStorage/pkg/System.IO.IsolatedStorage.pkgproj

-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="12.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <Import Project="$([MSBuild]::GetDirectoryNameOfFileAbove($(MSBuildThisFileDirectory), dir.props))\dir.props" />
   <ItemGroup>
     <ProjectReference Include="..\ref\System.IO.IsolatedStorage.csproj">
-      <SupportedFramework>netcore50</SupportedFramework>
+      <SupportedFramework>netcore50;$(AllXamarinFrameworks)</SupportedFramework>
     </ProjectReference>
     <ProjectReference Include="..\src\System.IO.IsolatedStorage.builds" />
   </ItemGroup>

src/libraries/System.IO.MemoryMappedFiles/pkg/System.IO.MemoryMappedFiles.pkgproj

-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="12.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <Import Project="$([MSBuild]::GetDirectoryNameOfFileAbove($(MSBuildThisFileDirectory), dir.props))\dir.props" />
   <ItemGroup>
     <ProjectReference Include="..\ref\System.IO.MemoryMappedFiles.csproj">
-      <SupportedFramework>net46;netcore50;netcoreapp1.0</SupportedFramework>
+      <SupportedFramework>net46;netcore50;netcoreapp1.0;$(AllXamarinFrameworks)</SupportedFramework>
     </ProjectReference>
     <ProjectReference Include="..\src\System.IO.MemoryMappedFiles.builds" />
   </ItemGroup>

src/libraries/System.IO.Packaging/pkg/System.IO.Packaging.pkgproj

@@ -4,7 +4,7 @@
 
   <ItemGroup>
     <ProjectReference Include="..\ref\System.IO.Packaging.csproj">
-      <SupportedFramework>net46;netcore50;netcoreapp1.0</SupportedFramework>
+      <SupportedFramework>net46;netcore50;netcoreapp1.0;$(AllXamarinFrameworks)</SupportedFramework>
     </ProjectReference>
     <ProjectReference Include="..\src\System.IO.Packaging.builds" />
   </ItemGroup>

src/libraries/System.IO.UnmanagedMemoryStream/pkg/System.IO.UnmanagedMemoryStream.pkgproj

-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="12.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <Import Project="$([MSBuild]::GetDirectoryNameOfFileAbove($(MSBuildThisFileDirectory), dir.props))\dir.props" />
   <ItemGroup>
     <ProjectReference Include="..\ref\System.IO.UnmanagedMemoryStream.csproj">
-      <SupportedFramework>net46;netcore50;netcoreapp1.0</SupportedFramework>
+      <SupportedFramework>net46;netcore50;netcoreapp1.0;$(AllXamarinFrameworks)</SupportedFramework>
     </ProjectReference>
     <ProjectReference Include="..\src\System.IO.UnmanagedMemoryStream.builds" />
   </ItemGroup>

src/libraries/System.IO/pkg/System.IO.pkgproj

-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="12.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <Import Project="$([MSBuild]::GetDirectoryNameOfFileAbove($(MSBuildThisFileDirectory), dir.props))\dir.props" />
   <ItemGroup>
@@ -9,7 +9,7 @@
       <SupportedFramework>net46;netcore50</SupportedFramework>
     </ProjectReference>
     <ProjectReference Include="..\ref\System.IO.csproj">
-      <SupportedFramework>net462;netcoreapp1.0</SupportedFramework>
+      <SupportedFramework>net462;netcoreapp1.0;$(AllXamarinFrameworks)</SupportedFramework>
     </ProjectReference>
     <ProjectReference Include="..\src\System.IO.csproj">
       <TargetGroup>net462</TargetGroup>

src/libraries/System.Linq.Expressions/pkg/System.Linq.Expressions.pkgproj

-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="12.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <Import Project="$([MSBuild]::GetDirectoryNameOfFileAbove($(MSBuildThisFileDirectory), dir.props))\dir.props" />
   <ItemGroup>
@@ -9,7 +9,7 @@
       <SupportedFramework>net46;netcore50</SupportedFramework>
     </ProjectReference>
     <ProjectReference Include="..\ref\System.Linq.Expressions.csproj">
-      <SupportedFramework>net463;netcoreapp1.0</SupportedFramework>
+      <SupportedFramework>net463;netcoreapp1.0;$(AllXamarinFrameworks)</SupportedFramework>
     </ProjectReference>
     <ProjectReference Include="..\src\System.Linq.Expressions.builds" />
     <InboxOnTargetFramework Include="MonoAndroid10" />

src/libraries/System.Linq.Parallel/pkg/System.Linq.Parallel.pkgproj

-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="12.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <PropertyGroup>
     <Version>4.0.2.0</Version>
@@ -6,7 +6,7 @@
   <Import Project="$([MSBuild]::GetDirectoryNameOfFileAbove($(MSBuildThisFileDirectory), dir.props))\dir.props" />
   <ItemGroup>
     <ProjectReference Include="..\ref\System.Linq.Parallel.csproj">
-      <SupportedFramework>net45;netcore45;netcoreapp1.0;wpa81</SupportedFramework>
+      <SupportedFramework>net45;netcore45;netcoreapp1.0;wpa81;$(AllXamarinFrameworks)</SupportedFramework>
     </ProjectReference>
     <ProjectReference Include="..\src\System.Linq.Parallel.builds" />
     <InboxOnTargetFramework Include="MonoAndroid10" />

src/libraries/System.Linq.Queryable/pkg/System.Linq.Queryable.pkgproj

-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="12.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <PropertyGroup>
     <Version>4.0.2.0</Version>
@@ -6,7 +6,7 @@
   <Import Project="$([MSBuild]::GetDirectoryNameOfFileAbove($(MSBuildThisFileDirectory), dir.props))\dir.props" />
   <ItemGroup>
     <ProjectReference Include="..\ref\System.Linq.Queryable.csproj">
-      <SupportedFramework>net45;netcore45;netcoreapp1.0;wp8;wpa81</SupportedFramework>
+      <SupportedFramework>net45;netcore45;netcoreapp1.0;wp8;wpa81;$(AllXamarinFrameworks)</SupportedFramework>
     </ProjectReference>
     <ProjectReference Include="..\src\System.Linq.Queryable.builds" />
     <InboxOnTargetFramework Include="monoandroid10" />

src/libraries/System.Linq/pkg/System.Linq.pkgproj

-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="12.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <Import Project="$([MSBuild]::GetDirectoryNameOfFileAbove($(MSBuildThisFileDirectory), dir.props))\dir.props" />
   <ItemGroup>
@@ -6,7 +6,7 @@
       <SupportedFramework>net45;netcore45;wp8;wpa81</SupportedFramework>
     </ProjectReference>
     <ProjectReference Include="..\ref\System.Linq.csproj">
-      <SupportedFramework>net463;netcoreapp1.0</SupportedFramework>
+      <SupportedFramework>net463;netcoreapp1.0;$(AllXamarinFrameworks)</SupportedFramework>
     </ProjectReference>
     <ProjectReference Include="..\src\System.Linq.builds" />
     <InboxOnTargetFramework Include="MonoAndroid10" />

src/libraries/System.Net.Http/pkg/System.Net.Http.pkgproj

-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="12.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <Import Project="$([MSBuild]::GetDirectoryNameOfFileAbove($(MSBuildThisFileDirectory), dir.props))\dir.props" />
   <ItemGroup>
@@ -6,7 +6,7 @@
       <SupportedFramework>net45;netcore45;wpa81</SupportedFramework>
     </ProjectReference>
     <ProjectReference Include="..\ref\System.Net.Http.csproj">
-      <SupportedFramework>net46;netcore50;netcoreapp1.0</SupportedFramework>
+      <SupportedFramework>net46;netcore50;netcoreapp1.0;$(AllXamarinFrameworks)</SupportedFramework>
     </ProjectReference>
     <ProjectReference Include="..\src\System.Net.Http.builds" />
   </ItemGroup>

src/libraries/System.Net.NameResolution/pkg/System.Net.NameResolution.pkgproj

-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="12.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <Import Project="$([MSBuild]::GetDirectoryNameOfFileAbove($(MSBuildThisFileDirectory), dir.props))\dir.props" />
   <ItemGroup>
     <ProjectReference Include="..\ref\System.Net.NameResolution.csproj">
-      <SupportedFramework>net46;netcore50;netcoreapp1.0</SupportedFramework>
+      <SupportedFramework>net46;netcore50;netcoreapp1.0;$(AllXamarinFrameworks)</SupportedFramework>
     </ProjectReference>
     <ProjectReference Include="..\src\System.Net.NameResolution.builds" />
   </ItemGroup>

src/libraries/System.Net.NetworkInformation/pkg/System.Net.NetworkInformation.pkgproj

-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="12.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <Import Project="$([MSBuild]::GetDirectoryNameOfFileAbove($(MSBuildThisFileDirectory), dir.props))\dir.props" />
   <ItemGroup>
@@ -6,7 +6,7 @@
       <SupportedFramework>net45;netcore45;wp8;wpa81</SupportedFramework>
     </ProjectReference>
     <ProjectReference Include="..\ref\System.Net.NetworkInformation.csproj">
-      <SupportedFramework>net46;netcore50;netcoreapp1.0</SupportedFramework>
+      <SupportedFramework>net46;netcore50;netcoreapp1.0;$(AllXamarinFrameworks)</SupportedFramework>
     </ProjectReference>
     <ProjectReference Include="..\src\System.Net.NetworkInformation.builds" />
   </ItemGroup>

src/libraries/System.Net.Ping/pkg/System.Net.Ping.pkgproj

@@ -4,7 +4,7 @@
 
   <ItemGroup>
     <ProjectReference Include="..\ref\System.Net.Ping.csproj">
-      <SupportedFramework>net46;netcoreapp1.0</SupportedFramework>
+      <SupportedFramework>net46;netcoreapp1.0;$(AllXamarinFrameworks)</SupportedFramework>
     </ProjectReference>
     <ProjectReference Include="..\src\System.Net.Ping.builds" />
   </ItemGroup>
@@ -14,6 +14,8 @@
     <InboxOnTargetFramework Include="MonoTouch10" />
     <InboxOnTargetFramework Include="xamarinios10" />
     <InboxOnTargetFramework Include="xamarinmac20" />
+    <InboxOnTargetFramework Include="xamarintvos10" />
+    <InboxOnTargetFramework Include="xamarinwatchos10" />
 
     <NotSupportedOnTargetFramework Include="netcore50">
       <PackageTargetRuntime>win7</PackageTargetRuntime>

src/libraries/System.Net.Primitives/pkg/System.Net.Primitives.pkgproj

-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="12.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <PropertyGroup>
     <Version>4.0.12.0</Version>
@@ -12,7 +12,7 @@
       <SupportedFramework>net45;netcore45;wpa81</SupportedFramework>
     </ProjectReference>
     <ProjectReference Include="..\ref\System.Net.Primitives.csproj">
-      <SupportedFramework>net46;netcore50;netcoreapp1.0</SupportedFramework>
+      <SupportedFramework>net46;netcore50;netcoreapp1.0;$(AllXamarinFrameworks)</SupportedFramework>
     </ProjectReference>
     <InboxOnTargetFramework Include="MonoAndroid10" />
     <InboxOnTargetFramework Include="MonoTouch10" />

src/libraries/System.Net.Requests/pkg/System.Net.Requests.pkgproj

-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="12.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <PropertyGroup>
     <Version>4.0.12.0</Version>
@@ -12,7 +12,7 @@
       <SupportedFramework>net45;netcore45;wpa81</SupportedFramework>
     </ProjectReference>
     <ProjectReference Include="..\ref\System.Net.Requests.csproj">
-      <SupportedFramework>net46;netcore50;netcoreapp1.0</SupportedFramework>
+      <SupportedFramework>net46;netcore50;netcoreapp1.0;$(AllXamarinFrameworks)</SupportedFramework>
     </ProjectReference>
     <ProjectReference Include="..\src\System.Net.Requests.builds" />
   </ItemGroup>

src/libraries/System.Net.Security/pkg/System.Net.Security.pkgproj

-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="12.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <Import Project="$([MSBuild]::GetDirectoryNameOfFileAbove($(MSBuildThisFileDirectory), dir.props))\dir.props" />
   <ItemGroup>
     <ProjectReference Include="..\ref\System.Net.Security.csproj">
-      <SupportedFramework>net46;netcoreapp1.0</SupportedFramework>
+      <SupportedFramework>net46;netcoreapp1.0;$(AllXamarinFrameworks)</SupportedFramework>
     </ProjectReference>
     <ProjectReference Include="..\src\System.Net.Security.builds" />
   </ItemGroup>

src/libraries/System.Net.Sockets/pkg/System.Net.Sockets.pkgproj

-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="12.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <Import Project="$([MSBuild]::GetDirectoryNameOfFileAbove($(MSBuildThisFileDirectory), dir.props))\dir.props" />
   <ItemGroup>
     <ProjectReference Include="..\ref\System.Net.Sockets.csproj">
-      <SupportedFramework>net46;netcore50;netcoreapp1.0</SupportedFramework>
+      <SupportedFramework>net46;netcore50;netcoreapp1.0;$(AllXamarinFrameworks)</SupportedFramework>
     </ProjectReference>
     <ProjectReference Include="..\src\System.Net.Sockets.csproj">
       <TargetGroup>net46</TargetGroup>

src/libraries/System.Net.WebHeaderCollection/pkg/System.Net.WebHeaderCollection.pkgproj

-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="12.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <PropertyGroup>
     <Version>4.0.2.0</Version>
@@ -6,7 +6,7 @@
   <Import Project="$([MSBuild]::GetDirectoryNameOfFileAbove($(MSBuildThisFileDirectory), dir.props))\dir.props" />
   <ItemGroup>
     <ProjectReference Include="..\ref\System.Net.WebHeaderCollection.csproj">
-      <SupportedFramework>net46;netcore50;netcoreapp1.0</SupportedFramework>
+      <SupportedFramework>net46;netcore50;netcoreapp1.0;$(AllXamarinFrameworks)</SupportedFramework>
     </ProjectReference>
     <ProjectReference Include="..\src\System.Net.WebHeaderCollection.builds" />
     <InboxOnTargetFramework Include="MonoAndroid10" />

src/libraries/System.Net.WebSockets.Client/pkg/System.Net.WebSockets.Client.pkgproj

-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="12.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <Import Project="$([MSBuild]::GetDirectoryNameOfFileAbove($(MSBuildThisFileDirectory), dir.props))\dir.props" />
   <ItemGroup>
     <ProjectReference Include="..\ref\System.Net.WebSockets.Client.csproj">
-      <SupportedFramework>net46;netcore50;netcoreapp1.0</SupportedFramework>
+      <SupportedFramework>net46;netcore50;netcoreapp1.0;$(AllXamarinFrameworks)</SupportedFramework>
     </ProjectReference>
     <ProjectReference Include="..\src\System.Net.WebSockets.Client.builds" />
   </ItemGroup>

src/libraries/System.Net.WebSockets/pkg/System.Net.WebSockets.pkgproj

-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="12.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <Import Project="$([MSBuild]::GetDirectoryNameOfFileAbove($(MSBuildThisFileDirectory), dir.props))\dir.props" />
   <ItemGroup>
     <ProjectReference Include="..\ref\System.Net.WebSockets.csproj">
-      <SupportedFramework>net46;netcore50;netcoreapp1.0</SupportedFramework>
+      <SupportedFramework>net46;netcore50;netcoreapp1.0;$(AllXamarinFrameworks)</SupportedFramework>
     </ProjectReference>
     <ProjectReference Include="..\src\System.Net.WebSockets.builds" />
   </ItemGroup>

src/libraries/System.Numerics.Vectors/pkg/System.Numerics.Vectors.pkgproj

-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="12.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <Import Project="$([MSBuild]::GetDirectoryNameOfFileAbove($(MSBuildThisFileDirectory), dir.props))\dir.props" />
   <PropertyGroup>
@@ -7,7 +7,7 @@
   </PropertyGroup>
   <ItemGroup>
     <ProjectReference Include="..\ref\System.Numerics.Vectors.csproj">
-      <SupportedFramework>net45;netcore45;wp8;wpa81;netcoreapp1.0</SupportedFramework>
+      <SupportedFramework>net45;netcore45;wp8;wpa81;netcoreapp1.0;$(AllXamarinFrameworks)</SupportedFramework>
     </ProjectReference>
     <ProjectReference Include="..\src\System.Numerics.Vectors.builds" />
   </ItemGroup>

src/libraries/System.ObjectModel/pkg/System.ObjectModel.pkgproj

-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="12.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <PropertyGroup>
     <Version>4.0.13.0</Version>
@@ -9,7 +9,7 @@
       <SupportedFramework>net45;netcore45;wp8;wpa81</SupportedFramework>
     </ProjectReference>
     <ProjectReference Include="..\ref\System.ObjectModel.csproj">
-      <SupportedFramework>net46;netcore50;netcoreapp1.0</SupportedFramework>
+      <SupportedFramework>net46;netcore50;netcoreapp1.0;$(AllXamarinFrameworks)</SupportedFramework>
     </ProjectReference>
     <ProjectReference Include="..\src\System.ObjectModel.builds" />
     <InboxOnTargetFramework Include="MonoAndroid10" />

src/libraries/System.Reflection.Context/pkg/System.Reflection.Context.pkgproj

@@ -6,12 +6,14 @@
   <Import Project="$([MSBuild]::GetDirectoryNameOfFileAbove($(MSBuildThisFileDirectory), dir.props))\dir.props" />
   <ItemGroup>
     <ProjectReference Include="..\ref\System.Reflection.Context.csproj">
-      <SupportedFramework>net45;netcore45;wpa81;netcoreapp1.0</SupportedFramework>
+      <SupportedFramework>net45;netcore45;wpa81;netcoreapp1.0;$(AllXamarinFrameworks)</SupportedFramework>
     </ProjectReference>
     <ProjectReference Include="..\src\System.Reflection.Context.builds" />
     <InboxOnTargetFramework Include="net45" />
     <InboxOnTargetFramework Include="win8" />
     <InboxOnTargetFramework Include="portable-net45+win8" />
+    <!-- Xamarin doesn't include a DLL for this but is getting placeholders from portable-net45+win8 -->
+    <OutOfBoxFramework Include="$(AllXamarinFrameworks)" />
   </ItemGroup>
   <Import Project="$([MSBuild]::GetDirectoryNameOfFileAbove($(MSBuildThisFileDirectory), dir.targets))\dir.targets" />
 </Project>
\ No newline at end of file

src/libraries/System.Reflection.DispatchProxy/pkg/System.Reflection.DispatchProxy.pkgproj

-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="12.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <Import Project="$([MSBuild]::GetDirectoryNameOfFileAbove($(MSBuildThisFileDirectory), dir.props))\dir.props" />
   <ItemGroup>
     <ProjectReference Include="..\ref\System.Reflection.DispatchProxy.csproj">
-      <SupportedFramework>net46;netcore50;netcoreapp1.0</SupportedFramework>
+      <SupportedFramework>net46;netcore50;netcoreapp1.0;$(AllXamarinFrameworks)</SupportedFramework>
     </ProjectReference>
     <ProjectReference Include="..\src\System.Reflection.DispatchProxy.builds" />
   </ItemGroup>

src/libraries/System.Reflection.Emit.ILGeneration/pkg/System.Reflection.Emit.ILGeneration.pkgproj

@@ -6,12 +6,15 @@
   <Import Project="$([MSBuild]::GetDirectoryNameOfFileAbove($(MSBuildThisFileDirectory), dir.props))\dir.props" />
   <ItemGroup>
     <ProjectReference Include="..\ref\System.Reflection.Emit.ILGeneration.csproj">
-      <SupportedFramework>net45;netcoreapp1.0;wp8</SupportedFramework>
+      <SupportedFramework>net45;netcoreapp1.0;wp8;$(AllXamarinFrameworks)</SupportedFramework>
     </ProjectReference>
     <ProjectReference Include="..\src\System.Reflection.Emit.ILGeneration.builds" />
     <InboxOnTargetFramework Include="net45" />
     <InboxOnTargetFramework Include="wp80" />
     <InboxOnTargetFramework Include="portable-net45+wp8" />
+    <!-- MonoTouch, Xamarin.iOS, Xamarin.TVOS, and Xamarain.WatchOS don't actually support this, 
+         but do support a PCL profile that contained it so we must treat as inbox -->
+    <InboxOnTargetFramework Include="$(AllXamarinFrameworks)" />
     <!-- ensure that no lib is in scope for AOT since this isn't supported -->
     <File Include="$(PlaceholderFile)">
       <TargetPath>runtimes/aot/lib/netcore50</TargetPath>

src/libraries/System.Reflection.Emit.Lightweight/pkg/System.Reflection.Emit.Lightweight.pkgproj

@@ -6,12 +6,15 @@
   <Import Project="$([MSBuild]::GetDirectoryNameOfFileAbove($(MSBuildThisFileDirectory), dir.props))\dir.props" />
   <ItemGroup>
     <ProjectReference Include="..\ref\System.Reflection.Emit.Lightweight.csproj">
-      <SupportedFramework>net45;netcoreapp1.0;wp8</SupportedFramework>
+      <SupportedFramework>net45;netcoreapp1.0;wp8;$(AllXamarinFrameworks)</SupportedFramework>
     </ProjectReference>
     <ProjectReference Include="..\src\System.Reflection.Emit.Lightweight.builds" />
     <InboxOnTargetFramework Include="net45" />
     <InboxOnTargetFramework Include="wp80" />
     <InboxOnTargetFramework Include="portable-net45+wp8" />
+    <!-- MonoTouch, Xamarin.iOS, Xamarin.TVOS, and Xamarain.WatchOS don't actually support this, 
+         but do support a PCL profile that contained it so we must treat as inbox -->
+    <InboxOnTargetFramework Include="$(AllXamarinFrameworks)" />
     <!-- This dependency is not suported on AOT, but that is OK since this package is
          restricted from AOT via runtime.json -->
     <SuppressDependencyError Include="System.Reflection.Emit.ILGeneration">

src/libraries/System.Reflection.Emit/pkg/System.Reflection.Emit.pkgproj

@@ -6,12 +6,16 @@
   <Import Project="$([MSBuild]::GetDirectoryNameOfFileAbove($(MSBuildThisFileDirectory), dir.props))\dir.props" />
   <ItemGroup>
     <ProjectReference Include="..\ref\System.Reflection.Emit.csproj">
-      <SupportedFramework>net45;netcore50;netcoreapp1.0</SupportedFramework>
+      <SupportedFramework>net45;netcore50;netcoreapp1.0;MonoAndroid10;xamarinmac20</SupportedFramework>
     </ProjectReference>
     <ProjectReference Include="..\src\System.Reflection.Emit.builds" />
     <InboxOnTargetFramework Include="MonoAndroid10" />
     <InboxOnTargetFramework Include="net45" />
     <InboxOnTargetFramework Include="xamarinmac20" />
+    <NotSupportedOnTargetFramework Include="monotouch10" />
+    <NotSupportedOnTargetFramework Include="xamarinios10" />
+    <NotSupportedOnTargetFramework Include="xamarintvos10" />
+    <NotSupportedOnTargetFramework Include="xamarinwatchos10" />
     <!-- ensure that no lib is in scope for AOT since this isn't supported 
     <File Include="$(PlaceholderFile)">
       <TargetPath>runtimes/aot/lib/netcore50</TargetPath>

src/libraries/System.Reflection.Extensions/pkg/System.Reflection.Extensions.pkgproj

-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="12.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <PropertyGroup>
     <Version>4.0.2.0</Version>
@@ -6,7 +6,7 @@
   <Import Project="$([MSBuild]::GetDirectoryNameOfFileAbove($(MSBuildThisFileDirectory), dir.props))\dir.props" />
   <ItemGroup>
     <ProjectReference Include="..\ref\System.Reflection.Extensions.csproj">
-      <SupportedFramework>net45;netcore45;netcoreapp1.0;wp8;wpa81</SupportedFramework>
+      <SupportedFramework>net45;netcore45;netcoreapp1.0;wp8;wpa81;$(AllXamarinFrameworks)</SupportedFramework>
     </ProjectReference>
     <ProjectReference Include="any\System.Reflection.Extensions.pkgproj" />
     <ProjectReference Include="aot\System.Reflection.Extensions.pkgproj" />

src/libraries/System.Reflection.Metadata/pkg/System.Reflection.Metadata.pkgproj

@@ -8,7 +8,7 @@
 
   <ItemGroup>
     <ProjectReference Include="..\src\System.Reflection.Metadata.csproj">
-      <SupportedFramework>net45;netcore45;netcoreapp1.0;wpa81</SupportedFramework>
+      <SupportedFramework>net45;netcore45;netcoreapp1.0;wpa81;$(AllXamarinFrameworks)</SupportedFramework>
     </ProjectReference>
     <Dependency Include="System.Collections.Immutable">
       <TargetFramework>portable-net45+win8</TargetFramework>

src/libraries/System.Reflection.Primitives/pkg/System.Reflection.Primitives.pkgproj

-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="12.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <PropertyGroup>
     <Version>4.0.2.0</Version>
@@ -6,7 +6,7 @@
   <Import Project="$([MSBuild]::GetDirectoryNameOfFileAbove($(MSBuildThisFileDirectory), dir.props))\dir.props" />
   <ItemGroup>
     <ProjectReference Include="..\ref\System.Reflection.Primitives.csproj">
-      <SupportedFramework>net45;netcore45;netcoreapp1.0;wp8;wpa81</SupportedFramework>
+      <SupportedFramework>net45;netcore45;netcoreapp1.0;wp8;wpa81;$(AllXamarinFrameworks)</SupportedFramework>
     </ProjectReference>
     <ProjectReference Include="any\System.Reflection.Primitives.pkgproj" />
     <ProjectReference Include="aot\System.Reflection.Primitives.pkgproj" />

src/libraries/System.Reflection.TypeExtensions/pkg/System.Reflection.TypeExtensions.pkgproj

-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="12.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <Import Project="$([MSBuild]::GetDirectoryNameOfFileAbove($(MSBuildThisFileDirectory), dir.props))\dir.props" />
   <ItemGroup>
@@ -6,7 +6,7 @@
       <SupportedFramework>net46;netcore50</SupportedFramework>
     </ProjectReference>
     <ProjectReference Include="..\ref\System.Reflection.TypeExtensions.csproj">
-      <SupportedFramework>net462;netcoreapp1.0</SupportedFramework>
+      <SupportedFramework>net462;netcoreapp1.0;$(AllXamarinFrameworks)</SupportedFramework>
     </ProjectReference>
     <ProjectReference Include="..\src\System.Reflection.TypeExtensions.builds" />
   </ItemGroup>

src/libraries/System.Reflection/pkg/System.Reflection.pkgproj

-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="12.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <Import Project="$([MSBuild]::GetDirectoryNameOfFileAbove($(MSBuildThisFileDirectory), dir.props))\dir.props" />
   <ItemGroup>
@@ -9,7 +9,7 @@
       <SupportedFramework>net46;netcore50</SupportedFramework>
     </ProjectReference>
     <ProjectReference Include="..\ref\System.Reflection.csproj">
-      <SupportedFramework>net462;netcoreapp1.0</SupportedFramework>
+      <SupportedFramework>net462;netcoreapp1.0;$(AllXamarinFrameworks)</SupportedFramework>
     </ProjectReference>
     <ProjectReference Include="..\src\System.Reflection.csproj">
       <TargetGroup>net462</TargetGroup>

src/libraries/System.Resources.Reader/pkg/System.Resources.Reader.pkgproj

@@ -4,7 +4,7 @@
 
   <ItemGroup>
     <ProjectReference Include="..\src\System.Resources.Reader.builds">
-      <SupportedFramework>net45;netcore45;netcoreapp1.0;wp8;wpa81</SupportedFramework>
+      <SupportedFramework>net45;netcore45;netcoreapp1.0;wp8;wpa81;$(AllXamarinFrameworks)</SupportedFramework>
     </ProjectReference>
   </ItemGroup>
 

src/libraries/System.Resources.ResourceManager/pkg/System.Resources.ResourceManager.pkgproj

-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="12.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <PropertyGroup>
     <Version>4.0.2.0</Version>
@@ -6,7 +6,7 @@
   <Import Project="$([MSBuild]::GetDirectoryNameOfFileAbove($(MSBuildThisFileDirectory), dir.props))\dir.props" />
   <ItemGroup>
     <ProjectReference Include="..\ref\System.Resources.ResourceManager.csproj">
-      <SupportedFramework>net45;netcore45;netcoreapp1.0;wp8;wpa81</SupportedFramework>
+      <SupportedFramework>net45;netcore45;netcoreapp1.0;wp8;wpa81;$(AllXamarinFrameworks)</SupportedFramework>
     </ProjectReference>
     <ProjectReference Include="any\System.Resources.ResourceManager.pkgproj" />
     <ProjectReference Include="aot\System.Resources.ResourceManager.pkgproj" />

src/libraries/System.Resources.Writer/pkg/System.Resources.Writer.pkgproj

@@ -4,7 +4,7 @@
 
   <ItemGroup>
     <ProjectReference Include="..\src\System.Resources.Writer.builds">
-      <SupportedFramework>net46;netcore50;netcoreapp1.0</SupportedFramework>
+      <SupportedFramework>net46;netcore50;netcoreapp1.0;$(AllXamarinFrameworks)</SupportedFramework>
     </ProjectReference>
   </ItemGroup>
 

src/libraries/System.Runtime.CompilerServices.Unsafe/pkg/System.Runtime.CompilerServices.Unsafe.pkgproj

@@ -3,7 +3,7 @@
   <Import Project="$([MSBuild]::GetDirectoryNameOfFileAbove($(MSBuildThisFileDirectory), dir.props))\dir.props" />
   <ItemGroup>
     <ProjectReference Include="..\src\System.Runtime.CompilerServices.Unsafe.ilproj">
-      <SupportedFramework>net45;netcore45;wp8;wpa81;netcoreapp1.0</SupportedFramework>
+      <SupportedFramework>net45;netcore45;wp8;wpa81;netcoreapp1.0;$(AllXamarinFrameworks)</SupportedFramework>
     </ProjectReference>
   </ItemGroup>
   <Import Project="$([MSBuild]::GetDirectoryNameOfFileAbove($(MSBuildThisFileDirectory), dir.targets))\dir.targets" />

src/libraries/System.Runtime.CompilerServices.VisualC/pkg/System.Runtime.CompilerServices.VisualC.pkgproj

-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="12.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <Import Project="$([MSBuild]::GetDirectoryNameOfFileAbove($(MSBuildThisFileDirectory), dir.props))\dir.props" />
   <ItemGroup>
     <ProjectReference Include="..\ref\System.Runtime.CompilerServices.VisualC.csproj">
-      <SupportedFramework>net46;netcoreapp1.0</SupportedFramework>
+      <SupportedFramework>net46;netcoreapp1.0;$(AllXamarinFrameworks)</SupportedFramework>
     </ProjectReference>
     <ProjectReference Include="..\src\System.Runtime.CompilerServices.VisualC.builds" />
   </ItemGroup>

src/libraries/System.Runtime.Extensions/pkg/System.Runtime.Extensions.pkgproj

-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="12.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <Import Project="$([MSBuild]::GetDirectoryNameOfFileAbove($(MSBuildThisFileDirectory), dir.props))\dir.props" />
   <ItemGroup>
@@ -9,7 +9,7 @@
       <SupportedFramework>net46;netcore50</SupportedFramework>
     </ProjectReference>
     <ProjectReference Include="..\ref\System.Runtime.Extensions.csproj">
-      <SupportedFramework>netcoreapp1.0;net462</SupportedFramework>
+      <SupportedFramework>netcoreapp1.0;net462;$(AllXamarinFrameworks)</SupportedFramework>
     </ProjectReference>
     <ProjectReference Include="..\src\System.Runtime.Extensions.csproj">
       <TargetGroup>net462</TargetGroup>

src/libraries/System.Runtime.Handles/pkg/System.Runtime.Handles.pkgproj

-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="12.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <PropertyGroup>
     <Version>4.0.2.0</Version>
@@ -6,7 +6,7 @@
   <Import Project="$([MSBuild]::GetDirectoryNameOfFileAbove($(MSBuildThisFileDirectory), dir.props))\dir.props" />
   <ItemGroup>
     <ProjectReference Include="..\ref\System.Runtime.Handles.csproj">
-      <SupportedFramework>net46;netcore50;netcoreapp1.0</SupportedFramework>
+      <SupportedFramework>net46;netcore50;netcoreapp1.0;$(AllXamarinFrameworks)</SupportedFramework>
     </ProjectReference>
     <ProjectReference Include="any\System.Runtime.Handles.pkgproj" />
     <ProjectReference Include="aot\System.Runtime.Handles.pkgproj" />

src/libraries/System.Runtime.InteropServices.RuntimeInformation/pkg/System.Runtime.InteropServices.RuntimeInformation.pkgproj

-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="12.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <Import Project="$([MSBuild]::GetDirectoryNameOfFileAbove($(MSBuildThisFileDirectory), dir.props))\dir.props" />
   <ItemGroup>
     <ProjectReference Include="..\ref\System.Runtime.InteropServices.RuntimeInformation.csproj">
-      <SupportedFramework>net45;netcore45;wpa81;netcoreapp1.0</SupportedFramework>
+      <SupportedFramework>net45;netcore45;wpa81;netcoreapp1.0;$(AllXamarinFrameworks)</SupportedFramework>
     </ProjectReference>
     <ProjectReference Include="..\src\System.Runtime.InteropServices.RuntimeInformation.builds" />
   </ItemGroup>

src/libraries/System.Runtime.InteropServices.WindowsRuntime/pkg/System.Runtime.InteropServices.WindowsRuntime.pkgproj

-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="12.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <PropertyGroup>
     <Version>4.0.2.0</Version>
@@ -6,7 +6,7 @@
   <Import Project="$([MSBuild]::GetDirectoryNameOfFileAbove($(MSBuildThisFileDirectory), dir.props))\dir.props" />
   <ItemGroup>
     <ProjectReference Include="..\ref\System.Runtime.InteropServices.WindowsRuntime.csproj">
-      <SupportedFramework>net45;netcoreapp1.0;netcore45;wp8;wpa81</SupportedFramework>
+      <SupportedFramework>net45;netcoreapp1.0;netcore45;wp8;wpa81;$(AllXamarinFrameworks)</SupportedFramework>
     </ProjectReference>
     <ProjectReference Include="..\src\System.Runtime.InteropServices.WindowsRuntime.builds" />
     <InboxOnTargetFramework Include="net45" />
@@ -14,7 +14,7 @@
     <InboxOnTargetFramework Include="wp80" />
     <InboxOnTargetFramework Include="wpa81" />
     <InboxOnTargetFramework Include="portable-net45+win8+wp8+wpa81" />
-    <NotSupportedOnTargetFramework Include="xamarinios1" />
+    <InboxOnTargetFramework Include="$(AllXamarinFrameworks)" />
   </ItemGroup>
   <Import Project="$([MSBuild]::GetDirectoryNameOfFileAbove($(MSBuildThisFileDirectory), dir.targets))\dir.targets" />
 </Project>
\ No newline at end of file

src/libraries/System.Runtime.InteropServices/pkg/System.Runtime.InteropServices.pkgproj

-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="12.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <Import Project="$([MSBuild]::GetDirectoryNameOfFileAbove($(MSBuildThisFileDirectory), dir.props))\dir.props" />
   <ItemGroup>
@@ -15,7 +15,7 @@
       <SupportedFramework>net462</SupportedFramework>
     </ProjectReference>
     <ProjectReference Include="..\ref\System.Runtime.InteropServices.csproj">
-      <SupportedFramework>net463;netcoreapp1.0</SupportedFramework>
+      <SupportedFramework>net463;netcoreapp1.0;$(AllXamarinFrameworks)</SupportedFramework>
     </ProjectReference>
     <ProjectReference Include="..\src\redist\net462\System.Runtime.InteropServices.depproj">
       <TargetGroup>net462</TargetGroup>

src/libraries/System.Runtime.Loader/pkg/System.Runtime.Loader.pkgproj

@@ -9,6 +9,7 @@
     <ProjectReference Include="..\src\System.Runtime.Loader.builds"/>
     
     <NotSupportedOnTargetFramework Include="net462" />
+    <NotSupportedOnTargetFramework Include="$(AllXamarinFrameworks)" />
   </ItemGroup>
   
   <Import Project="$([MSBuild]::GetDirectoryNameOfFileAbove($(MSBuildThisFileDirectory), dir.targets))\dir.targets" />

src/libraries/System.Runtime.Numerics/pkg/System.Runtime.Numerics.pkgproj

-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="12.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <PropertyGroup>
     <Version>4.0.2.0</Version>
@@ -6,7 +6,7 @@
   <Import Project="$([MSBuild]::GetDirectoryNameOfFileAbove($(MSBuildThisFileDirectory), dir.props))\dir.props" />
   <ItemGroup>
     <ProjectReference Include="..\ref\System.Runtime.Numerics.csproj">
-      <SupportedFramework>net45;netcore45;netcoreapp1.0;wpa81</SupportedFramework>
+      <SupportedFramework>net45;netcore45;netcoreapp1.0;wpa81;$(AllXamarinFrameworks)</SupportedFramework>
     </ProjectReference>
     <ProjectReference Include="..\src\System.Runtime.Numerics.builds" />
     <InboxOnTargetFramework Include="MonoAndroid10" />

src/libraries/System.Runtime.Serialization.Formatters/pkg/System.Runtime.Serialization.Formatters.pkgproj

-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="12.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <Import Project="$([MSBuild]::GetDirectoryNameOfFileAbove($(MSBuildThisFileDirectory), dir.props))\dir.props" />
   <ItemGroup>  
     <ProjectReference Include="..\ref\System.Runtime.Serialization.Formatters.csproj">
-      <SupportedFramework>net46;netcore50;netcoreapp1.0</SupportedFramework>
+      <SupportedFramework>net46;netcore50;netcoreapp1.0;$(AllXamarinFrameworks)</SupportedFramework>
     </ProjectReference>
     <ProjectReference Include="..\src\System.Runtime.Serialization.Formatters.builds" />
     <InboxOnTargetFramework Include="MonoAndroid10" />

src/libraries/System.Runtime.Serialization.Json/pkg/System.Runtime.Serialization.Json.pkgproj

-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="12.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <PropertyGroup>
     <Version>4.0.3.0</Version>
@@ -6,7 +6,7 @@
   <Import Project="$([MSBuild]::GetDirectoryNameOfFileAbove($(MSBuildThisFileDirectory), dir.props))\dir.props" />
   <ItemGroup>
     <ProjectReference Include="..\ref\System.Runtime.Serialization.Json.csproj">
-      <SupportedFramework>net45;netcore45;netcoreapp1.0;wp8;wpa81</SupportedFramework>
+      <SupportedFramework>net45;netcore45;netcoreapp1.0;wp8;wpa81;$(AllXamarinFrameworks)</SupportedFramework>
     </ProjectReference>
     <ProjectReference Include="..\src\System.Runtime.Serialization.Json.builds" />
     <InboxOnTargetFramework Include="MonoAndroid10" />

src/libraries/System.Runtime.Serialization.Primitives/pkg/System.Runtime.Serialization.Primitives.pkgproj

-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="12.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <Import Project="$([MSBuild]::GetDirectoryNameOfFileAbove($(MSBuildThisFileDirectory), dir.props))\dir.props" />
   <ItemGroup>
@@ -6,7 +6,7 @@
       <SupportedFramework>net45;netcore45;wp8;wpa81</SupportedFramework>
     </ProjectReference>
     <ProjectReference Include="..\ref\System.Runtime.Serialization.Primitives.csproj">
-      <SupportedFramework>net46;netcore50;netcoreapp1.0</SupportedFramework>
+      <SupportedFramework>net46;netcore50;netcoreapp1.0;$(AllXamarinFrameworks)</SupportedFramework>
     </ProjectReference>
     <ProjectReference Include="..\src\System.Runtime.Serialization.Primitives.builds" />
     <InboxOnTargetFramework Include="MonoAndroid10" />

src/libraries/System.Runtime.Serialization.Xml/pkg/System.Runtime.Serialization.Xml.pkgproj

-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="12.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <Import Project="$([MSBuild]::GetDirectoryNameOfFileAbove($(MSBuildThisFileDirectory), dir.props))\dir.props" />
   <ItemGroup>
@@ -6,7 +6,7 @@
       <SupportedFramework>net45;netcore45;wp8;wpa81</SupportedFramework>
     </ProjectReference>
     <ProjectReference Include="..\ref\System.Runtime.Serialization.Xml.csproj">
-      <SupportedFramework>net46;netcore50;netcoreapp1.0</SupportedFramework>
+      <SupportedFramework>net46;netcore50;netcoreapp1.0;$(AllXamarinFrameworks)</SupportedFramework>
     </ProjectReference>
     <ProjectReference Include="..\src\System.Runtime.Serialization.Xml.builds" />
     <InboxOnTargetFramework Include="MonoAndroid10" />

src/libraries/System.Runtime/pkg/System.Runtime.pkgproj

-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="12.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <Import Project="$([MSBuild]::GetDirectoryNameOfFileAbove($(MSBuildThisFileDirectory), dir.props))\dir.props" />
   <ItemGroup>
@@ -12,7 +12,7 @@
       <SupportedFramework>net46;netcore50</SupportedFramework>
     </ProjectReference>
     <ProjectReference Include="..\ref\System.Runtime.csproj">
-      <SupportedFramework>net462;netcoreapp1.0</SupportedFramework>
+      <SupportedFramework>net462;netcoreapp1.0;$(AllXamarinFrameworks)</SupportedFramework>
     </ProjectReference>
     <ProjectReference Include="..\src\System.Runtime.csproj">
       <TargetGroup>net462</TargetGroup>

src/libraries/System.Security.Claims/pkg/System.Security.Claims.pkgproj

-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="12.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <Import Project="$([MSBuild]::GetDirectoryNameOfFileAbove($(MSBuildThisFileDirectory), dir.props))\dir.props" />
   <ItemGroup>
     <ProjectReference Include="..\ref\System.Security.Claims.csproj">
-      <SupportedFramework>net46;netcore50;netcoreapp1.0</SupportedFramework>
+      <SupportedFramework>net46;netcore50;netcoreapp1.0;$(AllXamarinFrameworks)</SupportedFramework>
     </ProjectReference>
     <ProjectReference Include="..\src\System.Security.Claims.builds" />
   </ItemGroup>

src/libraries/System.Security.Cryptography.Algorithms/pkg/System.Security.Cryptography.Algorithms.pkgproj

-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="12.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <Import Project="$([MSBuild]::GetDirectoryNameOfFileAbove($(MSBuildThisFileDirectory), dir.props))\dir.props" />
   <ItemGroup>
@@ -9,7 +9,7 @@
       <SupportedFramework>net461;netcore50</SupportedFramework>
     </ProjectReference>
     <ProjectReference Include="..\ref\System.Security.Cryptography.Algorithms.csproj">
-      <SupportedFramework>net463;netcoreapp1.0</SupportedFramework>
+      <SupportedFramework>net463;netcoreapp1.0;$(AllXamarinFrameworks)</SupportedFramework>
     </ProjectReference>
     <ProjectReference Include="..\src\System.Security.Cryptography.Algorithms.builds" />
     <InboxOnTargetFramework Include="MonoAndroid10" />

src/libraries/System.Security.Cryptography.Csp/pkg/System.Security.Cryptography.Csp.pkgproj

-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="12.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <Import Project="$([MSBuild]::GetDirectoryNameOfFileAbove($(MSBuildThisFileDirectory), dir.props))\dir.props" />
   <ItemGroup>
     <ProjectReference Include="..\ref\System.Security.Cryptography.Csp.csproj">
-      <SupportedFramework>net46;netcoreapp1.0</SupportedFramework>
+      <SupportedFramework>net46;netcoreapp1.0;$(AllXamarinFrameworks)</SupportedFramework>
     </ProjectReference>
     <ProjectReference Include="..\src\System.Security.Cryptography.Csp.builds" />
     <NotSupportedOnTargetFramework Include="netcore50">

src/libraries/System.Security.Cryptography.Encoding/pkg/System.Security.Cryptography.Encoding.pkgproj

-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="12.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <Import Project="$([MSBuild]::GetDirectoryNameOfFileAbove($(MSBuildThisFileDirectory), dir.props))\dir.props" />
   <ItemGroup>
     <ProjectReference Include="..\ref\System.Security.Cryptography.Encoding.csproj">
-      <SupportedFramework>net46;netcore50;netcoreapp1.0</SupportedFramework>
+      <SupportedFramework>net46;netcore50;netcoreapp1.0;$(AllXamarinFrameworks)</SupportedFramework>
     </ProjectReference>
     <ProjectReference Include="..\src\System.Security.Cryptography.Encoding.builds" />
 

src/libraries/System.Security.Cryptography.OpenSsl/pkg/System.Security.Cryptography.OpenSsl.pkgproj

@@ -4,7 +4,7 @@
 
   <ItemGroup>
     <ProjectReference Include="..\ref\System.Security.Cryptography.OpenSsl.csproj">
-      <SupportedFramework>net463;netcoreapp1.0</SupportedFramework>
+      <SupportedFramework>net463;netcoreapp1.0;$(AllXamarinFrameworks)</SupportedFramework>
     </ProjectReference>
     <ProjectReference Include="..\src\System.Security.Cryptography.OpenSsl.builds" />
 

src/libraries/System.Security.Cryptography.Pkcs/pkg/System.Security.Cryptography.Pkcs.pkgproj

@@ -8,14 +8,6 @@
     </ProjectReference>
     <ProjectReference Include="..\src\System.Security.Cryptography.Pkcs.builds" />
   </ItemGroup>
-  <ItemGroup>
-    <InboxOnTargetFramework Include="MonoAndroid10" />
-    <InboxOnTargetFramework Include="MonoTouch10" />
-    <InboxOnTargetFramework Include="xamarinios10" />
-    <InboxOnTargetFramework Include="xamarinmac20" />
-    <InboxOnTargetFramework Include="xamarintvos10" />
-    <InboxOnTargetFramework Include="xamarinwatchos10" />
-  </ItemGroup>
 
   <Import Project="$([MSBuild]::GetDirectoryNameOfFileAbove($(MSBuildThisFileDirectory), dir.targets))\dir.targets" />
 </Project>

src/libraries/System.Security.Cryptography.Primitives/pkg/System.Security.Cryptography.Primitives.pkgproj

-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="12.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <Import Project="$([MSBuild]::GetDirectoryNameOfFileAbove($(MSBuildThisFileDirectory), dir.props))\dir.props" />
   <ItemGroup>
     <ProjectReference Include="..\ref\System.Security.Cryptography.Primitives.csproj">
-      <SupportedFramework>net46;netcore50;netcoreapp1.0</SupportedFramework>
+      <SupportedFramework>net46;netcore50;netcoreapp1.0;$(AllXamarinFrameworks)</SupportedFramework>
     </ProjectReference>
     <ProjectReference Include="..\src\System.Security.Cryptography.Primitives.builds" />
   </ItemGroup>

src/libraries/System.Security.Cryptography.ProtectedData/pkg/System.Security.Cryptography.ProtectedData.pkgproj

@@ -4,7 +4,7 @@
 
   <ItemGroup>
     <ProjectReference Include="..\ref\System.Security.Cryptography.ProtectedData.csproj">
-      <SupportedFramework>net46;netcore50;netcoreapp1.0</SupportedFramework>
+      <SupportedFramework>net46;netcore50;netcoreapp1.0;$(AllXamarinFrameworks)</SupportedFramework>
     </ProjectReference>
     <ProjectReference Include="..\src\System.Security.Cryptography.ProtectedData.builds" />
   </ItemGroup>

src/libraries/System.Security.Cryptography.X509Certificates/pkg/System.Security.Cryptography.X509Certificates.pkgproj

-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="12.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <Import Project="$([MSBuild]::GetDirectoryNameOfFileAbove($(MSBuildThisFileDirectory), dir.props))\dir.props" />
   <ItemGroup>
@@ -6,7 +6,7 @@
       <SupportedFramework>net46</SupportedFramework>
     </ProjectReference>
     <ProjectReference Include="..\ref\System.Security.Cryptography.X509Certificates.csproj">
-      <SupportedFramework>net461;netcore50;netcoreapp1.0</SupportedFramework>
+      <SupportedFramework>net461;netcore50;netcoreapp1.0;$(AllXamarinFrameworks)</SupportedFramework>
     </ProjectReference>
     <ProjectReference Include="..\src\System.Security.Cryptography.X509Certificates.builds" />
   </ItemGroup>

src/libraries/System.Security.Principal/pkg/System.Security.Principal.pkgproj

-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="12.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <PropertyGroup>
     <Version>4.0.2.0</Version>
@@ -6,7 +6,7 @@
   <Import Project="$([MSBuild]::GetDirectoryNameOfFileAbove($(MSBuildThisFileDirectory), dir.props))\dir.props" />
   <ItemGroup>
     <ProjectReference Include="..\ref\System.Security.Principal.csproj">
-      <SupportedFramework>net45;netcore45;netcoreapp1.0;wp8;wpa81</SupportedFramework>
+      <SupportedFramework>net45;netcore45;netcoreapp1.0;wp8;wpa81;$(AllXamarinFrameworks)</SupportedFramework>
     </ProjectReference>
     <ProjectReference Include="..\src\System.Security.Principal.builds" />
     <InboxOnTargetFramework Include="MonoAndroid10" />

src/libraries/System.Security.SecureString/pkg/System.Security.SecureString.pkgproj

-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="12.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <Import Project="$([MSBuild]::GetDirectoryNameOfFileAbove($(MSBuildThisFileDirectory), dir.props))\dir.props" />
   <ItemGroup>
     <ProjectReference Include="..\ref\System.Security.SecureString.csproj">
-      <SupportedFramework>net46;netcore50;netcoreapp1.0</SupportedFramework>
+      <SupportedFramework>net46;netcore50;netcoreapp1.0;$(AllXamarinFrameworks)</SupportedFramework>
     </ProjectReference>
     <ProjectReference Include="..\src\System.Security.SecureString.builds" />
     <InboxOnTargetFramework Include="MonoAndroid10" />

src/libraries/System.Text.Encoding.CodePages/pkg/System.Text.Encoding.CodePages.pkgproj

-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="12.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <Import Project="$([MSBuild]::GetDirectoryNameOfFileAbove($(MSBuildThisFileDirectory), dir.props))\dir.props" />
   <ItemGroup>
     <ProjectReference Include="..\ref\System.Text.Encoding.CodePages.csproj">
-      <SupportedFramework>net46;netcore50;netcoreapp1.0</SupportedFramework>
+      <SupportedFramework>net46;netcore50;netcoreapp1.0;$(AllXamarinFrameworks)</SupportedFramework>
     </ProjectReference>
     <ProjectReference Include="..\src\System.Text.Encoding.CodePages.builds" />
   </ItemGroup>

src/libraries/System.Text.Encoding.Extensions/pkg/System.Text.Encoding.Extensions.pkgproj

-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="12.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <PropertyGroup>
     <Version>4.0.12.0</Version>
@@ -9,7 +9,7 @@
       <SupportedFramework>net45;netcore45;wp8;wpa81</SupportedFramework>
     </ProjectReference>
     <ProjectReference Include="..\ref\System.Text.Encoding.Extensions.csproj">
-      <SupportedFramework>net46;netcore50;netcoreapp1.0</SupportedFramework>
+      <SupportedFramework>net46;netcore50;netcoreapp1.0;$(AllXamarinFrameworks)</SupportedFramework>
     </ProjectReference>
     <ProjectReference Include="any\System.Text.Encoding.Extensions.pkgproj" />
     <ProjectReference Include="aot\System.Text.Encoding.Extensions.pkgproj" />

src/libraries/System.Text.Encoding/pkg/System.Text.Encoding.pkgproj

-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="12.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <PropertyGroup>
     <Version>4.0.12.0</Version>
@@ -9,7 +9,7 @@
       <SupportedFramework>net45;netcore45;wp8;wpa81</SupportedFramework>
     </ProjectReference>
     <ProjectReference Include="..\ref\System.Text.Encoding.csproj">
-      <SupportedFramework>net46;netcore50;netcoreapp1.0</SupportedFramework>
+      <SupportedFramework>net46;netcore50;netcoreapp1.0;$(AllXamarinFrameworks)</SupportedFramework>
     </ProjectReference>
     <ProjectReference Include="any\System.Text.Encoding.pkgproj" />
     <ProjectReference Include="aot\System.Text.Encoding.pkgproj" />

src/libraries/System.Text.Encodings.Web/pkg/System.Text.Encodings.Web.pkgproj

@@ -4,7 +4,7 @@
 
   <ItemGroup>
     <ProjectReference Include="..\src\System.Text.Encodings.Web.builds">
-      <SupportedFramework>net45;netcore45;wp8;wpa81;netcoreapp1.0</SupportedFramework>
+      <SupportedFramework>net45;netcore45;wp8;wpa81;netcoreapp1.0;$(AllXamarinFrameworks)</SupportedFramework>
     </ProjectReference>
   </ItemGroup>
 

src/libraries/System.Text.RegularExpressions/pkg/System.Text.RegularExpressions.pkgproj

-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="12.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <Import Project="$([MSBuild]::GetDirectoryNameOfFileAbove($(MSBuildThisFileDirectory), dir.props))\dir.props" />
   <ItemGroup>
@@ -9,7 +9,7 @@
       <SupportedFramework>net46;netcore50</SupportedFramework>
     </ProjectReference>
     <ProjectReference Include="..\ref\System.Text.RegularExpressions.csproj">
-      <SupportedFramework>net463;netcoreapp1.0</SupportedFramework>
+      <SupportedFramework>net463;netcoreapp1.0;$(AllXamarinFrameworks)</SupportedFramework>
     </ProjectReference>
     <ProjectReference Include="..\src\System.Text.RegularExpressions.builds" />
     <InboxOnTargetFramework Include="MonoAndroid10" />

src/libraries/System.Threading.Tasks.Dataflow/pkg/System.Threading.Tasks.Dataflow.pkgproj

@@ -8,7 +8,7 @@
 
   <ItemGroup>
     <ProjectReference Include="..\src\System.Threading.Tasks.Dataflow.csproj">
-      <SupportedFramework>net45;netcore45;wp8;wpa81;netcoreapp1.0</SupportedFramework>
+      <SupportedFramework>net45;netcore45;wp8;wpa81;netcoreapp1.0;$(AllXamarinFrameworks)</SupportedFramework>
     </ProjectReference>
     <ProjectReference Include="..\src\System.Threading.Tasks.Dataflow.WP8.csproj" />
   </ItemGroup>

src/libraries/System.Threading.Tasks.Extensions/pkg/System.Threading.Tasks.Extensions.pkgproj

@@ -8,7 +8,7 @@
 
   <ItemGroup>
     <ProjectReference Include="..\src\System.Threading.Tasks.Extensions.builds" >
-      <SupportedFramework>net45;netcore45;netcoreapp1.0;wpa81;wp8</SupportedFramework>
+      <SupportedFramework>net45;netcore45;netcoreapp1.0;wpa81;wp8;$(AllXamarinFrameworks)</SupportedFramework>
     </ProjectReference>
   </ItemGroup>
 

src/libraries/System.Threading.Tasks.Parallel/pkg/System.Threading.Tasks.Parallel.pkgproj

-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="12.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <PropertyGroup>
     <Version>4.0.2.0</Version>
@@ -6,7 +6,7 @@
   <Import Project="$([MSBuild]::GetDirectoryNameOfFileAbove($(MSBuildThisFileDirectory), dir.props))\dir.props" />
   <ItemGroup>
     <ProjectReference Include="..\ref\System.Threading.Tasks.Parallel.csproj">
-      <SupportedFramework>net45;netcore45;netcoreapp1.0;wpa81</SupportedFramework>
+      <SupportedFramework>net45;netcore45;netcoreapp1.0;wpa81;$(AllXamarinFrameworks)</SupportedFramework>
     </ProjectReference>
     <ProjectReference Include="..\src\System.Threading.Tasks.Parallel.builds" />
     <InboxOnTargetFramework Include="MonoAndroid10" />

src/libraries/System.Threading.Tasks/pkg/System.Threading.Tasks.pkgproj

-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="12.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <PropertyGroup>
     <Version>4.0.12.0</Version>
@@ -9,7 +9,7 @@
       <SupportedFramework>net45;netcore45;wp8;wpa81</SupportedFramework>
     </ProjectReference>
     <ProjectReference Include="..\ref\System.Threading.Tasks.csproj">
-      <SupportedFramework>net46;netcore50;netcoreapp1.0</SupportedFramework>
+      <SupportedFramework>net46;netcore50;netcoreapp1.0;$(AllXamarinFrameworks)</SupportedFramework>
     </ProjectReference>
     <ProjectReference Include="any\System.Threading.Tasks.pkgproj" />
     <ProjectReference Include="aot\System.Threading.Tasks.pkgproj" />

src/libraries/System.Threading.Thread/pkg/System.Threading.Thread.pkgproj

-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="12.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <Import Project="$([MSBuild]::GetDirectoryNameOfFileAbove($(MSBuildThisFileDirectory), dir.props))\dir.props" />
   <ItemGroup>
     <ProjectReference Include="..\ref\System.Threading.Thread.csproj">
-      <SupportedFramework>net46;netcoreapp1.0</SupportedFramework>
+      <SupportedFramework>net46;netcoreapp1.0;$(AllXamarinFrameworks)</SupportedFramework>
     </ProjectReference>
     <ProjectReference Include="..\src\System.Threading.Thread.builds" />
     <NotSupportedOnTargetFramework Include="netcore50" />

src/libraries/System.Threading.ThreadPool/pkg/System.Threading.ThreadPool.pkgproj

-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="12.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <Import Project="$([MSBuild]::GetDirectoryNameOfFileAbove($(MSBuildThisFileDirectory), dir.props))\dir.props" />
   <ItemGroup>
     <ProjectReference Include="..\ref\System.Threading.ThreadPool.csproj">
-      <SupportedFramework>net46;netcoreapp1.0</SupportedFramework>
+      <SupportedFramework>net46;netcoreapp1.0;$(AllXamarinFrameworks)</SupportedFramework>
     </ProjectReference>
     <ProjectReference Include="..\src\System.Threading.ThreadPool.builds" />
   </ItemGroup>

src/libraries/System.Threading.Timer/pkg/System.Threading.Timer.pkgproj

-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="12.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <PropertyGroup>
     <Version>4.0.2.0</Version>
@@ -6,7 +6,7 @@
   <Import Project="$([MSBuild]::GetDirectoryNameOfFileAbove($(MSBuildThisFileDirectory), dir.props))\dir.props" />
   <ItemGroup>
     <ProjectReference Include="..\ref\System.Threading.Timer.csproj">
-      <SupportedFramework>net451;netcore451;netcoreapp1.0;wpa81</SupportedFramework>
+      <SupportedFramework>net451;netcore451;netcoreapp1.0;wpa81;$(AllXamarinFrameworks)</SupportedFramework>
     </ProjectReference>
     <ProjectReference Include="any\System.Threading.Timer.pkgproj" />
     <ProjectReference Include="aot\System.Threading.Timer.pkgproj" />

src/libraries/System.Threading/pkg/System.Threading.pkgproj

-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="12.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <PropertyGroup>
     <Version>4.0.12.0</Version>
@@ -9,7 +9,7 @@
       <SupportedFramework>net45;netcore45;wp8;wpa81</SupportedFramework>
     </ProjectReference>
     <ProjectReference Include="..\ref\System.Threading.csproj">
-      <SupportedFramework>net46;netcore50;netcoreapp1.0</SupportedFramework>
+      <SupportedFramework>net46;netcore50;netcoreapp1.0;$(AllXamarinFrameworks)</SupportedFramework>
     </ProjectReference>
     <ProjectReference Include="..\src\System.Threading.builds" />
   </ItemGroup>

src/libraries/System.ValueTuple/pkg/System.ValueTuple.pkgproj

@@ -4,7 +4,7 @@
 
   <ItemGroup>
     <ProjectReference Include="..\src\System.ValueTuple.builds">
-      <SupportedFramework>net45;netcore45;netcoreapp1.0;wp8;wpa81</SupportedFramework>
+      <SupportedFramework>net45;netcore45;netcoreapp1.0;wp8;wpa81;$(AllXamarinFrameworks)</SupportedFramework>
     </ProjectReference>
   </ItemGroup>
 

src/libraries/System.Xml.ReaderWriter/pkg/System.Xml.ReaderWriter.pkgproj

-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="12.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <Import Project="$([MSBuild]::GetDirectoryNameOfFileAbove($(MSBuildThisFileDirectory), dir.props))\dir.props" />
   <ItemGroup>
@@ -6,7 +6,7 @@
       <SupportedFramework>net45;netcore45;wp8;wpa81</SupportedFramework>
     </ProjectReference>
     <ProjectReference Include="..\ref\System.Xml.ReaderWriter.csproj">
-      <SupportedFramework>net46;netcore50;netcoreapp1.0</SupportedFramework>
+      <SupportedFramework>net46;netcore50;netcoreapp1.0;$(AllXamarinFrameworks)</SupportedFramework>
     </ProjectReference>
     <ProjectReference Include="..\src\System.Xml.ReaderWriter.builds" />
     <InboxOnTargetFramework Include="MonoAndroid10" />

src/libraries/System.Xml.XDocument/pkg/System.Xml.XDocument.pkgproj

-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="12.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <PropertyGroup>
     <Version>4.0.12.0</Version>
@@ -9,7 +9,7 @@
       <SupportedFramework>net45;netcore45;wp8;wpa81</SupportedFramework>
     </ProjectReference>
     <ProjectReference Include="..\ref\System.Xml.XDocument.csproj">
-      <SupportedFramework>net46;netcore50;netcoreapp1.0</SupportedFramework>
+      <SupportedFramework>net46;netcore50;netcoreapp1.0;$(AllXamarinFrameworks)</SupportedFramework>
     </ProjectReference>
     <ProjectReference Include="..\src\System.Xml.XDocument.builds" />
     <InboxOnTargetFramework Include="MonoAndroid10" />

src/libraries/System.Xml.XPath.XDocument/pkg/System.Xml.XPath.XDocument.pkgproj

-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="12.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <Import Project="$([MSBuild]::GetDirectoryNameOfFileAbove($(MSBuildThisFileDirectory), dir.props))\dir.props" />
   <ItemGroup>
     <ProjectReference Include="..\ref\System.Xml.XPath.XDocument.csproj">
-      <SupportedFramework>net46;netcore50;netcoreapp1.0</SupportedFramework>
+      <SupportedFramework>net46;netcore50;netcoreapp1.0;$(AllXamarinFrameworks)</SupportedFramework>
     </ProjectReference>
     <ProjectReference Include="..\src\System.Xml.XPath.XDocument.builds" />
   </ItemGroup>

src/libraries/System.Xml.XPath.XmlDocument/pkg/System.Xml.XPath.XmlDocument.pkgproj

-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="12.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <Import Project="$([MSBuild]::GetDirectoryNameOfFileAbove($(MSBuildThisFileDirectory), dir.props))\dir.props" />
   <ItemGroup>
     <ProjectReference Include="..\ref\System.Xml.XPath.XmlDocument.csproj">
-      <SupportedFramework>net46;netcore50;netcoreapp1.0</SupportedFramework>
+      <SupportedFramework>net46;netcore50;netcoreapp1.0;$(AllXamarinFrameworks)</SupportedFramework>
     </ProjectReference>
     <ProjectReference Include="..\src\System.Xml.XPath.XmlDocument.builds" />
     <!-- nothing special required for desktop - pure plib with no type conflicts. -->

src/libraries/System.Xml.XPath/pkg/System.Xml.XPath.pkgproj

-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="12.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <Import Project="$([MSBuild]::GetDirectoryNameOfFileAbove($(MSBuildThisFileDirectory), dir.props))\dir.props" />
   <ItemGroup>
     <ProjectReference Include="..\ref\System.Xml.XPath.csproj">
-      <SupportedFramework>net46;netcore50;netcoreapp1.0</SupportedFramework>
+      <SupportedFramework>net46;netcore50;netcoreapp1.0;$(AllXamarinFrameworks)</SupportedFramework>
     </ProjectReference>
     <ProjectReference Include="..\src\System.Xml.XPath.builds" />
   </ItemGroup>

src/libraries/System.Xml.XmlDocument/pkg/System.Xml.XmlDocument.pkgproj

-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="12.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <Import Project="$([MSBuild]::GetDirectoryNameOfFileAbove($(MSBuildThisFileDirectory), dir.props))\dir.props" />
   <ItemGroup>
     <ProjectReference Include="..\ref\System.Xml.XmlDocument.csproj">
-      <SupportedFramework>net46;netcore50;netcoreapp1.0</SupportedFramework>
+      <SupportedFramework>net46;netcore50;netcoreapp1.0;$(AllXamarinFrameworks)</SupportedFramework>
     </ProjectReference>
     <ProjectReference Include="..\src\System.Xml.XmlDocument.builds" />
   </ItemGroup>

src/libraries/System.Xml.XmlSerializer/pkg/System.Xml.XmlSerializer.pkgproj

-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="12.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <PropertyGroup>
     <Version>4.0.12.0</Version>
@@ -9,7 +9,7 @@
       <SupportedFramework>net45;netcore45;wp8;wpa81</SupportedFramework>
     </ProjectReference>
     <ProjectReference Include="..\ref\System.Xml.XmlSerializer.csproj">
-      <SupportedFramework>net46;netcore50;netcoreapp1.0</SupportedFramework>
+      <SupportedFramework>net46;netcore50;netcoreapp1.0;$(AllXamarinFrameworks)</SupportedFramework>
     </ProjectReference>
     <ProjectReference Include="..\src\System.Xml.XmlSerializer.builds" />
     <InboxOnTargetFramework Include="MonoAndroid10" />