Update buildtools and change validation framework

Update BuildTools to 1.0.25-prerelease-00180 Change validation framework moniker from dnxcore50 to netstandardapp1.5. Commit migrated from https://github.com/dotnet/corefx/commit/7c50768be0a2008480aa22ddb8038fdcb0e8039b

Update buildtools and change validation framework
Update BuildTools to 1.0.25-prerelease-00180 Change validation framework moniker from dnxcore50 to netstandardapp1.5. Commit migrated from https://github.com/dotnet/corefx/commit/7c50768be0a2008480aa22ddb8038fdcb0e8039b
19554adc · Eric St. John · afdeaf78 · 19554adc · 19554adc · 19554adc
126 changed file
--- a/src/libraries/BuildToolsVersion.txt
+++ b/src/libraries/BuildToolsVersion.txt
-1.0.25-prerelease-00177
+1.0.25-prerelease-00180
\ No newline at end of file
--- a/src/libraries/Microsoft.CSharp/pkg/Microsoft.CSharp.pkgproj
+++ b/src/libraries/Microsoft.CSharp/pkg/Microsoft.CSharp.pkgproj
@@ -4,7 +4,7 @@
  <ItemGroup>
    <ProjectReference Include="..\ref\Microsoft.CSharp.csproj">
-      <SupportedFramework>net45;netcore45;dnxcore50;wp8;wpa81</SupportedFramework>
+      <SupportedFramework>net45;netcore45;netstandardapp1.5;wp8;wpa81</SupportedFramework>
    </ProjectReference>
    <ProjectReference Include="..\src\Microsoft.CSharp.builds" />

--- a/src/libraries/Microsoft.VisualBasic/pkg/Microsoft.VisualBasic.pkgproj
+++ b/src/libraries/Microsoft.VisualBasic/pkg/Microsoft.VisualBasic.pkgproj
@@ -4,7 +4,7 @@
  <ItemGroup>
    <ProjectReference Include="..\ref\Microsoft.VisualBasic.csproj">
-      <SupportedFramework>net45;netcore45;dnxcore50;wpa81</SupportedFramework>
+      <SupportedFramework>net45;netcore45;netstandardapp1.5;wpa81</SupportedFramework>
    </ProjectReference>
    <ProjectReference Include="..\src\Microsoft.VisualBasic.builds" />

--- a/src/libraries/Microsoft.Win32.Primitives/pkg/Microsoft.Win32.Primitives.pkgproj
+++ b/src/libraries/Microsoft.Win32.Primitives/pkg/Microsoft.Win32.Primitives.pkgproj
@@ -4,7 +4,7 @@
  <ItemGroup>
    <ProjectReference Include="..\ref\Microsoft.Win32.Primitives.csproj">
-      <SupportedFramework>net46;netcore50;dnxcore50</SupportedFramework>
+      <SupportedFramework>net46;netcore50;netstandardapp1.5</SupportedFramework>
    </ProjectReference>
    <ProjectReference Include="..\src\Microsoft.Win32.Primitives.csproj">
      <AdditionalProperties>TargetGroup=net46</AdditionalProperties>

--- a/src/libraries/Microsoft.Win32.Registry.AccessControl/pkg/Microsoft.Win32.Registry.AccessControl.pkgproj
+++ b/src/libraries/Microsoft.Win32.Registry.AccessControl/pkg/Microsoft.Win32.Registry.AccessControl.pkgproj
@@ -4,7 +4,7 @@
  <ItemGroup>
    <ProjectReference Include="..\ref\Microsoft.Win32.Registry.AccessControl.csproj">
-      <SupportedFramework>net46;dnxcore50</SupportedFramework>
+      <SupportedFramework>net46;netstandardapp1.5</SupportedFramework>
    </ProjectReference>
    <ProjectReference Include="..\src\Microsoft.Win32.Registry.AccessControl.builds" />
@@ -12,10 +12,10 @@
      <PackageTargetRuntime>win</PackageTargetRuntime>
    </NotSupportedOnTargetFramework>
-    <ExcludeDefaultValidateFramework Include="dnxcore50" />
+    <ExcludeDefaultValidateFramework Include="netstandardapp1.5" />
    <!-- Only supported on windows, so overriding
         the validation RID's -->
-    <ValidateFramework Include="dnxcore50"> 
+    <ValidateFramework Include="netstandardapp1.5"> 
      <RuntimeIDs>win7-x86;win7-x64</RuntimeIDs> 
    </ValidateFramework> 
  </ItemGroup>

--- a/src/libraries/Microsoft.Win32.Registry/pkg/Microsoft.Win32.Registry.pkgproj
+++ b/src/libraries/Microsoft.Win32.Registry/pkg/Microsoft.Win32.Registry.pkgproj
@@ -4,7 +4,7 @@
  <ItemGroup>
    <ProjectReference Include="..\ref\Microsoft.Win32.Registry.csproj">
-      <SupportedFramework>net46;dnxcore50</SupportedFramework>
+      <SupportedFramework>net46;netstandardapp1.5</SupportedFramework>
    </ProjectReference>
    <ProjectReference Include="..\src\Microsoft.Win32.Registry.builds" />
@@ -12,10 +12,10 @@
      <PackageTargetRuntime>win</PackageTargetRuntime>
    </NotSupportedOnTargetFramework>
-    <ExcludeDefaultValidateFramework Include="dnxcore50" />
+    <ExcludeDefaultValidateFramework Include="netstandardapp1.5" />
    <!-- Only supported on windows, so overriding
         the validation RID's -->
-    <ValidateFramework Include="dnxcore50"> 
+    <ValidateFramework Include="netstandardapp1.5"> 
      <RuntimeIDs>win7-x86;win7-x64</RuntimeIDs> 
    </ValidateFramework> 
  </ItemGroup>

--- a/src/libraries/System.AppContext/pkg/System.AppContext.pkgproj
+++ b/src/libraries/System.AppContext/pkg/System.AppContext.pkgproj
@@ -7,7 +7,7 @@
      <SupportedFramework>net46</SupportedFramework>
    </ProjectReference>
    <ProjectReference Include="..\ref\System.AppContext.csproj">
-      <SupportedFramework>netcore50;dnxcore50</SupportedFramework>
+      <SupportedFramework>netcore50;netstandardapp1.5</SupportedFramework>
    </ProjectReference>
    <ProjectReference Include="..\src\redist\System.AppContext.depproj">
      <TargetGroup>net46</TargetGroup>

--- a/src/libraries/System.Buffers/pkg/System.Buffers.pkgproj
+++ b/src/libraries/System.Buffers/pkg/System.Buffers.pkgproj
@@ -4,7 +4,7 @@
  <ItemGroup>
    <ProjectReference Include="..\src\System.Buffers.builds">
-      <SupportedFramework>net45;netcore45;dnxcore50;wpa81</SupportedFramework>
+      <SupportedFramework>net45;netcore45;netstandardapp1.5;wpa81</SupportedFramework>
    </ProjectReference>
  </ItemGroup>

--- a/src/libraries/System.Collections.Concurrent/pkg/System.Collections.Concurrent.pkgproj
+++ b/src/libraries/System.Collections.Concurrent/pkg/System.Collections.Concurrent.pkgproj
@@ -6,7 +6,7 @@
      <SupportedFramework>net45;netcore45;wpa81</SupportedFramework>
    </ProjectReference>
    <ProjectReference Include="..\ref\System.Collections.Concurrent.csproj">
-      <SupportedFramework>net46;netcore50;dnxcore50</SupportedFramework>
+      <SupportedFramework>net46;netcore50;netstandardapp1.5</SupportedFramework>
    </ProjectReference>
    <!-- reference .CSProj rather than .builds since we don't need the desktop facade -->
    <ProjectReference Include="..\src\System.Collections.Concurrent.csproj"/>

--- a/src/libraries/System.Collections.Immutable/pkg/System.Collections.Immutable.pkgproj
+++ b/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;dnxcore50;wp8;wpa81</SupportedFramework>
+      <SupportedFramework>net45;netcore45;netstandardapp1.5;wp8;wpa81</SupportedFramework>
    </ProjectReference>
  </ItemGroup>

--- a/src/libraries/System.Collections.NonGeneric/pkg/System.Collections.NonGeneric.pkgproj
+++ b/src/libraries/System.Collections.NonGeneric/pkg/System.Collections.NonGeneric.pkgproj
@@ -4,7 +4,7 @@
  <ItemGroup>
    <ProjectReference Include="..\ref\System.Collections.NonGeneric.csproj">
-      <SupportedFramework>net46;netcore50;dnxcore50</SupportedFramework>
+      <SupportedFramework>net46;netcore50;netstandardapp1.5</SupportedFramework>
    </ProjectReference>
    <ProjectReference Include="..\src\System.Collections.NonGeneric.builds" />
  </ItemGroup>

--- a/src/libraries/System.Collections.Specialized/pkg/System.Collections.Specialized.pkgproj
+++ b/src/libraries/System.Collections.Specialized/pkg/System.Collections.Specialized.pkgproj
@@ -4,7 +4,7 @@
  <ItemGroup>
    <ProjectReference Include="..\ref\System.Collections.Specialized.csproj">
-      <SupportedFramework>net46;netcore50;dnxcore50</SupportedFramework>
+      <SupportedFramework>net46;netcore50;netstandardapp1.5</SupportedFramework>
    </ProjectReference>
    <ProjectReference Include="..\src\System.Collections.Specialized.builds" />
  </ItemGroup>

--- a/src/libraries/System.Collections/pkg/System.Collections.pkgproj
+++ b/src/libraries/System.Collections/pkg/System.Collections.pkgproj
@@ -6,7 +6,7 @@
      <SupportedFramework>net45;netcore45;wp8;wpa81</SupportedFramework>
    </ProjectReference>
    <ProjectReference Include="..\ref\System.Collections.csproj">
-      <SupportedFramework>net46;netcore50;dnxcore50</SupportedFramework>
+      <SupportedFramework>net46;netcore50;netstandardapp1.5</SupportedFramework>
    </ProjectReference>
    <ProjectReference Include="any\System.Collections.pkgproj" />
    <ProjectReference Include="aot\System.Collections.pkgproj" />

--- a/src/libraries/System.ComponentModel.Annotations/pkg/System.ComponentModel.Annotations.pkgproj
+++ b/src/libraries/System.ComponentModel.Annotations/pkg/System.ComponentModel.Annotations.pkgproj
@@ -10,7 +10,7 @@
      <SupportedFramework>net46;netcore50</SupportedFramework>
    </ProjectReference -->
    <ProjectReference Include="..\ref\System.ComponentModel.Annotations.csproj">
-      <SupportedFramework>net46;netcore50;dnxcore50</SupportedFramework>
+      <SupportedFramework>net46;netcore50;netstandardapp1.5</SupportedFramework>
    </ProjectReference>
    <ProjectReference Include="..\src\System.ComponentModel.Annotations.builds" />

--- a/src/libraries/System.ComponentModel.EventBasedAsync/pkg/System.ComponentModel.EventBasedAsync.pkgproj
+++ b/src/libraries/System.ComponentModel.EventBasedAsync/pkg/System.ComponentModel.EventBasedAsync.pkgproj
@@ -6,7 +6,7 @@
      <SupportedFramework>net45;netcore45;wp8;wpa81</SupportedFramework>
    </ProjectReference>
    <ProjectReference Include="..\ref\System.ComponentModel.EventBasedAsync.csproj">
-      <SupportedFramework>net46;netcore50;dnxcore50</SupportedFramework>
+      <SupportedFramework>net46;netcore50;netstandardapp1.5</SupportedFramework>
    </ProjectReference>
    <ProjectReference Include="..\src\System.ComponentModel.EventBasedAsync.builds" />
    <InboxOnTargetFramework Include="MonoAndroid10" />

--- a/src/libraries/System.ComponentModel.Primitives/pkg/System.ComponentModel.Primitives.pkgproj
+++ b/src/libraries/System.ComponentModel.Primitives/pkg/System.ComponentModel.Primitives.pkgproj
@@ -4,7 +4,7 @@
  <ItemGroup>
    <ProjectReference Include="..\ref\System.ComponentModel.Primitives.csproj">
-      <SupportedFramework>net45;netcore45;dnxcore50;wp8;wpa81</SupportedFramework>
+      <SupportedFramework>net45;netcore45;netstandardapp1.5;wp8;wpa81</SupportedFramework>
    </ProjectReference>
    <ProjectReference Include="..\src\System.ComponentModel.Primitives.builds" />
  </ItemGroup>

--- a/src/libraries/System.ComponentModel.TypeConverter/pkg/System.ComponentModel.TypeConverter.pkgproj
+++ b/src/libraries/System.ComponentModel.TypeConverter/pkg/System.ComponentModel.TypeConverter.pkgproj
@@ -4,7 +4,7 @@
  <ItemGroup>
    <ProjectReference Include="..\ref\System.ComponentModel.TypeConverter.csproj">
-      <SupportedFramework>net45;netcore45;dnxcore50;wp8;wpa81</SupportedFramework>
+      <SupportedFramework>net45;netcore45;netstandardapp1.5;wp8;wpa81</SupportedFramework>
    </ProjectReference>
    <ProjectReference Include="..\src\System.ComponentModel.TypeConverter.builds" />
  </ItemGroup>

--- a/src/libraries/System.ComponentModel/pkg/System.ComponentModel.pkgproj
+++ b/src/libraries/System.ComponentModel/pkg/System.ComponentModel.pkgproj
@@ -4,7 +4,7 @@
  <ItemGroup>
    <ProjectReference Include="..\ref\System.ComponentModel.csproj">
-      <SupportedFramework>net45;netcore45;dnxcore50;wp8;wpa81</SupportedFramework>
+      <SupportedFramework>net45;netcore45;netstandardapp1.5;wp8;wpa81</SupportedFramework>
    </ProjectReference>
    <ProjectReference Include="..\src\System.ComponentModel.builds" />

--- a/src/libraries/System.Console/pkg/System.Console.pkgproj
+++ b/src/libraries/System.Console/pkg/System.Console.pkgproj
@@ -4,7 +4,7 @@
  <ItemGroup>
    <ProjectReference Include="..\ref\System.Console.csproj">
-      <SupportedFramework>net46;netcore50;dnxcore50</SupportedFramework>
+      <SupportedFramework>net46;netcore50;netstandardapp1.5</SupportedFramework>
    </ProjectReference>
    <ProjectReference Include="..\src\System.Console.csproj">
      <AdditionalProperties>TargetGroup=net46</AdditionalProperties>

--- a/src/libraries/System.Data.Common/pkg/System.Data.Common.pkgproj
+++ b/src/libraries/System.Data.Common/pkg/System.Data.Common.pkgproj
@@ -4,7 +4,7 @@
  <ItemGroup>
    <ProjectReference Include="..\ref\System.Data.Common.csproj">
-      <SupportedFramework>net45;netcore45;dnxcore50;wp8;wpa81</SupportedFramework>
+      <SupportedFramework>net45;netcore45;netstandardapp1.5;wp8;wpa81</SupportedFramework>
    </ProjectReference>
    <ProjectReference Include="..\src\System.Data.Common.builds" />

--- a/src/libraries/System.Data.SqlClient/pkg/System.Data.SqlClient.pkgproj
+++ b/src/libraries/System.Data.SqlClient/pkg/System.Data.SqlClient.pkgproj
@@ -10,7 +10,7 @@
      <AdditionalProperties>TargetGroup=net45</AdditionalProperties>
    </ProjectReference>
 	<ProjectReference Include="..\ref\System.Data.SqlClient.csproj">
-      <SupportedFramework>net46;dnxcore50</SupportedFramework>
+      <SupportedFramework>net46;netstandardapp1.5</SupportedFramework>
    </ProjectReference>
 	<ProjectReference Include="win\System.Data.SqlClient.pkgproj">

--- a/src/libraries/System.Diagnostics.Contracts/pkg/System.Diagnostics.Contracts.pkgproj
+++ b/src/libraries/System.Diagnostics.Contracts/pkg/System.Diagnostics.Contracts.pkgproj
@@ -4,7 +4,7 @@
  <ItemGroup>
    <ProjectReference Include="..\ref\System.Diagnostics.Contracts.csproj">
-      <SupportedFramework>net45;netcore45;dnxcore50;wp8;wpa81</SupportedFramework>
+      <SupportedFramework>net45;netcore45;netstandardapp1.5;wp8;wpa81</SupportedFramework>
    </ProjectReference>
    <ProjectReference Include="..\src\System.Diagnostics.Contracts.builds" />

--- a/src/libraries/System.Diagnostics.Debug/pkg/System.Diagnostics.Debug.pkgproj
+++ b/src/libraries/System.Diagnostics.Debug/pkg/System.Diagnostics.Debug.pkgproj
@@ -6,7 +6,7 @@
      <SupportedFramework>net45;netcore45;wp8;wpa81</SupportedFramework>
    </ProjectReference>
    <ProjectReference Include="..\ref\System.Diagnostics.Debug.csproj">
-      <SupportedFramework>net46;netcore50;dnxcore50</SupportedFramework>
+      <SupportedFramework>net46;netcore50;netstandardapp1.5</SupportedFramework>
    </ProjectReference>
    <ProjectReference Include="win\System.Diagnostics.Debug.pkgproj" />

--- a/src/libraries/System.Diagnostics.DiagnosticSource/pkg/System.Diagnostics.DiagnosticSource.pkgproj
+++ b/src/libraries/System.Diagnostics.DiagnosticSource/pkg/System.Diagnostics.DiagnosticSource.pkgproj
@@ -8,7 +8,7 @@
  <ItemGroup>
    <ProjectReference Include="..\src\System.Diagnostics.DiagnosticSource.builds">
-      <SupportedFramework>net45;netcore45;dnxcore50;wpa81</SupportedFramework>
+      <SupportedFramework>net45;netcore45;netstandardapp1.5;wpa81</SupportedFramework>
    </ProjectReference>
  </ItemGroup>

--- a/src/libraries/System.Diagnostics.FileVersionInfo/pkg/System.Diagnostics.FileVersionInfo.pkgproj
+++ b/src/libraries/System.Diagnostics.FileVersionInfo/pkg/System.Diagnostics.FileVersionInfo.pkgproj
@@ -4,7 +4,7 @@
  <ItemGroup>
    <ProjectReference Include="..\ref\System.Diagnostics.FileVersionInfo.csproj">
-      <SupportedFramework>net46;dnxcore50</SupportedFramework>
+      <SupportedFramework>net46;netstandardapp1.5</SupportedFramework>
    </ProjectReference>
    <ProjectReference Include="..\src\System.Diagnostics.FileVersionInfo.csproj">
      <AdditionalProperties>TargetGroup=net46</AdditionalProperties>

--- a/src/libraries/System.Diagnostics.Process/pkg/System.Diagnostics.Process.pkgproj
+++ b/src/libraries/System.Diagnostics.Process/pkg/System.Diagnostics.Process.pkgproj
@@ -4,7 +4,7 @@
  <ItemGroup>
    <ProjectReference Include="..\ref\System.Diagnostics.Process.csproj">
-      <SupportedFramework>net461;dnxcore50</SupportedFramework>
+      <SupportedFramework>net461;netstandardapp1.5</SupportedFramework>
    </ProjectReference>
    <ProjectReference Include="..\ref\4.0\System.Diagnostics.Process.csproj" >
      <SupportedFramework>net46</SupportedFramework>

--- a/src/libraries/System.Diagnostics.StackTrace/pkg/System.Diagnostics.StackTrace.pkgproj
+++ b/src/libraries/System.Diagnostics.StackTrace/pkg/System.Diagnostics.StackTrace.pkgproj
@@ -4,7 +4,7 @@
  <ItemGroup>
    <ProjectReference Include="..\ref\System.Diagnostics.StackTrace.csproj">
-      <SupportedFramework>net46;netcore50;dnxcore50</SupportedFramework>
+      <SupportedFramework>net46;netcore50;netstandardapp1.5</SupportedFramework>
    </ProjectReference>
    <ProjectReference Include="..\src\System.Diagnostics.StackTrace.builds" />
  </ItemGroup>

--- a/src/libraries/System.Diagnostics.TextWriterTraceListener/pkg/System.Diagnostics.TextWriterTraceListener.pkgproj
+++ b/src/libraries/System.Diagnostics.TextWriterTraceListener/pkg/System.Diagnostics.TextWriterTraceListener.pkgproj
@@ -4,7 +4,7 @@
  <ItemGroup>
    <ProjectReference Include="..\ref\System.Diagnostics.TextWriterTraceListener.csproj">
-      <SupportedFramework>net46;dnxcore50</SupportedFramework>
+      <SupportedFramework>net46;netstandardapp1.5</SupportedFramework>
    </ProjectReference>
    <ProjectReference Include="..\src\System.Diagnostics.TextWriterTraceListener.builds" />
  </ItemGroup>

--- a/src/libraries/System.Diagnostics.Tools/pkg/System.Diagnostics.Tools.pkgproj
+++ b/src/libraries/System.Diagnostics.Tools/pkg/System.Diagnostics.Tools.pkgproj
@@ -4,7 +4,7 @@
  <ItemGroup>
    <ProjectReference Include="..\ref\System.Diagnostics.Tools.csproj">
-      <SupportedFramework>net45;netcore45;dnxcore50;wp8;wpa81</SupportedFramework>
+      <SupportedFramework>net45;netcore45;netstandardapp1.5;wp8;wpa81</SupportedFramework>
    </ProjectReference>
    <ProjectReference Include="any\System.Diagnostics.Tools.pkgproj" />
    <ProjectReference Include="aot\System.Diagnostics.Tools.pkgproj" />

--- a/src/libraries/System.Diagnostics.TraceSource/pkg/System.Diagnostics.TraceSource.pkgproj
+++ b/src/libraries/System.Diagnostics.TraceSource/pkg/System.Diagnostics.TraceSource.pkgproj
@@ -4,7 +4,7 @@
  <ItemGroup>
    <ProjectReference Include="..\ref\System.Diagnostics.TraceSource.csproj">
-      <SupportedFramework>net46;dnxcore50</SupportedFramework>
+      <SupportedFramework>net46;netstandardapp1.5</SupportedFramework>
    </ProjectReference>
    <ProjectReference Include="..\src\System.Diagnostics.TraceSource.csproj">

--- a/src/libraries/System.Diagnostics.Tracing/pkg/System.Diagnostics.Tracing.pkgproj
+++ b/src/libraries/System.Diagnostics.Tracing/pkg/System.Diagnostics.Tracing.pkgproj
@@ -12,7 +12,7 @@
      <SupportedFramework>net46</SupportedFramework>
    </ProjectReference>
    <ProjectReference Include="..\ref\System.Diagnostics.Tracing.csproj">
-      <SupportedFramework>netcore50;dnxcore50</SupportedFramework>
+      <SupportedFramework>netcore50;netstandardapp1.5</SupportedFramework>
    </ProjectReference>
    <ProjectReference Include="..\src\System.Diagnostics.Tracing.csproj">
      <TargetGroup>net462</TargetGroup>

--- a/src/libraries/System.Dynamic.Runtime/pkg/System.Dynamic.Runtime.pkgproj
+++ b/src/libraries/System.Dynamic.Runtime/pkg/System.Dynamic.Runtime.pkgproj
@@ -6,7 +6,7 @@
      <SupportedFramework>net45;netcore45;wp8;wpa81</SupportedFramework>
    </ProjectReference>
    <ProjectReference Include="..\ref\System.Dynamic.Runtime.csproj">
-      <SupportedFramework>net46;netcore50;dnxcore50</SupportedFramework>
+      <SupportedFramework>net46;netcore50;netstandardapp1.5</SupportedFramework>
    </ProjectReference>
    <ProjectReference Include="..\src\System.Dynamic.Runtime.builds" />

--- a/src/libraries/System.Globalization.Calendars/pkg/System.Globalization.Calendars.pkgproj
+++ b/src/libraries/System.Globalization.Calendars/pkg/System.Globalization.Calendars.pkgproj
@@ -4,7 +4,7 @@
  <ItemGroup>
    <ProjectReference Include="..\ref\System.Globalization.Calendars.csproj">
-      <SupportedFramework>net46;netcore50;dnxcore50</SupportedFramework>
+      <SupportedFramework>net46;netcore50;netstandardapp1.5</SupportedFramework>
    </ProjectReference>
    <ProjectReference Include="..\src\System.Globalization.Calendars.csproj">
      <TargetGroup>net46</TargetGroup>

--- a/src/libraries/System.Globalization.Extensions/pkg/System.Globalization.Extensions.pkgproj
+++ b/src/libraries/System.Globalization.Extensions/pkg/System.Globalization.Extensions.pkgproj
@@ -4,7 +4,7 @@
  <ItemGroup>
    <ProjectReference Include="..\ref\System.Globalization.Extensions.csproj">
-      <SupportedFramework>net46;netcore50;dnxcore50</SupportedFramework>
+      <SupportedFramework>net46;netcore50;netstandardapp1.5</SupportedFramework>
    </ProjectReference>
    <ProjectReference Include="..\src\System.Globalization.Extensions.csproj">

--- a/src/libraries/System.Globalization/pkg/System.Globalization.pkgproj
+++ b/src/libraries/System.Globalization/pkg/System.Globalization.pkgproj
@@ -6,7 +6,7 @@
      <SupportedFramework>net45;netcore45;wp8;wpa81</SupportedFramework>
    </ProjectReference>
    <ProjectReference Include="..\ref\System.Globalization.csproj">
-      <SupportedFramework>net46;netcore50;dnxcore50</SupportedFramework>
+      <SupportedFramework>net46;netcore50;netstandardapp1.5</SupportedFramework>
    </ProjectReference>
    <ProjectReference Include="any\System.Globalization.pkgproj" />
    <ProjectReference Include="aot\System.Globalization.pkgproj" />

--- a/src/libraries/System.IO.Compression.ZipFile/pkg/System.IO.Compression.ZipFile.pkgproj
+++ b/src/libraries/System.IO.Compression.ZipFile/pkg/System.IO.Compression.ZipFile.pkgproj
@@ -4,7 +4,7 @@
  <ItemGroup>
    <ProjectReference Include="..\ref\System.IO.Compression.ZipFile.csproj">
-      <SupportedFramework>net46;netcore50;dnxcore50</SupportedFramework>
+      <SupportedFramework>net46;netcore50;netstandardapp1.5</SupportedFramework>
    </ProjectReference>
    <ProjectReference Include="..\src\System.IO.Compression.ZipFile.builds" />
  </ItemGroup>

--- a/src/libraries/System.IO.Compression/pkg/System.IO.Compression.pkgproj
+++ b/src/libraries/System.IO.Compression/pkg/System.IO.Compression.pkgproj
@@ -8,7 +8,7 @@
      <SupportedFramework>net45;netcore45;wpa81</SupportedFramework>
    </ProjectReference>
    <ProjectReference Include="..\ref\System.IO.Compression.csproj">
-      <SupportedFramework>net46;netcore50;dnxcore50</SupportedFramework>
+      <SupportedFramework>net46;netcore50;netstandardapp1.5</SupportedFramework>
    </ProjectReference>
    <ProjectReference Include="..\src\System.IO.Compression.csproj">
      <AdditionalProperties>TargetGroup=net46</AdditionalProperties>

--- a/src/libraries/System.IO.FileSystem.AccessControl/pkg/System.IO.FileSystem.AccessControl.pkgproj
+++ b/src/libraries/System.IO.FileSystem.AccessControl/pkg/System.IO.FileSystem.AccessControl.pkgproj
@@ -4,17 +4,17 @@
  <ItemGroup>
    <ProjectReference Include="..\ref\System.IO.FileSystem.AccessControl.csproj">
-      <SupportedFramework>net46;dnxcore50</SupportedFramework>
+      <SupportedFramework>net46;netstandardapp1.5</SupportedFramework>
    </ProjectReference>
    <ProjectReference Include="..\src\System.IO.FileSystem.AccessControl.builds" />
    <NotSupportedOnTargetFramework Include="netcore50">
      <PackageTargetRuntime>win</PackageTargetRuntime>
    </NotSupportedOnTargetFramework>
-    <ExcludeDefaultValidateFramework Include="dnxcore50" />
+    <ExcludeDefaultValidateFramework Include="netstandardapp1.5" />
    <!-- Only supported on windows, so overriding
         the validation RID's -->
-    <ValidateFramework Include="dnxcore50"> 
+    <ValidateFramework Include="netstandardapp1.5"> 
      <RuntimeIDs>win7-x86;win7-x64</RuntimeIDs> 
    </ValidateFramework> 
  </ItemGroup>

--- a/src/libraries/System.IO.FileSystem.DriveInfo/pkg/System.IO.FileSystem.DriveInfo.pkgproj
+++ b/src/libraries/System.IO.FileSystem.DriveInfo/pkg/System.IO.FileSystem.DriveInfo.pkgproj
@@ -4,7 +4,7 @@
  <ItemGroup>
    <ProjectReference Include="..\ref\System.IO.FileSystem.DriveInfo.csproj">
-      <SupportedFramework>net46;dnxcore50</SupportedFramework>
+      <SupportedFramework>net46;netstandardapp1.5</SupportedFramework>
    </ProjectReference>
    <ProjectReference Include="..\src\System.IO.FileSystem.DriveInfo.csproj">
      <AdditionalProperties>TargetGroup=net46</AdditionalProperties>

--- a/src/libraries/System.IO.FileSystem.Primitives/pkg/System.IO.FileSystem.Primitives.pkgproj
+++ b/src/libraries/System.IO.FileSystem.Primitives/pkg/System.IO.FileSystem.Primitives.pkgproj
@@ -4,7 +4,7 @@
  <ItemGroup>
    <ProjectReference Include="..\ref\System.IO.FileSystem.Primitives.csproj">
-      <SupportedFramework>net46;netcore50;dnxcore50</SupportedFramework>
+      <SupportedFramework>net46;netcore50;netstandardapp1.5</SupportedFramework>
    </ProjectReference>
    <ProjectReference Include="..\src\System.IO.FileSystem.Primitives.builds" />
  </ItemGroup>

--- a/src/libraries/System.IO.FileSystem.Watcher/pkg/System.IO.FileSystem.Watcher.pkgproj
+++ b/src/libraries/System.IO.FileSystem.Watcher/pkg/System.IO.FileSystem.Watcher.pkgproj
@@ -4,7 +4,7 @@
  <ItemGroup>
    <ProjectReference Include="..\ref\System.IO.FileSystem.Watcher.csproj">
-      <SupportedFramework>net46;dnxcore50</SupportedFramework>
+      <SupportedFramework>net46;netstandardapp1.5</SupportedFramework>
    </ProjectReference>
    <ProjectReference Include="..\src\System.IO.FileSystem.Watcher.csproj">

--- a/src/libraries/System.IO.FileSystem/pkg/System.IO.FileSystem.pkgproj
+++ b/src/libraries/System.IO.FileSystem/pkg/System.IO.FileSystem.pkgproj
@@ -3,7 +3,7 @@
  <Import Project="$([MSBuild]::GetDirectoryNameOfFileAbove($(MSBuildThisFileDirectory), dir.props))\dir.props" />
  <ItemGroup>
    <ProjectReference Include="..\ref\System.IO.FileSystem.csproj">
-      <SupportedFramework>net46;netcore50;dnxcore50</SupportedFramework>
+      <SupportedFramework>net46;netcore50;netstandardapp1.5</SupportedFramework>
    </ProjectReference>
    <ProjectReference Include="..\src\System.IO.FileSystem.csproj">
      <TargetGroup>net46</TargetGroup>

--- a/src/libraries/System.IO.MemoryMappedFiles/pkg/System.IO.MemoryMappedFiles.pkgproj
+++ b/src/libraries/System.IO.MemoryMappedFiles/pkg/System.IO.MemoryMappedFiles.pkgproj
@@ -4,7 +4,7 @@
  <ItemGroup>
    <ProjectReference Include="..\ref\System.IO.MemoryMappedFiles.csproj">
-      <SupportedFramework>net46;dnxcore50</SupportedFramework>
+      <SupportedFramework>net46;netstandardapp1.5</SupportedFramework>
    </ProjectReference>
    <ProjectReference Include="..\src\System.IO.MemoryMappedFiles.csproj">
      <AdditionalProperties>TargetGroup=net46</AdditionalProperties>

--- a/src/libraries/System.IO.Packaging/pkg/System.IO.Packaging.pkgproj
+++ b/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;dnxcore50</SupportedFramework>
+      <SupportedFramework>net46;netcore50;netstandardapp1.5</SupportedFramework>
    </ProjectReference>
    <ProjectReference Include="..\src\System.IO.Packaging.builds" />
  </ItemGroup>

--- a/src/libraries/System.IO.Pipes/pkg/System.IO.Pipes.pkgproj
+++ b/src/libraries/System.IO.Pipes/pkg/System.IO.Pipes.pkgproj
@@ -4,7 +4,7 @@
  <ItemGroup>
    <ProjectReference Include="..\ref\System.IO.Pipes.csproj">
-      <SupportedFramework>net46;dnxcore50</SupportedFramework>
+      <SupportedFramework>net46;netstandardapp1.5</SupportedFramework>
    </ProjectReference>
    <ProjectReference Include="..\src\System.IO.Pipes.csproj">
      <AdditionalProperties>TargetGroup=net46</AdditionalProperties>

--- a/src/libraries/System.IO.UnmanagedMemoryStream/pkg/System.IO.UnmanagedMemoryStream.pkgproj
+++ b/src/libraries/System.IO.UnmanagedMemoryStream/pkg/System.IO.UnmanagedMemoryStream.pkgproj
@@ -4,7 +4,7 @@
  <ItemGroup>
    <ProjectReference Include="..\ref\System.IO.UnmanagedMemoryStream.csproj">
-      <SupportedFramework>net46;netcore50;dnxcore50</SupportedFramework>
+      <SupportedFramework>net46;netcore50;netstandardapp1.5</SupportedFramework>
    </ProjectReference>
    <ProjectReference Include="..\src\System.IO.UnmanagedMemoryStream.builds" />
  </ItemGroup>

--- a/src/libraries/System.IO/pkg/System.IO.pkgproj
+++ b/src/libraries/System.IO/pkg/System.IO.pkgproj
@@ -6,7 +6,7 @@
      <SupportedFramework>net45;netcore45;wp8;wpa81</SupportedFramework>
    </ProjectReference>
    <ProjectReference Include="..\ref\System.IO.csproj">
-      <SupportedFramework>net46;netcore50;dnxcore50</SupportedFramework>
+      <SupportedFramework>net46;netcore50;netstandardapp1.5</SupportedFramework>
    </ProjectReference>
    <ProjectReference Include="..\src\System.IO.csproj">
      <TargetGroup>net46</TargetGroup>

--- a/src/libraries/System.Linq.Expressions/pkg/System.Linq.Expressions.pkgproj
+++ b/src/libraries/System.Linq.Expressions/pkg/System.Linq.Expressions.pkgproj
@@ -6,7 +6,7 @@
      <SupportedFramework>net45;netcore45;wp80;wpa81</SupportedFramework>
    </ProjectReference>
    <ProjectReference Include="..\ref\System.Linq.Expressions.csproj">
-      <SupportedFramework>net46;netcore50;dnxcore50</SupportedFramework>
+      <SupportedFramework>net46;netcore50;netstandardapp1.5</SupportedFramework>
    </ProjectReference>
    <!-- not yet needed

--- a/src/libraries/System.Linq.Parallel/pkg/System.Linq.Parallel.pkgproj
+++ b/src/libraries/System.Linq.Parallel/pkg/System.Linq.Parallel.pkgproj
@@ -4,7 +4,7 @@
  <ItemGroup>
    <ProjectReference Include="..\ref\System.Linq.Parallel.csproj">
-      <SupportedFramework>net45;netcore45;dnxcore50;wpa81</SupportedFramework>
+      <SupportedFramework>net45;netcore45;netstandardapp1.5;wpa81</SupportedFramework>
    </ProjectReference>
    <ProjectReference Include="..\src\System.Linq.Parallel.builds" />

--- a/src/libraries/System.Linq.Queryable/pkg/System.Linq.Queryable.pkgproj
+++ b/src/libraries/System.Linq.Queryable/pkg/System.Linq.Queryable.pkgproj
@@ -4,7 +4,7 @@
  <ItemGroup>
    <ProjectReference Include="..\ref\System.Linq.Queryable.csproj">
-      <SupportedFramework>net45;netcore45;dnxcore50;wp8;wpa81</SupportedFramework>
+      <SupportedFramework>net45;netcore45;netstandardapp1.5;wp8;wpa81</SupportedFramework>
    </ProjectReference>
    <ProjectReference Include="..\src\System.Linq.Queryable.builds" />

--- a/src/libraries/System.Linq/pkg/System.Linq.pkgproj
+++ b/src/libraries/System.Linq/pkg/System.Linq.pkgproj
@@ -7,7 +7,7 @@
      <SupportedFramework>net45;netcore45;wp8;wpa81</SupportedFramework>
    </ProjectReference>
    <ProjectReference Include="..\ref\System.Linq.csproj">
-      <SupportedFramework>netcore50;dnxcore50</SupportedFramework>
+      <SupportedFramework>netcore50;netstandardapp1.5</SupportedFramework>
    </ProjectReference>
    <ProjectReference Include="..\src\System.Linq.builds" />

--- a/src/libraries/System.Net.Http.WinHttpHandler/pkg/System.Net.Http.WinHttpHandler.pkgproj
+++ b/src/libraries/System.Net.Http.WinHttpHandler/pkg/System.Net.Http.WinHttpHandler.pkgproj
@@ -4,17 +4,17 @@
  <ItemGroup>
    <ProjectReference Include="..\ref\System.Net.Http.WinHttpHandler.csproj">
-      <SupportedFramework>net46;dnxcore50</SupportedFramework>
+      <SupportedFramework>net46;netstandardapp1.5</SupportedFramework>
    </ProjectReference>
    <ProjectReference Include="..\src\System.Net.Http.WinHttpHandler.builds" />
    <NotSupportedOnTargetFramework Include="netcore50">
      <PackageTargetRuntime>win</PackageTargetRuntime>
    </NotSupportedOnTargetFramework>
-    <ExcludeDefaultValidateFramework Include="dnxcore50" />
+    <ExcludeDefaultValidateFramework Include="netstandardapp1.5" />
    <!-- Only supported on windows, so overriding
         the validation RID's -->
-    <ValidateFramework Include="dnxcore50"> 
+    <ValidateFramework Include="netstandardapp1.5"> 
      <RuntimeIDs>win7-x86;win7-x64</RuntimeIDs> 
    </ValidateFramework> 
  </ItemGroup>

--- a/src/libraries/System.Net.Http/pkg/System.Net.Http.pkgproj
+++ b/src/libraries/System.Net.Http/pkg/System.Net.Http.pkgproj
@@ -4,7 +4,7 @@
  <ItemGroup>
    <ProjectReference Include="..\ref\System.Net.Http.csproj">
-      <SupportedFramework>net45;netcore45;dnxcore50;wpa81</SupportedFramework>
+      <SupportedFramework>net45;netcore45;netstandardapp1.5;wpa81</SupportedFramework>
    </ProjectReference>
    <ProjectReference Include="win\System.Net.Http.pkgproj" />

--- a/src/libraries/System.Net.NameResolution/pkg/System.Net.NameResolution.pkgproj
+++ b/src/libraries/System.Net.NameResolution/pkg/System.Net.NameResolution.pkgproj
@@ -4,7 +4,7 @@
  <ItemGroup>
    <ProjectReference Include="..\ref\System.Net.NameResolution.csproj">
-      <SupportedFramework>net46;netcore50;dnxcore50</SupportedFramework>
+      <SupportedFramework>net46;netcore50;netstandardapp1.5</SupportedFramework>
    </ProjectReference>
    <ProjectReference Include="..\src\System.Net.NameResolution.csproj">

--- a/src/libraries/System.Net.NetworkInformation/pkg/System.Net.NetworkInformation.pkgproj
+++ b/src/libraries/System.Net.NetworkInformation/pkg/System.Net.NetworkInformation.pkgproj
@@ -7,7 +7,7 @@
      <SupportedFramework>net45;netcore45;wp8;wpa81</SupportedFramework>
    </ProjectReference>
    <ProjectReference Include="..\ref\System.Net.NetworkInformation.csproj">
-      <SupportedFramework>net46;netcore50;dnxcore50</SupportedFramework>
+      <SupportedFramework>net46;netcore50;netstandardapp1.5</SupportedFramework>
    </ProjectReference>
    <ProjectReference Include="..\src\System.Net.NetworkInformation.csproj">

--- a/src/libraries/System.Net.Ping/pkg/System.Net.Ping.pkgproj
+++ b/src/libraries/System.Net.Ping/pkg/System.Net.Ping.pkgproj
@@ -4,7 +4,7 @@
  <ItemGroup>
    <ProjectReference Include="..\ref\System.Net.Ping.csproj">
-      <SupportedFramework>net46;dnxcore50</SupportedFramework>
+      <SupportedFramework>net46;netstandardapp1.5</SupportedFramework>
    </ProjectReference>
    <ProjectReference Include="..\src\System.Net.Ping.csproj">
      <AdditionalProperties>TargetGroup=net46</AdditionalProperties>

--- a/src/libraries/System.Net.Primitives/pkg/System.Net.Primitives.pkgproj
+++ b/src/libraries/System.Net.Primitives/pkg/System.Net.Primitives.pkgproj
@@ -9,7 +9,7 @@
      <SupportedFramework>net45;netcore45;wpa81</SupportedFramework>
    </ProjectReference>
    <ProjectReference Include="..\ref\System.Net.Primitives.csproj">
-      <SupportedFramework>net46;netcore50;dnxcore50</SupportedFramework>
+      <SupportedFramework>net46;netcore50;netstandardapp1.5</SupportedFramework>
    </ProjectReference>
    <InboxOnTargetFramework Include="MonoAndroid10" />

--- a/src/libraries/System.Net.Requests/pkg/System.Net.Requests.pkgproj
+++ b/src/libraries/System.Net.Requests/pkg/System.Net.Requests.pkgproj
@@ -9,7 +9,7 @@
      <SupportedFramework>net45;netcore45;wpa81</SupportedFramework>
    </ProjectReference>
    <ProjectReference Include="..\ref\System.Net.Requests.csproj">
-      <SupportedFramework>net46;netcore50;dnxcore50</SupportedFramework>
+      <SupportedFramework>net46;netcore50;netstandardapp1.5</SupportedFramework>
    </ProjectReference>
    <ProjectReference Include="win\System.Net.Requests.pkgproj" />
    <ProjectReference Include="unix\System.Net.Requests.pkgproj" />

--- a/src/libraries/System.Net.Security/pkg/System.Net.Security.pkgproj
+++ b/src/libraries/System.Net.Security/pkg/System.Net.Security.pkgproj
@@ -4,7 +4,7 @@
  <ItemGroup>
    <ProjectReference Include="..\ref\System.Net.Security.csproj">
-      <SupportedFramework>net46;dnxcore50</SupportedFramework>
+      <SupportedFramework>net46;netstandardapp1.5</SupportedFramework>
    </ProjectReference>
    <ProjectReference Include="..\src\System.Net.Security.csproj">
      <AdditionalProperties>TargetGroup=net46</AdditionalProperties>

--- a/src/libraries/System.Net.Sockets/pkg/System.Net.Sockets.pkgproj
+++ b/src/libraries/System.Net.Sockets/pkg/System.Net.Sockets.pkgproj
@@ -4,7 +4,7 @@
  <ItemGroup>
    <ProjectReference Include="..\ref\System.Net.Sockets.csproj">
-      <SupportedFramework>net46;netcore50;dnxcore50</SupportedFramework>
+      <SupportedFramework>net46;netcore50;netstandardapp1.5</SupportedFramework>
    </ProjectReference>
    <ProjectReference Include="..\src\System.Net.Sockets.csproj">
      <TargetGroup>net46</TargetGroup>

--- a/src/libraries/System.Net.WebHeaderCollection/pkg/System.Net.WebHeaderCollection.pkgproj
+++ b/src/libraries/System.Net.WebHeaderCollection/pkg/System.Net.WebHeaderCollection.pkgproj
@@ -4,7 +4,7 @@
  <ItemGroup>
    <ProjectReference Include="..\ref\System.Net.WebHeaderCollection.csproj">
-      <SupportedFramework>net46;netcore50;dnxcore50</SupportedFramework>
+      <SupportedFramework>net46;netcore50;netstandardapp1.5</SupportedFramework>
    </ProjectReference>
    <ProjectReference Include="..\src\System.Net.WebHeaderCollection.builds">
      <AdditionalProperties>FilterToOSGroup=Windows_NT</AdditionalProperties>

--- a/src/libraries/System.Net.WebSockets.Client/pkg/System.Net.WebSockets.Client.pkgproj
+++ b/src/libraries/System.Net.WebSockets.Client/pkg/System.Net.WebSockets.Client.pkgproj
@@ -4,7 +4,7 @@
  <ItemGroup>
    <ProjectReference Include="..\ref\System.Net.WebSockets.Client.csproj">
-      <SupportedFramework>net46;netcore50;dnxcore50</SupportedFramework>
+      <SupportedFramework>net46;netcore50;netstandardapp1.5</SupportedFramework>
    </ProjectReference>
    <ProjectReference Include="..\src\System.Net.WebSockets.Client.csproj">

--- a/src/libraries/System.Net.WebSockets/pkg/System.Net.WebSockets.pkgproj
+++ b/src/libraries/System.Net.WebSockets/pkg/System.Net.WebSockets.pkgproj
@@ -4,7 +4,7 @@
  <ItemGroup>
    <ProjectReference Include="..\ref\System.Net.WebSockets.csproj">
-      <SupportedFramework>net46;netcore50;dnxcore50</SupportedFramework>
+      <SupportedFramework>net46;netcore50;netstandardapp1.5</SupportedFramework>
    </ProjectReference>
    <ProjectReference Include="..\src\System.Net.WebSockets.builds" />
  </ItemGroup>

--- a/src/libraries/System.Numerics.Vectors/pkg/System.Numerics.Vectors.pkgproj
+++ b/src/libraries/System.Numerics.Vectors/pkg/System.Numerics.Vectors.pkgproj
@@ -7,7 +7,7 @@
  </PropertyGroup>
  <ItemGroup>
    <ProjectReference Include="..\ref\System.Numerics.Vectors.csproj">
-      <SupportedFramework>net45;netcore45;dnxcore50</SupportedFramework>
+      <SupportedFramework>net45;netcore45;netstandardapp1.5</SupportedFramework>
    </ProjectReference>
    <ProjectReference Include="..\src\System.Numerics.Vectors.builds" />
  </ItemGroup>

--- a/src/libraries/System.ObjectModel/pkg/System.ObjectModel.pkgproj
+++ b/src/libraries/System.ObjectModel/pkg/System.ObjectModel.pkgproj
@@ -6,7 +6,7 @@
      <SupportedFramework>net45;netcore45;wp8;wpa81</SupportedFramework>
    </ProjectReference>
    <ProjectReference Include="..\ref\System.ObjectModel.csproj">
-      <SupportedFramework>net46;netcore50;dnxcore50</SupportedFramework>
+      <SupportedFramework>net46;netcore50;netstandardapp1.5</SupportedFramework>
    </ProjectReference>
    <ProjectReference Include="..\src\System.ObjectModel.builds" />
    <InboxOnTargetFramework Include="MonoAndroid10" />

--- a/src/libraries/System.Reflection.DispatchProxy/pkg/System.Reflection.DispatchProxy.pkgproj
+++ b/src/libraries/System.Reflection.DispatchProxy/pkg/System.Reflection.DispatchProxy.pkgproj
@@ -4,7 +4,7 @@
  <ItemGroup>
    <ProjectReference Include="..\ref\System.Reflection.DispatchProxy.csproj">
-      <SupportedFramework>net46;netcore50;dnxcore50</SupportedFramework>
+      <SupportedFramework>net46;netcore50;netstandardapp1.5</SupportedFramework>
    </ProjectReference>
    <ProjectReference Include="any\System.Reflection.DispatchProxy.pkgproj" />
    <ProjectReference Include="aot\System.Reflection.DispatchProxy.pkgproj" />

--- a/src/libraries/System.Reflection.Emit.ILGeneration/pkg/System.Reflection.Emit.ILGeneration.pkgproj
+++ b/src/libraries/System.Reflection.Emit.ILGeneration/pkg/System.Reflection.Emit.ILGeneration.pkgproj
@@ -4,7 +4,7 @@
  <ItemGroup>
    <ProjectReference Include="..\ref\System.Reflection.Emit.ILGeneration.csproj">
-      <SupportedFramework>net45;dnxcore50;wp8</SupportedFramework>
+      <SupportedFramework>net45;netstandardapp1.5;wp8</SupportedFramework>
    </ProjectReference>
    <ProjectReference Include="..\src\System.Reflection.Emit.ILGeneration.builds" />

--- a/src/libraries/System.Reflection.Emit.Lightweight/pkg/System.Reflection.Emit.Lightweight.pkgproj
+++ b/src/libraries/System.Reflection.Emit.Lightweight/pkg/System.Reflection.Emit.Lightweight.pkgproj
@@ -4,7 +4,7 @@
  <ItemGroup>
    <ProjectReference Include="..\ref\System.Reflection.Emit.Lightweight.csproj">
-      <SupportedFramework>net45;dnxcore50;wp8</SupportedFramework>
+      <SupportedFramework>net45;netstandardapp1.5;wp8</SupportedFramework>
    </ProjectReference>
    <ProjectReference Include="..\src\System.Reflection.Emit.Lightweight.builds"/>

--- a/src/libraries/System.Reflection.Emit/pkg/System.Reflection.Emit.pkgproj
+++ b/src/libraries/System.Reflection.Emit/pkg/System.Reflection.Emit.pkgproj
@@ -4,7 +4,7 @@
  <ItemGroup>
    <ProjectReference Include="..\ref\System.Reflection.Emit.csproj">
-      <SupportedFramework>net45;netcore50;dnxcore50</SupportedFramework>
+      <SupportedFramework>net45;netcore50;netstandardapp1.5</SupportedFramework>
    </ProjectReference>
    <ProjectReference Include="..\src\System.Reflection.Emit.builds" />

--- a/src/libraries/System.Reflection.Extensions/pkg/System.Reflection.Extensions.pkgproj
+++ b/src/libraries/System.Reflection.Extensions/pkg/System.Reflection.Extensions.pkgproj
@@ -4,7 +4,7 @@
  <ItemGroup>
    <ProjectReference Include="..\ref\System.Reflection.Extensions.csproj">
-      <SupportedFramework>net45;netcore45;dnxcore50;wp8;wpa81</SupportedFramework>
+      <SupportedFramework>net45;netcore45;netstandardapp1.5;wp8;wpa81</SupportedFramework>
    </ProjectReference>
    <ProjectReference Include="any\System.Reflection.Extensions.pkgproj" />
    <ProjectReference Include="aot\System.Reflection.Extensions.pkgproj" />

--- a/src/libraries/System.Reflection.Metadata/pkg/System.Reflection.Metadata.pkgproj
+++ b/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;dnxcore50;wpa81</SupportedFramework>
+      <SupportedFramework>net45;netcore45;netstandardapp1.5;wpa81</SupportedFramework>
    </ProjectReference>
    <Dependency Include="System.Collections.Immutable">
      <TargetFramework>portable-net45+win8</TargetFramework>

--- a/src/libraries/System.Reflection.Metadata/pkg/future/System.Reflection.Metadata.pkgproj
+++ b/src/libraries/System.Reflection.Metadata/pkg/future/System.Reflection.Metadata.pkgproj
@@ -12,7 +12,7 @@
  <ItemGroup>
    <ProjectReference Include="..\..\src\System.Reflection.Metadata.csproj">
      <AdditionalProperties>future=true</AdditionalProperties>
-      <SupportedFramework>net45;netcore45;dnxcore50;wpa81</SupportedFramework>
+      <SupportedFramework>net45;netcore45;netstandardapp1.5;wpa81</SupportedFramework>
    </ProjectReference>
    <Dependency Include="System.Collections.Immutable">
      <TargetFramework>portable-net45+win8</TargetFramework>

--- a/src/libraries/System.Reflection.Primitives/pkg/System.Reflection.Primitives.pkgproj
+++ b/src/libraries/System.Reflection.Primitives/pkg/System.Reflection.Primitives.pkgproj
@@ -4,7 +4,7 @@
  <ItemGroup>
    <ProjectReference Include="..\ref\System.Reflection.Primitives.csproj">
-      <SupportedFramework>net45;netcore45;dnxcore50;wp8;wpa81</SupportedFramework>
+      <SupportedFramework>net45;netcore45;netstandardapp1.5;wp8;wpa81</SupportedFramework>
    </ProjectReference>
    <ProjectReference Include="any\System.Reflection.Primitives.pkgproj" />

--- a/src/libraries/System.Reflection.TypeExtensions/pkg/System.Reflection.TypeExtensions.pkgproj
+++ b/src/libraries/System.Reflection.TypeExtensions/pkg/System.Reflection.TypeExtensions.pkgproj
@@ -4,7 +4,7 @@
  <ItemGroup>
    <ProjectReference Include="..\ref\System.Reflection.TypeExtensions.csproj">
-      <SupportedFramework>net46;netcore50;dnxcore50</SupportedFramework>
+      <SupportedFramework>net46;netcore50;netstandardapp1.5</SupportedFramework>
    </ProjectReference>
    <ProjectReference Include="..\src\System.Reflection.TypeExtensions.csproj">
      <TargetGroup>net46</TargetGroup>

--- a/src/libraries/System.Reflection/pkg/System.Reflection.pkgproj
+++ b/src/libraries/System.Reflection/pkg/System.Reflection.pkgproj
@@ -6,7 +6,7 @@
      <SupportedFramework>net45;netcore45;wp8;wpa81</SupportedFramework>
    </ProjectReference>
    <ProjectReference Include="..\ref\System.Reflection.csproj">
-      <SupportedFramework>net46;netcore50;dnxcore50</SupportedFramework>
+      <SupportedFramework>net46;netcore50;netstandardapp1.5</SupportedFramework>
    </ProjectReference>
    <ProjectReference Include="..\src\System.Reflection.csproj">
      <TargetGroup>net46</TargetGroup>

--- a/src/libraries/System.Resources.Reader/pkg/System.Resources.Reader.pkgproj
+++ b/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;dnxcore50;wp8;wpa81</SupportedFramework>
+      <SupportedFramework>net45;netcore45;netstandardapp1.5;wp8;wpa81</SupportedFramework>
    </ProjectReference>
  </ItemGroup>

--- a/src/libraries/System.Resources.ReaderWriter/pkg/System.Resources.ReaderWriter.pkgproj
+++ b/src/libraries/System.Resources.ReaderWriter/pkg/System.Resources.ReaderWriter.pkgproj
@@ -4,7 +4,7 @@
  <ItemGroup>
    <ProjectReference Include="..\ref\System.Resources.ReaderWriter.csproj">
-      <SupportedFramework>net46;dnxcore50;netcore50</SupportedFramework>
+      <SupportedFramework>net46;netstandardapp1.5;netcore50</SupportedFramework>
    </ProjectReference>
    <ProjectReference Include="..\src\System.Resources.ReaderWriter.builds" />
  </ItemGroup>

--- a/src/libraries/System.Resources.ResourceManager/pkg/System.Resources.ResourceManager.pkgproj
+++ b/src/libraries/System.Resources.ResourceManager/pkg/System.Resources.ResourceManager.pkgproj
@@ -4,7 +4,7 @@
  <ItemGroup>
    <ProjectReference Include="..\ref\System.Resources.ResourceManager.csproj">
-      <SupportedFramework>net45;netcore45;dnxcore50;wp8;wpa81</SupportedFramework>
+      <SupportedFramework>net45;netcore45;netstandardapp1.5;wp8;wpa81</SupportedFramework>
    </ProjectReference>
    <ProjectReference Include="any\System.Resources.ResourceManager.pkgproj" />

--- a/src/libraries/System.Resources.Writer/pkg/System.Resources.Writer.pkgproj
+++ b/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;dnxcore50</SupportedFramework>
+      <SupportedFramework>net46;netcore50;netstandardapp1.5</SupportedFramework>
    </ProjectReference>
  </ItemGroup>

--- a/src/libraries/System.Runtime.CompilerServices.VisualC/pkg/System.Runtime.CompilerServices.VisualC.pkgproj
+++ b/src/libraries/System.Runtime.CompilerServices.VisualC/pkg/System.Runtime.CompilerServices.VisualC.pkgproj
@@ -4,7 +4,7 @@
  <ItemGroup>
    <ProjectReference Include="..\ref\System.Runtime.CompilerServices.VisualC.csproj">
-      <SupportedFramework>net46;dnxcore50</SupportedFramework>
+      <SupportedFramework>net46;netstandardapp1.5</SupportedFramework>
    </ProjectReference>
    <ProjectReference Include="..\src\System.Runtime.CompilerServices.VisualC.builds" />
  </ItemGroup>

--- a/src/libraries/System.Runtime.Extensions/pkg/System.Runtime.Extensions.pkgproj
+++ b/src/libraries/System.Runtime.Extensions/pkg/System.Runtime.Extensions.pkgproj
@@ -6,7 +6,7 @@
      <SupportedFramework>net45;netcore45;wp80;wpa81</SupportedFramework>
    </ProjectReference>
    <ProjectReference Include="..\ref\System.Runtime.Extensions.csproj">
-      <SupportedFramework>netcore50;dnxcore50;net46;</SupportedFramework>
+      <SupportedFramework>netcore50;netstandardapp1.5;net46;</SupportedFramework>
    </ProjectReference>
    <ProjectReference Include="..\src\System.Runtime.Extensions.csproj" >
      <TargetGroup>net46</TargetGroup>

--- a/src/libraries/System.Runtime.Handles/pkg/System.Runtime.Handles.pkgproj
+++ b/src/libraries/System.Runtime.Handles/pkg/System.Runtime.Handles.pkgproj
@@ -4,7 +4,7 @@
  <ItemGroup>
    <ProjectReference Include="..\ref\System.Runtime.Handles.csproj">
-      <SupportedFramework>net46;netcore50;dnxcore50</SupportedFramework>
+      <SupportedFramework>net46;netcore50;netstandardapp1.5</SupportedFramework>
    </ProjectReference>
    <ProjectReference Include="any\System.Runtime.Handles.pkgproj" />
    <ProjectReference Include="aot\System.Runtime.Handles.pkgproj" />

--- a/src/libraries/System.Runtime.InteropServices.PInvoke/pkg/System.Runtime.InteropServices.PInvoke.pkgproj
+++ b/src/libraries/System.Runtime.InteropServices.PInvoke/pkg/System.Runtime.InteropServices.PInvoke.pkgproj
@@ -3,7 +3,7 @@
  <Import Project="$([MSBuild]::GetDirectoryNameOfFileAbove($(MSBuildThisFileDirectory), dir.props))\dir.props" />
  <ItemGroup>
    <ProjectReference Include="..\ref\System.Runtime.InteropServices.PInvoke.csproj">
-      <SupportedFramework>net46;netcore50;dnxcore50</SupportedFramework>
+      <SupportedFramework>net46;netcore50;netstandardapp1.5</SupportedFramework>
    </ProjectReference>
    <ProjectReference Include="..\src\System.Runtime.InteropServices.PInvoke.builds" />
    <InboxOnTargetFramework Include="MonoAndroid10" />

--- a/src/libraries/System.Runtime.InteropServices.RuntimeInformation/pkg/System.Runtime.InteropServices.RuntimeInformation.pkgproj
+++ b/src/libraries/System.Runtime.InteropServices.RuntimeInformation/pkg/System.Runtime.InteropServices.RuntimeInformation.pkgproj
@@ -4,7 +4,7 @@
  <ItemGroup>
    <ProjectReference Include="..\ref\System.Runtime.InteropServices.RuntimeInformation.csproj">
-      <SupportedFramework>net45;netcore45;dnxcore50</SupportedFramework>
+      <SupportedFramework>net45;netcore45;netstandardapp1.5</SupportedFramework>
    </ProjectReference>
    <ProjectReference Include="win/System.Runtime.InteropServices.RuntimeInformation.pkgproj" />

--- a/src/libraries/System.Runtime.InteropServices.WindowsRuntime/pkg/System.Runtime.InteropServices.WindowsRuntime.pkgproj
+++ b/src/libraries/System.Runtime.InteropServices.WindowsRuntime/pkg/System.Runtime.InteropServices.WindowsRuntime.pkgproj
@@ -4,7 +4,7 @@
  <ItemGroup>
    <ProjectReference Include="..\ref\System.Runtime.InteropServices.WindowsRuntime.csproj">
-      <SupportedFramework>net45;dnxcore50;netcore45;wp8;wpa81</SupportedFramework>
+      <SupportedFramework>net45;netstandardapp1.5;netcore45;wp8;wpa81</SupportedFramework>
    </ProjectReference>
    <ProjectReference Include="..\src\System.Runtime.InteropServices.WindowsRuntime.builds" />
@@ -13,11 +13,11 @@
    <InboxOnTargetFramework Include="wp80"/>
    <InboxOnTargetFramework Include="wpa81"/>
-    <ExcludeDefaultValidateFramework Include="dnxcore50" />
+    <ExcludeDefaultValidateFramework Include="netstandardapp1.5" />
    <!-- Only supported on win8 and higher, so overriding
         the validation RID's -->
-    <ValidateFramework Include="dnxcore50"> 
+    <ValidateFramework Include="netstandardapp1.5"> 
      <RuntimeIDs>win8-x86;win8-x64</RuntimeIDs> 
    </ValidateFramework> 

--- a/src/libraries/System.Runtime.InteropServices/pkg/System.Runtime.InteropServices.pkgproj
+++ b/src/libraries/System.Runtime.InteropServices/pkg/System.Runtime.InteropServices.pkgproj
@@ -9,7 +9,7 @@
      <SupportedFramework>net451;netcore451;wpa81</SupportedFramework>
    </ProjectReference>
    <ProjectReference Include="..\ref\System.Runtime.InteropServices.csproj">
-      <SupportedFramework>net46;netcore50;dnxcore50</SupportedFramework>
+      <SupportedFramework>net46;netcore50;netstandardapp1.5</SupportedFramework>
    </ProjectReference>
    <ProjectReference Include="..\src\System.Runtime.InteropServices.csproj">
      <TargetGroup>net46</TargetGroup>

--- a/src/libraries/System.Runtime.Loader/pkg/System.Runtime.Loader.pkgproj
+++ b/src/libraries/System.Runtime.Loader/pkg/System.Runtime.Loader.pkgproj
@@ -4,7 +4,7 @@
  <ItemGroup>
    <ProjectReference Include="..\ref\System.Runtime.Loader.csproj">
-      <SupportedFramework>dnxcore50</SupportedFramework>
+      <SupportedFramework>netstandardapp1.5</SupportedFramework>
    </ProjectReference>
    <ProjectReference Include="..\src\System.Runtime.Loader.builds"/>

--- a/src/libraries/System.Runtime.Numerics/pkg/System.Runtime.Numerics.pkgproj
+++ b/src/libraries/System.Runtime.Numerics/pkg/System.Runtime.Numerics.pkgproj
@@ -4,7 +4,7 @@
  <ItemGroup>
    <ProjectReference Include="..\ref\System.Runtime.Numerics.csproj">
-      <SupportedFramework>net45;netcore45;dnxcore50;wpa81</SupportedFramework>
+      <SupportedFramework>net45;netcore45;netstandardapp1.5;wpa81</SupportedFramework>
    </ProjectReference>
    <ProjectReference Include="..\src\System.Runtime.Numerics.builds" />

--- a/src/libraries/System.Runtime.Serialization.Json/pkg/System.Runtime.Serialization.Json.pkgproj
+++ b/src/libraries/System.Runtime.Serialization.Json/pkg/System.Runtime.Serialization.Json.pkgproj
@@ -4,7 +4,7 @@
  <ItemGroup>
    <ProjectReference Include="..\ref\System.Runtime.Serialization.Json.csproj">
-      <SupportedFramework>net45;netcore45;dnxcore50;wp8;wpa81</SupportedFramework>
+      <SupportedFramework>net45;netcore45;netstandardapp1.5;wp8;wpa81</SupportedFramework>
    </ProjectReference>
    <ProjectReference Include="..\src\System.Runtime.Serialization.Json.builds" />
@@ -19,7 +19,7 @@
    <InboxOnTargetFramework Include="xamarinmac20"/>
    <ProjectReference Include="..\..\System.Private.DataContractSerialization\pkg\System.Private.DataContractSerialization.pkgproj">
-      <PackageTargetFramework>dnxcore50</PackageTargetFramework>
+      <PackageTargetFramework>netstandardapp1.5</PackageTargetFramework>
    </ProjectReference>
    <ProjectReference Include="..\..\System.Private.DataContractSerialization\pkg\System.Private.DataContractSerialization.pkgproj">
      <PackageTargetFramework>netcore50</PackageTargetFramework>

--- a/src/libraries/System.Runtime.Serialization.Primitives/pkg/System.Runtime.Serialization.Primitives.pkgproj
+++ b/src/libraries/System.Runtime.Serialization.Primitives/pkg/System.Runtime.Serialization.Primitives.pkgproj
@@ -6,7 +6,7 @@
      <SupportedFramework>net45;netcore45;wp8;wpa81</SupportedFramework>
    </ProjectReference>
    <ProjectReference Include="..\ref\System.Runtime.Serialization.Primitives.csproj">
-      <SupportedFramework>net46;netcore50;dnxcore50</SupportedFramework>
+      <SupportedFramework>net46;netcore50;netstandardapp1.5</SupportedFramework>
    </ProjectReference>
    <ProjectReference Include="..\src\System.Runtime.Serialization.Primitives.csproj">
      <TargetGroup>net46</TargetGroup>

--- a/src/libraries/System.Runtime.Serialization.Xml/pkg/System.Runtime.Serialization.Xml.pkgproj
+++ b/src/libraries/System.Runtime.Serialization.Xml/pkg/System.Runtime.Serialization.Xml.pkgproj
@@ -6,7 +6,7 @@
      <SupportedFramework>net45;netcore45;wp8;wpa81</SupportedFramework>
    </ProjectReference>
    <ProjectReference Include="..\ref\System.Runtime.Serialization.Xml.csproj">
-      <SupportedFramework>net46;netcore50;dnxcore50</SupportedFramework>
+      <SupportedFramework>net46;netcore50;netstandardapp1.5</SupportedFramework>
    </ProjectReference>
    <ProjectReference Include="..\src\System.Runtime.Serialization.Xml.builds" />
    <InboxOnTargetFramework Include="MonoAndroid10" />
@@ -18,7 +18,7 @@
    <InboxOnTargetFramework Include="xamarinios10" />
    <InboxOnTargetFramework Include="xamarinmac20" />
    <ProjectReference Include="..\..\System.Private.DataContractSerialization\pkg\System.Private.DataContractSerialization.pkgproj">
-      <PackageTargetFramework>dnxcore50</PackageTargetFramework>
+      <PackageTargetFramework>netstandardapp1.5</PackageTargetFramework>
    </ProjectReference>
    <ProjectReference Include="..\..\System.Private.DataContractSerialization\pkg\System.Private.DataContractSerialization.pkgproj">
      <PackageTargetFramework>netcore50</PackageTargetFramework>

--- a/src/libraries/System.Runtime/pkg/System.Runtime.pkgproj
+++ b/src/libraries/System.Runtime/pkg/System.Runtime.pkgproj
@@ -9,7 +9,7 @@
      <SupportedFramework>net451;netcore451;wpa81</SupportedFramework>
    </ProjectReference>
    <ProjectReference Include="..\ref\System.Runtime.csproj">
-      <SupportedFramework>net46;netcore50;dnxcore50</SupportedFramework>
+      <SupportedFramework>net46;netcore50;netstandardapp1.5</SupportedFramework>
    </ProjectReference>
    <ProjectReference Include="..\src\System.Runtime.csproj">
      <TargetGroup>net46</TargetGroup>

--- a/src/libraries/System.Security.AccessControl/pkg/System.Security.AccessControl.pkgproj
+++ b/src/libraries/System.Security.AccessControl/pkg/System.Security.AccessControl.pkgproj
@@ -3,7 +3,7 @@
  <Import Project="$([MSBuild]::GetDirectoryNameOfFileAbove($(MSBuildThisFileDirectory), dir.props))\dir.props" />
  <ItemGroup>
    <ProjectReference Include="..\ref\System.Security.AccessControl.csproj">
-      <SupportedFramework>net46;dnxcore50</SupportedFramework>
+      <SupportedFramework>net46;netstandardapp1.5</SupportedFramework>
    </ProjectReference>
    <ProjectReference Include="..\src\System.Security.AccessControl.builds" />
@@ -11,10 +11,10 @@
      <PackageTargetRuntime>win</PackageTargetRuntime>
    </NotSupportedOnTargetFramework>
-    <ExcludeDefaultValidateFramework Include="dnxcore50" />
+    <ExcludeDefaultValidateFramework Include="netstandardapp1.5" />
    <!-- Only supported on windows, so overriding
         the validation RID's -->
-    <ValidateFramework Include="dnxcore50"> 
+    <ValidateFramework Include="netstandardapp1.5"> 
      <RuntimeIDs>win7-x86;win7-x64</RuntimeIDs> 
    </ValidateFramework> 
  </ItemGroup>

--- a/src/libraries/System.Security.Claims/pkg/System.Security.Claims.pkgproj
+++ b/src/libraries/System.Security.Claims/pkg/System.Security.Claims.pkgproj
@@ -4,7 +4,7 @@
  <ItemGroup>
    <ProjectReference Include="..\ref\System.Security.Claims.csproj">
-      <SupportedFramework>net46;netcore50;dnxcore50</SupportedFramework>
+      <SupportedFramework>net46;netcore50;netstandardapp1.5</SupportedFramework>
    </ProjectReference>
    <ProjectReference Include="..\src\System.Security.Claims.builds" />
  </ItemGroup>

--- a/src/libraries/System.Security.Cryptography.Algorithms/pkg/System.Security.Cryptography.Algorithms.pkgproj
+++ b/src/libraries/System.Security.Cryptography.Algorithms/pkg/System.Security.Cryptography.Algorithms.pkgproj
@@ -3,7 +3,7 @@
  <Import Project="$([MSBuild]::GetDirectoryNameOfFileAbove($(MSBuildThisFileDirectory), dir.props))\dir.props" />
  <ItemGroup>
    <ProjectReference Include="..\ref\System.Security.Cryptography.Algorithms.csproj">
-      <SupportedFramework>net46;netcore50;dnxcore50</SupportedFramework>
+      <SupportedFramework>net46;netcore50;netstandardapp1.5</SupportedFramework>
    </ProjectReference>
    <ProjectReference Include="..\src\System.Security.Cryptography.Algorithms.csproj">
      <TargetGroup>net46</TargetGroup>

--- a/src/libraries/System.Security.Cryptography.Cng/pkg/System.Security.Cryptography.Cng.pkgproj
+++ b/src/libraries/System.Security.Cryptography.Cng/pkg/System.Security.Cryptography.Cng.pkgproj
@@ -4,7 +4,7 @@
  <ItemGroup>
    <ProjectReference Include="..\ref\System.Security.Cryptography.Cng.csproj">
-      <SupportedFramework>net46;netcore50;dnxcore50</SupportedFramework>
+      <SupportedFramework>net46;netcore50;netstandardapp1.5</SupportedFramework>
    </ProjectReference>
    <ProjectReference Include="..\src\System.Security.Cryptography.Cng.builds" />
  </ItemGroup>

--- a/src/libraries/System.Security.Cryptography.Csp/pkg/System.Security.Cryptography.Csp.pkgproj
+++ b/src/libraries/System.Security.Cryptography.Csp/pkg/System.Security.Cryptography.Csp.pkgproj
@@ -4,7 +4,7 @@
  <ItemGroup>
    <ProjectReference Include="..\ref\System.Security.Cryptography.Csp.csproj">
-      <SupportedFramework>net46;dnxcore50</SupportedFramework>
+      <SupportedFramework>net46;netstandardapp1.5</SupportedFramework>
    </ProjectReference>
    <ProjectReference Include="..\src\System.Security.Cryptography.Csp.builds" />
@@ -12,10 +12,10 @@
      <PackageTargetRuntime>win</PackageTargetRuntime>
    </NotSupportedOnTargetFramework>
-    <ExcludeDefaultValidateFramework Include="dnxcore50" />
+    <ExcludeDefaultValidateFramework Include="netstandardapp1.5" />
    <!-- Only supported on windows, so overriding
         the validation RID's -->
-    <ValidateFramework Include="dnxcore50"> 
+    <ValidateFramework Include="netstandardapp1.5"> 
      <RuntimeIDs>win7-x86;win7-x64</RuntimeIDs> 
    </ValidateFramework> 
  </ItemGroup>

--- a/src/libraries/System.Security.Cryptography.Encoding/pkg/System.Security.Cryptography.Encoding.pkgproj
+++ b/src/libraries/System.Security.Cryptography.Encoding/pkg/System.Security.Cryptography.Encoding.pkgproj
@@ -4,7 +4,7 @@
  <ItemGroup>
    <ProjectReference Include="..\ref\System.Security.Cryptography.Encoding.csproj">
-      <SupportedFramework>net46;netcore50;dnxcore50</SupportedFramework>
+      <SupportedFramework>net46;netcore50;netstandardapp1.5</SupportedFramework>
    </ProjectReference>
    <ProjectReference Include="..\src\System.Security.Cryptography.Encoding.csproj">
      <AdditionalProperties>TargetGroup=net46</AdditionalProperties>

--- a/src/libraries/System.Security.Cryptography.OpenSsl/pkg/System.Security.Cryptography.OpenSsl.pkgproj
+++ b/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>dnxcore50</SupportedFramework>
+      <SupportedFramework>netstandardapp1.5</SupportedFramework>
    </ProjectReference>
    <ProjectReference Include="..\src\System.Security.Cryptography.OpenSsl.builds" >
      <AdditionalProperties>FilterToOSGroup=Linux</AdditionalProperties>

--- a/src/libraries/System.Security.Cryptography.Primitives/pkg/System.Security.Cryptography.Primitives.pkgproj
+++ b/src/libraries/System.Security.Cryptography.Primitives/pkg/System.Security.Cryptography.Primitives.pkgproj
@@ -4,7 +4,7 @@
  <ItemGroup>
    <ProjectReference Include="..\ref\System.Security.Cryptography.Primitives.csproj">
-      <SupportedFramework>net46;netcore50;dnxcore50</SupportedFramework>
+      <SupportedFramework>net46;netcore50;netstandardapp1.5</SupportedFramework>
    </ProjectReference>
    <ProjectReference Include="..\src\System.Security.Cryptography.Primitives.builds" />
  </ItemGroup>

--- a/src/libraries/System.Security.Cryptography.X509Certificates/pkg/System.Security.Cryptography.X509Certificates.pkgproj
+++ b/src/libraries/System.Security.Cryptography.X509Certificates/pkg/System.Security.Cryptography.X509Certificates.pkgproj
--- a/src/libraries/System.Security.Principal.Windows/pkg/System.Security.Principal.Windows.pkgproj
+++ b/src/libraries/System.Security.Principal.Windows/pkg/System.Security.Principal.Windows.pkgproj
--- a/src/libraries/System.Security.Principal/pkg/System.Security.Principal.pkgproj
+++ b/src/libraries/System.Security.Principal/pkg/System.Security.Principal.pkgproj
--- a/src/libraries/System.ServiceProcess.ServiceController/pkg/System.ServiceProcess.ServiceController.pkgproj
+++ b/src/libraries/System.ServiceProcess.ServiceController/pkg/System.ServiceProcess.ServiceController.pkgproj
--- a/src/libraries/System.Text.Encoding.CodePages/pkg/System.Text.Encoding.CodePages.pkgproj
+++ b/src/libraries/System.Text.Encoding.CodePages/pkg/System.Text.Encoding.CodePages.pkgproj
--- a/src/libraries/System.Text.Encoding.Extensions/pkg/System.Text.Encoding.Extensions.pkgproj
+++ b/src/libraries/System.Text.Encoding.Extensions/pkg/System.Text.Encoding.Extensions.pkgproj
--- a/src/libraries/System.Text.Encoding/pkg/System.Text.Encoding.pkgproj
+++ b/src/libraries/System.Text.Encoding/pkg/System.Text.Encoding.pkgproj
--- a/src/libraries/System.Text.Encodings.Web/pkg/System.Text.Encodings.Web.pkgproj
+++ b/src/libraries/System.Text.Encodings.Web/pkg/System.Text.Encodings.Web.pkgproj
--- a/src/libraries/System.Text.RegularExpressions/pkg/System.Text.RegularExpressions.pkgproj
+++ b/src/libraries/System.Text.RegularExpressions/pkg/System.Text.RegularExpressions.pkgproj
--- a/src/libraries/System.Threading.AccessControl/pkg/System.Threading.AccessControl.pkgproj
+++ b/src/libraries/System.Threading.AccessControl/pkg/System.Threading.AccessControl.pkgproj
--- a/src/libraries/System.Threading.Overlapped/pkg/System.Threading.Overlapped.pkgproj
+++ b/src/libraries/System.Threading.Overlapped/pkg/System.Threading.Overlapped.pkgproj
--- a/src/libraries/System.Threading.Tasks.Dataflow/pkg/System.Threading.Tasks.Dataflow.pkgproj
+++ b/src/libraries/System.Threading.Tasks.Dataflow/pkg/System.Threading.Tasks.Dataflow.pkgproj
--- a/src/libraries/System.Threading.Tasks.Extensions/pkg/System.Threading.Tasks.Extensions.pkgproj
+++ b/src/libraries/System.Threading.Tasks.Extensions/pkg/System.Threading.Tasks.Extensions.pkgproj
--- a/src/libraries/System.Threading.Tasks.Parallel/pkg/System.Threading.Tasks.Parallel.pkgproj
+++ b/src/libraries/System.Threading.Tasks.Parallel/pkg/System.Threading.Tasks.Parallel.pkgproj
--- a/src/libraries/System.Threading.Tasks/pkg/System.Threading.Tasks.pkgproj
+++ b/src/libraries/System.Threading.Tasks/pkg/System.Threading.Tasks.pkgproj
--- a/src/libraries/System.Threading.Thread/pkg/System.Threading.Thread.pkgproj
+++ b/src/libraries/System.Threading.Thread/pkg/System.Threading.Thread.pkgproj
--- a/src/libraries/System.Threading.ThreadPool/pkg/System.Threading.ThreadPool.pkgproj
+++ b/src/libraries/System.Threading.ThreadPool/pkg/System.Threading.ThreadPool.pkgproj
--- a/src/libraries/System.Threading.Timer/pkg/System.Threading.Timer.pkgproj
+++ b/src/libraries/System.Threading.Timer/pkg/System.Threading.Timer.pkgproj
--- a/src/libraries/System.Threading/pkg/System.Threading.pkgproj
+++ b/src/libraries/System.Threading/pkg/System.Threading.pkgproj
--- a/src/libraries/System.Xml.ReaderWriter/pkg/System.Xml.ReaderWriter.pkgproj
+++ b/src/libraries/System.Xml.ReaderWriter/pkg/System.Xml.ReaderWriter.pkgproj
--- a/src/libraries/System.Xml.XDocument/pkg/System.Xml.XDocument.pkgproj
+++ b/src/libraries/System.Xml.XDocument/pkg/System.Xml.XDocument.pkgproj
--- a/src/libraries/System.Xml.XPath.XDocument/pkg/System.Xml.XPath.XDocument.pkgproj
+++ b/src/libraries/System.Xml.XPath.XDocument/pkg/System.Xml.XPath.XDocument.pkgproj
--- a/src/libraries/System.Xml.XPath.XmlDocument/pkg/System.Xml.XPath.XmlDocument.pkgproj
+++ b/src/libraries/System.Xml.XPath.XmlDocument/pkg/System.Xml.XPath.XmlDocument.pkgproj
--- a/src/libraries/System.Xml.XPath/pkg/System.Xml.XPath.pkgproj
+++ b/src/libraries/System.Xml.XPath/pkg/System.Xml.XPath.pkgproj
--- a/src/libraries/System.Xml.XmlDocument/pkg/System.Xml.XmlDocument.pkgproj
+++ b/src/libraries/System.Xml.XmlDocument/pkg/System.Xml.XmlDocument.pkgproj
--- a/src/libraries/System.Xml.XmlSerializer/pkg/System.Xml.XmlSerializer.pkgproj
+++ b/src/libraries/System.Xml.XmlSerializer/pkg/System.Xml.XmlSerializer.pkgproj