Target netstandard2.0

build/common.props

@@ -16,6 +16,10 @@
     <PackageReference Include="Internal.AspNetCore.Sdk" Version="$(InternalAspNetCoreSdkVersion)" PrivateAssets="All" />
   </ItemGroup>
 
+  <ItemGroup Condition="'$(TargetFrameworkIdentifier)'=='.NETFramework'">
+    <PackageReference Include="NETStandard.Library.NETFramework" Version="$(NETStandardLibraryNETFrameworkVersion)" PrivateAssets="All" />
+  </ItemGroup>
+
   <ItemGroup Condition="'$(TargetFrameworkIdentifier)'=='.NETFramework' AND '$(OutputType)'=='library'">
     <PackageReference Include="NETStandard.Library" Version="$(BundledNETStandardPackageVersion)" />
   </ItemGroup>

build/dependencies.props

@@ -1,9 +1,10 @@
 <Project>
   <PropertyGroup>
     <AspNetCoreVersion>2.0.0-*</AspNetCoreVersion>
+    <CoreFxVersion>4.4.0-*</CoreFxVersion>
     <InternalAspNetCoreSdkVersion>2.1.0-*</InternalAspNetCoreSdkVersion>
     <MoqVersion>4.7.1</MoqVersion>
-    <NETStandardImplicitPackageVersion>$(BundledNETStandardPackageVersion)</NETStandardImplicitPackageVersion>
+    <NETStandardLibraryNETFrameworkVersion>2.0.0-*</NETStandardLibraryNETFrameworkVersion>
     <TestSdkVersion>15.3.0-*</TestSdkVersion>
     <XunitVersion>2.3.0-beta2-*</XunitVersion>
   </PropertyGroup>

samples/DatabaseErrorPageSample/DatabaseErrorPageSample.csproj

@@ -3,7 +3,7 @@
   <Import Project="..\..\build\dependencies.props" />
 
   <PropertyGroup>
-    <TargetFramework>netcoreapp2.0</TargetFramework>
+    <TargetFrameworks>net461;netcoreapp2.0</TargetFrameworks>
   </PropertyGroup>
 
   <ItemGroup>
@@ -17,4 +17,8 @@
     <PackageReference Include="Microsoft.EntityFrameworkCore.SqlServer" Version="$(AspNetCoreVersion)" />
   </ItemGroup>
 
+  <ItemGroup Condition="'$(TargetFrameworkIdentifier)'=='.NETFramework'">
+    <PackageReference Include="NETStandard.Library.NETFramework" Version="$(NETStandardLibraryNETFrameworkVersion)" />
+  </ItemGroup>
+
 </Project>

samples/DeveloperExceptionPageSample/DeveloperExceptionPageSample.csproj

@@ -3,7 +3,7 @@
   <Import Project="..\..\build\dependencies.props" />
 
   <PropertyGroup>
-    <TargetFramework>netcoreapp2.0</TargetFramework>
+    <TargetFrameworks>net461;netcoreapp2.0</TargetFrameworks>
   </PropertyGroup>
 
   <ItemGroup>
@@ -15,4 +15,8 @@
     <PackageReference Include="Microsoft.AspNetCore.Server.Kestrel" Version="$(AspNetCoreVersion)" />
   </ItemGroup>
 
+  <ItemGroup Condition="'$(TargetFrameworkIdentifier)'=='.NETFramework'">
+    <PackageReference Include="NETStandard.Library.NETFramework" Version="$(NETStandardLibraryNETFrameworkVersion)" />
+  </ItemGroup>
+
 </Project>

samples/ElmPageSample/ElmPageSample.csproj

@@ -1,9 +1,9 @@
-<Project Sdk="Microsoft.NET.Sdk.Web">
+<Project Sdk="Microsoft.NET.Sdk.Web">
 
   <Import Project="..\..\build\dependencies.props" />
 
   <PropertyGroup>
-    <TargetFramework>netcoreapp2.0</TargetFramework>
+    <TargetFrameworks>net461;netcoreapp2.0</TargetFrameworks>
   </PropertyGroup>
 
   <ItemGroup>
@@ -15,4 +15,7 @@
     <PackageReference Include="Microsoft.AspNetCore.Server.Kestrel" Version="$(AspNetCoreVersion)" />
   </ItemGroup>
 
+  <ItemGroup Condition="'$(TargetFrameworkIdentifier)'=='.NETFramework'">
+    <PackageReference Include="NETStandard.Library.NETFramework" Version="$(NETStandardLibraryNETFrameworkVersion)" />
+  </ItemGroup>
 </Project>

samples/ExceptionHandlerSample/ExceptionHandlerSample.csproj

@@ -3,7 +3,7 @@
   <Import Project="..\..\build\dependencies.props" />
 
   <PropertyGroup>
-    <TargetFramework>netcoreapp2.0</TargetFramework>
+    <TargetFrameworks>net461;netcoreapp2.0</TargetFrameworks>
   </PropertyGroup>
 
   <ItemGroup>
@@ -16,4 +16,8 @@
     <PackageReference Include="Microsoft.AspNetCore.StaticFiles" Version="$(AspNetCoreVersion)" />
   </ItemGroup>
 
+  <ItemGroup Condition="'$(TargetFrameworkIdentifier)'=='.NETFramework'">
+    <PackageReference Include="NETStandard.Library.NETFramework" Version="$(NETStandardLibraryNETFrameworkVersion)" />
+  </ItemGroup>
+
 </Project>

samples/MiddlewareAnalysisSample/MiddlewareAnalysisSample.csproj

@@ -3,7 +3,7 @@
   <Import Project="..\..\build\dependencies.props" />
 
   <PropertyGroup>
-    <TargetFramework>netcoreapp2.0</TargetFramework>
+    <TargetFrameworks>net461;netcoreapp2.0</TargetFrameworks>
   </PropertyGroup>
 
   <ItemGroup>
@@ -18,4 +18,8 @@
     <PackageReference Include="Microsoft.Extensions.Logging.Console" Version="$(AspNetCoreVersion)" />
   </ItemGroup>
 
+  <ItemGroup Condition="'$(TargetFrameworkIdentifier)'=='.NETFramework'">
+    <PackageReference Include="NETStandard.Library.NETFramework" Version="$(NETStandardLibraryNETFrameworkVersion)" />
+  </ItemGroup>
+
 </Project>

samples/StatusCodePagesSample/StatusCodePagesSample.csproj

@@ -3,7 +3,7 @@
   <Import Project="..\..\build\dependencies.props" />
 
   <PropertyGroup>
-    <TargetFramework>netcoreapp2.0</TargetFramework>
+    <TargetFrameworks>net461;netcoreapp2.0</TargetFrameworks>
   </PropertyGroup>
 
   <ItemGroup>
@@ -15,4 +15,8 @@
     <PackageReference Include="Microsoft.AspNetCore.Server.Kestrel" Version="$(AspNetCoreVersion)" />
   </ItemGroup>
 
+  <ItemGroup Condition="'$(TargetFrameworkIdentifier)'=='.NETFramework'">
+    <PackageReference Include="NETStandard.Library.NETFramework" Version="$(NETStandardLibraryNETFrameworkVersion)" />
+  </ItemGroup>
+
 </Project>

samples/WelcomePageSample/WelcomePageSample.csproj

@@ -3,7 +3,7 @@
   <Import Project="..\..\build\dependencies.props" />
 
   <PropertyGroup>
-    <TargetFramework>netcoreapp2.0</TargetFramework>
+    <TargetFrameworks>net461;netcoreapp2.0</TargetFrameworks>
   </PropertyGroup>
 
   <ItemGroup>
@@ -15,4 +15,8 @@
     <PackageReference Include="Microsoft.AspNetCore.Server.Kestrel" Version="$(AspNetCoreVersion)" />
   </ItemGroup>
 
+  <ItemGroup Condition="'$(TargetFrameworkIdentifier)'=='.NETFramework'">
+    <PackageReference Include="NETStandard.Library.NETFramework" Version="$(NETStandardLibraryNETFrameworkVersion)" />
+  </ItemGroup>
+
 </Project>

src/Microsoft.AspNetCore.Diagnostics.Abstractions/Microsoft.AspNetCore.Diagnostics.Abstractions.csproj

@@ -4,7 +4,7 @@
 
   <PropertyGroup>
     <Description>ASP.NET Core diagnostics middleware abstractions and feature interface definitions.</Description>
-    <TargetFramework>netcoreapp2.0</TargetFramework>
+    <TargetFramework>netstandard2.0</TargetFramework>
     <NoWarn>$(NoWarn);CS1591</NoWarn>
     <GenerateDocumentationFile>true</GenerateDocumentationFile>
     <PackageTags>aspnetcore;diagnostics</PackageTags>

src/Microsoft.AspNetCore.Diagnostics.Elm/Microsoft.AspNetCore.Diagnostics.Elm.csproj

@@ -5,7 +5,7 @@
   <PropertyGroup>
     <Description>ASP.NET Core Error Logging Middleware (ELM) to capture and display request logs.</Description>
     <VersionPrefix>0.3.0</VersionPrefix>
-    <TargetFramework>netcoreapp2.0</TargetFramework>
+    <TargetFramework>netstandard2.0</TargetFramework>
     <NoWarn>$(NoWarn);CS1591</NoWarn>
     <GenerateDocumentationFile>true</GenerateDocumentationFile>
     <PackageTags>aspnetcore;diagnostics</PackageTags>

src/Microsoft.AspNetCore.Diagnostics.EntityFrameworkCore/Microsoft.AspNetCore.Diagnostics.EntityFrameworkCore.csproj

@@ -4,7 +4,7 @@
 
   <PropertyGroup>
     <Description>ASP.NET Core middleware for Entity Framework Core error pages. Use this middleware to detect and diagnose errors with Entity Framework Core migrations.</Description>
-    <TargetFramework>netcoreapp2.0</TargetFramework>
+    <TargetFrameworks>netstandard2.0</TargetFrameworks>
     <NoWarn>$(NoWarn);CS1591</NoWarn>
     <GenerateDocumentationFile>true</GenerateDocumentationFile>
     <PackageTags>aspnetcore;diagnostics;entityframeworkcore</PackageTags>
@@ -17,7 +17,7 @@
   <ItemGroup>
     <PackageReference Include="Microsoft.AspNetCore.Http.Abstractions" Version="$(AspNetCoreVersion)" />
     <PackageReference Include="Microsoft.EntityFrameworkCore.Relational" Version="$(AspNetCoreVersion)" />
-    <PackageReference Include="Microsoft.Extensions.RazorViews.Sources" Version="$(AspNetCoreVersion)" PrivateAssets="All"/>
+    <PackageReference Include="Microsoft.Extensions.RazorViews.Sources" Version="$(AspNetCoreVersion)" PrivateAssets="All" />
     <DotNetCliToolReference Include="RazorPageGenerator" Version="$(AspNetCoreVersion)" />
   </ItemGroup>
 

src/Microsoft.AspNetCore.Diagnostics/DeveloperExceptionPage/DeveloperExceptionPageMiddleware.cs

@@ -3,6 +3,7 @@
 
 using System;
 using System.Collections.Generic;
+using System.Diagnostics;
 using System.Linq;
 using System.Threading.Tasks;
 using Microsoft.AspNetCore.Builder;
@@ -25,7 +26,7 @@ namespace Microsoft.AspNetCore.Diagnostics
         private readonly DeveloperExceptionPageOptions _options;
         private readonly ILogger _logger;
         private readonly IFileProvider _fileProvider;
-        private readonly System.Diagnostics.DiagnosticSource _diagnosticSource;
+        private readonly DiagnosticSource _diagnosticSource;
         private readonly ExceptionDetailsProvider _exceptionDetailsProvider;
 
         /// <summary>

src/Microsoft.AspNetCore.Diagnostics/Microsoft.AspNetCore.Diagnostics.csproj

@@ -4,7 +4,7 @@
 
   <PropertyGroup>
     <Description>ASP.NET Core middleware for exception handling, exception display pages, and diagnostics information. Includes developer exception page middleware, exception handler middleware, runtime info middleware, status code page middleware, and welcome page middleware</Description>
-    <TargetFramework>netcoreapp2.0</TargetFramework>
+    <TargetFramework>netstandard2.0</TargetFramework>
     <NoWarn>$(NoWarn);CS1591</NoWarn>
     <GenerateDocumentationFile>true</GenerateDocumentationFile>
     <PackageTags>aspnetcore;diagnostics</PackageTags>
@@ -29,6 +29,7 @@
     <PackageReference Include="Microsoft.Extensions.StackTrace.Sources" Version="$(AspNetCoreVersion)" PrivateAssets="All"/>
     <PackageReference Include="Microsoft.Extensions.TaskCache.Sources" Version="$(AspNetCoreVersion)" PrivateAssets="All"/>
     <PackageReference Include="Microsoft.Extensions.TypeNameHelper.Sources" Version="$(AspNetCoreVersion)" PrivateAssets="All"/>
+    <PackageReference Include="System.Diagnostics.DiagnosticSource" Version="$(CoreFxVersion)" />
     <DotNetCliToolReference Include="RazorPageGenerator" Version="$(AspNetCoreVersion)" />
   </ItemGroup>
 

src/Microsoft.AspNetCore.MiddlewareAnalysis/Microsoft.AspNetCore.MiddlewareAnalysis.csproj

@@ -4,7 +4,7 @@
 
   <PropertyGroup>
     <Description>ASP.NET Core middleware for analyzing middleware in the request pipeline with System.Diagnostics.DiagnosticSource.</Description>
-    <TargetFramework>netcoreapp2.0</TargetFramework>
+    <TargetFramework>netstandard2.0</TargetFramework>
     <NoWarn>$(NoWarn);CS1591</NoWarn>
     <GenerateDocumentationFile>true</GenerateDocumentationFile>
     <PackageTags>aspnetcore;diagnostics</PackageTags>
@@ -13,6 +13,7 @@
   <ItemGroup>
     <PackageReference Include="Microsoft.AspNetCore.Hosting.Abstractions" Version="$(AspNetCoreVersion)" />
     <PackageReference Include="Microsoft.Extensions.DependencyInjection.Abstractions" Version="$(AspNetCoreVersion)" />
+    <PackageReference Include="System.Diagnostics.DiagnosticSource" Version="$(CoreFxVersion)" />
   </ItemGroup>
 
 </Project>

test/Diagnostics.EFCore.FunctionalTests/Diagnostics.EFCore.FunctionalTests.csproj

@@ -3,7 +3,8 @@
   <Import Project="..\..\build\common.props" />
 
   <PropertyGroup>
-    <TargetFramework>netcoreapp2.0</TargetFramework>
+    <TargetFrameworks>netcoreapp2.0;net461</TargetFrameworks>
+    <TargetFrameworks Condition=" '$(OS)' != 'Windows_NT' ">netcoreapp2.0</TargetFrameworks>
     <!-- Mitigation for long path issues -->
     <AssemblyName>Diagnostics.EFCore.FunctionalTests</AssemblyName>
   </PropertyGroup>

test/Diagnostics.FunctionalTests/Diagnostics.FunctionalTests.csproj

@@ -3,7 +3,8 @@
   <Import Project="..\..\build\common.props" />
 
   <PropertyGroup>
-    <TargetFramework>netcoreapp2.0</TargetFramework>
+    <TargetFrameworks>netcoreapp2.0;net461</TargetFrameworks>
+    <TargetFrameworks Condition=" '$(OS)' != 'Windows_NT' ">netcoreapp2.0</TargetFrameworks>
     <SignAssembly>false</SignAssembly>
     <PublicSign>false</PublicSign>
     <!-- Mitigation for long path issues -->

test/Microsoft.AspNetCore.Diagnostics.EntityFrameworkCore.Tests/Microsoft.AspNetCore.Diagnostics.EntityFrameworkCore.Tests.csproj

@@ -3,7 +3,8 @@
   <Import Project="..\..\build\common.props" />
 
   <PropertyGroup>
-    <TargetFramework>netcoreapp2.0</TargetFramework>
+    <TargetFrameworks>netcoreapp2.0;net461</TargetFrameworks>
+    <TargetFrameworks Condition=" '$(OS)' != 'Windows_NT' ">netcoreapp2.0</TargetFrameworks>
   </PropertyGroup>
 
   <ItemGroup>

test/Microsoft.AspNetCore.Diagnostics.Tests/Microsoft.AspNetCore.Diagnostics.Tests.csproj

@@ -3,7 +3,8 @@
   <Import Project="..\..\build\common.props" />
 
   <PropertyGroup>
-    <TargetFramework>netcoreapp2.0</TargetFramework>
+    <TargetFrameworks>netcoreapp2.0;net461</TargetFrameworks>
+    <TargetFrameworks Condition=" '$(OS)' != 'Windows_NT' ">netcoreapp2.0</TargetFrameworks>
   </PropertyGroup>
 
   <ItemGroup>

test/Microsoft.AspNetCore.MiddlewareAnalysis.Tests/Microsoft.AspNetCore.MiddlewareAnalysis.Tests.csproj

@@ -3,7 +3,8 @@
   <Import Project="..\..\build\common.props" />
 
   <PropertyGroup>
-    <TargetFramework>netcoreapp2.0</TargetFramework>
+    <TargetFrameworks>netcoreapp2.0;net461</TargetFrameworks>
+    <TargetFrameworks Condition=" '$(OS)' != 'Windows_NT' ">netcoreapp2.0</TargetFrameworks>
   </PropertyGroup>
 
   <ItemGroup>